/* MKZZ 首页：深林绿底 + 荧光青柠强调；动画在 prefers-reduced-motion 下全部停止。 */
:root {
  --bg: #071a14;
  --bg-2: #0b2a20;
  --panel: rgba(16, 48, 37, .62);
  --panel-solid: #0f3326;
  --line: rgba(199, 230, 101, .14);
  --line-soft: rgba(233, 242, 236, .08);
  --text: #eaf3ed;
  --muted: #9db5a8;
  --dim: #6f8a7d;
  --lime: #c7e665;
  --lime-2: #e4f5a0;
  --teal: #7fd6b6;
  --amber: #f3bd57;
  --coral: #ff8f73;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body.lp { margin: 0; min-height: 100vh; color: var(--text); background: radial-gradient(120% 80% at 80% -10%, #154434 0%, transparent 55%), radial-gradient(90% 60% at -10% 30%, #0f3a2b 0%, transparent 60%), var(--bg); font: 15px/1.7 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
.lp-field { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: .75; }
main, .lp-nav, .lp-footer { position: relative; z-index: 1; }

/* 导航 */
.lp-nav { position: sticky; top: 0; z-index: 30; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; height: 72px; padding: 0 max(20px, calc((100vw - 1200px) / 2)); background: rgba(7, 26, 20, .55); backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%); border-bottom: 1px solid var(--line-soft); }
.lp-brand { display: flex; align-items: center; gap: 12px; }
.lp-mark { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(145deg, var(--lime), #8fc23f); box-shadow: 0 8px 30px rgba(199, 230, 101, .25); }
.lp-mark svg { width: 24px; height: 24px; fill: #0b2a20; }
.lp-mark .vein { fill: none; stroke: var(--lime-2); stroke-width: 2.4; stroke-linecap: round; }
.lp-brand strong { display: block; font-size: 17px; letter-spacing: .18em; font-weight: 800; line-height: 1.1; }
.lp-brand small { display: block; font-size: 10px; letter-spacing: .26em; color: var(--muted); }
.lp-nav nav { display: flex; gap: 30px; font-size: 13px; color: var(--muted); }
.lp-nav nav a { position: relative; transition: color .2s; }
.lp-nav nav a:hover { color: var(--text); }
.lp-auth { justify-self: end; display: flex; gap: 10px; }
.lp-auth a { display: inline-flex; align-items: center; min-height: 38px; padding: 0 16px; border-radius: 10px; font-size: 13px; font-weight: 700; transition: transform .2s, background .2s, border-color .2s; }
.lp-login { border: 1px solid var(--line); color: var(--text); }
.lp-login:hover { border-color: var(--lime); }
.lp-register { background: var(--lime); color: #0b2a20; }
.lp-register:hover { transform: translateY(-1px); }

