:root{ --ink:#14180F; --soft:#5c6353; --paper:#F5F6F2; --paper2:#eef0ea; --card:#fff; --line:#e7e8e2; --petal:#F4B72A; --green:#4e8b34; }
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}
.wrap{max-width:820px;margin:0 auto;padding:1.2rem 1.2rem 4rem}
.gnav{display:flex;align-items:center;gap:.9rem;flex-wrap:wrap;max-width:820px;margin:0 auto;padding:1rem 1.2rem;border-bottom:1px solid var(--line)}
.gnav .brand{color:var(--ink);text-decoration:none;font-weight:800;font-size:1.1rem;margin-right:auto}
.gnav nav{display:flex;gap:.9rem;flex-wrap:wrap}
.gnav nav a{color:var(--soft);text-decoration:none;font-size:.92rem}
.gnav nav a:hover,.gnav nav a.on{color:var(--ink);font-weight:700}
.gnav .cta{background:var(--petal);color:var(--ink);font-weight:700;padding:.45rem .8rem;border-radius:10px;text-decoration:none;font-size:.88rem}
h1{font-size:2rem;margin:1rem 0 .4rem;letter-spacing:-.02em}
.lede{color:var(--soft);font-size:1.05rem;margin-bottom:1.4rem}
h2{font-size:1.3rem;margin:2rem 0 .5rem}
h3{margin:1.1rem 0 .2rem;font-size:1.05rem}
p,li{color:#2b2f26}
a{color:#1f7ab0}
ul{padding-left:1.2rem}
.tips li{margin:.4rem 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:1rem 1.2rem;margin:1rem 0}
.fact{background:#fff8e6;border:1px solid #f2e1ad;border-left:4px solid var(--petal);border-radius:12px;padding:1rem 1.2rem;margin:1.4rem 0}
table{width:100%;border-collapse:collapse;margin:.6rem 0;font-size:.92rem;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{text-align:left;padding:.6rem .7rem;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--paper2);font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;color:var(--soft)}
tr:last-child td{border-bottom:none}
.hubgrid{display:grid;grid-template-columns:1fr 1fr;gap:.9rem;margin:1.2rem 0}
.hubcard{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:1.1rem;text-decoration:none;color:var(--ink)}
.hubcard:hover{border-color:var(--petal);box-shadow:0 6px 18px rgba(20,24,15,.06)}
.hubcard .ic{font-size:1.6rem}
.hubcard h3{margin:.4rem 0 .2rem}
.hubcard p{margin:0;color:var(--soft);font-size:.9rem}
.tl{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin:1rem 0}
.tl-stage img{display:block;width:100%;max-height:460px;object-fit:contain;background:#dfeaf3}
.tl-controls{display:flex;align-items:center;gap:.6rem;padding:.7rem .9rem;border-top:1px solid var(--line)}
.tl-controls button{border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:.45rem .7rem;font-size:1rem;cursor:pointer}
.tl-controls button.play{background:var(--petal);border-color:var(--petal);font-weight:700}
.tl-bar{flex:1;height:8px;background:var(--paper2);border-radius:5px;overflow:hidden}
.tl-bar span{display:block;height:100%;background:var(--green);width:0;transition:width .2s}
.tl-cap{padding:0 .9rem .8rem;color:var(--soft);font-size:.9rem}
.btn-row{margin:1.4rem 0}
.btn-row a{display:inline-block;background:var(--petal);color:var(--ink);font-weight:700;padding:.7rem 1.2rem;border-radius:10px;text-decoration:none}
.backlink{display:inline-block;margin-top:1.6rem;color:var(--soft);text-decoration:none}
footer{margin-top:2.5rem;color:var(--soft);font-size:.85rem;border-top:1px solid var(--line);padding-top:1rem}
footer a{color:var(--soft)}
@media (max-width:620px){ .hubgrid{grid-template-columns:1fr} }
.tiny{font-size:.78rem;color:var(--soft);font-weight:400}