/* ============ 爱聊直播 · 落地页 ============ */
:root{
  --lp-bg:#0a0a0e;
  --lp-bg2:#121218;
  --lp-card:#16161d;
  --lp-line:rgba(255,255,255,.08);
  --lp-text:#f2f3f7;
  --lp-dim:rgba(242,243,247,.62);
  --lp-dim2:rgba(242,243,247,.38);
  --lp-gold:#f6c86a;
  --lp-gold2:#e0a33c;
  --lp-rose:#ff6b8a;
  --lp-grad:linear-gradient(100deg,#f6c86a,#ff9a62 40%,#ff6b8a);
  --lp-r:16px;
  --lp-u:1px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:var(--lp-bg);color:var(--lp-text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",Arial,sans-serif;}
body{line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.lp{max-width:520px;margin:0 auto;background:var(--lp-bg);min-height:100vh;position:relative}
.lp:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(60% 30% at 80% -5%,rgba(246,200,106,.12),transparent 70%),
             radial-gradient(50% 25% at 10% 8%,rgba(255,107,138,.10),transparent 70%)}
.lp>*{position:relative;z-index:1}

/* 顶栏 */
.lp-nav{display:flex;align-items:center;justify-content:space-between;
  padding:calc(env(safe-area-inset-top) + 14px) 18px 12px;position:sticky;top:0;z-index:20;
  background:linear-gradient(180deg,rgba(10,10,14,.92),rgba(10,10,14,.55) 70%,transparent);
  backdrop-filter:blur(10px)}
.lp-brand{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:800;letter-spacing:.02em}
.lp-brand i{width:22px;height:22px;border-radius:7px;background:var(--lp-grad);
  box-shadow:0 4px 14px rgba(246,200,106,.35);display:block;position:relative}
.lp-brand i:after{content:"";position:absolute;inset:6px 5px 6px 8px;
  border-left:2px solid #1a1206;border-top:2px solid #1a1206;transform:rotate(45deg)}
.lp-nav .lp-cta{padding:8px 14px;font-size:13px}

/* 通用按钮 */
.lp-cta{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:13px 22px;border-radius:999px;background:var(--lp-grad);color:#1a1206;
  font-weight:800;font-size:15px;box-shadow:0 10px 26px -10px rgba(246,200,106,.75)}
.lp-ghost{display:inline-flex;align-items:center;justify-content:center;
  padding:12px 20px;border-radius:999px;border:1px solid var(--lp-line);
  color:var(--lp-text);font-weight:600;font-size:14px;background:rgba(255,255,255,.03)}

/* Hero */
.lp-hero{position:relative;margin:0 0 6px;overflow:hidden}
.lp-hero-media{position:absolute;inset:0;z-index:0}
.lp-hero-media img{width:100%;height:100%;object-fit:cover;object-position:50% 26%;
  filter:saturate(1.05) brightness(.62)}
.lp-hero-media:after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,10,14,.25) 0%,rgba(10,10,14,.55) 45%,var(--lp-bg) 96%)}
.lp-hero-body{position:relative;z-index:1;padding:clamp(64px,22vw,110px) 20px 26px}
.lp-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  color:#1a1206;background:var(--lp-grad);padding:5px 11px;border-radius:999px}
.lp-hero h1{margin:16px 0 0;font-size:clamp(30px,8.6vw,40px);line-height:1.16;
  letter-spacing:-.02em;font-weight:900}
.lp-hero h1 em{font-style:normal;background:var(--lp-grad);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.lp-hero p{margin:14px 0 0;color:var(--lp-dim);font-size:14.5px;max-width:34ch}
.lp-actions{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.lp-trust{display:flex;gap:16px;flex-wrap:wrap;margin-top:20px;color:var(--lp-dim2);font-size:12px}
.lp-trust span{display:inline-flex;align-items:center;gap:5px}
.lp-trust span:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--lp-gold)}

/* 区块 */
.lp-section{padding:26px 18px 6px}
.lp-sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.lp-sec-head h2{margin:0;font-size:20px;font-weight:800;letter-spacing:-.01em}
.lp-sec-head h2:before{content:"";display:inline-block;width:4px;height:16px;border-radius:2px;
  background:var(--lp-grad);margin-right:9px;vertical-align:-2px}
.lp-sec-head a{font-size:12.5px;color:var(--lp-dim2)}
.lp-sub{margin:8px 0 0;color:var(--lp-dim);font-size:13px}

/* 主播墙 */
.lp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:14px}
.lp-grid figure{margin:0;position:relative;border-radius:12px;overflow:hidden;
  background:var(--lp-card);aspect-ratio:3/4}
.lp-grid img{width:100%;height:100%;object-fit:cover}
.lp-grid figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 8px 7px;
  font-size:11px;color:#fff;background:linear-gradient(180deg,transparent,rgba(0,0,0,.75));
  display:flex;align-items:center;gap:4px}
.lp-grid figcaption:before{content:"";width:5px;height:5px;border-radius:50%;
  background:#3ddc84;box-shadow:0 0 6px #3ddc84}

