/* 落地页 / 增长页公共样式（叠加在 site.css 之上） */
.hero { padding: 48px 0 28px; display: grid; grid-template-columns: 1.15fr 1fr; gap: 36px; align-items: center; }
.hero h1 { font-size: 42px; line-height: 1.18; margin: 0 0 14px; letter-spacing: -0.01em; }
.hero h1 em { font-style: normal; color: var(--seal); }
.hero .lead { font-size: 18px; color: var(--muted); margin: 0 0 22px; max-width: 34em; }
.cta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.cta .btn { padding: 13px 22px; font-size: 16px; }
.cta-note { color: var(--muted); font-size: 13px; margin-top: 8px; }
.demo { background: #111; border-radius: 14px; aspect-ratio: 16/10; position: relative; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,.18); }
.demo .live { position: absolute; top: 14px; left: 14px; background: var(--seal); color: #fff; font-size: 12px; padding: 3px 8px; border-radius: 6px; font-weight: 600; }
.demo .sync { position: absolute; top: 14px; right: 14px; background: rgba(255,255,255,.12); color: #fff; font-size: 12px; padding: 3px 8px; border-radius: 6px; }
.demo .sub { position: absolute; left: 50%; bottom: 16%; transform: translateX(-50%); background: rgba(0,0,0,.65); color: #fff; padding: 8px 16px; border-radius: 6px; font-size: 16px; white-space: nowrap; }
.demo .src { position: absolute; left: 50%; bottom: 8%; transform: translateX(-50%); color: rgba(255,255,255,.6); font-size: 12px; white-space: nowrap; }
.demo .bar { position: absolute; left: 0; right: 0; bottom: 0; height: 6px; background: #333; } .demo .bar i { display: block; width: 38%; height: 100%; background: var(--seal); }
.demo.small { aspect-ratio: 16/9; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card h3 { margin: 0 0 6px; font-size: 17px; } .card p { margin: 0; color: var(--muted); font-size: 14px; }
.steps { counter-reset: s; }
.steps .card::before { counter-increment: s; content: counter(s); display: inline-flex; width: 26px; height: 26px; border-radius: 50%; background: var(--seal-soft); color: var(--seal); font-weight: 700; align-items: center; justify-content: center; margin-bottom: 10px; font-size: 13px; }
.scenes { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; padding-left: 18px; color: var(--muted); }
.scenes li { margin: 4px 0; }
.cmp { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.cmp th, .cmp td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp th { background: var(--paper); font-weight: 600; } .cmp td:first-child { font-weight: 600; width: 22%; } .cmp td.ok { color: var(--ok); } .cmp td.bad { color: var(--muted); }
.pit { border-left: 3px solid var(--seal); padding: 6px 14px; margin: 10px 0; background: var(--card); border-radius: 0 10px 10px 0; font-size: 14px; }
.pit b { display: block; }
.price-strip { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 20px; }
.price-strip .big { font-size: 30px; font-weight: 700; } .price-strip small { color: var(--muted); }
.tag-line { font-size: 13px; color: var(--muted); }
.kbd { font-family: ui-monospace, Menlo, Consolas, monospace; background: var(--paper); padding: 1px 6px; border-radius: 4px; font-size: 12px; }
.choice { display: flex; flex-direction: column; gap: 8px; }
.choice label { display: flex; gap: 10px; align-items: center; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer; }
.choice label:hover { border-color: var(--seal); }
.big-num { font-size: 56px; font-weight: 700; line-height: 1; color: var(--seal); }
.hot-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.hot-item { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.hot-item b { display: block; margin-bottom: 4px; }
.share-body h2 { font-size: 20px; margin: 22px 0 8px; } .share-body h3 { font-size: 16px; margin: 16px 0 6px; } .share-body ul { padding-left: 20px; } .share-body li { margin: 6px 0; } .share-body .ts { font-family: ui-monospace, Menlo, monospace; font-size: 12px; background: var(--seal-soft); color: var(--seal); padding: 1px 6px; border-radius: 4px; margin-left: 4px; }
.footer-cta { background: var(--seal); color: #fff; border-radius: 14px; padding: 22px 26px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin: 30px 0; }
.footer-cta .btn { background: #fff; color: var(--seal); border-color: #fff; }
@media (max-width: 800px) { .hero, .grid3, .scenes { grid-template-columns: 1fr; } .hero h1 { font-size: 32px; } }