: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;
  --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}
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}
  .card,.phase-card{background:#fff!important;color:#0F2826!important}
  .lang-bar{background:#1A5C55!important}
  .nav{background:rgba(244,249,248,.97)!important}
  .item-row{background:#fff!important}
  .item-row:hover{background:#f0faf8!important}
  .progress-bar-bg{background:#d0e8e6!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}
}
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)}

/* ── 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-back{background:var(--teal-l);color:var(--teal-d);border:none;border-radius:18px;padding:6px 12px;font-size:.78em;font-weight:600;cursor:pointer;font-family:'Outfit',sans-serif;text-decoration:none;flex-shrink:0}
.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{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:36px 20px 32px;text-align:center}
.hero h1{font-family:'Playfair Display',serif;font-size:clamp(1.4rem,4vw,2.2rem);font-weight:900;color:#fff;margin-bottom:10px;line-height:1.2}
.hero-accent{color:#7EEAE5}
.hero-sub{color:rgba(255,255,255,.88);font-size:clamp(.86rem,2vw,.98rem);max-width:540px;margin:0 auto 22px;line-height:1.65}
.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)}
.btn-hero:hover{transform:translateY(-2px)}
.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 ── */
.section{max-width:860px;margin:0 auto;padding:28px 16px}
.section-title{font-family:'Playfair Display',serif;font-size:1.4em;font-weight:700;color:var(--teal-xd);margin-bottom:6px}

/* ── Overall progress ── */
.progress-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:20px 24px;box-shadow:var(--sh);margin-bottom:24px}
.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:8px}
.progress-title{font-family:'Playfair Display',serif;font-weight:700;color:var(--teal-xd);font-size:1.05em}
.progress-pct{font-family:'Playfair Display',serif;font-size:1.8em;font-weight:700;color:var(--teal-d)}
.progress-bar-bg{background:#d8eeec;border-radius:8px;height:14px;overflow:hidden;margin-bottom:8px}
.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--green),var(--teal));border-radius:8px;transition:width .5s cubic-bezier(.4,0,.2,1);min-width:0}
.progress-summary{font-size:.82em;color:var(--text3)}

/* ── Phase card ── */
.phase-card{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:0;box-shadow:var(--sh);margin-bottom:18px;overflow:hidden}
.phase-header{display:flex;align-items:center;gap:12px;padding:16px 20px;cursor:pointer;user-select:none;transition:background .15s}
.phase-header:hover{background:var(--teal-l)}
.phase-dot{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1em;flex-shrink:0;font-weight:700;font-family:'Playfair Display',serif}
.phase-title-blk{flex:1}
.phase-title{font-weight:700;font-size:.98em;color:var(--text)}
.phase-sub{font-size:.76em;color:var(--text3);margin-top:2px}
.phase-progress{display:flex;align-items:center;gap:8px;flex-shrink:0}
.phase-count{font-size:.82em;color:var(--text3);white-space:nowrap}
.phase-mini-bar{width:60px;height:6px;background:#e0eeec;border-radius:4px;overflow:hidden;display:inline-block;vertical-align:middle}
.phase-mini-fill{height:100%;background:var(--teal);border-radius:4px;transition:width .4s ease}
.phase-chevron{color:var(--teal3);font-size:.9em;transition:transform .25s;flex-shrink:0}
.phase-chevron.open{transform:rotate(90deg)}
.phase-body{border-top:1px solid var(--border);padding:0;max-height:0;overflow:hidden;transition:max-height .4s ease}
.phase-body.open{max-height:2000px}

/* ── Item rows ── */
.item-row{display:flex;align-items:flex-start;gap:12px;padding:12px 20px;border-bottom:1px solid #f0f8f7;transition:background .12s;cursor:pointer}
.item-row:last-child{border-bottom:none}
.item-row:hover{background:var(--teal-l)}
.item-row.checked{opacity:.6}
.item-check{margin-top:2px;flex-shrink:0;width:18px;height:18px;cursor:pointer;accent-color:var(--teal)}
.item-content{flex:1}
.item-title{font-size:.9em;font-weight:600;color:var(--text);line-height:1.4;transition:color .15s}
.item-row.checked .item-title{text-decoration:line-through;color:var(--text3)}
.item-desc{font-size:.79em;color:var(--text3);margin-top:3px;line-height:1.5}
.item-badge{display:inline-block;border-radius:5px;padding:1px 8px;font-size:.72em;font-weight:700;margin-right:6px;vertical-align:middle}
.badge-critical{background:var(--red-l);color:var(--red)}
.badge-deadline{background:var(--gold-l);color:#8a5800}
.badge-tool{background:var(--teal-l);color:var(--teal-d)}
.badge-intl{background:#f0eaf8;color:#6b3fa0}

/* ── Print mode ── */
@media print{
  .lang-bar,.nav,.hero-btns,.btn-group,.no-print{display:none!important}
  .hero{padding:16px 20px!important}
  .phase-body{max-height:none!important;border-top:1px solid #ddd}
  .phase-chevron{display:none}
  .phase-header{cursor:default}
  body{background:#fff!important}
  .phase-card{box-shadow:none;border:1px solid #ccc;page-break-inside:avoid}
}

/* ── Action bar ── */
.btn-group{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.btn-action{background:#fff;border:1.5px solid var(--border);color:var(--text2);border-radius:18px;padding:7px 16px;font-size:.84em;font-weight:600;cursor:pointer;font-family:'Outfit',sans-serif;transition:all .18s}
.btn-action:hover{border-color:var(--teal);color:var(--teal-d)}
.btn-action.danger:hover{border-color:var(--red);color:var(--red);background:var(--red-l)}

/* ── Contact ── */
.contact-hero{background:linear-gradient(135deg,#1A5C55,#267D74);color:#fff;border-radius:var(--r);padding:28px 24px;text-align:center;margin-bottom:20px}
.contact-hero h2{font-family:'Playfair Display',serif;font-size:1.3em;margin-bottom:8px;color:#fff}
.contact-hero p{color:rgba(255,255,255,.85);margin-bottom:18px;font-size:.88em;line-height:1.6}
.cta-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.cta-btn{background:#fff;color:#1A5C55;border:none;border-radius:20px;padding:10px 22px;font-weight:700;cursor:pointer;font-family:'Outfit',sans-serif;font-size:.9em;text-decoration:none;display:inline-block;transition:transform .15s}
.cta-btn:hover{transform:translateY(-1px)}
.cta-btn-out{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6);border-radius:20px;padding:10px 22px;font-weight:700;cursor:pointer;font-family:'Outfit',sans-serif;font-size:.9em;text-decoration:none;display:inline-block;transition:all .15s}
.cta-btn-out:hover{background:rgba(255,255,255,.1)}

/* ── Disclaimer ── */
.disclaimer{text-align:center;font-size:.75em;color:var(--text3);padding:20px 16px 32px;border-top:1px solid var(--border);margin-top:24px;line-height:1.6}

/* ── Back to top ── */
#btt{position:fixed;right:16px;bottom:24px;z-index:198;width:44px;height:44px;border-radius:50%;background:rgba(58,168,157,.82);backdrop-filter:blur(8px);color:#fff;font-size:18px;display:none;align-items:center;justify-content:center;border:none;cursor:pointer;opacity:0;transition:opacity .25s ease;box-shadow:0 2px 12px rgba(26,92,85,.3)}

@media(max-width:600px){
  .hero{padding:28px 14px 24px}
  .section{padding:18px 12px}
  .phase-header{padding:14px 14px}
  .item-row{padding:10px 14px}
  .progress-wrap{padding:16px}
}
/* ── 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-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}
}