/* 电脑版布局 */
.tb { position: sticky; top: 0; z-index: 20; height: 62px; background: rgba(255, 255, 255, .96); backdrop-filter: saturate(1.4) blur(6px); border-bottom: 1px solid var(--rule-2); display: flex; align-items: center; gap: 28px; padding: 0 max(24px, calc((100vw - 1180px) / 2)); }
.tb.app { padding: 0 24px; }
.topnav { display: flex; gap: 6px; }
.topnav a { color: var(--ink-2); padding: 6px 12px; border-radius: var(--r); font-size: 15px; }
.topnav a:hover, .topnav a.on { background: var(--paper); color: var(--ink); text-decoration: none; }
.tb-right { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.tb-right form { margin: 0; }
.bal { color: var(--ink-2); font-size: 14px; padding: 5px 12px; border: 1px solid var(--rule); border-radius: 16px; }
.bal b { color: var(--ink); font-variant-numeric: tabular-nums; }
.bal:hover { text-decoration: none; border-color: var(--ink); }
.who { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; }
.who small { color: var(--muted); margin-left: 4px; }

.shell { display: grid; grid-template-columns: 228px minmax(0, 1fr); max-width: 1320px; margin: 0 auto; min-height: calc(100vh - 62px - 60px); }
.side { position: sticky; top: 62px; align-self: start; height: calc(100vh - 62px); padding: 22px 16px; display: flex; flex-direction: column; gap: 18px; border-right: 1px solid var(--rule-2); }
.side-nav { display: grid; gap: 2px; }
.side-nav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: var(--r); color: var(--ink-2); font-size: 15px; }
.side-nav a:hover { background: #fff; text-decoration: none; color: var(--ink); }
.side-nav a.on { background: #fff; color: var(--ink); font-weight: 700; box-shadow: inset 3px 0 0 var(--seal), var(--shadow-sheet); }
.side-help { margin-top: auto; font-size: 13px; color: var(--muted); border-top: 1px solid var(--rule-2); padding-top: 14px; }
.side-help p { margin: 0 0 4px; display: flex; gap: 6px; align-items: center; }
.main { padding: 26px 34px 40px; min-width: 0; }

.pubmain { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.a-auth .pubmain { max-width: none; }

/* 首页 */
.home .hero { grid-template-columns: 1.08fr .92fr; padding: 64px 0 24px; min-height: 520px; }
.steps3 { grid-template-columns: repeat(3, 1fr); }
.split { grid-template-columns: 5fr 7fr; align-items: start; }
.cl-over { grid-template-columns: repeat(3, 1fr); align-items: start; }
.price-cta { justify-content: flex-end; }
.ft-in { grid-template-columns: 1.3fr 1fr 1.2fr; align-items: start; }
.narrow { padding: 36px 0 24px; }

/* 工作台与项目 */
.pgrid { display: grid; grid-template-columns: minmax(0, 1fr) 316px; gap: 22px; align-items: start; }
.paside { position: sticky; top: 82px; }
.regen .pgrid { grid-template-columns: minmax(0, 1fr) 290px; }
.regen .paside { top: 82px; }
.narrow-app { max-width: 820px; }
.narrow-app .card { padding: 24px 26px; }

@media (max-width: 1080px) {
  .pgrid, .regen .pgrid { grid-template-columns: 1fr; }
  .paside { position: static; }
  .home .hero { grid-template-columns: 1fr; }
  .hero-vis { max-width: 520px; }
  .cl-over { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--rule-2); }
  .side-help { display: none; }
  .main { padding: 18px 16px 32px; }
  .split, .steps3, .cl-over, .ft-in { grid-template-columns: 1fr; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .span2 { grid-column: auto; }
  .topnav { display: none; }
  .tb { padding: 0 16px; }
  .ready-card, .done-card, .wallet-card, .guide-card { grid-template-columns: 1fr; flex-direction: column; align-items: stretch; }
}