:root{
  --teal:#3AA89D;--teal-d:#267D74;--teal-xd:#1A5C55;--teal-l:#E2F6F4;--teal-mid:#9FDBD7;
  --bg:#F4F9F8;--bg2:#EDF6F5;--card:#FFFFFF;--border:#C8E6E3;
  --text:#0F2826;--text2:#3A5854;--text3:#7A9B98;
  --gold:#e8a020;--gold-l:#fdf3dc;
  --red:#e05c3a;--red-l:#fdf0ec;
  --blue:#2980c0;--blue-l:#e8f2fc;
  --green:#2a9d6e;--green-l:#e4f7ef;
  --r:14px;--rs:8px;--sh:0 2px 16px rgba(26,92,85,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;font-family:'Outfit',sans-serif}
html.sz-md{font-size:18px}
html.sz-lg{font-size:20px}

/* ── Dark mode defense (all 3 layers) ───────────────────────── */
html,body{color-scheme:light only!important;forced-color-adjust:none!important}
@media(prefers-color-scheme:dark){
  html,body{background-color:#F4F9F8!important;color:#0F2826!important}
  td,th,.card{background:#fff!important;color:#0F2826!important}
  .hero{background:linear-gradient(135deg,#1A5C55 0%,#267D74 50%,#3AA89D 100%)!important}
  .hero,.hero h1,.hero p,.hero-sub,.hero-stat-lbl{color:#fff!important}
  .hero-stat-val{color:#7EEAE5!important}
  .btn-hero{color:#1A5C55!important;background:#ffffff!important}
  .lang-bar{background:#1A5C55!important}
  .nav{background:rgba(244,249,248,.97)!important}
  .tool-card{background:#fff!important}
  .tuition-card{background:#fff!important}
  .savings-box{background:#e4f7ef!important}
}

body{background:radial-gradient(ellipse 80% 40% at 15% 20%,rgba(165,218,213,.18) 0%,transparent 70%),radial-gradient(ellipse 60% 35% at 85% 75%,rgba(180,225,215,.14) 0%,transparent 65%),#F4F9F8;color:var(--text);min-height:100vh}

/* ── Top bar ─────────────────────────────────────────────────── */
.lang-bar{background:var(--teal-xd);color:#fff;display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:5px 16px;font-size:.8em}
.lang-btn{background:transparent;color:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.25);border-radius:14px;padding:2px 10px;cursor:pointer;font-size:.9em;font-family:'Outfit',sans-serif;transition:all .18s}
.lang-btn.active{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.55)}
.sz-ctrl{display:flex;align-items:center;gap:4px;margin-right:6px}
.sz-btn{background:transparent;color:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.2);border-radius:11px;padding:2px 8px;cursor:pointer;font-size:.82em;font-family:'Outfit',sans-serif;transition:all .18s}
.sz-btn.active{color:#fff;border-color:rgba(255,255,255,.55)}

/* ── Tool strip ── */
.tool-strip{background:#EDF6F5;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:4px;padding:4px 12px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;flex-shrink:0}
.tool-strip::-webkit-scrollbar{display:none}
.ts-home{background:var(--teal-xd);color:#fff!important;border-radius:6px;padding:3px 10px;font-size:.74em;font-weight:700;text-decoration:none;flex-shrink:0;white-space:nowrap;transition:opacity .15s}
.ts-home:hover{opacity:.85}
.ts-home.active{background:var(--teal)!important;box-shadow:0 1px 6px rgba(58,168,157,.4)}
.ts-link{color:var(--text2);font-size:.74em;font-weight:600;text-decoration:none;padding:3px 10px;border-radius:6px;white-space:nowrap;transition:all .15s;border:1px solid transparent;flex-shrink:0}
.ts-link:hover{background:var(--teal-l);color:var(--teal-d);border-color:var(--border)}
.ts-link.active{background:var(--teal);color:#fff!important;border-color:var(--teal)}
@media(prefers-color-scheme:dark){
  .tool-strip{background:#EDF6F5!important;border-bottom-color:var(--border)!important}
  .ts-link{color:var(--text2)!important}
  .ts-link.active{background:var(--teal)!important;color:#fff!important}
}

