*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #0d9488;--primary-dark: #0f766e;--accent: #6366f1;--bg: #0f172a;--text: #ffffff;--text-muted: rgba(255, 255, 255, .7);--border: rgba(255, 255, 255, .12);--card: rgba(255, 255, 255, .06);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--shadow-md: 0 4px 16px rgba(0, 0, 0, .3);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .4)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;min-height:100vh;color:var(--text);background:var(--bg);overflow-x:hidden}.bg{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;background:radial-gradient(ellipse 80% 50% at 20% 0%,rgba(13,148,136,.45),transparent 55%),radial-gradient(ellipse 60% 40% at 90% 10%,rgba(99,102,241,.35),transparent 50%),radial-gradient(ellipse 50% 60% at 50% 100%,rgba(14,165,233,.25),transparent 55%),linear-gradient(160deg,#0f172a,#134e4a 40%,#1e1b4b)}.bg:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:28px 28px;opacity:.5}.page{position:relative;z-index:1;max-width:1120px;margin:0 auto;padding:0 24px 64px}.hero{padding:120px 0 56px;display:flex;flex-direction:column;align-items:center;text-align:center}.hero-lead{max-width:640px;margin-bottom:32px}.hero-lead p{font-size:clamp(20px,2.5vw,26px);font-weight:700;color:var(--text);line-height:1.4;letter-spacing:-.01em;margin-bottom:14px}.hero-lead .hero-sub{font-size:15px;font-weight:400;color:var(--text-muted);line-height:1.7}.hero-platform{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:#0d94882e;color:#5eead4;border-radius:999px;font-size:13px;font-weight:600;border:1px solid rgba(13,148,136,.4);margin-top:18px}.hero-platform svg{width:16px;height:16px}.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 max(24px,calc((100vw - 1120px)/2));background:transparent;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;border-bottom:1px solid transparent}.site-header.is-scrolled{background:#0f172ab8;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom-color:#ffffff1f;box-shadow:0 4px 24px #00000040}.site-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:800;letter-spacing:-.01em;text-decoration:none;white-space:nowrap}.site-brand img{width:30px;height:30px;border-radius:8px;object-fit:cover}.site-nav{display:flex;align-items:center;gap:28px}.site-nav a{color:#ffffffb3;font-size:14px;font-weight:500;text-decoration:none;transition:color .2s ease}.site-nav a:hover{color:#fff}.nav-toggle{display:none;width:38px;height:38px;border:1px solid rgba(255,255,255,.15);border-radius:10px;color:#fff;background:#ffffff0f;cursor:pointer}.nav-toggle span{display:block;width:16px;height:2px;margin:3px auto;border-radius:999px;background:currentColor}.download-block{width:100%;max-width:420px}.version-block{text-align:center;margin-bottom:20px;min-height:60px}.version-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}.version-number{font-size:24px;font-weight:800;color:var(--text);letter-spacing:-.02em}.version-meta{margin-top:4px;font-size:13px;color:var(--text-muted)}.status-loading{color:var(--text-muted);font-size:14px}.status-error{color:#dc2626;font-size:13px;line-height:1.5}.download-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;margin:0 auto 12px;padding:15px 28px;font-size:16px;font-weight:700;color:#fff;text-decoration:none;border-radius:12px;cursor:pointer;background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);box-shadow:0 8px 24px #0d94884d;transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease}.download-btn:hover:not(.is-disabled){transform:translateY(-2px);box-shadow:0 12px 32px #0d948866;color:#fff}.download-btn:active:not(.is-disabled){transform:translateY(0)}.download-btn.is-disabled{opacity:.5;cursor:not-allowed;box-shadow:none;pointer-events:none}.download-btn svg{width:20px;height:20px;flex-shrink:0}.download-hint{text-align:center;font-size:12px;color:var(--text-muted);line-height:1.5}.product-switch{text-align:center;font-size:13px;color:var(--text-muted);margin-top:10px}.product-switch a{color:#5eead4;text-decoration:none;font-weight:600}.product-switch a:hover{text-decoration:underline}.release-notes{margin-top:20px;padding-top:18px;border-top:1px solid var(--border);text-align:left;display:none}.release-notes.show{display:block}.release-notes h3{font-size:13px;color:var(--text-muted);margin-bottom:8px;font-weight:600}.release-notes pre{font-family:inherit;font-size:13px;line-height:1.65;color:var(--text);white-space:pre-wrap;word-break:break-word}.section{padding:64px 0}.section-head{text-align:center;margin-bottom:36px}.section-head h2{font-size:28px;font-weight:800;color:var(--text);letter-spacing:-.02em;margin-bottom:8px}.section-head p{font-size:14px;color:var(--text-muted)}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.feature-item{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}.feature-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.feature-item .icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;font-size:22px;margin-bottom:16px;background:linear-gradient(135deg,#0d948838,#6366f138);border:1px solid rgba(255,255,255,.1);box-shadow:0 4px 12px #0003}.feature-item h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px}.feature-item p{font-size:14px;color:var(--text-muted);line-height:1.6}.audience-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.audience-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}.audience-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.audience-card .icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:11px;font-size:20px;margin-bottom:14px;background:linear-gradient(135deg,#0d948838,#6366f138);border:1px solid rgba(255,255,255,.1)}.audience-card h3{font-size:15px;font-weight:700;color:var(--text);margin-bottom:6px}.audience-card p{font-size:13px;color:var(--text-muted);line-height:1.6}.audience-footer{margin-top:28px;padding:16px 18px;background:#0d948826;border-left:3px solid var(--primary);border-radius:8px;font-size:14px;color:#ffffffd9;line-height:1.6}.workflow-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;counter-reset:step}.workflow-step{position:relative;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px 22px 22px;box-shadow:var(--shadow-sm)}.workflow-step .step-number{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;box-shadow:0 4px 10px #0d948840}.workflow-step h3{font-size:15px;font-weight:700;color:var(--text);margin-bottom:6px}.workflow-step p{font-size:13px;color:var(--text-muted);line-height:1.6}.faq{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:8px 28px;box-shadow:var(--shadow-sm)}.faq-item{border-bottom:1px solid var(--border);padding:18px 0}.faq-item:last-child{border-bottom:none}.faq-q{display:flex;align-items:center;gap:10px;width:100%;background:transparent;border:none;color:var(--text);text-align:left;font-size:15px;font-weight:600;cursor:pointer;padding:0;line-height:1.5}.faq-q .faq-icon{flex-shrink:0;width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff}.faq-q .faq-arrow{margin-left:auto;color:var(--text-muted);transition:transform .2s ease;font-size:14px}.faq-item.is-open .faq-q .faq-arrow{transform:rotate(180deg)}.faq-a{display:none;margin-top:12px;padding-left:32px;font-size:14px;color:var(--text-muted);line-height:1.7}.faq-item.is-open .faq-a{display:block}.faq-a ul{margin:6px 0 6px 18px;padding:0}.faq-a li{margin-bottom:4px}.faq-a code{background:#0d948840;color:#5eead4;padding:1px 6px;border-radius:5px;font-size:13px}.faq-a .tip{margin-top:10px;padding:10px 12px;background:#6366f12e;border-left:3px solid var(--accent);border-radius:8px;font-size:13px;color:#ffffffd9}.unsupported{text-align:center;padding:14px 20px;background:#ffffff0a;border-radius:12px;border:1px dashed rgba(255,255,255,.2);color:#ffffff8c;font-size:13px;line-height:1.6;margin-top:32px}.footer{text-align:center;font-size:12px;color:#fff6;margin-top:32px}.footer-cross{margin-bottom:10px;font-size:13px;color:#ffffff8c}.footer-cross a{color:#5eead4;text-decoration:none;font-weight:600}.footer-cross a:hover{text-decoration:underline}@media(max-width:640px){.site-header{height:60px;padding:0 16px}.site-nav{display:none}.site-header.is-open{height:auto;align-items:stretch;flex-wrap:wrap;padding:12px 16px;border-bottom-color:#ffffff1f}.site-header.is-open .site-brand{height:36px}.site-nav{width:100%;flex-direction:column;align-items:stretch;gap:2px;padding-top:10px}.site-header.is-open .site-nav{display:flex}.site-nav a{padding:11px 12px;border-radius:10px;background:#ffffff0f;color:#fff}.nav-toggle{display:block;margin-left:auto}.download-block{max-width:100%}.section{padding:48px 0}.section-head h2{font-size:24px}}.feature-matrix{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}.feature-group{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}.feature-group:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.feature-group-title{margin:0 0 16px;font-size:15px;font-weight:700;color:var(--text);padding-bottom:12px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}.feature-group-title:before{content:"";width:3px;height:14px;border-radius:999px;background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%)}.feature-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.feature-item{padding:12px 14px;background:#ffffff08;border:1px solid var(--border);border-radius:10px;transition:background .2s ease,border-color .2s ease}.feature-item:hover{background:#ffffff0f;border-color:#fff3}.feature-item-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.feature-name{font-size:14px;font-weight:600;color:var(--text)}.feature-desc{display:block;margin-top:6px;font-size:12px;color:var(--text-muted);line-height:1.6}.feature-badge{flex-shrink:0;font-size:11px;padding:2px 10px;border-radius:999px;font-weight:600;letter-spacing:.02em}.feature-badge.is-free{background:#22c55e29;color:#86efac;border:1px solid rgba(34,197,94,.3)}.feature-badge.is-paid{background:#ffd47929;color:#ffd479;border:1px solid rgba(255,212,121,.3)}