/* 首屏 */
.lp-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: clamp(36px, 6vw, 90px); padding: clamp(56px, 9vh, 110px) max(20px, calc((100vw - 1200px) / 2)) 70px; }
.lp-hero-copy { min-width: 0; }
.lp-kicker { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px; padding: 6px 14px 6px 10px; border: 1px solid var(--line); border-radius: 999px; background: rgba(199, 230, 101, .06); color: var(--lime-2); font-size: 12px; letter-spacing: .08em; }
.lp-kicker i { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 0 rgba(199, 230, 101, .6); animation: lp-ping 2s infinite; }
.lp-hero h1 { margin: 0; font-size: clamp(44px, 6.2vw, 84px); line-height: 1.04; letter-spacing: -.02em; font-weight: 800; text-wrap: balance; }
.lp-grad { background: linear-gradient(100deg, var(--lime) 0%, var(--lime-2) 40%, var(--teal) 70%, var(--lime) 100%); background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: lp-shine 7s ease-in-out infinite; }
.lp-lede { max-width: 560px; margin: 26px 0 0; color: var(--muted); font-size: clamp(15px, 1.3vw, 17px); line-height: 1.85; }
.lp-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.lp-cta.center { justify-content: center; }
.lp-btn { display: inline-flex; align-items: center; gap: 14px; min-height: 52px; padding: 0 24px; border-radius: 14px; font-weight: 800; font-size: 15px; transition: transform .25s cubic-bezier(.2, .8, .2, 1), box-shadow .25s, background .25s, border-color .25s; }
.lp-btn.primary { background: var(--lime); color: #0b2a20; box-shadow: 0 14px 40px -12px rgba(199, 230, 101, .55); }
.lp-btn.primary:hover { transform: translateY(-2px); box-shadow: 0 20px 50px -12px rgba(199, 230, 101, .7); }
.lp-btn.primary b { transition: transform .25s; }
.lp-btn.primary:hover b { transform: translateX(4px); }
.lp-btn.ghost { border: 1px solid var(--line); color: var(--text); }
.lp-btn.ghost:hover { border-color: var(--lime); background: rgba(199, 230, 101, .06); }
.lp-btn:focus-visible, .lp-tabs button:focus-visible, .lp-auth a:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }
.lp-stats { display: flex; flex-wrap: wrap; gap: 14px 40px; margin: 46px 0 0; }
.lp-stats div { display: grid; grid-template-columns: auto auto; align-items: baseline; column-gap: 6px; }
.lp-stats dt { grid-column: 1 / -1; color: var(--dim); font-size: 12px; letter-spacing: .06em; }
.lp-stats dd { margin: 0; font: 800 34px/1.2 var(--mono); color: var(--text); font-variant-numeric: tabular-nums; }
.lp-stats span { color: var(--muted); font-size: 13px; }

/* 演示控制台 */
.lp-console { position: relative; min-width: 0; padding: 22px; border-radius: 28px; background: linear-gradient(160deg, rgba(25, 70, 54, .78), rgba(10, 36, 27, .82)); border: 1px solid var(--line); box-shadow: 0 40px 120px -40px rgba(0, 0, 0, .8), inset 0 1px 0 rgba(255, 255, 255, .06); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); transform-style: preserve-3d; transition: transform .6s cubic-bezier(.2, .8, .2, 1); }
.lp-console-glow { position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: conic-gradient(from var(--angle, 0deg), transparent 0 70%, rgba(199, 230, 101, .7) 80%, transparent 90%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; animation: lp-orbit 6s linear infinite; }
@property --angle { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
.lp-console-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.lp-tabs { display: flex; gap: 4px; padding: 4px; border-radius: 12px; background: rgba(0, 0, 0, .22); }
.lp-tabs button { border: 0; padding: 7px 14px; border-radius: 9px; background: transparent; color: var(--muted); font: 700 13px var(--font); cursor: pointer; transition: background .3s, color .3s; }
