/* 會員區共用樣式 · 台灣雲商書院 */
:root{
  --paper:#f4ebd9;
  --paper-2:#ebdfc4;
  --ink:#1a1410;
  --ink-soft:#3a2e24;
  --vermilion:#d94a2b;
  --jade:#0f7a5f;
  --gold:#e8b842;
  --indigo:#1e3a8a;
  --plum:#7a2e4a;
  --cyan:#3aa6b9;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans TC",-apple-system,sans-serif;
  background:var(--paper);
  color:var(--ink);
  min-height:100vh;
  line-height:1.6;
}
body::before{
  content:"";
  position:fixed;inset:0;pointer-events:none;z-index:1;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.06'/></svg>");
  mix-blend-mode:multiply;
}
a{color:inherit;text-decoration:none}

/* ====== TOP BAR ====== */
.topbar{
  padding:18px 40px;
  background:rgba(244,235,217,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(26,20,16,.1);
  display:flex;justify-content:space-between;align-items:center;
  position:sticky;top:0;z-index:50;
}
.topbar .brand{display:flex;align-items:center;gap:12px}
.topbar .mark{
  width:38px;height:38px;background:var(--vermilion);color:var(--paper);
  font-family:"Noto Serif TC",serif;font-weight:900;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  border-radius:6px;transform:rotate(-3deg);
  box-shadow:2px 2px 0 var(--ink);
}
.topbar .brand-txt{line-height:1.1}
.topbar .brand-txt .zh{font-family:"Noto Serif TC",serif;font-weight:700;letter-spacing:2px;font-size:16px}
.topbar .brand-txt .en{font-family:"Fraunces",serif;font-style:italic;font-size:10px;color:var(--ink-soft);letter-spacing:1px}
.topbar-nav{display:flex;gap:12px;align-items:center}
.topbar a.link{padding:8px 14px;font-size:13px;font-weight:500;transition:color .2s}
.topbar a.link:hover{color:var(--vermilion)}
.topbar a.btn-outline{padding:8px 18px;border:1.5px solid var(--ink);border-radius:99px;font-size:13px}
.topbar a.btn-outline:hover{background:var(--ink);color:var(--paper)}
.topbar a.btn-solid{padding:8px 18px;background:var(--ink);color:var(--paper);border-radius:99px;font-size:13px}
.topbar a.btn-solid:hover{background:var(--vermilion)}

/* ====== AUTH CARDS (signup / login / forgot) ====== */
.auth-wrap{
  min-height:calc(100vh - 74px);
  display:flex;align-items:center;justify-content:center;
  padding:40px 20px;position:relative;z-index:2;
}
.auth-card{
  max-width:480px;width:100%;
  background:var(--paper);
  border:1.5px solid var(--ink);
  border-radius:16px;
  padding:44px 40px 36px;
  box-shadow:8px 8px 0 var(--ink);
  position:relative;
}
.auth-card::before{
  content:"";position:absolute;top:-14px;left:32px;
  background:var(--vermilion);color:var(--paper);
  font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:3px;
  padding:5px 12px;border-radius:99px;
}
.auth-card.signup::before{content:"NEW MEMBER"}
.auth-card.login::before{content:"WELCOME BACK"}
.auth-card.forgot::before{content:"RESET"}
.auth-card h1{
  font-family:"Noto Serif TC",serif;font-weight:900;
  font-size:32px;line-height:1.1;margin-bottom:8px;
}
.auth-card .sub{color:var(--ink-soft);font-size:14px;margin-bottom:28px;line-height:1.6}
.field{margin-bottom:16px;display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;font-weight:500;color:var(--ink-soft);letter-spacing:1px}
.field label .req{color:var(--vermilion);margin-left:2px}
.field input,.field select,.field textarea{
  padding:12px 14px;
  border:1.5px solid rgba(26,20,16,.25);
  background:var(--paper);color:var(--ink);
  border-radius:8px;font-family:inherit;font-size:14px;
  transition:border-color .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--vermilion);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.field-row .field{margin-bottom:0}
.btn-submit{
  width:100%;padding:14px;margin-top:6px;
  background:var(--ink);color:var(--paper);border:none;border-radius:99px;
  font-family:inherit;font-size:15px;font-weight:500;cursor:pointer;
  transition:all .3s;
}
.btn-submit:hover:not(:disabled){background:var(--vermilion);transform:translateY(-2px)}
.btn-submit:disabled{opacity:.5;cursor:not-allowed}
.err-msg{
  background:rgba(217,74,43,.1);color:var(--vermilion);
  padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px;
  display:none;
}
.err-msg.on{display:block}
.ok-msg{
  background:rgba(15,122,95,.1);color:var(--jade);
  padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px;
  display:none;
}
.ok-msg.on{display:block}
.auth-foot{
  text-align:center;font-size:13px;color:var(--ink-soft);
  margin-top:20px;padding-top:20px;border-top:1px dashed rgba(26,20,16,.2);
}
.auth-foot a{color:var(--vermilion);font-weight:500}
.auth-foot a:hover{text-decoration:underline}

