.fg-app-shell{width:min(1500px,100%);margin:0 auto;padding:14px;display:grid;grid-template-columns:230px minmax(0,1fr);gap:16px;align-items:start}.fg-sidebar{position:sticky;top:14px;height:calc(100dvh - 28px);display:flex;flex-direction:column;padding:15px;border:1px solid var(--line-strong);border-radius:24px;background:rgba(255,255,255,.97);box-shadow:var(--shadow);overflow:hidden}.fg-side-brand{display:flex;align-items:center;gap:10px}.fg-side-brand img{width:58px;height:58px;object-fit:contain}.fg-side-brand strong{display:block;font-size:1.18rem}.fg-side-brand small{display:block;margin-top:2px;font-size:.61rem;letter-spacing:.11em;color:#198e9d;font-weight:900}.fg-side-nav{display:grid;gap:7px;margin-top:20px}.fg-side-nav button{display:grid;grid-template-columns:32px minmax(0,1fr);align-items:center;gap:9px;min-height:47px;padding:7px 10px;border:1px solid var(--line);border-radius:14px;background:#fff;color:#294b5d;text-align:left;font-weight:850}.fg-side-nav button span{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:#eff7f9}.fg-side-nav button span img{width:17px;height:17px}.fg-side-nav button.active{background:linear-gradient(135deg,#199bc8,#20aaa0);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(28,151,171,.20)}.fg-side-nav button.active img{filter:brightness(0) invert(1)}.fg-side-player{margin-top:auto;display:grid;gap:7px}.fg-side-account{display:flex;align-items:center;gap:8px;min-height:44px;padding:7px 9px;border:1px solid var(--line);border-radius:13px;background:#fff;color:#27485a;font-weight:850}.fg-side-account img{width:24px;height:24px}.fg-side-mini{display:grid;grid-template-columns:1fr 1fr;gap:6px}.fg-side-mini button{min-height:38px;border:1px solid var(--line);border-radius:11px;background:#f9fbfc;color:#395869;font-weight:800;font-size:.7rem}.fg-mobile-nav{display:none}.fg-content-shell{min-width:0;display:flex;flex-direction:column;gap:11px}.fg-content-top{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;padding:3px 3px 0}.fg-content-top.compact{align-items:center}.fg-top-copy small{font-size:.62rem;letter-spacing:.16em;color:#118d9d;font-weight:900}.fg-top-copy h1{margin:4px 0 6px;font-size:clamp(2rem,3vw,2.7rem);line-height:1}.fg-top-copy p{margin:0;max-width:720px;color:#5f7785;font-size:.87rem;line-height:1.4}.fg-top-actions{display:flex;gap:8px;flex-wrap:wrap}.fg-top-actions button{min-height:42px;padding:0 15px}.fg-page-footer{display:flex;justify-content:space-between;align-items:center;color:#70838d;font-size:.68rem;padding:1px 3px}.fg-page-footer b{color:#16899b}.fg-how-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.fg-how-card{position:relative;min-height:210px;padding:14px;border:1px solid var(--line);border-radius:19px;background:#fff;box-shadow:var(--shadow-soft)}.how-number{position:absolute;left:12px;top:12px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#169bc7;color:#fff;font-size:.72rem;font-weight:900}.fg-how-art{height:105px;margin:3px 0 10px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(145deg,#e9f7dd,#cde8ac);overflow:hidden}.fg-how-card h2{margin:0 0 6px;font-size:1rem}.fg-how-card p{margin:0;color:var(--muted);font-size:.78rem;line-height:1.4}.how-mini-line{width:90%;height:86%;display:grid;grid-template-columns:repeat(3,1fr);align-items:center}.how-mini-line>*{width:100%;height:100%}.how-big-piece{position:relative;width:88px;height:88px}.how-big-piece .pipe-piece{width:100%;height:100%}.how-cursor{position:absolute;right:-3px;bottom:-3px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#168da1;font-weight:900;box-shadow:0 5px 14px rgba(18,65,86,.18)}.how-rotate-icon{position:absolute;right:-4px;bottom:-4px;width:30px;height:30px;padding:6px;border-radius:50%;background:#fff;box-shadow:0 5px 14px rgba(18,65,86,.18)}.how-obstacles{display:flex;align-items:center;gap:13px}.how-obstacles img{width:44px;height:44px}.how-stars{font-size:2.3rem;color:#f1b832;letter-spacing:.05em;text-shadow:0 2px 0 #aa7914}.how-source{width:86px;height:86px}.how-source>*{width:100%;height:100%}.fg-guide-tip{display:flex;align-items:center;gap:9px;padding:10px 13px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:var(--shadow-soft);color:#506d7c;font-size:.78rem}.fg-guide-tip img{width:24px;height:24px}.journey-current-card{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:14px;padding:18px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow-soft)}.journey-current-copy small,.journey-history-head small,.journey-progress-card small{font-size:.59rem;letter-spacing:.14em;color:#178c9c;font-weight:900}.journey-current-copy h2{margin:4px 0;font-size:1.75rem}.journey-current-copy span{color:var(--muted);font-size:.78rem}.journey-current-badge{width:68px;height:68px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,#1599cb,#22aa9e);color:#fff}.journey-current-badge span{font-size:1.45rem;font-weight:900}.journey-play{min-width:102px;min-height:42px}.journey-progress-card{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.journey-progress-card>div{padding:10px 11px;border:1px solid var(--line);border-radius:14px;background:#fff}.journey-history{margin-top:3px}.journey-history-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:7px}.journey-history-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:7px}.journey-history-node{min-height:64px;padding:8px;border:1px solid var(--line);border-radius:13px;background:#fff;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;text-align:left}.journey-history-node>span{font-weight:900}.journey-history-node>b{color:#d3a52b}.journey-history-node>small{grid-column:1/-1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--muted);font-size:.54rem}.journey-empty{padding:16px;border:1px dashed var(--line-strong);border-radius:14px;color:var(--muted)}

/* v0.52 sidebar logo plate */
.fg-side-brand img{
  width:62px;
  height:62px;
  padding:6px;
  border-radius:16px;
  background:
    radial-gradient(circle at 35% 22%,rgba(63,221,255,.20),transparent 40%),
    linear-gradient(145deg,#082f49,#0b5878 62%,#0d6f85);
  border:1px solid rgba(30,111,141,.48);
  box-shadow:0 7px 16px rgba(8,50,73,.16),inset 0 1px 0 rgba(255,255,255,.09);
  filter:none;
}