.lp-tabs button[aria-selected="true"] { background: var(--lime); color: #0b2a20; }
.lp-live { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.lp-live i { width: 7px; height: 7px; border-radius: 50%; background: var(--coral); animation: lp-blink 1.4s infinite; }
.lp-progress { height: 2px; margin: 14px 0 0; border-radius: 2px; background: rgba(255, 255, 255, .06); overflow: hidden; }
.lp-progress i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--teal), var(--lime)); }
.lp-space { margin: 16px 0 12px; font-size: 13px; color: var(--muted); letter-spacing: .04em; transition: opacity .35s; }
.lp-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.lp-metric { position: relative; padding: 14px 16px 10px; border-radius: 16px; background: rgba(0, 0, 0, .2); border: 1px solid var(--line-soft); overflow: hidden; transition: border-color .4s, background .4s; }
.lp-metric span { display: block; font-size: 12px; color: var(--muted); }
.lp-metric b { display: flex; align-items: baseline; gap: 5px; margin-top: 2px; }
.lp-metric em { font: 800 30px/1.15 var(--mono); font-style: normal; font-variant-numeric: tabular-nums; color: var(--text); }
.lp-metric small { color: var(--dim); font-size: 12px; }
.lp-metric svg { display: block; width: 100%; height: 26px; margin-top: 4px; }
.lp-metric path { fill: none; stroke: var(--teal); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; opacity: .85; }
.lp-metric.warn { border-color: rgba(243, 189, 87, .5); background: rgba(243, 189, 87, .07); }
.lp-metric.warn em { color: var(--amber); }
.lp-metric.warn path { stroke: var(--amber); }
.lp-metric.warn::after { content: "需关注"; position: absolute; top: 12px; right: 12px; padding: 1px 8px; border-radius: 999px; background: rgba(243, 189, 87, .16); color: var(--amber); font-size: 11px; font-weight: 700; }
.lp-ai { margin-top: 12px; padding: 14px 16px; border-radius: 16px; background: linear-gradient(120deg, rgba(127, 214, 182, .1), rgba(199, 230, 101, .06)); border: 1px solid rgba(127, 214, 182, .2); }
.lp-ai-tag { display: inline-block; padding: 1px 9px; border-radius: 999px; background: rgba(127, 214, 182, .16); color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: .06em; }
.lp-ai p { min-height: 3.4em; margin: 8px 0 0; font-size: 14px; line-height: 1.7; }
.lp-ai p::after { content: ""; display: inline-block; width: 2px; height: 1em; margin-left: 2px; vertical-align: -2px; background: var(--teal); animation: lp-caret 1s steps(1) infinite; }
.lp-action { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 12px; margin-top: 12px; padding: 12px 14px; border-radius: 16px; background: rgba(199, 230, 101, .08); border: 1px solid var(--line); }
.lp-action-icon { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 11px; background: var(--lime); }
.lp-action-icon svg { width: 18px; height: 18px; fill: none; stroke: #0b2a20; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.lp-action-body { min-width: 0; }
.lp-action-body strong { display: block; font-size: 15px; }
.lp-action-body span { display: block; color: var(--muted); font-size: 12px; }
.lp-action-state { padding: 5px 10px; border-radius: 999px; font: 700 12px var(--mono); white-space: nowrap; background: rgba(255, 255, 255, .06); color: var(--muted); transition: background .3s, color .3s; }
.lp-action-state.run { background: rgba(127, 214, 182, .16); color: var(--teal); }
.lp-action-state.done { background: rgba(199, 230, 101, .18); color: var(--lime); }
.lp-console .swap { animation: lp-swap .55s cubic-bezier(.2, .8, .2, 1); }