/* ====== DASHBOARD ====== */
.dash-wrap{
  padding:40px;max-width:1240px;margin:0 auto;position:relative;z-index:2;
}
@media(max-width:960px){ .dash-wrap{padding:24px 20px} }

.dash-hero{
  background:var(--ink);color:var(--paper);
  border-radius:20px;padding:40px 44px;
  position:relative;overflow:hidden;
  margin-bottom:32px;
}
.dash-hero::before{
  content:"雲";
  position:absolute;top:-30px;right:-20px;
  font-family:"Noto Serif TC",serif;font-weight:900;font-size:20rem;
  color:rgba(244,235,217,.04);line-height:1;pointer-events:none;
}
.dash-hero-inner{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.hero-hello{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:3px;color:var(--gold);margin-bottom:14px}
.hero-name{font-family:"Noto Serif TC",serif;font-weight:900;font-size:44px;line-height:1;margin-bottom:14px}
.hero-tier-row{display:flex;align-items:center;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.tier-pill{
  padding:8px 18px;border-radius:99px;background:var(--vermilion);color:var(--paper);
  font-family:"Noto Serif TC",serif;font-weight:700;font-size:14px;letter-spacing:1px;
  display:inline-flex;align-items:center;gap:8px;
}
.tier-pill.freshman{background:#5a5147}
.tier-pill.bachelor{background:var(--jade)}
.tier-pill.master{background:var(--indigo)}
.tier-pill.fellow{background:var(--gold);color:var(--ink)}
.member-since{font-family:"JetBrains Mono",monospace;font-size:11px;color:rgba(244,235,217,.5);letter-spacing:1px}
.hero-progress .label{
  font-family:"JetBrains Mono",monospace;font-size:11px;
  color:rgba(244,235,217,.6);letter-spacing:2px;margin-bottom:8px;
}
.progress-bar{
  height:10px;background:rgba(244,235,217,.12);border-radius:99px;overflow:hidden;
  margin-bottom:8px;
}
.progress-fill{
  height:100%;background:linear-gradient(90deg,var(--gold),var(--vermilion));
  border-radius:99px;transition:width .6s;
}
.hero-progress .info{font-size:12px;color:rgba(244,235,217,.7)}

.hero-points-box{
  background:rgba(244,235,217,.08);
  border:1px solid rgba(244,235,217,.15);
  border-radius:14px;padding:24px;
}
.hero-points-box .k{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--gold);letter-spacing:3px;margin-bottom:8px}
.hero-points-box .v{font-family:"Noto Serif TC",serif;font-weight:900;font-size:56px;line-height:1;color:var(--paper)}
.hero-points-box .u{font-size:12px;color:rgba(244,235,217,.5);margin-top:4px}

/* ====== KPI GRID ====== */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}
.kpi{
  background:#fff;border:1.5px solid var(--ink);border-radius:14px;
  padding:22px 24px;transition:transform .2s,box-shadow .2s;
}
.kpi:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--ink)}
.kpi .icon{
  width:38px;height:38px;background:var(--paper-2);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  border-radius:10px;margin-bottom:14px;
}
.kpi:nth-child(1) .icon{background:rgba(217,74,43,.15);color:var(--vermilion)}
.kpi:nth-child(2) .icon{background:rgba(15,122,95,.15);color:var(--jade)}
.kpi:nth-child(3) .icon{background:rgba(30,58,138,.15);color:var(--indigo)}
.kpi:nth-child(4) .icon{background:rgba(232,184,66,.25);color:#8a6a1e}
.kpi .n{font-family:"Noto Serif TC",serif;font-weight:900;font-size:28px;line-height:1}
.kpi .l{font-size:12px;color:var(--ink-soft);letter-spacing:1px;margin-top:6px}

/* ====== 2-col layout ====== */
.dash-cols{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;margin-bottom:32px}
.panel{
  background:#fff;border:1.5px solid var(--ink);border-radius:14px;
  overflow:hidden;
}
.panel-head{
  padding:20px 24px;
  border-bottom:1.5px solid var(--ink);
  display:flex;justify-content:space-between;align-items:center;
  background:var(--paper-2);
}
.panel-head h3{font-family:"Noto Serif TC",serif;font-weight:900;font-size:20px}
.panel-head .en{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--ink-soft);letter-spacing:2px}
.panel-body{padding:14px 0;max-height:420px;overflow-y:auto}

.log-item{
  padding:14px 24px;border-bottom:1px dashed rgba(26,20,16,.1);
  display:flex;justify-content:space-between;align-items:start;gap:14px;
}
.log-item:last-child{border-bottom:none}
.log-item .left{flex:1;min-width:0}
.log-item .r{font-family:"JetBrains Mono",monospace;font-weight:700;font-size:15px;white-space:nowrap}
.log-item .r.plus{color:var(--jade)}
.log-item .r.minus{color:var(--vermilion)}
.log-item .desc{font-size:14px;color:var(--ink);margin-bottom:4px}
.log-item .meta{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--ink-soft)}
.log-empty{padding:40px 24px;text-align:center;color:var(--ink-soft);font-size:13px}

