@font-face{font-family:LingshuSerif;src:url(/assets/lingshu-serif-500-CgPZ92Cc.woff2)format("woff2");font-weight:400 500;font-display:swap}@font-face{font-family:LingshuSerif;src:url(/assets/lingshu-serif-900-Cjy8idCv.woff2)format("woff2");font-weight:600 900;font-display:swap}.ls-landing{--ink:#07080b;--paper:#e9e4d8;--muted:#e9e4d894;--faint:#e9e4d81f;--jade:#6ee7c8;--cinnabar:#e2483d;--gold:#d4a95a;--serif:"LingshuSerif", "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;background:var(--ink);min-height:100%;color:var(--paper);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;position:relative;overflow-x:hidden}.ls-landing:before{content:"";pointer-events:none;z-index:50;opacity:.06;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");position:fixed;inset:0}.ls-nav{z-index:10;justify-content:space-between;align-items:center;padding:24px clamp(20px,5vw,64px);display:flex;position:absolute;top:0;left:0;right:0}.ls-brand{align-items:center;gap:14px;display:flex}.ls-seal{background:var(--cinnabar);color:#fff4ec;width:30px;height:40px;font-family:var(--serif);border-radius:4px;flex-direction:column;justify-content:center;align-items:center;font-size:14px;font-weight:900;line-height:1.05;display:flex;transform:rotate(-3deg);box-shadow:inset 0 0 0 1px #ffffff14,0 6px 24px #e2483d59}.ls-brand-name{font-family:var(--serif);letter-spacing:2px;font-size:20px;font-weight:900}.ls-brand-name em{letter-spacing:1px;color:var(--muted);margin-left:4px;font-family:inherit;font-size:14px;font-style:normal;font-weight:500}.ls-nav-actions{align-items:center;gap:12px;display:flex}.ls-lang{color:var(--muted);cursor:pointer;background:0 0;border:none;padding:8px;font-size:13px;transition:color .2s}.ls-lang:hover{color:var(--paper)}.ls-btn{cursor:pointer;white-space:nowrap;border-radius:999px;align-items:center;gap:10px;height:44px;padding:0 22px;font-size:15px;transition:transform .2s,box-shadow .3s,background .3s,border-color .3s;display:inline-flex}.ls-btn:active{transform:scale(.98)}.ls-btn-primary{color:#06120f;background:linear-gradient(135deg, #8ff0d6, var(--jade) 45%, #3cc7a5);border:none;font-weight:600;box-shadow:0 0 0 1px #6ee7c866,0 10px 40px -8px #6ee7c88c}.ls-btn-primary:hover{box-shadow:0 0 0 1px #6ee7c899,0 14px 56px -6px #6ee7c8bf}.ls-btn-primary span{transition:transform .25s}.ls-btn-primary:hover span{transform:translate(4px)}.ls-btn-ghost{color:var(--paper);border:1px solid var(--faint);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#e9e4d80a}.ls-btn-ghost:hover{background:#6ee7c80f;border-color:#6ee7c873}.ls-btn-ghost code{font-family:var(--mono);color:var(--muted);font-size:13px}.ls-copy-hint{color:var(--jade);font-size:12px}.ls-hero{align-items:center;height:100vh;min-height:640px;padding:0 clamp(20px,5vw,64px);display:flex;position:relative}.ls-meridian{width:100%;height:100%;position:absolute;inset:0}.ls-hero:after{content:"";pointer-events:none;background:linear-gradient(90deg, #07080b80 0%, #07080b4d 40%, #07080b00 62%), linear-gradient(0deg, var(--ink) 0%, #07080b00 22%);position:absolute;inset:0}.ls-hero-text{z-index:2;max-width:560px;position:relative}.ls-eyebrow{letter-spacing:4px;color:var(--jade);align-items:center;gap:10px;margin-bottom:24px;font-size:13px;display:inline-flex}.ls-eyebrow:before{content:"";background:var(--jade);width:28px;height:1px}.ls-title{font-family:var(--serif);letter-spacing:.06em;color:var(--paper);text-shadow:0 0 60px #6ee7c81f;margin:0 0 