:root{--p-ink:oklch(.19 .018 165);--p-panel:oklch(.235 .02 165);--p-line:oklch(.34 .025 165);--p-text:oklch(.96 .01 155);--p-muted:oklch(.71 .025 165);--p-green:oklch(.78 .18 155);--p-green-dark:oklch(.64 .16 155);--bg:var(--p-ink);--surface:var(--p-panel);--border:var(--p-line);--text:var(--p-text);--muted:var(--p-muted);--accent:var(--p-green);--accent-dark:var(--p-green-dark);--radius:16px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:88px}body{min-height:100dvh;background:var(--bg);color:var(--text);font:16px/1.7 Microsoft YaHei UI,PingFang SC,Noto Sans CJK SC,Source Han Sans SC,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.svg-defs{position:absolute;width:0;height:0;overflow:hidden}.section-wrap{width:min(1180px,calc(100% - 48px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:10;background:color-mix(in oklch,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid color-mix(in oklch,var(--border) 65%,transparent)}.nav-wrap{width:min(1180px,calc(100% - 48px));min-height:76px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-height:48px}.brand img{width:42px;height:42px;border-radius:11px}.brand span{display:flex;flex-direction:column;line-height:1.2}.brand strong{font-size:19px;letter-spacing:3px}.brand small{font-size:11px;color:var(--muted);letter-spacing:2px;margin-top:4px}.desktop-nav{display:flex;align-items:center;gap:32px;margin-left:auto}.desktop-nav a{color:var(--muted);min-height:44px;display:flex;align-items:center;transition:color .18s}.desktop-nav a:hover{color:var(--accent)}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 20px;border:1px solid transparent;border-radius:10px;font-weight:650;cursor:pointer;transition:transform .18s,background .18s,border-color .18s}.button:hover{transform:translateY(-2px)}.button:active{transform:translateY(0)}.button-primary{background:var(--accent-dark);color:#06180d}.button-primary:hover{background:var(--accent)}.button-quiet{border-color:var(--border);background:color-mix(in oklch,var(--surface) 70%,transparent);color:var(--text)}.button-quiet:hover{border-color:var(--accent-dark)}.button-small{min-height:42px;padding:8px 15px;font-size:14px}.hero{min-height:690px;display:grid;grid-template-columns:.88fr 1.12fr;align-items:center;gap:56px;padding-block:76px}.release{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:13px;border:1px solid var(--border);padding:5px 11px;border-radius:30px;background:var(--surface)}.release span{width:6px;height:6px;background:var(--accent);border-radius:50%}.hero h1{font-size:clamp(38px,4.4vw,62px);line-height:1.18;letter-spacing:-2px;margin:24px 0}.hero h1 span{color:var(--accent);white-space:nowrap}.hero-lead{max-width:34em;color:var(--muted);font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.download-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:20px;color:var(--muted);font-size:12px}.download-meta span+span:before{content:"·";margin-right:18px}.hero-visual{position:relative;min-width:0;padding:34px 0 40px}.visual-orbit{display:none}.visual-orbit:before{content:"";position:absolute;inset:15%;border:1px solid color-mix(in oklch,var(--accent) 10%,transparent);border-radius:50%}.app-frame{position:relative;border:1px solid oklch(.43 .04 165);border-radius:13px;overflow:hidden;background:var(--surface);box-shadow:0 32px 80px #0003018c;transform:perspective(1400px) rotateY(-4deg) rotateX(2deg)}.frame-bar{height:30px;display:flex;align-items:center;gap:6px;padding:0 10px;background:#19251f;color:var(--muted);font-size:10px}.frame-bar i{width:6px;height:6px;border-radius:50%;background:#4e6359}.frame-bar span{margin-left:8px}.app-frame img{width:100%;height:auto}.floating-note{position:absolute;right:-18px;bottom:4px;display:flex;align-items:center;gap:12px;background:#192e23;border:1px solid oklch(.43 .055 155);border-radius:12px;padding:12px 17px;box-shadow:0 14px 30px #00050266;color:var(--accent)}.floating-note span{display:flex;flex-direction:column}.floating-note strong{font-size:13px}.floating-note small{color:var(--text);font-size:11px}.trust-strip{border-block:1px solid var(--border);background:#111c17}.