.list-item{
  padding:14px 24px;border-bottom:1px dashed rgba(26,20,16,.1);
}
.list-item:last-child{border-bottom:none}
.list-item .title{font-family:"Noto Serif TC",serif;font-weight:700;font-size:15px;margin-bottom:4px}
.list-item .meta{font-size:12px;color:var(--ink-soft)}
.list-item .badge{
  display:inline-block;padding:2px 10px;border-radius:99px;font-size:11px;
  background:rgba(15,122,95,.15);color:var(--jade);margin-left:6px;letter-spacing:1px;
}
.list-item .badge.pending{background:rgba(232,184,66,.25);color:#8a6a1e}

/* ====== Referrals section ====== */
.ref-panel{
  background:var(--gold);color:var(--ink);
  border:1.5px solid var(--ink);border-radius:14px;
  padding:24px;margin-bottom:32px;
  display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;
}
.ref-panel h4{font-family:"Noto Serif TC",serif;font-weight:900;font-size:22px;margin-bottom:6px}
.ref-panel p{font-size:13px;line-height:1.6}
.ref-code{
  background:var(--ink);color:var(--gold);
  padding:16px 24px;border-radius:12px;
  font-family:"JetBrains Mono",monospace;font-weight:700;font-size:22px;letter-spacing:4px;
  cursor:pointer;transition:all .2s;
}
.ref-code:hover{transform:scale(1.02)}
.ref-code small{display:block;font-size:9px;letter-spacing:2px;color:rgba(232,184,66,.6);margin-top:4px}

@media(max-width:960px){
  .dash-hero{padding:28px 24px}
  .dash-hero-inner{grid-template-columns:1fr;gap:24px}
  .hero-name{font-size:32px}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .dash-cols{grid-template-columns:1fr}
  .ref-panel{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .auth-card{padding:32px 24px}
}

/* ================= COURSES ================= */
.courses-hero{
  padding:60px 40px 40px;max-width:1240px;margin:0 auto;
  position:relative;z-index:2;
}
.courses-hero .kicker{
  font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--vermilion);
  letter-spacing:4px;margin-bottom:14px;
}
.courses-hero h1{
  font-family:"Noto Serif TC",serif;font-weight:900;font-size:52px;line-height:1;margin-bottom:16px;
}
.courses-hero h1 em{font-family:"Fraunces",serif;font-style:italic;font-weight:400;color:var(--vermilion)}
.courses-hero .sub{font-size:16px;color:var(--ink-soft);max-width:640px;line-height:1.7}

.cat-tabs{
  display:flex;gap:10px;padding:0 40px;max-width:1240px;margin:0 auto 24px;
  position:relative;z-index:2;flex-wrap:wrap;
}
.cat-tab{
  padding:10px 20px;background:transparent;border:1.5px solid var(--ink);
  border-radius:99px;font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;
  color:var(--ink);transition:all .2s;
}
.cat-tab:hover{background:var(--ink);color:var(--paper)}
.cat-tab.active{background:var(--vermilion);border-color:var(--vermilion);color:var(--paper)}
.cat-tab .n{
  display:inline-block;padding:1px 8px;margin-left:8px;
  background:rgba(26,20,16,.1);border-radius:99px;font-size:11px;font-family:"JetBrains Mono",monospace;
}
.cat-tab.active .n{background:rgba(244,235,217,.25)}

.course-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  padding:0 40px 60px;max-width:1240px;margin:0 auto;position:relative;z-index:2;
}
.course-card{
  background:#fff;border:1.5px solid var(--ink);border-radius:16px;
  padding:24px 24px 22px;
  transition:transform .25s,box-shadow .25s;
  cursor:pointer;position:relative;overflow:hidden;
  display:flex;flex-direction:column;
}
.course-card:hover{transform:translate(-4px,-4px);box-shadow:8px 8px 0 var(--ink)}
.course-card .cat-badge{
  display:inline-block;padding:3px 12px;border-radius:99px;
  font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:2px;
  margin-bottom:14px;
}
.course-card[data-cat="ai_instructor"] .cat-badge{background:rgba(217,74,43,.15);color:var(--vermilion)}
.course-card[data-cat="crossborder"] .cat-badge{background:rgba(30,58,138,.15);color:var(--indigo)}
.course-card[data-cat="marketing"] .cat-badge{background:rgba(15,122,95,.15);color:var(--jade)}
.course-card[data-cat="member_event"] .cat-badge{background:rgba(232,184,66,.25);color:#8a6a1e}