28px;font-size:clamp(52px,7.4vw,104px);font-weight:900;line-height:1.08}.ls-title-en{letter-spacing:.01em;font-size:clamp(44px,5.4vw,76px);line-height:1.1}.ls-eyebrow-en{letter-spacing:2px}.ls-accent{color:var(--cinnabar);text-shadow:0 0 40px #e2483d73}.ls-lede{text-shadow:0 0 18px #07080bf2,0 0 2px #07080be6;color:var(--muted);margin:0 0 40px;font-size:18px;line-height:1.8}.ls-cta{flex-wrap:wrap;gap:14px;display:flex}.ls-scroll-hint{z-index:2;background:linear-gradient(var(--jade), transparent);width:1px;height:48px;animation:2.4s ease-in-out infinite ls-drip;position:absolute;bottom:28px;left:50%}.ls-stats{border-top:1px solid var(--faint);border-bottom:1px solid var(--faint);grid-template-columns:repeat(4,1fr);max-width:1120px;margin:0 auto;padding:0 clamp(20px,5vw,64px);display:grid}.ls-stat{border-left:1px solid var(--faint);align-items:baseline;gap:12px;padding:36px 0 36px 28px;display:flex}.ls-stat:first-child{border-left:none;padding-left:0}.ls-stat-num{font-family:var(--serif);color:var(--paper);font-size:48px;font-weight:900;line-height:1}.ls-stat-label{color:var(--muted);font-size:14px}.ls-veins{grid-template-columns:repeat(3,1fr);gap:1px;max-width:1120px;margin:120px auto;padding:0 clamp(20px,5vw,64px);display:grid}.ls-vein{padding:8px 40px 8px 0;position:relative}.ls-vein+.ls-vein{border-left:1px solid var(--faint);padding-left:40px}.ls-vein-head{align-items:flex-end;gap:14px;margin-bottom:28px;display:flex}.ls-vein-num{font-family:var(--serif);color:var(--cinnabar);border:1px solid #e2483d80;border-radius:2px;padding:3px 5px;font-size:14px;line-height:1}.ls-vein-char{font-family:var(--serif);background-image:linear-gradient(180deg, var(--paper) 15%, #6ee7c88c 45%, var(--jade) 70%, var(--cinnabar));color:#0000;-webkit-background-clip:text;background-clip:text;font-size:88px;font-weight:900;line-height:.9}.ls-vein h3{font-family:var(--serif);letter-spacing:1px;color:var(--paper);margin:0 0 14px;font-size:22px;font-weight:900}.ls-vein p{color:var(--muted);margin:0;font-size:15px;line-height:1.85}.ls-connect{grid-template-columns:minmax(260px,.8fr) 1.4fr;align-items:center;gap:64px;max-width:1120px;margin:0 auto 140px;padding:0 clamp(20px,5vw,64px);display:grid}.ls-connect h2{font-family:var(--serif);letter-spacing:2px;color:var(--paper);margin:0 0 18px;font-size:40px;font-weight:900}.ls-connect p{color:var(--muted);margin:0 0 32px;line-height:1.85}.ls-terminal{border:1px solid var(--faint);background:linear-gradient(#14181ce6,#0c0e11f2);border-radius:14px;position:relative;overflow:hidden;box-shadow:0 40px 120px -40px #6ee7c840,inset 0 0 0 1px #ffffff05}.ls-terminal:before{content:"";background:linear-gradient(90deg, transparent, var(--jade), transparent);opacity:.6;height:1px;position:absolute;top:0;left:10%;right:10%}.ls-terminal-bar{border-bottom:1px solid var(--faint);align-items:center;gap:18px;padding:12px 16px;display:flex}.ls-dots{gap:7px;display:flex}.ls-dots i{background:#e9e4d824;border-radius:50%;width:10px;height:10px}.ls-dots i:first-child{background:var(--cinnabar)}.ls-tabs{flex:1;gap:4px;display:flex;overflow-x:auto}.ls-tabs button,.ls-copy{color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:6px;padding:6px 12px;font-size:13px;transition:color .2s,background .2s}.ls-tabs button:hover,.ls-copy:hover{color:var(--paper)}.ls-tabs button.active{color:var(--ink);background:var(--paper)}.ls-copy{color:var(--jade)}.ls-code{font-family:var(--mono);color:var(--paper);min-height:200px;margin:0;padding:24px 24px 