/* ── Nav ──────────────────────────────────────────────────────── */
.nav{position:sticky;top:0;z-index:100;background:rgba(244,249,248,.97);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);display:flex;align-items:center;height:56px;gap:6px;padding:0 12px 0 16px}
.nav-brand{font-family:'Playfair Display',serif;font-weight:700;font-size:.95em;color:var(--teal-xd);white-space:nowrap;text-decoration:none;flex-shrink:0}
.nav-brand span{color:var(--teal)}
.nav-cta{background:linear-gradient(135deg,var(--teal) 0%,var(--teal-d) 100%);color:#fff;border:none;border-radius:18px;padding:6px 14px;font-size:.786em;font-weight:700;flex-shrink:0;cursor:pointer;font-family:'Outfit',sans-serif;box-shadow:0 2px 10px rgba(26,92,82,.3);text-decoration:none;margin-left:auto}

/* ── Bilingual ────────────────────────────────────────────────── */
.zh{display:inline}.en{display:none}
div.zh,p.zh,li.zh,h1.zh,h2.zh,h3.zh,h4.zh,span.zh{display:inline}
div.zh{display:block}div.en{display:none}
body.en-mode .zh{display:none!important}
body.en-mode .en{display:inline!important}
body.en-mode div.en{display:block!important}
body.en-mode div.zh{display:none!important}

/* ── Hero ─────────────────────────────────────────────────────── */
.hero{background:linear-gradient(135deg,#1A5C55 0%,#267D74 50%,#3AA89D 100%);padding:52px 20px 44px;text-align:center}
.hero h1{font-family:'Playfair Display',serif;font-size:clamp(1.6rem,4vw,2.7rem);font-weight:900;color:#fff;margin-bottom:12px;line-height:1.2}
.hero-accent{color:#7EEAE5}
.hero-sub{color:rgba(255,255,255,.88);font-size:clamp(.9rem,2vw,1.06rem);max-width:620px;margin:0 auto 28px;line-height:1.65}
.hero-stats{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:28px}
.hero-stat{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);border-radius:12px;padding:12px 20px;min-width:88px}
.hero-stat-val{font-family:'Playfair Display',serif;font-size:1.85em;font-weight:700;color:#7EEAE5;line-height:1}
.hero-stat-lbl{font-size:.73em;color:rgba(255,255,255,.8);margin-top:4px}
.hero-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.btn-hero{background:#fff;color:#1A5C55;border:none;border-radius:20px;padding:10px 22px;font-weight:700;font-size:.9em;cursor:pointer;font-family:'Outfit',sans-serif;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 16px rgba(0,0,0,.15);text-decoration:none;display:inline-block}
.btn-hero:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.2)}
.btn-hero-out{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.65);border-radius:20px;padding:10px 22px;font-weight:700;font-size:.9em;cursor:pointer;font-family:'Outfit',sans-serif;transition:all .15s;text-decoration:none;display:inline-block}
.btn-hero-out:hover{background:rgba(255,255,255,.12)}

/* ── Section wrapper ──────────────────────────────────────────── */
.section{max-width:960px;margin:0 auto;padding:36px 16px}
.section-title{font-family:'Playfair Display',serif;font-size:1.55em;font-weight:700;color:var(--teal-xd);margin-bottom:6px}
.section-sub{color:var(--text2);font-size:.9em;margin-bottom:24px;line-height:1.6}
h3.sub{font-size:1em;font-weight:700;color:var(--teal-d);margin:20px 0 10px;display:flex;align-items:center;gap:7px}
h3.sub::before{content:'';width:3px;height:16px;background:var(--teal);border-radius:2px;flex-shrink:0}

/* ── Cards ────────────────────────────────────────────────────── */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:20px;box-shadow:var(--sh)}