/* 能力跑马灯 */
.lp-strip { border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: rgba(0, 0, 0, .18); overflow: hidden; }
.lp-marquee { -webkit-mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.lp-marquee-track { display: flex; width: max-content; gap: 46px; padding: 20px 0; animation: lp-marquee 42s linear infinite; }
.lp-marquee span { color: var(--muted); font-size: 14px; white-space: nowrap; }
.lp-marquee span::before { content: "◆"; margin-right: 12px; color: var(--lime); font-size: 9px; vertical-align: 2px; }

/* 通用区块 */
.lp-section { padding: clamp(80px, 12vh, 130px) max(20px, calc((100vw - 1200px) / 2)); }
.lp-heading { max-width: 760px; margin-bottom: 52px; }
.lp-heading p { margin: 0 0 14px; color: var(--lime); font-size: 12px; font-weight: 800; letter-spacing: .22em; }
.lp-heading h2 { margin: 0; font-size: clamp(32px, 4.2vw, 54px); line-height: 1.12; letter-spacing: -.01em; font-weight: 800; text-wrap: balance; }
.lp-heading span { display: block; max-width: 620px; margin-top: 18px; color: var(--muted); font-size: 16px; }

/* 空间类型 */
.lp-spaces { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.lp-space-card { position: relative; padding: 26px 22px; border-radius: 22px; background: var(--panel); border: 1px solid var(--line-soft); overflow: hidden; transition: transform .45s cubic-bezier(.2, .8, .2, 1), border-color .3s; }
.lp-space-card::before { content: ""; position: absolute; inset: auto -40% -60% auto; width: 180px; height: 180px; border-radius: 50%; background: radial-gradient(circle, rgba(199, 230, 101, .18), transparent 70%); opacity: 0; transition: opacity .45s; }
.lp-space-card:hover { transform: translateY(-6px); border-color: var(--line); }
.lp-space-card:hover::before { opacity: 1; }
.lp-space-card i { display: block; width: 44px; height: 44px; margin-bottom: 22px; border-radius: 14px; background-color: rgba(199, 230, 101, .1); background-position: center; background-size: 26px; background-repeat: no-repeat; }
.lp-space-card h3 { margin: 0; font-size: 19px; }
.lp-space-card p { margin: 10px 0 0; color: var(--muted); font-size: 13.5px; line-height: 1.75; }
.ico-greenhouse { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c7e665' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 20V10l9-6 9 6v10'/%3E%3Cpath d='M3 20h18M8 20v-6h8v6M12 4v16'/%3E%3C/svg%3E"); }
.ico-field { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c7e665' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M2 20h20M5 20c0-5 2-8 2-8M12 20c0-6 0-10 0-10M19 20c0-5-2-8-2-8'/%3E%3Ccircle cx='18' cy='5' r='2.5'/%3E%3C/svg%3E"); }
.ico-balcony { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c7e665' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8 21h8l1-6H7l1 6z'/%3E%3Cpath d='M12 15c0-4 2-6 5-7-1 3-2 5-5 7zM12 15c0-3-2-5-5-6 1 3 2 5 5 6z'/%3E%3C/svg%3E"); }
.ico-indoor { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c7e665' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='3'/%3E%3Cpath d='M7 17h10M9 17v-3M15 17v-3M12 14c0-3 1-5 3-6M12 14c0-2-1-4-3-5'/%3E%3C/svg%3E"); }
.ico-trial { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c7e665' stroke-width='1.8' stroke-linecap='round'%3E%3Crect x='3' y='3' width='8' height='8' rx='1.5'/%3E%3Crect x='13' y='3' width='8' height='8' rx='1.5'/%3E%3Crect x='3' y='13' width='8' height='8' rx='1.5'/%3E%3Crect x='13' y='13' width='8' height='8' rx='1.5'/%3E%3C/svg%3E"); }

/* 工作方式：数据流动 */
.lp-pipeline { display: grid; grid-template-columns: minmax(0, 1fr) 90px minmax(0, 1fr) 90px minmax(0, 1fr); align-items: stretch; }
.lp-node { position: relative; padding: 30px 26px; border-radius: 24px; background: var(--panel); border: 1px solid var(--line-soft); min-width: 0; }
.lp-node b { font: 800 13px var(--mono); color: var(--lime); letter-spacing: .1em; }
.lp-node h3 { margin: 8px 0 0; font-size: 24px; }
.lp-node p { margin: 12px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.lp-node-viz { height: 54px; margin-top: 22px; display: flex; align-items: flex-end; gap: 6px; }
.lp-viz-signal i { flex: 1; border-radius: 4px 4px 0 0; background: linear-gradient(var(--teal), rgba(127, 214, 182, .1)); animation: lp-bars 1.8s ease-in-out infinite; }
.lp-viz-signal i:nth-child(2) { animation-delay: .15s; } .lp-viz-signal i:nth-child(3) { animation-delay: .3s; } .lp-viz-signal i:nth-child(4) { animation-delay: .45s; } .lp-viz-signal i:nth-child(5) { animation-delay: .6s; }
.lp-viz-think { align-items: center; justify-content: flex-start; gap: 10px; }
.lp-viz-think i { width: 14px; height: 14px; border-radius: 50%; background: var(--teal); animation: lp-think 1.4s ease-in-out infinite; }
.lp-viz-think i:nth-child(2) { animation-delay: .2s; } .lp-viz-think i:nth-child(3) { animation-delay: .4s; }
.lp-viz-check { align-items: center; }
.lp-viz-check svg { width: 48px; height: 48px; padding: 10px; border-radius: 14px; background: rgba(199, 230, 101, .14); fill: none; stroke: var(--lime); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.lp-viz-check path { stroke-dasharray: 24; stroke-dashoffset: 24; animation: lp-draw 2.4s ease-in-out infinite; }
.lp-flow { position: relative; align-self: center; height: 2px; margin: 0 8px; background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px); }
.lp-flow i { position: absolute; top: -4px; left: 0; width: 10px; height: 10px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 18px var(--lime); animation: lp-travel 2.4s cubic-bezier(.6, 0, .4, 1) infinite; }