28px;font-size:13.5px;line-height:1.8;overflow-x:auto}.c-comment{color:#e9e4d861}.c-str{color:var(--jade)}.c-prompt{color:var(--cinnabar);-webkit-user-select:none;user-select:none}.ls-footer{max-width:1120px;margin:0 auto;padding:0 clamp(20px,5vw,64px) 48px}.ls-footer blockquote{border-top:1px solid var(--faint);text-align:center;margin:0 0 80px;padding:56px 0}.ls-footer blockquote p{font-family:var(--serif);letter-spacing:.2em;color:var(--paper);margin:0 0 16px;font-size:clamp(20px,2.4vw,28px);font-weight:500}.ls-footer cite{font-family:var(--serif);color:var(--muted);letter-spacing:2px;font-size:14px;font-style:normal}.ls-footer-line{color:#e9e4d859;justify-content:space-between;font-size:12px;display:flex}.ls-ink{opacity:0;filter:blur(14px);animation:1.3s cubic-bezier(.2,.7,.1,1) forwards ls-ink;display:inline-block;transform:translateY(.12em)scale(1.08)}@keyframes ls-ink{60%{opacity:1}to{opacity:1;filter:blur();transform:none}}[data-reveal]{opacity:0;transition:opacity 1s cubic-bezier(.2,.7,.2,1),transform 1s cubic-bezier(.2,.7,.2,1);transform:translateY(28px)}[data-reveal].is-in{opacity:1;transform:none}.ls-stats[data-reveal] .ls-stat,.ls-veins[data-reveal] .ls-vein{opacity:0;transition:opacity .9s,transform .9s cubic-bezier(.2,.7,.2,1);transform:translateY(20px)}.ls-stats.is-in .ls-stat,.ls-veins.is-in .ls-vein{opacity:1;transform:none}.ls-vein:after{content:"";pointer-events:none;opacity:0;background:radial-gradient(260px circle at var(--gx,50%) var(--gy,50%), #6ee7c817, transparent 70%);border-radius:14px;transition:opacity .4s;position:absolute;inset:-24px -20px -24px 0}.ls-vein+.ls-vein:after{inset:-24px -20px -24px 20px}.ls-vein:hover:after{opacity:1}.ls-vein-char{background-position:0 0;background-size:100% 220%;transition:background-position .8s cubic-bezier(.2,.7,.2,1)}.ls-vein:hover .ls-vein-char{background-position:0 100%}.ls-caret{vertical-align:-.2em;background:var(--jade);width:8px;height:1.1em;margin-left:2px;animation:1s step-end infinite ls-blink;display:inline-block;box-shadow:0 0 12px #6ee7c8cc}.ls-caret:not(.done){animation:none}@keyframes ls-blink{50%{opacity:0}}.ls-rise{opacity:0;animation:.9s cubic-bezier(.2,.7,.2,1) forwards ls-rise;transform:translateY(16px)}@keyframes ls-rise{to{opacity:1;transform:none}}@keyframes ls-drip{0%{transform-origin:top;opacity:0;transform:scaleY(0)}40%{transform-origin:top;opacity:1;transform:scaleY(1)}to{opacity:0;transform:scaleY(1)translateY(24px)}}@media (prefers-reduced-motion:reduce){.ls-ink,[data-reveal],.ls-stats[data-reveal] .ls-stat,.ls-veins[data-reveal] .ls-vein{opacity:1;filter:none;transition:none;animation:none;transform:none}.ls-rise{opacity:1;animation:none;transform:none}.ls-scroll-hint{animation:none}}@media (width<=860px){.ls-hero:after{background:linear-gradient(#07080b4d,#07080b99 40%,#07080bf2 90%)}.ls-hero{align-items:flex-end;padding-bottom:96px}.ls-stats{grid-template-columns:repeat(2,1fr)}.ls-stat:nth-child(3){border-left:none;padding-left:0}.ls-veins,.ls-connect{grid-template-columns:1fr}.ls-vein+.ls-vein{border-left:none;border-top:1px solid var(--faint);margin-top:40px;padding-top:40px;padding-left:0}.ls-nav .ls-btn-ghost{display:none}}html,body,#root{height:100%;margin:0}.center-screen{justify-content:center;align-items:center;height:100%;display:flex}.page{max-width:1200px;margin:0 auto;padding:32px 40px 48px}.page-title{margin:0 0 24px!important}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.muted{opacity:.6}.nowrap{white-space:nowrap}