/* 步驟快速導航：左側收合面板（手機優先） */
.follow-step{scroll-margin-top:84px}
.rn-fab{position:fixed;left:14px;bottom:18px;z-index:60;display:inline-flex;align-items:center;gap:6px;
  background:#2f2a24;color:#fff;border:none;border-radius:999px;padding:13px 18px;font-size:16px;font-weight:800;
  box-shadow:0 6px 20px rgba(0,0,0,.28);cursor:pointer}
.rn-fab:active{transform:scale(.96)}
.rn-scrim{position:fixed;inset:0;background:rgba(20,16,12,.45);z-index:70;opacity:0;pointer-events:none;transition:opacity .25s}
.rn-scrim.open{opacity:1;pointer-events:auto}
.rn-drawer{position:fixed;top:0;left:0;bottom:0;z-index:80;width:min(330px,86vw);background:#faf8f3;
  transform:translateX(-102%);transition:transform .28s ease;display:flex;flex-direction:column;
  box-shadow:4px 0 24px rgba(0,0,0,.18)}
.rn-drawer.open{transform:translateX(0)}
.rn-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 12px;border-bottom:2px solid #e7e0d2}
.rn-drawer-head strong{font-size:17px}
.rn-drawer-head small{display:block;color:#8a8474;font-weight:400;font-size:12px;margin-top:2px}
.rn-close{border:none;background:#ece7db;width:36px;height:36px;border-radius:50%;font-size:18px;cursor:pointer;color:#2f2a24}
.rn-list{list-style:none;margin:0;padding:8px 0 24px;overflow-y:auto;flex:1}
.rn-list a{display:flex;align-items:center;gap:12px;padding:11px 16px;text-decoration:none;color:#2f2a24;border-left:4px solid transparent}
.rn-list a.active{background:#fff3df;border-left-color:#e8a33d}
.rn-num{flex:none;width:30px;height:30px;border-radius:50%;background:#e7e0d2;color:#5c554a;font-size:14px;font-weight:800;
  display:flex;align-items:center;justify-content:center}
.rn-list a.active .rn-num{background:#e8a33d;color:#fff}
.rn-title{flex:1;font-size:15px;font-weight:700;line-height:1.35}
.rn-meta{flex:none;font-size:11px;color:#8a5a00;background:#fff7e6;border:1px solid #e8a33d;border-radius:999px;padding:2px 8px;white-space:nowrap}
.rn-top{margin:8px 16px 4px;display:block;text-align:center;font-size:13px;color:#8a8474;text-decoration:none}
@media (min-width:900px){.rn-fab{left:24px;bottom:24px}}