/* ── Tip / Warn boxes ─────────────────────────────────────────── */
.tip{background:var(--teal-l);border-left:3px solid var(--teal);border-radius:0 var(--rs) var(--rs) 0;padding:12px 14px;font-size:.87em;color:var(--text2);margin:16px 0;line-height:1.65}
.tip strong{color:var(--teal-d)}
.warn{background:var(--gold-l);border-left:3px solid var(--gold);border-radius:0 var(--rs) var(--rs) 0;padding:12px 14px;font-size:.87em;color:var(--text2);margin:16px 0;line-height:1.65}
.warn strong{color:#8a5800}

/* ── Tuition comparison section ───────────────────────────────── */
.tuition-section{background:linear-gradient(to bottom, #EDF6F5, #F4F9F8);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:40px 0}
.tuition-toggle-wrap{display:flex;justify-content:center;margin-bottom:28px}
.tuition-toggle{display:inline-flex;border:2px solid var(--border);border-radius:28px;overflow:hidden;background:#fff;box-shadow:0 2px 10px rgba(26,92,85,.07)}
.t-btn{background:transparent;border:none;padding:9px 24px;font-size:.92em;font-weight:700;cursor:pointer;font-family:'Outfit',sans-serif;color:var(--text2);transition:all .2s;white-space:nowrap}
.t-btn.active{background:var(--teal);color:#fff;box-shadow:inset 0 1px 4px rgba(0,0,0,.12)}

.tuition-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}
@media(max-width:640px){.tuition-cards{grid-template-columns:1fr}}
.tuition-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--r);padding:24px;box-shadow:var(--sh);position:relative}
.tuition-card.tag-path{border-color:var(--teal);border-width:2px}
.tuition-card.tag-path::before{content:'推薦路線';position:absolute;top:-1px;right:16px;background:var(--teal);color:#fff;font-size:.7em;font-weight:700;padding:3px 10px;border-radius:0 0 8px 8px}
body.en-mode .tuition-card.tag-path::before{content:'Recommended'}
.tuition-card-title{font-family:'Playfair Display',serif;font-size:1.1em;font-weight:700;color:var(--teal-xd);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.tuition-card-title .badge{background:var(--teal-l);color:var(--teal-d);font-size:.7em;font-weight:700;padding:3px 8px;border-radius:20px;font-family:'Outfit',sans-serif}

.tuition-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--border);font-size:.88em}
.tuition-row:last-of-type{border-bottom:none}
.tuition-row .label{color:var(--text2);flex:1}
.tuition-row .amount{font-weight:700;color:var(--text);font-family:'Playfair Display',serif;font-size:1em}
.tuition-row.total{background:var(--teal-l);margin:10px -24px -24px;padding:12px 24px;border-radius:0 0 var(--r) var(--r);border-bottom:none}
.tuition-row.total .label{font-weight:700;color:var(--teal-d)}
.tuition-row.total .amount{color:var(--teal-xd);font-size:1.15em}

.savings-box{background:linear-gradient(135deg,#e4f7ef,#c8f0e4);border:2px solid var(--green);border-radius:var(--r);padding:22px 24px;text-align:center;margin:0 auto 28px;max-width:600px}
.savings-label{font-size:.85em;color:var(--text2);margin-bottom:6px}
.savings-amount{font-family:'Playfair Display',serif;font-size:2.8em;font-weight:900;color:var(--green);line-height:1;margin-bottom:6px}
.savings-note{font-size:.8em;color:var(--text2)}

/* ── Bar chart ─────────────────────────────────────────────────── */
.bar-chart{max-width:600px;margin:0 auto 28px;background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:20px 24px;box-shadow:var(--sh)}
.bar-chart-title{font-weight:700;color:var(--teal-xd);font-size:.9em;margin-bottom:16px;text-align:center}
.bar-row{margin-bottom:14px}
.bar-label-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px;font-size:.82em}
.bar-label{color:var(--text2);font-weight:600}
.bar-value{color:var(--text);font-weight:700;font-family:'Playfair Display',serif}
.bar-bg{background:#e8f4f3;border-radius:6px;height:18px;overflow:hidden}
.bar-fill{height:100%;border-radius:6px;transition:width .5s ease}
.bar-fill.tag{background:linear-gradient(90deg,var(--teal),var(--teal-d))}
.bar-fill.direct{background:linear-gradient(90deg,#e05c3a,#c0421e)}