.course-card h3{
  font-family:"Noto Serif TC",serif;font-weight:900;font-size:22px;line-height:1.25;
  margin-bottom:8px;
}
.course-card .instructor{font-size:13px;color:var(--ink-soft);margin-bottom:14px}
.course-card .instructor b{color:var(--ink);font-weight:700}
.course-card .summary{
  font-size:13px;color:var(--ink-soft);line-height:1.6;
  margin-bottom:18px;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.course-meta-row{
  display:flex;gap:12px;padding:12px 0;
  border-top:1px dashed rgba(26,20,16,.15);
  font-size:12px;color:var(--ink-soft);flex-wrap:wrap;
}
.course-meta-row .mi{display:flex;align-items:center;gap:5px}
.course-meta-row .mi b{font-family:"JetBrains Mono",monospace;color:var(--ink);font-size:13px}
.course-cta-row{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:14px;border-top:1.5px solid var(--ink);
}
.course-price{
  font-family:"Noto Serif TC",serif;font-weight:900;font-size:24px;color:var(--vermilion);
}
.course-price.free{color:var(--jade)}
.course-cta{
  padding:7px 16px;background:var(--ink);color:var(--paper);
  border-radius:99px;font-size:12px;font-weight:500;
}
.course-card:hover .course-cta{background:var(--vermilion)}

.course-status-pill{
  position:absolute;top:14px;right:14px;
  padding:3px 10px;border-radius:99px;
  font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:1px;
}
.course-status-pill.closed{background:var(--ink);color:var(--paper)}
.course-status-pill.ended{background:rgba(26,20,16,.1);color:var(--ink-soft)}
.course-status-pill.full{background:var(--vermilion);color:var(--paper)}

.empty-state{
  text-align:center;padding:80px 20px;color:var(--ink-soft);
  grid-column:1 / -1;
}
.empty-state h4{font-family:"Noto Serif TC",serif;font-size:22px;color:var(--ink);margin-bottom:8px}

/* ================= COURSE DETAIL ================= */
.detail-wrap{
  max-width:1080px;margin:0 auto;padding:40px 40px 60px;
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:start;
}
.detail-main .breadcrumb{
  font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--ink-soft);
  letter-spacing:2px;margin-bottom:18px;
}
.detail-main .breadcrumb a{color:var(--vermilion)}
.detail-main .cat-badge-big{
  display:inline-block;padding:4px 14px;border-radius:99px;
  font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:2px;
  margin-bottom:16px;background:var(--ink);color:var(--paper);
}
.detail-main h1{
  font-family:"Noto Serif TC",serif;font-weight:900;font-size:42px;line-height:1.15;
  margin-bottom:16px;
}
.detail-main .lead{font-size:16px;color:var(--ink-soft);line-height:1.7;margin-bottom:28px}

.detail-section{margin-bottom:32px}
.detail-section h4{
  font-family:"Noto Serif TC",serif;font-weight:900;font-size:18px;margin-bottom:12px;
  padding-left:12px;border-left:4px solid var(--vermilion);
}
.detail-section .outline-text{
  font-size:14px;line-height:1.9;color:var(--ink-soft);white-space:pre-line;
  background:#fff;border:1.5px solid var(--ink);border-radius:12px;padding:20px 24px;
}
.detail-meta-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;
  background:#fff;border:1.5px solid var(--ink);border-radius:12px;padding:20px 24px;
}
.detail-meta-grid .mi .k{
  font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--ink-soft);
  letter-spacing:2px;margin-bottom:4px;
}
.detail-meta-grid .mi .v{font-size:14px;color:var(--ink);font-weight:500}

/* Sticky booking card */
.book-card{
  position:sticky;top:100px;
  background:var(--ink);color:var(--paper);
  border-radius:16px;padding:30px 28px;
  border:1.5px solid var(--ink);
  box-shadow:8px 8px 0 var(--vermilion);
}
.book-card .price-block{margin-bottom:20px;padding-bottom:20px;border-bottom:1px dashed rgba(244,235,217,.2)}
.book-card .price-label{
  font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--gold);
  letter-spacing:3px;margin-bottom:6px;
}
.book-card .price-value{font-family:"Noto Serif TC",serif;font-weight:900;font-size:44px;line-height:1}
.book-card .price-value.free{color:var(--jade)}
.book-card .price-note{font-size:12px;color:rgba(244,235,217,.6);margin-top:6px}

.book-card .b-meta{margin-bottom:18px}
.book-card .b-meta .row{
  display:flex;justify-content:space-between;padding:9px 0;
  font-size:13px;border-bottom:1px dashed rgba(244,235,217,.12);
}
.book-card .b-meta .row:last-child{border-bottom:none}
.book-card .b-meta .k{color:rgba(244,235,217,.6)}
.book-card .b-meta .v{color:var(--paper);font-weight:500}

.book-card .btn-enroll{
  width:100%;padding:14px;background:var(--vermilion);color:var(--paper);
  border:none;border-radius:99px;font-family:inherit;font-size:15px;font-weight:500;
  cursor:pointer;transition:all .25s;margin-top:6px;
}
.book-card .btn-enroll:hover:not(:disabled){background:var(--gold);color:var(--ink);transform:translateY(-2px)}
.book-card .btn-enroll:disabled{opacity:.5;cursor:not-allowed}
.book-card .btn-enroll.ghost{background:transparent;border:1.5px solid var(--paper)}
.book-card .btn-enroll.ghost:hover{background:var(--paper);color:var(--ink)}
.book-card .note{
  font-size:12px;color:rgba(244,235,217,.55);margin-top:12px;line-height:1.6;text-align:center;
}
.book-card .note a{color:var(--gold)}

