:root{color:#151922;background:#f6f7fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:#f6f7fb}button,input,select,textarea{font:inherit}button{cursor:pointer}.site-shell{--page: #f6f7fb;--panel: #ffffff;--panel-2: #f1f4f9;--text: #141821;--muted: #606b7c;--line: rgba(20, 24, 33, .12);--accent: #2267e8;--accent-2: #13a37a;--accent-3: #f0643f;--button-text: #ffffff;--shadow: 0 22px 70px rgba(29, 38, 58, .12);min-height:100vh;overflow-x:hidden;color:var(--text);background:var(--page)}.theme-console{--page: #10120f;--panel: rgba(22, 26, 21, .94);--panel-2: rgba(230, 255, 196, .07);--text: #f5f2e8;--muted: #c6c1ad;--line: rgba(244, 220, 153, .16);--accent: #b7ff5d;--accent-2: #52d5ff;--accent-3: #ffc554;--button-text: #11150d;--shadow: 0 24px 80px rgba(0, 0, 0, .34)}.topbar{position:fixed;top:0;left:0;right:0;z-index:30;display:grid;grid-template-columns:auto auto;align-items:center;justify-content:space-between;gap:20px;height:76px;padding:0 42px;color:var(--text);background:color-mix(in srgb,var(--page) 82%,transparent);border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.brand{display:inline-flex;align-items:center;min-width:0;gap:10px;color:inherit;text-decoration:none;font-weight:800}.brand img{width:34px;height:34px;object-fit:contain}.brand span{white-space:nowrap}.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:6px}.nav-links button{height:38px;padding:0 13px;color:var(--muted);background:transparent;border:0;border-radius:6px;transition:background .16s ease,color .16s ease}.nav-links button:hover{color:var(--text);background:color-mix(in srgb,var(--panel-2) 78%,transparent)}.hero{position:relative;display:grid;place-items:center;height:100vh;height:100svh;min-height:720px;padding:104px 42px 58px;overflow:hidden;isolation:isolate}.hero:before{content:"";position:absolute;inset:0;z-index:-3}.hero-media{position:absolute;inset:0;z-index:-2;overflow:hidden}.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.38;transform:scale(1.03)}.theme-console .hero:before{background:linear-gradient(90deg,#0e100cfa,#121912e6 48%,#1a150b94),repeating-linear-gradient(0deg,rgba(183,255,93,.08) 0 1px,transparent 1px 42px),repeating-linear-gradient(90deg,rgba(82,213,255,.06) 0 1px,transparent 1px 46px)}.theme-console .hero-media img{opacity:.22;filter:contrast(1.05) saturate(.9)}.hero-inner{position:relative;display:grid;grid-template-columns:1fr;align-items:center;width:min(1220px,100%);height:100%}.hero-copy{max-width:980px}.section-kicker{display:inline-flex;align-items:center;gap:8px;margin:0 0 14px;color:var(--accent);font-size:14px;font-weight:800}.hero-headline{margin:0;max-width:980px;color:var(--text);font-size:clamp(38px,4.7vw,72px);line-height:1.12;font-weight:860;letter-spacing:0}.hero-subline{margin:18px 0 0;max-width:820px;color:color-mix(in srgb,var(--muted) 82%,var(--accent));font-size:clamp(15px,1.25vw,19px);line-height:1.75;font-weight:620;letter-spacing:0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.primary-action,.secondary-action{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:7px;font-weight:820;text-decoration:none;transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border .16s ease}.platform-logo{width:18px;height:18px;flex:none;fill:currentColor}.apple-logo{width:19px;height:19px}.primary-action{color:var(--button-text);background:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 88%,#ffffff);box-shadow:0 18px 46px color-mix(in srgb,var(--accent) 28%,transparent)}.secondary-action{color:var(--text);background:color-mix(in srgb,var(--panel) 64%,transparent);border:1px solid var(--line)}.primary-action:hover,.secondary-action:hover{transform:translateY(-1px)}.theme-console .hero-inner{grid-template-columns:1fr;align-content:center}.theme-console .hero-copy{position:relative;z-index:2;max-width:980px}.theme-console .hero-headline{max-width:980px}.hero-scroll{position:absolute;left:50%;bottom:18px;display:grid;place-items:center;width:38px;height:38px;color:var(--text);background:color-mix(in srgb,var(--panel) 72%,transparent);border:1px solid var(--line);border-radius:999px;transform:translate(-50%)}.section{scroll-margin-top:88px;padding:92px 42px}.section-inner{width:min(1180px,100%);margin:0 auto}.section-heading,.tutorial-intro{max-width:820px;margin-bottom:34px}.section-heading h2,.tutorial-intro h2,.contact-layout h2{margin:0;color:var(--text);font-size:clamp(30px,3.2vw,44px);line-height:1.18;letter-spacing:0}.section-heading p,.tutorial-intro p,.contact-layout p{margin:14px 0 0;color:var(--muted);font-size:16px;line-height:1.8}.features-section{background:linear-gradient(180deg,var(--page) 0%,color-mix(in srgb,var(--page) 86%,var(--panel)) 100%)}.downloads-section{background:color-mix(in