/* 能力卡 */
.lp-feats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.lp-feat{background:var(--lp-card);border:1px solid var(--lp-line);border-radius:var(--lp-r);
  padding:15px 14px}
.lp-feat b{display:block;font-size:14px;font-weight:700;margin-bottom:4px}
.lp-feat span{font-size:12px;color:var(--lp-dim);line-height:1.55}
.lp-ico{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;margin-bottom:10px;
  background:rgba(246,200,106,.12);color:var(--lp-gold);font-size:15px}

/* 隐私条款 */
.lp-privacy{background:linear-gradient(180deg,rgba(246,200,106,.06),transparent);
  border-top:1px solid var(--lp-line);border-bottom:1px solid var(--lp-line);margin-top:22px;padding-bottom:20px}
.lp-plist{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.lp-plist li{display:grid;grid-template-columns:22px 1fr;gap:10px;font-size:13px;color:var(--lp-dim)}
.lp-plist li b{color:var(--lp-text);font-weight:700}
.lp-plist li i{width:22px;height:22px;border-radius:7px;background:rgba(246,200,106,.14);
  color:var(--lp-gold);display:grid;place-items:center;font-style:normal;font-size:12px}

/* 规划文档 */
.lp-doc{border:1px solid var(--lp-line);border-radius:var(--lp-r);background:var(--lp-card);
  padding:4px 14px 8px;margin-top:14px}
.lp-doc details{border-bottom:1px solid var(--lp-line);padding:12px 0}
.lp-doc details:last-child{border-bottom:0}
.lp-doc summary{cursor:pointer;font-size:14px;font-weight:700;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:10px}
.lp-doc summary::-webkit-details-marker{display:none}
.lp-doc summary:after{content:"›";color:var(--lp-dim2);transform:rotate(90deg);transition:.25s}
.lp-doc details[open] summary:after{transform:rotate(-90deg)}
.lp-doc p,.lp-doc ul{margin:9px 0 0;font-size:12.5px;color:var(--lp-dim);line-height:1.75}
.lp-doc ul{padding-left:16px}
.lp-doc li{margin:3px 0}
.lp-doc b{color:var(--lp-text)}

/* 下载 */
.lp-download{margin:26px 18px 8px;border-radius:20px;padding:22px 18px;text-align:center;
  background:radial-gradient(120% 100% at 50% 0%,rgba(246,200,106,.18),transparent 60%),var(--lp-card);
  border:1px solid rgba(246,200,106,.22)}
.lp-download h2{margin:0;font-size:20px;font-weight:800}
.lp-download p{margin:8px 0 16px;color:var(--lp-dim);font-size:13px}
.lp-download .lp-actions{justify-content:center;margin-top:0}

/* 页脚 */
.lp-foot{padding:20px 18px calc(env(safe-area-inset-bottom) + 26px);text-align:center;
  color:var(--lp-dim2);font-size:11.5px;line-height:1.9}
.lp-foot nav{display:flex;justify-content:center;gap:14px;margin-bottom:8px;flex-wrap:wrap}
.lp-foot a{color:var(--lp-dim)}

/* ============ 独立文档页（/plan） ============ */
.lp-docpage .lp-nav{border-bottom:1px solid var(--lp-line)}
.lp-docpage .doc-wrap{padding:18px 20px calc(env(safe-area-inset-bottom) + 40px)}
.lp-docpage h1.doc-title{margin:6px 0 4px;font-size:24px;font-weight:900;letter-spacing:-.02em}
.lp-docpage p.doc-lead{margin:0 0 18px;color:var(--lp-gold);font-size:13px;font-weight:700}
.lp-docpage h3{margin:24px 0 8px;font-size:16px;font-weight:800;color:#fff;padding-left:11px;position:relative}
.lp-docpage h3:before{content:"";position:absolute;left:0;top:4px;bottom:3px;width:3px;border-radius:2px;background:var(--lp-grad)}
.lp-docpage h4{margin:14px 0 6px;font-size:14px;font-weight:700;color:rgba(255,255,255,.9)}
.lp-docpage p{margin:0 0 10px;font-size:13.5px;line-height:1.85;color:var(--lp-dim)}
.lp-docpage ul{margin:0 0 12px;padding-left:18px}
.lp-docpage li{margin:4px 0;font-size:13.5px;line-height:1.8;color:var(--lp-dim)}
.lp-docpage li::marker{color:var(--lp-gold)}
.lp-docpage b{color:#fff;font-weight:700}
.lp-docpage .doc-note{margin-top:22px;padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.04);
  border:1px solid var(--lp-line);color:var(--lp-dim2);font-size:12px;line-height:1.7}
.lp-back{display:inline-flex;align-items:center;gap:6px;color:var(--lp-dim);font-size:13px}