.ticket-panel{
  background:var(--gold);color:var(--ink);
  border-radius:14px;padding:22px 24px;margin-top:18px;
  border:1.5px solid var(--ink);
}
.ticket-panel h5{font-family:"Noto Serif TC",serif;font-weight:900;font-size:16px;margin-bottom:8px}
.ticket-panel .ticket-code{
  background:var(--ink);color:var(--gold);
  padding:14px 18px;border-radius:10px;
  font-family:"JetBrains Mono",monospace;font-weight:700;font-size:20px;letter-spacing:4px;
  text-align:center;margin:10px 0;
}
.ticket-panel .status-row{font-size:12px;display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.ticket-panel .status-row .pill{padding:3px 10px;border-radius:99px;background:var(--ink);color:var(--gold);font-size:11px;letter-spacing:1px}

/* my-enrollments in /me.html */
.enroll-list .enroll-item{
  padding:16px 24px;border-bottom:1px dashed rgba(26,20,16,.1);
  display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;
}
.enroll-list .enroll-item:last-child{border-bottom:none}
.enroll-list .title{font-family:"Noto Serif TC",serif;font-weight:700;font-size:15px;margin-bottom:3px}
.enroll-list .meta{font-size:12px;color:var(--ink-soft)}
.enroll-list .meta .ticket{font-family:"JetBrains Mono",monospace;font-weight:700;color:var(--vermilion);letter-spacing:2px}
.enroll-list .badge{padding:3px 10px;border-radius:99px;font-size:11px;font-family:"JetBrains Mono",monospace;letter-spacing:1px}
.enroll-list .badge.pending{background:rgba(232,184,66,.25);color:#8a6a1e}
.enroll-list .badge.paid{background:rgba(30,58,138,.15);color:var(--indigo)}
.enroll-list .badge.checked_in{background:rgba(15,122,95,.15);color:var(--jade)}
.enroll-list .badge.cancelled{background:rgba(26,20,16,.1);color:var(--ink-soft)}

@media(max-width:960px){
  .courses-hero{padding:40px 20px 24px}
  .courses-hero h1{font-size:36px}
  .cat-tabs{padding:0 20px}
  .course-grid{grid-template-columns:1fr;padding:0 20px 40px}
  .detail-wrap{grid-template-columns:1fr;padding:24px 20px}
  .detail-main h1{font-size:30px}
  .book-card{position:static}
  .detail-meta-grid{grid-template-columns:1fr}
}

/* ===================== 商城 SHOP ===================== */
.shop-hero{
  padding:64px 40px 40px;max-width:1400px;margin:0 auto;
  position:relative;
}
.shop-hero .en{font-family:"Fraunces",serif;font-style:italic;font-size:14px;letter-spacing:6px;color:var(--vermilion);text-transform:uppercase}
.shop-hero h1{font-family:"Noto Serif TC",serif;font-weight:900;font-size:56px;line-height:1.1;color:var(--ink);margin-top:12px}
.shop-hero .lead{margin-top:20px;font-size:15px;line-height:1.9;color:var(--ink-soft);max-width:640px}
.shop-hero .stripe{display:flex;gap:20px;margin-top:24px;flex-wrap:wrap;font-size:12px;font-family:"JetBrains Mono",monospace;letter-spacing:1px;color:var(--ink-soft)}
.shop-hero .stripe span::before{content:"◆ ";color:var(--vermilion)}

.shop-tier-bar{
  max-width:1400px;margin:0 auto;padding:0 40px;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  background:var(--paper-2);border-top:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);
  padding:14px 40px;margin-top:12px;
}
.shop-tier-bar .lbl{font-size:12px;font-family:"JetBrains Mono",monospace;letter-spacing:2px;color:var(--ink-soft)}
.shop-tier-bar .val{font-family:"Noto Serif TC",serif;font-weight:700;color:var(--vermilion)}
.shop-tier-bar .tiers{display:flex;gap:16px;flex-wrap:wrap}
.shop-tier-bar .tier-item{font-size:12px;font-family:"JetBrains Mono",monospace}
.shop-tier-bar .tier-item b{font-family:"Noto Serif TC",serif;color:var(--ink)}

.shop-cats{
  max-width:1400px;margin:0 auto;padding:32px 40px 8px;
  display:flex;gap:6px;flex-wrap:wrap;
  border-bottom:1.5px solid var(--ink);
}
.shop-cats button{
  background:transparent;border:none;cursor:pointer;
  padding:14px 22px;font-family:"Noto Serif TC",serif;font-weight:700;font-size:16px;color:var(--ink-soft);
  border-bottom:3px solid transparent;margin-bottom:-1.5px;letter-spacing:1px;
  transition:.15s;
}
.shop-cats button:hover{color:var(--ink)}
.shop-cats button.active{color:var(--vermilion);border-bottom-color:var(--vermilion)}
.shop-cats button .en{display:block;font-family:"Fraunces",serif;font-style:italic;font-size:10px;font-weight:400;letter-spacing:2px;opacity:.6;margin-top:2px}

