:root{color-scheme:light;--paper:#f7f8f4;--white:#fff;--ink:#172b24;--muted:#62736b;--green:#174d3b;--green-2:#24674e;--mint:#d9f1e5;--line:#dfe7df;font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);line-height:1.65}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #73c99b;outline-offset:4px}.wrap{width:min(1120px,calc(100% - 48px));margin:auto}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e6ebe5}.brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:750;letter-spacing:-.03em}.brand img{width:34px;height:34px}.nav{display:flex;align-items:center;gap:28px;font-size:14px;color:#52645b}.nav a:hover{color:var(--green)}.lang{border:1px solid var(--line);border-radius:99px;padding:7px 13px;color:var(--green);font-weight:650}.hero{padding:74px 0 68px;display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 11px;border:1px solid #cfe3d5;border-radius:99px;color:var(--green);font-size:12px;font-weight:700;background:#eff8f1}.dot{width:7px;height:7px;border-radius:50%;background:#57a97b}h1{font-size:clamp(42px,5.7vw,68px);line-height:1.08;letter-spacing:-.055em;margin:21px 0 20px;max-width:650px}h1 em{font-style:normal;color:var(--green-2)}.lead{font-size:17px;color:#586a60;max-width:560px;margin:0 0 28px}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 19px;border-radius:11px;font-size:14px;font-weight:750;transition:transform .15s,background .15s}.button:hover{transform:translateY(-2px)}.primary{background:var(--green);color:white;box-shadow:0 8px 18px #174d3b24}.primary:hover{background:#103d2e}.secondary{border:1px solid #cedbd1;background:#fff;color:var(--green)}.smallnote{font-size:12px;color:#76857c;margin-top:15px}.hero-art{position:relative;min-height:395px;border-radius:26px;background:radial-gradient(ellipse at 70% 25%,#e6f4e9 0,#f4f7f1 48%,#e8eee7 100%);display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-art:before,.hero-art:after{content:"";position:absolute;border:1px solid #cbdccf;border-radius:50%;width:350px;height:350px;opacity:.7}.hero-art:after{width:430px;height:430px;opacity:.45}.orb{position:absolute;width:250px;height:250px;border-radius:50%;background:#d8f0df}.terminal{position:relative;z-index:1;width:min(370px,84%);border:1px solid #314b3f;border-radius:15px;background:#15251e;color:#e5f2e8;box-shadow:0 25px 60px #13271e35;overflow:hidden;transform:rotate(-2deg)}.term-head{height:37px;background:#1e332a;display:flex;align-items:center;padding:0 13px;gap:6px}.term-head i{width:7px;height:7px;border-radius:50%;background:#789085}.term-title{font:11px ui-monospace,Consolas,monospace;color:#b3c7b9;margin:auto}.term-body{padding:20px;font:13px/1.95 ui-monospace,Consolas,monospace}.prompt{color:#89d6a8}.dim{color:#8ca598}.mint{color:#b6edc7}.cursor{display:inline-block;width:7px;height:14px;background:#89d6a8;vertical-align:-2px;margin-left:4px}.art-caption{position:absolute;bottom:19px;right:20px;color:#728279;font-size:11px}.trustline{border-block:1px solid var(--line);padding:19px 0;color:#607168;font-size:13px;display:flex;justify-content:center;gap:30px;flex-wrap:wrap}.trustline span{display:flex;gap:8px;align-items:center}.trustline b{color:var(--green)}.section{padding:78px 0}.section.white{background:#fff}.section-head{max-width:650px;margin-bottom:36px}.kicker{color:var(--green-2);font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.section h2{font-size:clamp(29px,4vw,42px);letter-spacing:-.04em;line-height:1.2;margin:10px 0 13px}.section-head p{color:var(--muted);margin:0}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.feature{padding:22px 23px 24px;background:var(--paper);border:1px solid #e3eae2;border-radius:15px}.feature-icon{width:36px;height:36px;border-radius:10px;background:var(--mint);display:grid;place-items:center;color:var(--green);font-weight:800}.feature h3{font-size:16px;margin:17px 0 7px}.feature p,.step p{color:var(--muted);font-size:13px;margin:0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.step{border-top:2px