:root{color-scheme:light;--paper:#f4f6f3;--panel:#fff;--ink:#1c2530;--muted:#5b6572;--line:#cfd8d0;--soft-line:#e5ebe6;--accent:#9b2f24;--accent-dark:#6f2119;--teal:#1f6f68;--blue:#304f7d;--wash:#eef3f0}*{box-sizing:border-box}body{background:var(--paper);min-height:100vh;color:var(--ink);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,Noto Serif TC,sans-serif}a{color:inherit}.site-header,.site-footer{width:min(1180px,94vw);margin:0 auto}.site-header{justify-content:space-between;align-items:center;gap:24px;padding:20px 0 10px;display:flex}.brand{align-items:center;gap:12px;text-decoration:none;display:inline-flex}.brand-image{border:1px solid var(--line);object-fit:cover;object-position:center;width:52px;height:42px;display:block}.brand strong,.brand small{display:block}.brand-title{color:var(--muted);font-size:24px;font-weight:800;line-height:1.2}.site-nav{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.site-nav a{color:var(--muted);border:1px solid #0000;padding:8px 10px;font-size:14px;font-weight:700;text-decoration:none}.site-nav a:hover,.site-nav a.active{border-color:var(--line);color:var(--ink);background:#fff}.page-shell{width:min(1080px,92vw);margin:0 auto;padding:clamp(28px,6vw,72px) 0}.hero,.tool-panel,.content-page{border:1px solid var(--line);background:var(--panel);box-shadow:0 18px 50px #18253014}.hero{margin-bottom:24px;padding:clamp(28px,6vw,48px)}.home-hero{grid-template-columns:minmax(0,1.45fr) minmax(280px,.75fr);align-items:end;gap:clamp(22px,4vw,40px);display:grid}.hero-panel{border-top:4px solid var(--teal);background:var(--wash);padding:18px 20px}.hero-panel p,.hero-panel ul{margin:0}.hero-panel ul{color:var(--muted);gap:10px;margin-top:12px;padding-left:18px;line-height:1.6;display:grid}.lead{margin:18px 0 0;font-size:clamp(20px,2.2vw,30px);line-height:1.8}.tool-panel,.content-page{padding:clamp(24px,5vw,40px)}.tool-panel{gap:24px;display:grid}.eyebrow{color:var(--accent);letter-spacing:0;text-transform:uppercase;margin:0 0 10px;font-size:14px;font-weight:700}h1,h2,h3{letter-spacing:0;margin:0;line-height:1.25}h1{font-size:clamp(28px,4vw,42px)}h2{font-size:clamp(22px,3vw,30px)}h3{font-size:18px}.content-page h2{margin-top:28px}.muted{color:var(--muted);line-height:1.75}.cast-form{gap:12px;display:grid}.cast-form label{font-weight:700}.cast-form input,.cast-form select,.cast-form textarea{border:1px solid var(--line);width:100%;color:var(--ink);font:inherit;background:#fff;padding:14px 16px;line-height:1.6}.cast-form textarea{resize:vertical}.cast-form button{background:var(--accent);color:#fffaf0;width:fit-content;font:inherit;cursor:pointer;border:0;padding:12px 20px;font-weight:700}.cast-form button:hover{background:var(--accent-dark)}.result{border-left:4px solid var(--accent);background:#fff;padding:18px 20px}.result p{line-height:1.7}.result-label{color:var(--accent);margin:0 0 8px;font-weight:700}.link-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:24px;display:grid}.link-grid a,.back-link{border:1px solid var(--line);background:#fff;padding:14px 16px;font-weight:700;text-decoration:none}.link-grid a:hover,.back-link:hover{border-color:var(--teal);color:var(--teal)}.content-page p{max-width:720px;line-height:1.8}.section-band{gap:18px;margin-top:24px;padding:clamp(24px,5vw,40px) 0;display:grid}.feature-grid,.compact-grid,.principle-list,.timeline-list{gap:14px;display:grid}.feature-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.compact-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.feature-grid