.product-grid{
  max-width:1400px;margin:0 auto;padding:32px 40px 80px;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px;
}
.product-card{
  background:var(--paper);border:1.5px solid var(--ink);border-radius:16px;
  overflow:hidden;box-shadow:6px 6px 0 var(--ink);
  transition:.2s;cursor:pointer;display:flex;flex-direction:column;
}
.product-card:hover{transform:translate(-3px,-3px);box-shadow:9px 9px 0 var(--ink)}
.product-card .cover{
  position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--paper-2);
  border-bottom:1.5px solid var(--ink);
}
.product-card .cover img{width:100%;height:100%;object-fit:cover;display:block}
.product-card .cat-tag{
  position:absolute;top:12px;left:12px;
  background:var(--ink);color:var(--paper);
  padding:4px 12px;border-radius:99px;font-size:11px;
  font-family:"JetBrains Mono",monospace;letter-spacing:1px;
}
.product-card .cat-tag.welfare{background:var(--jade)}
.product-card .cat-tag.service{background:var(--indigo)}
.product-card .cat-tag.digital{background:var(--plum)}
.product-card .cat-tag.member_listing{background:var(--vermilion)}
.product-card .stock-tag{
  position:absolute;top:12px;right:12px;
  background:var(--paper);color:var(--ink);
  padding:4px 10px;border-radius:99px;font-size:11px;
  font-family:"JetBrains Mono",monospace;letter-spacing:1px;
  border:1.5px solid var(--ink);
}
.product-card .body{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column}
.product-card h3{font-family:"Noto Serif TC",serif;font-weight:700;font-size:18px;line-height:1.4;color:var(--ink);margin-bottom:8px}
.product-card .summary{font-size:13px;line-height:1.7;color:var(--ink-soft);flex:1}
.product-card .price-row{
  margin-top:16px;padding-top:14px;border-top:1px dashed rgba(26,20,16,.2);
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;
}
.product-card .price{font-family:"Fraunces",serif;font-weight:400;font-size:26px;color:var(--ink)}
.product-card .price .cur{font-size:14px;margin-right:2px;opacity:.6}
.product-card .old-price{font-size:13px;color:var(--ink-soft);text-decoration:line-through;opacity:.55}
.product-card .points-only{font-family:"JetBrains Mono",monospace;font-size:14px;color:var(--vermilion);font-weight:700}
.product-card.sold-out{opacity:.55}
.product-card .quick-add{
  margin:0 20px 18px;padding:11px;background:transparent;color:var(--ink);
  border:1.5px solid var(--ink);border-radius:99px;
  font-family:"Noto Serif TC",serif;font-weight:700;font-size:13px;cursor:pointer;
  transition:.15s;letter-spacing:2px;
}
.product-card .quick-add:hover{background:var(--ink);color:var(--paper)}

.empty-shop{
  max-width:1400px;margin:60px auto;padding:80px 40px;text-align:center;
  border:1.5px dashed var(--ink);border-radius:16px;
  color:var(--ink-soft);font-family:"Noto Serif TC",serif;
}

/* ==== 商品詳情 ==== */
.pdp-wrap{
  max-width:1200px;margin:0 auto;padding:40px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:flex-start;
}
.pdp-gallery{
  border:1.5px solid var(--ink);border-radius:16px;overflow:hidden;
  aspect-ratio:1/1;background:var(--paper-2);
  box-shadow:6px 6px 0 var(--ink);
}
.pdp-gallery img{width:100%;height:100%;object-fit:cover;display:block}
.pdp-info h1{font-family:"Noto Serif TC",serif;font-weight:900;font-size:36px;line-height:1.25;color:var(--ink)}
.pdp-info .cat{display:inline-block;background:var(--ink);color:var(--paper);padding:4px 12px;border-radius:99px;font-size:11px;font-family:"JetBrains Mono",monospace;letter-spacing:1px;margin-bottom:14px}
.pdp-info .cat.welfare{background:var(--jade)}
.pdp-info .cat.service{background:var(--indigo)}
.pdp-info .cat.digital{background:var(--plum)}
.pdp-info .cat.member_listing{background:var(--vermilion)}
.pdp-info .summary{margin-top:14px;color:var(--ink-soft);font-size:15px;line-height:1.9}

.pdp-price-block{
  margin-top:24px;padding:22px;background:var(--paper-2);
  border:1.5px solid var(--ink);border-radius:14px;
}
.pdp-price-block .row{display:flex;align-items:baseline;gap:12px}
.pdp-price-block .now{font-family:"Fraunces",serif;font-size:44px;color:var(--vermilion);font-weight:400}
.pdp-price-block .now .cur{font-size:18px;margin-right:4px;opacity:.7}
.pdp-price-block .old{font-size:16px;color:var(--ink-soft);text-decoration:line-through}
.pdp-price-block .save{font-size:12px;font-family:"JetBrains Mono",monospace;color:var(--jade);letter-spacing:1px;margin-top:6px}
.pdp-price-block .points-info{margin-top:12px;font-size:13px;color:var(--ink-soft);line-height:1.7}
.pdp-price-block .points-info b{color:var(--vermilion);font-family:"JetBrains Mono",monospace}