solid #b9d9c4;padding:20px 17px 0 0}.step-no{font:700 12px ui-monospace,monospace;color:var(--green-2)}.step h3{font-size:16px;margin:12px 0 7px}.code{margin:10px 0;background:#192c23;color:#d9eddf;border-radius:8px;padding:10px 12px;overflow:auto;font:12px/1.7 ui-monospace,Consolas,monospace}.step a.inline{color:var(--green-2);text-decoration:underline;text-underline-offset:3px}.download-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}.download-copy p{color:var(--muted);font-size:14px}.download-box{border:1px solid var(--line);border-radius:17px;background:white;overflow:hidden}.download-top{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.download-top h3{font-size:15px;margin:0}.status{font-size:12px;color:#66776d}.download-list{padding:5px 20px}.asset{display:grid;grid-template-columns:1fr auto;gap:8px 16px;padding:15px 0;border-bottom:1px solid #edf0ec;align-items:center}.asset-name{font-size:13px;font-weight:700;overflow-wrap:anywhere}.asset-meta{font-size:11px;color:#718077;margin-top:4px}.asset-actions{display:flex;gap:8px;align-items:center}.download-link,.copy-btn{border:1px solid #d7e2d9;background:#fff;border-radius:8px;padding:7px 10px;color:var(--green);font-size:12px;font-weight:700;cursor:pointer}.download-link:hover,.copy-btn:hover{background:#f0f7f1}.asset-hash{grid-column:1/-1;font:10px/1.5 ui-monospace,Consolas,monospace;color:#74837a;overflow-wrap:anywhere}.hashline{display:flex;align-items:start;gap:8px}.hashline code{flex:1}.fallback{padding:18px 20px;color:#69796f;font-size:13px}.fallback a{color:var(--green);text-decoration:underline}.faq{display:grid;grid-template-columns:1fr 1fr;gap:0 34px}.faq details{border-top:1px solid var(--line);padding:17px 0}.faq summary{list-style:none;cursor:pointer;font-size:14px;font-weight:700;display:flex;justify-content:space-between;gap:12px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-size:18px;color:var(--green)}.faq details[open] summary:after{content:"−"}.faq details p{font-size:13px;color:var(--muted);margin:10px 18px 0 0}.closing{background:var(--green);color:#f1f8f2;border-radius:20px;padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px}.closing h2{font-size:26px;margin:0 0 5px}.closing p{color:#c4d9ca;margin:0;font-size:13px}.closing .button{background:#fff;color:var(--green)}footer{padding:30px 0 38px;color:#718077;font-size:12px}.footer-row{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}.footer-links{display:flex;gap:18px;flex-wrap:wrap}.footer-links a:hover{color:var(--green)}.notice{font-size:11px;color:#859188;margin-top:14px}[hidden]{display:none!important}
@media(max-width:850px){.hero{grid-template-columns:1fr;gap:30px;padding-top:55px}.hero-art{min-height:340px}.download-layout{grid-template-columns:1fr;gap:22px}.features{grid-template-columns:1fr 1fr}.wrap{width:min(100% - 36px,680px)}.nav{gap:16px}}
@media(max-width:560px){.wrap{width:calc(100% - 32px)}.topbar{height:65px}.nav{gap:12px;font-size:12px}.nav .nav-link:first-child{display:none}.brand{font-size:16px}.hero{padding:42px 0 45px}h1{font-size:44px}.lead{font-size:15px}.hero-art{min-height:300px}.trustline{justify-content:flex-start;gap:12px 21px}.section{padding:59px 0}.features,.steps,.faq{grid-template-columns:1fr}.feature{padding:19px}.asset{grid-template-columns:1fr}.asset-actions{grid-column:1}.closing{padding:26px;align-items:flex-start;flex-direction:column}.closing h2{font-size:23px}.footer-row{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
.skip-link{position:absolute;left:12px;top:-60px;z-index:10;background:#fff;color:var(--green);padding:9px 14px;border-radius:8px;box-shadow:var(--shadow)}.skip-link:focus{top:12px}.brand-cn{font-weight:500;color:#6d7e74}.term-gap{height:9px}.term-label{position:absolute;left:20px;bottom:19px;color:#728279;font-size:11px}.closing-section{padding-bottom:64px}
@media(max-width:560px){.nav .nav-link:not(:nth-child(3)){display:none}}

.underlined{text-decoration:underline;text-underline-offset:3px}