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::selection{background:var(--lime-300);color:var(--ink)}.shennong-landing .wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}.shennong-landing .eyebrow{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--lime-700);font-size:12.5px;font-weight:500}.shennong-landing .chip{background:var(--lime-500);border-radius:11px;place-items:center;display:inline-grid;box-shadow:inset 0 1px #ffffff59,0 2px 8px #65a30d59}.shennong-landing .chip svg{display:block}.shennong-landing header.nav{z-index:50;-webkit-backdrop-filter:blur(14px);background:#fbfbf6b8;border-bottom:1px solid #0000;transition:background .3s,box-shadow .3s,border-color .3s;position:fixed;inset:0 0 auto}.shennong-landing header.nav.scrolled{border-bottom-color:var(--line);background:#fbfbf6eb;box-shadow:0 4px 24px #14170d0f}.shennong-landing main#top{padding-top:74px}.shennong-landing .navrow{align-items:center;gap:40px;height:74px;display:flex}.shennong-landing .brand{font-family:var(--disp);letter-spacing:-.01em;align-items:center;gap:11px;font-size:21px;font-weight:800;display:flex}.shennong-landing .brand .chip{width:34px;height:34px}.shennong-landing .brand .api{color:var(--lime-600)}.shennong-landing nav.links{gap:30px;margin-left:8px;display:flex}.shennong-landing nav.links a{color:var(--ink-2);font-size:15px;font-weight:500;transition:color .15s;position:relative}.shennong-landing nav.links a:hover{color:var(--ink)}.shennong-landing .nav-right{align-items:center;gap:16px;margin-left:auto;display:flex}.shennong-landing .nav-user{border:1px solid var(--line);background:#fff;border-radius:999px;align-items:center;gap:10px;max-width:220px;padding:5px 12px 5px 5px;transition:border-color .15s,box-shadow .15s;display:flex}.shennong-landing .nav-user:hover{border-color:var(--lime-300);box-shadow:var(--shadow-sm)}.shennong-landing .nav-user .uavatar{background:var(--lime-500);width:32px;height:32px;color:var(--ink);font-family:var(--disp);border-radius:50%;flex:none;place-items:center;font-size:14px;font-weight:800;display:grid}.shennong-landing .nav-user .umeta{flex-direction:column;min-width:0;line-height:1.25;display:flex}.shennong-landing .nav-user .uname{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:13.5px;font-weight:700;overflow:hidden}.shennong-landing .nav-user .usub{color:var(--sn-muted);white-space:nowrap;text-overflow:ellipsis;font-size:11.5px;overflow:hidden}.shennong-landing .nav-bal{font-family:var(--mono);color:var(--lime-700);background:var(--lime-50);border:1px solid var(--lime-200);border-radius:999px;padding:6px 11px;font-size:12.5px;font-weight:600;transition:background .15s}.shennong-landing .nav-bal:hover{background:var(--lime-100)}.shennong-landing .lang{font-family:var(--mono);color:var(--sn-muted);cursor:pointer;border-radius:8px;padding:6px 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.btn-ghost{color:var(--ink);border-color:var(--line);background:0 0}.shennong-landing .btn-ghost:hover{border-color:var(--ink);background:#fff}.shennong-landing .hero{text-align:center;padding:62px 0 30px;position:relative;overflow:hidden}.shennong-landing .hero-glow{z-index:-1;background:radial-gradient(60% 50% at 50% 0,#a3e63533,#0000 70%),radial-gradient(40% 40% at 85% 20%,#d9c2001f,#0000 70%);position:absolute;inset:0}.shennong-landing .badge{border:1px solid var(--line);box-shadow:var(--shadow-sm);color:var(--ink-2);white-space:nowrap;background:#fff;border-radius:999px;align-items:center;gap:9px;max-width:100%;padding:7px 16px 7px 8px;font-size:13.5px;font-weight:500;display:inline-flex}.shennong-landing .badge b{color:var(--lime-700);font-weight:700}.shennong-landing .badge .tag{background:var(--lime-500);color:var(--ink);font-family:var(--mono);letter-spacing:.04em;border-radius:999px;padding:3px 