.pdp-qty-row{margin-top:22px;display:flex;align-items:center;gap:14px}
.pdp-qty-row label{font-size:12px;letter-spacing:2px;font-family:"JetBrains Mono",monospace;color:var(--ink-soft)}
.pdp-qty{
  display:flex;align-items:center;border:1.5px solid var(--ink);border-radius:99px;overflow:hidden;
}
.pdp-qty button{background:var(--paper);border:none;padding:8px 14px;cursor:pointer;font-size:16px;font-weight:700}
.pdp-qty button:hover{background:var(--ink);color:var(--paper)}
.pdp-qty input{border:none;width:56px;text-align:center;background:transparent;font-family:"JetBrains Mono",monospace;font-size:15px;font-weight:700;color:var(--ink)}

.pdp-toggle-points{
  margin-top:16px;padding:14px 16px;border:1.5px dashed var(--vermilion);border-radius:12px;
  display:flex;align-items:center;gap:10px;background:rgba(217,74,43,.05);
}
.pdp-toggle-points input{accent-color:var(--vermilion);width:18px;height:18px}
.pdp-toggle-points label{font-size:13px;color:var(--ink-soft);cursor:pointer}
.pdp-toggle-points label b{color:var(--vermilion);font-family:"JetBrains Mono",monospace}

.pdp-buy{
  margin-top:22px;display:flex;gap:12px;
}
.pdp-buy .btn-primary,.pdp-buy .btn-ghost{
  flex:1;padding:16px;border-radius:99px;font-family:"Noto Serif TC",serif;font-weight:700;font-size:15px;cursor:pointer;transition:.15s;letter-spacing:2px;
}
.pdp-buy .btn-primary{background:var(--ink);color:var(--paper);border:1.5px solid var(--ink)}
.pdp-buy .btn-primary:hover:not(:disabled){background:var(--vermilion);border-color:var(--vermilion);transform:translateY(-2px)}
.pdp-buy .btn-primary:disabled{opacity:.4;cursor:not-allowed}
.pdp-buy .btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.pdp-buy .btn-ghost:hover{background:var(--ink);color:var(--paper)}

.pdp-desc{
  grid-column:1/-1;margin-top:20px;padding:32px;background:var(--paper);
  border:1.5px solid var(--ink);border-radius:16px;
}
.pdp-desc h3{font-family:"Noto Serif TC",serif;font-weight:900;font-size:22px;margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--ink)}
.pdp-desc pre{white-space:pre-wrap;font-family:"Noto Sans TC",sans-serif;font-size:14px;line-height:1.9;color:var(--ink-soft)}
.pdp-desc .seller-box{margin-top:22px;padding:16px;background:var(--paper-2);border-radius:10px;font-size:13px;color:var(--ink-soft)}
.pdp-desc .seller-box b{color:var(--ink);font-family:"Noto Serif TC",serif}

@media(max-width:900px){
  .shop-hero{padding:40px 20px 24px}
  .shop-hero h1{font-size:36px}
  .shop-cats,.shop-tier-bar{padding-left:20px;padding-right:20px;overflow-x:auto}
  .product-grid{padding:24px 20px 60px}
  .pdp-wrap{grid-template-columns:1fr;padding:24px 20px}
  .pdp-info h1{font-size:28px}
}

/* ==== 結帳 ==== */
.checkout-wrap{
  max-width:1100px;margin:0 auto;padding:40px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:flex-start;
}
.checkout-wrap h1{font-family:"Noto Serif TC",serif;font-weight:900;font-size:32px;grid-column:1/-1;margin-bottom:6px}
.checkout-wrap h1 .en{display:block;font-family:"Fraunces",serif;font-style:italic;font-size:13px;color:var(--vermilion);letter-spacing:4px;font-weight:400;margin-bottom:6px}
.chk-panel{background:var(--paper);border:1.5px solid var(--ink);border-radius:16px;padding:24px;box-shadow:5px 5px 0 var(--ink)}
.chk-panel h3{font-family:"Noto Serif TC",serif;font-weight:700;font-size:18px;margin-bottom:16px;padding-bottom:10px;border-bottom:1.5px solid var(--ink)}
.chk-field{margin-bottom:14px}
.chk-field label{display:block;font-size:12px;font-family:"JetBrains Mono",monospace;letter-spacing:1px;color:var(--ink-soft);margin-bottom:6px}
.chk-field input,.chk-field textarea{width:100%;padding:11px 14px;border:1.5px solid var(--ink);border-radius:10px;background:var(--paper);font-size:14px;font-family:"Noto Sans TC",sans-serif}
.chk-field textarea{min-height:90px;resize:vertical}
.chk-summary{position:sticky;top:20px}
.chk-summary .line{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed rgba(26,20,16,.15);font-size:14px;color:var(--ink-soft)}
.chk-summary .line.total{border:none;padding-top:16px;margin-top:6px;font-family:"Fraunces",serif;font-size:28px;color:var(--vermilion);border-top:2px solid var(--ink)}
.chk-summary .line.total b{color:var(--vermilion)}
.chk-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(26,20,16,.15)}
.chk-item .cov{width:56px;height:56px;border-radius:8px;background:var(--paper-2) center/cover;border:1px solid var(--ink);flex-shrink:0}
.chk-item .n{font-family:"Noto Serif TC",serif;font-weight:700;font-size:14px;color:var(--ink)}
.chk-item .m{font-size:12px;color:var(--ink-soft);font-family:"JetBrains Mono",monospace;margin-top:4px}
.chk-item .p{margin-left:auto;font-family:"Fraunces",serif;font-size:16px;color:var(--vermilion)}
.chk-submit{width:100%;margin-top:20px;padding:16px;background:var(--ink);color:var(--paper);border:none;border-radius:99px;font-family:"Noto Serif TC",serif;font-weight:700;font-size:15px;cursor:pointer;letter-spacing:3px}
.chk-submit:hover:not(:disabled){background:var(--vermilion)}
.chk-submit:disabled{opacity:.4;cursor:not-allowed}