/* ── Degree-equal notice ────────────────────────────────────────── */
.degree-note{background:var(--gold-l);border:1.5px solid var(--gold);border-radius:var(--r);padding:16px 20px;max-width:600px;margin:0 auto 20px;text-align:center;font-size:.88em;color:var(--text2);line-height:1.6}
.degree-note strong{color:#8a5800}

/* ── Tool cards grid ────────────────────────────────────────────── */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-bottom:8px}
.tool-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--r);padding:22px;box-shadow:var(--sh);display:flex;flex-direction:column;gap:10px;transition:transform .15s,box-shadow .15s,border-color .15s}
.tool-card:hover{transform:translateY(-3px);box-shadow:0 6px 24px rgba(26,92,85,.13);border-color:var(--teal)}
.tool-icon{font-size:2em;line-height:1}
.tool-name{font-family:'Playfair Display',serif;font-weight:700;font-size:1.02em;color:var(--teal-xd)}
.tool-desc{font-size:.85em;color:var(--text2);line-height:1.6;flex:1}
.tool-btn{background:var(--teal);color:#fff;border:none;border-radius:20px;padding:8px 18px;font-size:.82em;font-weight:700;cursor:pointer;font-family:'Outfit',sans-serif;text-align:center;text-decoration:none;display:inline-block;transition:background .15s,transform .15s;align-self:flex-start;margin-top:auto}
.tool-btn:hover{background:var(--teal-d);transform:translateY(-1px)}

/* ── IG section ─────────────────────────────────────────────────── */
.ig-section{background:linear-gradient(135deg,#fff5dc,#ffefc4);border:1.5px solid var(--gold);border-radius:var(--r);padding:24px;margin-bottom:24px}
.ig-section-title{font-family:'Playfair Display',serif;font-size:1.1em;font-weight:700;color:#7a4800;margin-bottom:8px}
.ig-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.ig-tag{background:rgba(232,160,32,.15);color:#8a5800;border:1px solid rgba(232,160,32,.4);border-radius:20px;padding:4px 12px;font-size:.78em;font-weight:600}

/* ── Contact CTA ─────────────────────────────────────────────────── */
.contact-hero{background:linear-gradient(135deg,#1A5C55 0%,#267D74 60%,#3AA89D 100%);border-radius:var(--r);padding:32px 24px;text-align:center;color:#fff;margin-bottom:24px}
.contact-hero h2{font-family:'Playfair Display',serif;font-size:1.35em;font-weight:700;margin-bottom:10px}
.contact-hero p{font-size:.9em;color:rgba(255,255,255,.85);margin-bottom:20px;line-height:1.6;max-width:500px;margin-left:auto;margin-right:auto}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta-btn{background:#fff;color:#1A5C55;border:none;border-radius:20px;padding:10px 22px;font-weight:700;font-size:.9em;cursor:pointer;font-family:'Outfit',sans-serif;text-decoration:none;display:inline-block;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 14px rgba(0,0,0,.15)}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.2)}
.cta-btn-out{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6);border-radius:20px;padding:10px 22px;font-weight:700;font-size:.9em;cursor:pointer;font-family:'Outfit',sans-serif;text-decoration:none;display:inline-block;transition:all .15s}
.cta-btn-out:hover{background:rgba(255,255,255,.12)}

/* ── Disclaimer ──────────────────────────────────────────────────── */
.disclaimer{text-align:center;font-size:.75em;color:var(--text3);padding:20px 16px 32px;border-top:1px solid var(--border);margin-top:32px;line-height:1.6}

/* ── Back to top ────────────────────────────────────────────────── */
#btt{position:fixed;bottom:20px;right:20px;width:40px;height:40px;border-radius:50%;background:var(--teal);color:#fff;border:none;font-size:1.1em;cursor:pointer;box-shadow:0 2px 10px rgba(26,92,85,.3);opacity:0;transition:opacity .3s;z-index:200}
#btt.show{opacity:1}

/* ── Section dividers ───────────────────────────────────────────── */
.section-divider{border:none;border-top:1px solid var(--border);margin:0}