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-block:22px}.trust-inner span{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}.trust-inner svg{color:var(--accent);width:17px}.section{padding-block:100px}.section-heading{margin-bottom:46px}.section-heading.compact{margin-bottom:34px}.eyebrow{color:var(--accent);font-size:12px;letter-spacing:2px}.section-heading h2,.download-copy h2{font-size:clamp(30px,3.4vw,44px);line-height:1.25;letter-spacing:-1px;margin:12px 0 16px}.section-heading p,.download-copy p{color:var(--muted);max-width:42em}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--border);border-left:1px solid var(--border)}.feature{padding:30px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);min-height:230px;transition:background .18s}.feature:hover{background:var(--surface)}.feature>svg{color:var(--accent);width:28px;height:28px;margin-bottom:22px}.feature h3{font-size:19px;margin-bottom:10px}.feature p{color:var(--muted);font-size:14px}.workflow{background:#101e17;border-block:1px solid var(--border)}.workflow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.workflow-grid>div{border-top:1px solid oklch(.43 .05 155);padding-top:20px}.workflow-grid span{color:var(--accent);font-size:12px;letter-spacing:2px}.workflow-grid h3{font-size:21px;margin:12px 0}.workflow-grid p{color:var(--muted);font-size:14px}.edition-table{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.edition-row{display:grid;grid-template-columns:1.5fr 1fr 1fr;min-height:58px;border-bottom:1px solid var(--border)}.edition-row:last-child{border-bottom:0}.edition-row>div{padding:14px 24px;display:flex;align-items:center}.edition-row>div+div{border-left:1px solid var(--border)}.edition-row>div:nth-child(n+2){justify-content:center;text-align:center;color:var(--muted)}.edition-head{background:var(--surface);font-weight:650}.edition-head>div:nth-child(n+2){color:var(--text)}.edition-row:last-child>div:nth-child(3){color:var(--accent)}.pro-mark{font-size:10px;letter-spacing:1px;color:#ebc75e;border:1px solid oklch(.48 .07 90);padding:1px 5px;border-radius:4px;margin-right:6px}.download-panel{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;padding:42px;border:1px solid oklch(.4 .055 155);border-radius:20px;background:#11261a}.download-copy .hero-actions{margin-top:24px}.hash-box{min-width:0;background:#09140f;border:1px solid var(--border);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:12px}.hash-box>span{font-size:11px;letter-spacing:2px;color:var(--accent)}.hash-box code{font:12px/1.7 Consolas,monospace;color:var(--muted);word-break:break-all}.copy-button{align-self:flex-start;display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:7px 12px;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);cursor:pointer}.copy-button:hover{border-color:var(--accent)}.copy-button svg{width:16px}.signature-note{color:var(--muted);font-size:12px;margin-top:14px}.guide-list{border-top:1px solid var(--border)}details{border-bottom:1px solid var(--border)}summary{position:relative;cursor:pointer;list-style:none;padding:20px 44px 20px 0;font-weight:650;min-height:64px}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:8px;top:16px;color:var(--accent);font-size:24px;font-weight:400}details[open] summary:after{content:"−"}details p{color:var(--muted);padding:0 40px 22px 0;max-width:75ch}.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--accent);min-height:44px;margin-top:20px}.text-link:hover{text-decoration:underline}.text-link svg{width:17px}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px 48px}.faq-grid h3{font-size:18px;margin-bottom:8px}.faq-grid p{color:var(--muted);font-size:14px}footer{border-top:1px solid var(--border);padding-block:36px;background:#09120e}.footer-inner{display:flex;align-items:center;gap:30px}.footer-inner p{color:var(--muted);font-size:12px;max-width:560px}.footer-inner>.text-link{margin:0 0 0 auto;white-space:nowrap}.footer-brand img{width:36px;height:36px}@media(max-width:960px){.hero{grid-template-columns:1fr;gap:28px;padding-block:60px}.hero-copy{max-width:680px}.hero-visual{width:min(760px,100%);margin:auto}.visual-orbit{display:none}.trust-inner,.feature-grid{grid-template-columns:1fr 1fr}.download-panel{grid-template-columns:1fr}.desktop-nav{gap:20px}.footer-inner{flex-wrap:wrap}.footer-inner>.text-link{margin-left:0}}@media(max-width:640px){.section-wrap,.nav-wrap{width:min(100% - 32px,1180px)}.desktop-nav{display:none}.nav-wrap{min-height:68px}.brand img{width:36px;height:36px}.brand strong{font-size:17px}.button-small{min-height:44px;padding:8px 12px}.hero{min-height:auto;padding-block:44px}.hero h1{font-size:38px;letter-spacing:-1px}.hero-lead{font-size:16px}.hero-actions{flex-direction:column}.hero-actions .button{width:100%}.app-frame{transform:none}.visual-orbit{display:none}.floating-note{right:8px;bottom:10px;padding:8px 11px}.trust-inner{grid-template-columns:1fr;gap:12px}.section{padding-block:68px}.section-heading{margin-bottom:30px}.feature-grid{grid-template-columns:1fr}.feature{min-height:auto;padding:24px}.workflow-grid{grid-template-columns:1fr;gap:26px}.edition-row{grid-template-columns:1.2fr .9fr .9fr;font-size:13px}.edition-row>div{padding:12px 10px}.download-panel{padding:24px;gap:26px}.download-copy .hero-actions{flex-direction:column}.faq-grid{grid-template-columns:1fr;gap:24px}.footer-inner{align-items:flex-start;flex-direction:column;gap:16px}.download-meta span+span:before{margin-right:8px}.download-meta{gap:6px 10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}