@media(max-width:900px){
  .checkout-wrap{grid-template-columns:1fr;padding:24px 20px}
  .chk-summary{position:static}
}

/* ==== 訂單完成 & 我的訂單 ==== */
.order-done{max-width:720px;margin:60px auto;padding:48px;text-align:center;background:var(--paper);border:1.5px solid var(--ink);border-radius:16px;box-shadow:6px 6px 0 var(--ink)}
.order-done .mark{width:80px;height:80px;border-radius:50%;background:var(--jade);color:var(--paper);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-family:"Noto Serif TC",serif;font-size:36px;font-weight:900}
.order-done h1{font-family:"Noto Serif TC",serif;font-weight:900;font-size:32px;margin-bottom:12px}
.order-done .no{font-family:"JetBrains Mono",monospace;font-size:18px;background:var(--paper-2);padding:8px 20px;border-radius:99px;display:inline-block;margin-top:8px;letter-spacing:2px}
.order-done .info{margin-top:22px;text-align:left;padding:20px;background:var(--paper-2);border-radius:12px;font-size:14px;line-height:1.9;color:var(--ink-soft)}
.order-done .info b{color:var(--ink);font-family:"Noto Serif TC",serif}

.order-list-item{background:var(--paper);border:1.5px solid var(--ink);border-radius:14px;padding:18px 22px;margin-bottom:14px;box-shadow:4px 4px 0 var(--ink)}
.order-list-item .head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.order-list-item .no{font-family:"JetBrains Mono",monospace;font-weight:700;color:var(--ink)}
.order-list-item .dt{font-size:12px;color:var(--ink-soft);font-family:"JetBrains Mono",monospace}
.order-list-item .items{font-size:13px;color:var(--ink-soft);line-height:1.8}
.order-list-item .foot{display:flex;justify-content:space-between;align-items:baseline;margin-top:12px;padding-top:10px;border-top:1px dashed rgba(26,20,16,.15)}
.order-list-item .total{font-family:"Fraunces",serif;font-size:22px;color:var(--vermilion)}
.status-pill{padding:4px 12px;border-radius:99px;font-size:11px;font-family:"JetBrains Mono",monospace;letter-spacing:1px;border:1px solid transparent}
.status-pill.pending{background:rgba(232,184,66,.25);color:#8a6a1e;border-color:#c9a02a}
.status-pill.paid{background:rgba(30,58,138,.15);color:var(--indigo);border-color:var(--indigo)}
.status-pill.shipping{background:rgba(58,166,185,.2);color:var(--cyan);border-color:var(--cyan)}
.status-pill.completed{background:rgba(15,122,95,.15);color:var(--jade);border-color:var(--jade)}
.status-pill.cancelled,.status-pill.refunded{background:rgba(26,20,16,.1);color:var(--ink-soft)}

/* Cart nav badge */
.cart-nav{position:relative;display:inline-flex;align-items:center;padding:6px 14px;border-radius:99px;border:1.5px solid var(--ink);text-decoration:none;color:var(--ink);font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:1px;transition:.15s}
.cart-nav:hover{background:var(--ink);color:var(--paper)}
.cart-nav .cart-badge{
  position:absolute;top:-6px;right:-6px;
  background:var(--vermilion);color:var(--paper);
  min-width:20px;height:20px;padding:0 5px;border-radius:99px;
  font-family:"JetBrains Mono",monospace;font-size:11px;font-weight:700;
  display:none;align-items:center;justify-content:center;
  border:1.5px solid var(--paper);
}

/* Toast */
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:32px;background:var(--ink);color:var(--paper);padding:12px 22px;border-radius:99px;font-family:"Noto Sans TC",sans-serif;font-size:14px;font-weight:500;box-shadow:0 8px 24px rgba(0,0,0,.25);z-index:9999;animation:tostFadein .2s;letter-spacing:1px}
.toast.jade{background:var(--jade)}
.toast.vermilion{background:var(--vermilion)}
@keyframes tostFadein{from{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%,0)}}