/* 硬件 & 摄像头 */
.lp-duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.lp-feature { display: grid; align-content: space-between; gap: 28px; padding: 34px; border-radius: 28px; background: var(--panel); border: 1px solid var(--line-soft); min-width: 0; }
.lp-eyebrow { margin: 0 0 12px; color: var(--lime); font-size: 12px; font-weight: 800; letter-spacing: .14em; }
.lp-feature h3 { margin: 0; font-size: clamp(24px, 2.4vw, 32px); line-height: 1.25; text-wrap: balance; }
.lp-feature-copy > p:last-child { margin: 14px 0 0; color: var(--muted); font-size: 14.5px; line-height: 1.85; }
.lp-device { display: grid; gap: 12px; padding: 20px; border-radius: 22px; background: linear-gradient(160deg, #0d2b21, #081c15); border: 1px solid var(--line-soft); }
.lp-device-screen { padding: 18px; border-radius: 14px; background: #031009; border: 1px solid rgba(127, 214, 182, .25); text-align: center; font-family: var(--mono); }
.lp-device-screen small { display: block; color: var(--dim); font-size: 11px; letter-spacing: .2em; }
.lp-device-screen strong { display: block; margin-top: 6px; color: var(--teal); font-size: 34px; letter-spacing: .14em; text-shadow: 0 0 18px rgba(127, 214, 182, .55); }
.lp-pair-state { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; transition: color .3s; }
.lp-pair-state.ok { color: var(--lime); }
.lp-relay, .lp-usage { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }
.lp-relay b, .lp-usage b { font: 700 13px var(--mono); color: var(--text); font-variant-numeric: tabular-nums; }
.lp-relay-bar, .lp-usage-bar { height: 8px; border-radius: 8px; background: rgba(255, 255, 255, .07); overflow: hidden; }
.lp-relay-bar i, .lp-usage-bar i { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--teal), var(--lime)); transition: width .9s linear; }
.lp-cam { display: grid; gap: 14px; }
.lp-cam-view { position: relative; aspect-ratio: 16 / 9; max-width: 100%; border-radius: 18px; overflow: hidden; background: radial-gradient(circle at 30% 40%, #2c5a3c, #0e2a1d 70%); border: 1px solid var(--line-soft); }
.lp-cam-scene { position: absolute; inset: 0; transform-origin: 62% 48%; animation: lp-zoom 9s ease-in-out infinite; }
.lp-cam-scene .leaf { position: absolute; border-radius: 0 70% 0 70%; background: linear-gradient(135deg, #5fa25a, #2f6b34); opacity: .9; }
.leaf.l1 { width: 42%; height: 46%; left: 6%; top: 18%; transform: rotate(-18deg); }
.leaf.l2 { width: 38%; height: 40%; right: 4%; top: 6%; transform: rotate(22deg); }
.leaf.l3 { width: 34%; height: 38%; left: 34%; bottom: -6%; transform: rotate(8deg); opacity: .75; }
.lp-cam-scene .fruit { position: absolute; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #ff9a7a, #d9452e 60%, #8e2416); box-shadow: 0 6px 18px rgba(0, 0, 0, .35); }
.fruit.f1 { width: 13%; aspect-ratio: 1; left: 55%; top: 40%; }
.fruit.f2 { width: 10%; aspect-ratio: 1; left: 66%; top: 52%; }
.lp-cam-rec, .lp-cam-zoom { position: absolute; top: 12px; padding: 3px 9px; border-radius: 8px; background: rgba(0, 0, 0, .45); font: 700 11px var(--mono); letter-spacing: .06em; }
.lp-cam-rec { left: 12px; color: #ffb4a3; }
.lp-cam-zoom { right: 12px; color: var(--text); }