article,.compact-grid article,.principle-list article,.timeline-list article{border:1px solid var(--soft-line);background:#fff;padding:18px}.feature-grid p,.compact-grid p,.principle-list p,.timeline-list p{color:var(--muted);margin-bottom:0}.principle-list,.timeline-list{margin-top:22px}.timeline-list article span{color:var(--blue);font-size:13px;font-weight:800}.hexagram-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:18px 0 0;padding:0;list-style:none;display:grid}.hexagram-grid li{border:1px solid var(--soft-line);background:#fff;align-items:center;gap:10px;padding:12px;display:flex}.hexagram-grid span{color:var(--teal);font-variant-numeric:tabular-nums;font-weight:800}.stats-row{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:24px 0;display:grid}.stats-row div{border-top:4px solid var(--teal);background:var(--wash);padding:18px}.stats-row strong,.stats-row span{display:block}.stats-row strong{font-size:28px}.stats-row span{color:var(--muted);margin-top:4px}.plain-list{color:var(--muted);gap:10px;padding-left:20px;line-height:1.8;display:grid}.button-row{flex-wrap:wrap;gap:10px;display:flex}.hp-field{display:none}.practice-page{gap:22px;display:grid}.practice-form{border-top:1px solid var(--line);padding-top:20px}.method-fieldset{border:0;margin:0;padding:0}.method-fieldset legend{margin-bottom:10px;font-weight:700}.method-tabs{flex-wrap:wrap;gap:10px;display:flex}.method-tabs label{cursor:pointer}.method-tabs input{opacity:0;pointer-events:none;position:absolute}.method-tabs span{border:1px solid var(--line);background:#fff;align-items:center;min-height:42px;padding:10px 16px;font-weight:700;display:inline-flex}.method-tabs input:checked+span{border-color:var(--accent);background:var(--accent);color:#fffaf0}.practice-result{gap:18px;display:grid}.practice-summary h2{margin-bottom:10px}.reading-facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 20px;margin-top:14px;display:grid}.reading-facts p{margin:0}.interpretation-panel{border:1px solid var(--line);border-left:5px solid var(--accent);background:#fff;padding:clamp(18px,4vw,30px)}.interpretation-summary{color:var(--ink);margin:0 0 18px;font-size:18px;line-height:1.8}.interpretation-list{gap:14px;margin:0;padding-left:22px;display:grid}.interpretation-list li{padding-left:6px}.interpretation-list h3,.action-panel h3{margin:0 0 6px;font-size:18px;line-height:1.35}.interpretation-list p{color:var(--muted);margin:0;line-height:1.8}.action-panel{border-top:1px solid var(--line);margin-top:20px;padding-top:18px}.action-panel ul{color:var(--muted);gap:8px;margin:0;padding-left:20px;line-height:1.8;display:grid}.interpretation-notice{color:var(--muted);margin:18px 0 0;font-size:14px;line-height:1.7}.step-panel{border:1px solid var(--line);background:#fff;padding:clamp(18px,4vw,28px)}.step-panel h2{margin-bottom:18px}.step-list{gap:14px;margin:0;padding-left:22px;display:grid}.step-list li{padding-left:6px}.step-list h3{margin:0 0 6px;font-size:18px;line-height:1.35}.step-list p{color:var(--muted);margin:0;line-height:1.8}.open-list{margin-top:22px;margin-bottom:24px}.site-footer{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;justify-content:center;gap:12px 18px;padding:22px 0 32px;font-size:14px;display:flex}.site-footer a{color:var(--ink);font-weight:700;text-decoration:none}@media (width<=720px){.site-header{flex-direction:column;align-items:flex-start}.site-nav{justify-content:flex-start}.home-hero,.feature-grid,.compact-grid,.hexagram-grid,.stats-row,.link-grid,.reading-facts{grid-template-columns:1fr}}