9px;font-size:11px;font-weight:700}.shennong-landing h1.head{font-family:var(--disp);letter-spacing:-.03em;flex-wrap:wrap;justify-content:center;align-items:center;gap:.16em;margin:26px 0 0;font-size:clamp(58px,10.5vw,148px);font-weight:800;line-height:.96;display:flex}.shennong-landing h1.head .cn{font-family:var(--cjk);font-weight:900}.shennong-landing h1.head .chip{border-radius:.2em;width:.78em;height:.78em}.shennong-landing h1.head .ver{color:var(--lime-600)}.shennong-landing .sub{max-width:680px;color:var(--ink-2);text-wrap:pretty;margin:26px auto 0;font-size:clamp(17px,2vw,20px);font-weight:400}.shennong-landing .cta{flex-wrap:wrap;justify-content:center;gap:14px;margin-top:34px;display:flex}.shennong-landing .panel{border-radius:var(--r-lg);background:radial-gradient(120% 130% at 12% 0%, #f7fee78c, transparent 55%), repeating-linear-gradient(122deg, #ffffff1a 0 2px, transparent 2px 26px), linear-gradient(160deg, var(--lime-400) 0%, var(--lime-500) 46%, var(--lime-600) 100%);max-width:1120px;box-shadow:var(--shadow-md);margin:56px auto 0;padding:30px;position:relative;overflow:hidden}.shennong-landing .panel:before{content:"";background:radial-gradient(circle at 35% 35%, var(--gold), #d9c20000 70%);opacity:.7;border-radius:50%;width:240px;height:240px;position:absolute;top:-60px;right:-60px}.shennong-landing .panel:after{content:"";background:#3f621238;border-radius:46% 54% 60% 40%/52% 44% 56% 48%;width:320px;height:320px;position:absolute;bottom:-90px;left:-40px}.shennong-landing .feat-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid;position:relative}.shennong-landing .feat{text-align:left;background:#fff;border-radius:20px;padding:24px 22px;box-shadow:0 8px 24px #3f62122e}.shennong-landing .feat .ic{background:var(--lime-100);border-radius:13px;place-items:center;width:46px;height:46px;margin-bottom:16px;display:grid}.shennong-landing .feat h3{font-family:var(--disp);letter-spacing:-.01em;margin-bottom:7px;font-size:19px;font-weight:700}.shennong-landing .feat p{color:var(--sn-muted);font-size:14.5px;line-height:1.55}.shennong-landing .panel-cap{justify-content:center;align-items:center;gap:8px;margin-top:22px;display:flex;position:relative}.shennong-landing .dot{background:#ffffff8c;border-radius:50%;width:8px;height:8px}.shennong-landing .dot.on{background:#fff;border-radius:999px;width:26px}@media (prefers-reduced-motion:no-preference){.shennong-landing [data-fade]{opacity:0;transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--d,0)*1ms);transform:translateY(24px)}.shennong-landing [data-fade].is-in{opacity:1;transform:none}}@media print{.shennong-landing [data-fade]{opacity:1!important;transform:none!important}}.shennong-landing section.block{padding:104px 0}.shennong-landing .sec-head{max-width:760px}.shennong-landing .sec-head.center{text-align:center;margin:0 auto}.shennong-landing .sec-head h2{font-family:var(--disp);letter-spacing:-.025em;margin:16px 0 0;font-size:clamp(34px,4.6vw,56px);font-weight:800;line-height:1.04}.shennong-landing .sec-head h2 .hl{color:var(--lime-600)}.shennong-landing .sec-head .lead{color:var(--ink-2);text-wrap:pretty;margin-top:18px;font-size:18px}.shennong-landing .stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(4,1fr);gap:24px;padding:46px 0;display:grid}.shennong-landing .stat .n{font-family:var(--disp);letter-spacing:-.03em;font-size:clamp(34px,4.2vw,52px);font-weight:800;line-height:1}.shennong-landing .stat .n span{color:var(--lime-600)}.shennong-landing .stat .l{color:var(--sn-muted);margin-top:10px;font-size:14.5px}.shennong-landing .models{grid-template-columns:repeat(2,1fr);gap:20px;margin-top:54px;display:grid}.shennong-landing .model{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:30px;transition:transform .2s,box-shadow .2s,border-color .2s;position:relative;overflow:hidden}.shennong-landing .model:hover{box-shadow:var(--shadow-md);border-color:var(--lime-300);transform:translateY(-4px)}.shennong-landing .model .row{align-items:center;gap:13px;display:flex}.shennong-landing .model .badge-ic{background:var(--lime-100);border-radius:12px;flex:none;place-items:center;width:42px;height:42px;display:grid}.shennong-landing .model h3{font-family:var(--disp);letter-spacing:-.01em;font-size:22px;font-weight:700}.shennong-landing .model .tagk{font-family:var(--mono);color:var(--lime-700);background:var(--lime-50);border:1px solid var(--lime-200);border-radius:999px;margin-left:auto;padding:4px 10px;font-size:11.5px;font-weight:500}.shennong-landing .model p{color:var(--ink-2);margin-top:16px;font-size:15.5px}.shennong-landing .model .meta{flex-wrap:wrap;gap:22px;margin-top:20px;display:flex}.shennong-landing .model .meta div{color:var(--sn-muted);font-size:13px}.shennong-landing .model .meta b{font-family:var(--mono);color:var(--ink);letter-spacing:-.02em;font-size:18px;font-weight:700;display:block}.shennong-landing .model.feature{background:linear-gradient(135deg,#fff 0%,var(--lime-50) 100%);border-color:var(--lime-200);grid-column:1/-1}.shennong-landing .caps{grid-template-columns:repeat(3,1fr);gap:22px;margin-top:54px;display:grid}.shennong-landing .cap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);transition:transform .2s,box-shadow .2s;overflow:hidden}.shennong-landing .cap:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}.shennong-landing .ph{height:188px;font-family:var(--mono);letter-spacing:.04em;color:var(--lime-700);background:repeating-linear-gradient(45deg,var(--lime-100) 0 11px,var(--lime-50) 11px 22px);border-bottom:1px solid var(--line);justify-content:center;align-items:center;font-size:12.5px;display:flex}.shennong-landing .cap-body{padding:24px}.shennong-landing .cap-body .k{font-family:var(--mono);color:var(--lime-600);letter-spacing:.1em;text-transform:uppercase;font-size:12px}.shennong-landing .cap-body h3{font-family:var(--disp);letter-spacing:-.01em;margin:9px 0 8px;font-size:20px;font-weight:700}.shennong-landing .cap-body p{color:var(--sn-muted);font-size:14.5px}.shennong-landing .dev{background:var(--dark);color:#eef3e6;border-radius:36px;margin:0 28px;position:relative;overflow:hidden}.shennong-landing .dev-inner{max-width:var(--maxw);grid-template-columns:1fr 1.05fr;align-items:center;gap:56px;margin:0 auto;padding:96px 28px;display:grid}.shennong-landing .dev .eyebrow{color:var(--lime-400)}.shennong-landing .dev h2{font-family:var(--disp);letter-spacing:-.025em;margin:16px 0 0;font-size:clamp(32px,4vw,50px);font-weight:800;line-height:1.05}.shennong-landing .dev p.lead{color:#b9c4a8;margin-top:18px;font-size:17px}.shennong-landing .dev .ticks{flex-direction:column;gap:13px;margin-top:26px;display:flex}.shennong-landing .dev .tick{color:#dfe7d3;align-items:center;gap:12px;font-size:15.5px;display:flex}.shennong-landing .dev .tick .ck{background:#84cc1629;border-radius:8px;flex:none;place-items:center;width:24px;height:24px;display:grid}.shennong-landing .code{background:#0e1607;border:1px solid #84cc162e;border-radius:18px;overflow:hidden;box-shadow:0 30px 70px #0006}.shennong-landing .code-bar{border-bottom:1px solid #ffffff12;align-items:center;gap:8px;padding:14px 16px;display:flex}.shennong-landing .code-bar .o{background:#3a4a22;border-radius:50%;width:11px;height:11px}.shennong-landing .code-bar .fn{font-family:var(--mono);color:#7c8a64;margin-left:8px;font-size:12.5px}.shennong-landing .code-bar .cp{font-family:var(--mono);color:var(--lime-400);cursor:pointer;border:1px solid #84cc164d;border-radius:7px;margin-left:auto;padding:4px 10px;font-size:12px;transition:all .15s}.shennong-landing .code-bar .cp:hover{background:#84cc1624}.shennong-landing