/* 结尾 */
.lp-final { margin: 0 max(20px, calc((100vw - 1200px) / 2)) 90px; padding: clamp(56px, 8vw, 96px) 24px; border-radius: 36px; text-align: center; background: radial-gradient(80% 120% at 50% 0%, rgba(199, 230, 101, .16), transparent 60%), var(--panel-solid); border: 1px solid var(--line); }
.lp-final > p { margin: 0 0 14px; color: var(--lime); font-size: 12px; font-weight: 800; letter-spacing: .22em; }
.lp-final h2 { margin: 0; font-size: clamp(30px, 4vw, 50px); line-height: 1.15; }
.lp-final > span { display: block; max-width: 560px; margin: 18px auto 0; color: var(--muted); }
.lp-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding: 26px max(20px, calc((100vw - 1200px) / 2)); border-top: 1px solid var(--line-soft); color: var(--dim); font-size: 12px; }

/* 进场：内容默认可见；只有脚本运行时才先隐藏再淡入 */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s cubic-bezier(.2, .8, .2, 1), transform .9s cubic-bezier(.2, .8, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }
.js .lp-spaces .reveal:nth-child(2) { transition-delay: .08s; } .js .lp-spaces .reveal:nth-child(3) { transition-delay: .16s; }
.js .lp-spaces .reveal:nth-child(4) { transition-delay: .24s; } .js .lp-spaces .reveal:nth-child(5) { transition-delay: .32s; }

@keyframes lp-ping { 0% { box-shadow: 0 0 0 0 rgba(199, 230, 101, .6); } 80%, 100% { box-shadow: 0 0 0 10px rgba(199, 230, 101, 0); } }
@keyframes lp-shine { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@keyframes lp-orbit { to { --angle: 360deg; } }
@keyframes lp-blink { 50% { opacity: .25; } }
@keyframes lp-caret { 50% { opacity: 0; } }
@keyframes lp-swap { from { opacity: 0; transform: translateY(8px); filter: blur(4px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes lp-marquee { to { transform: translateX(-50%); } }
@keyframes lp-bars { 0%, 100% { height: 30%; } 50% { height: 100%; } }
@keyframes lp-think { 0%, 100% { transform: scale(.6); opacity: .4; } 50% { transform: scale(1); opacity: 1; } }
@keyframes lp-draw { 0% { stroke-dashoffset: 24; } 40%, 80% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: 24; } }
@keyframes lp-travel { 0% { left: 0; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { left: calc(100% - 10px); opacity: 0; } }
@keyframes lp-zoom { 0%, 15% { transform: scale(1); } 45%, 65% { transform: scale(1.9); } 95%, 100% { transform: scale(1); } }

@media (max-width: 1080px) {
  .lp-hero { grid-template-columns: 1fr; }
  .lp-spaces { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lp-duo { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .lp-nav { grid-template-columns: 1fr auto; height: 64px; }
  .lp-nav nav { display: none; }
  .lp-brand small { display: none; }
  .lp-auth a { padding: 0 12px; min-height: 36px; }
  .lp-pipeline { grid-template-columns: 1fr; gap: 0; }
  .lp-flow { width: 2px; height: 46px; margin: 0 auto; background: repeating-linear-gradient(180deg, var(--line) 0 6px, transparent 6px 12px); }
  .lp-flow i { left: -4px; animation-name: lp-travel-v; }
  .lp-spaces { grid-template-columns: 1fr; }
  .lp-feature { padding: 22px; }
  .lp-console { padding: 16px; border-radius: 22px; }
  .lp-metric em { font-size: 24px; }
  .lp-action { grid-template-columns: auto minmax(0, 1fr); }
  .lp-action-state { grid-column: 2; justify-self: start; }
  .lp-stats { gap: 14px 28px; }
}
@keyframes lp-travel-v { 0% { top: 0; opacity: 0; } 15%, 85% { opacity: 1; } 100% { top: calc(100% - 10px); opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .lp-field { display: none; }
  .js .reveal { opacity: 1; transform: none; }
}