pre{font-family:var(--mono);color:#cfdcc0;padding:22px;font-size:13.5px;line-height:1.85;overflow-x:auto}.shennong-landing .code .cm{color:#5f6f44}.shennong-landing .code .st{color:var(--lime-300)}.shennong-landing .code .kw{color:#e3c84b}.shennong-landing .code .fnn{color:#a8e05a}.shennong-landing .price{grid-template-columns:repeat(3,1fr);align-items:stretch;gap:22px;margin-top:54px;display:grid}.shennong-landing .tier{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);flex-direction:column;padding:34px 30px;transition:transform .2s,box-shadow .2s;display:flex}.shennong-landing .tier:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}.shennong-landing .tier.hot{background:var(--ink);color:#fff;border-color:var(--ink);position:relative}.shennong-landing .tier.hot .pop{background:var(--lime-500);color:var(--ink);font-family:var(--mono);letter-spacing:.05em;border-radius:999px;padding:4px 11px;font-size:11px;font-weight:700;position:absolute;top:18px;right:18px}.shennong-landing .tier .tname{font-family:var(--disp);font-size:20px;font-weight:700}.shennong-landing .tier .tprice{font-family:var(--disp);letter-spacing:-.03em;margin:18px 0 4px;font-size:46px;font-weight:800;line-height:1}.shennong-landing .tier .tprice small{color:var(--sn-muted);letter-spacing:0;font-size:16px;font-weight:500}.shennong-landing .tier.hot .tprice small{color:#9fb088}.shennong-landing .tier .tdesc{color:var(--sn-muted);min-height:40px;font-size:14px}.shennong-landing .tier.hot .tdesc{color:#b8c4a6}.shennong-landing .tier ul{flex-direction:column;gap:13px;margin:24px 0 28px;list-style:none;display:flex}.shennong-landing .tier li{align-items:flex-start;gap:10px;font-size:14.5px;display:flex}.shennong-landing .tier li svg{flex:none;margin-top:3px}.shennong-landing .tier .btn{width:100%;margin-top:auto}.shennong-landing .ctaband{text-align:center;background:linear-gradient(150deg,var(--lime-400),var(--lime-600));border-radius:36px;margin:0 28px;padding:88px 28px;position:relative;overflow:hidden}.shennong-landing .ctaband:after{content:"";background:repeating-linear-gradient(122deg,#ffffff1a 0 2px,#0000 2px 30px);position:absolute;inset:0}.shennong-landing .ctaband h2{font-family:var(--disp);letter-spacing:-.025em;color:var(--dark);text-wrap:balance;font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.05;position:relative}.shennong-landing .ctaband p{color:#28380f;max-width:520px;margin:18px auto 0;font-size:18px;position:relative}.shennong-landing .ctaband .cta{margin-top:32px}.shennong-landing footer{background:var(--dark);color:#aeb9a0;margin-top:104px;padding:72px 0 40px}.shennong-landing .fgrid{grid-template-columns:1.6fr repeat(4,1fr);gap:36px;display:grid}.shennong-landing .fbrand .brand{color:#fff}.shennong-landing .fbrand p{color:#8b9779;max-width:280px;margin-top:16px;font-size:14px}.shennong-landing .fcol h4{color:#dfe7d3;font-size:14px;font-weight:700;font-family:var(--disp);margin-bottom:16px}.shennong-landing .fcol a{color:#9aa687;margin-bottom:11px;font-size:14px;transition:color .15s;display:block}.shennong-landing .fcol a:hover{color:var(--lime-400)}.shennong-landing .fbot{color:#7c8a64;font-size:13px;font-family:var(--mono);border-top:1px solid #ffffff14;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:54px;padding-top:26px;display:flex}@media (max-width:900px){.shennong-landing nav.links,.shennong-landing .nav-user .umeta,.shennong-landing .nav-bal{display:none}.shennong-landing .dev-inner{grid-template-columns:1fr;gap:36px}.shennong-landing .feat-grid,.shennong-landing .caps,.shennong-landing .price,.shennong-landing .models{grid-template-columns:1fr}.shennong-landing .stats{grid-template-columns:repeat(2,1fr);gap:32px 24px}.shennong-landing .fgrid{grid-template-columns:1fr 1fr;gap:30px}.shennong-landing section.block{padding:72px 0}}