srgb,var(--panel) 76%,var(--page))}.download-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.feature-card,.download-card,.tutorial-panel,.lead-form{border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:var(--shadow)}.download-card{display:grid;min-height:390px;padding:24px}.download-card.recommended{border-color:color-mix(in srgb,var(--accent) 36%,var(--line))}.download-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0}.download-platform,.download-status{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:6px;font-size:13px;font-weight:820}.download-platform{color:var(--button-text);background:var(--accent)}.download-status{color:var(--muted);background:color-mix(in srgb,var(--panel-2) 86%,transparent);border:1px solid var(--line)}.download-card.available .download-status{color:var(--accent-2);border-color:color-mix(in srgb,var(--accent-2) 42%,transparent)}.download-card h3{margin:24px 0 0;color:var(--text);font-size:24px;line-height:1.25}.download-card p{margin:12px 0 0;color:var(--muted);line-height:1.72}.download-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0}.download-meta div{min-width:0;padding:12px;background:color-mix(in srgb,var(--panel-2) 72%,transparent);border:1px solid var(--line);border-radius:7px}.download-meta dt{color:var(--muted);font-size:12px;font-weight:760}.download-meta dd{margin:5px 0 0;color:var(--text);font-weight:780;line-height:1.35;overflow-wrap:anywhere}.download-action{align-self:end;display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;width:100%;color:var(--text);background:color-mix(in srgb,var(--panel-2) 86%,transparent);border:1px solid var(--line);border-radius:7px;font-weight:820}.download-action.primary{color:var(--button-text);background:var(--accent);border-color:color-mix(in srgb,var(--accent) 88%,#ffffff)}.feature-card{min-height:226px;padding:24px}.feature-icon{display:grid;place-items:center;width:48px;height:48px;color:var(--button-text);background:linear-gradient(135deg,var(--accent),var(--accent-2));border-radius:8px}.feature-card:nth-child(3n) .feature-icon{background:linear-gradient(135deg,var(--accent-3),var(--accent))}.feature-card h3,.tutorial-panel h3{min-width:0;margin:22px 0 0;color:var(--text);font-size:20px;line-height:1.28}.feature-card p,.tutorial-panel p{margin:12px 0 0;color:var(--muted);line-height:1.75}.tutorials-section{background:color-mix(in srgb,var(--panel) 75%,var(--page))}.tutorial-workspace{display:grid;gap:18px}.tutorial-tabs{display:flex;flex-wrap:wrap;gap:8px}.tutorial-tabs button{min-height:40px;padding:0 14px;color:var(--muted);background:color-mix(in srgb,var(--panel-2) 88%,transparent);border:1px solid transparent;border-radius:7px;font-weight:760}.tutorial-tabs button.active{color:var(--text);background:color-mix(in srgb,var(--accent) 16%,var(--panel));border-color:color-mix(in srgb,var(--accent) 35%,transparent)}.tutorial-content{display:grid;grid-template-columns:360px minmax(0,1fr);gap:18px}.tutorial-list{display:grid;align-content:start;gap:10px}.tutorial-item{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:12px;min-height:76px;padding:13px;color:var(--muted);text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:8px}.tutorial-item.active{color:var(--text);background:color-mix(in srgb,var(--accent) 12%,var(--panel));border-color:color-mix(in srgb,var(--accent) 35%,transparent)}.tutorial-item strong,.tutorial-item small{display:block;min-width:0}.tutorial-item strong{color:var(--text);line-height:1.35}.tutorial-item small{margin-top:5px;color:var(--muted)}.tutorial-play{display:grid;place-items:center;width:40px;height:40px;color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--panel));border-radius:8px}.tutorial-panel{display:grid;grid-template-columns:minmax(240px,.9fr) minmax(0,1.1fr);min-height:430px;overflow:hidden}.video-frame{display:grid;place-items:center;gap:12px;color:var(--button-text);background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 90%,#111827),color-mix(in srgb,var(--accent-2) 84%,#111827)),url(/assets/saydream-hero-ai-coding.png) center / cover no-repeat;font-weight:840}.tutorial-detail{min-width:0;padding:30px}.tutorial-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.tutorial-title-row h3{margin-top:0}.tutorial-title-row span{flex:none;color:var(--accent-3);font-weight:820}.tutorial-detail ol{display:grid;gap:12px;margin:22px 0 0;padding:0;list-style:none}.tutorial-detail li{display:flex;align-items:flex-start;gap:9px;color:var(--muted);line-height:1.55}.tutorial-detail li svg{flex:none;margin-top:3px;color:var(--accent-2)}.text-link{display:inline-flex;align-items:center;gap:7px;margin-top:24px;color:var(--accent);background:transparent;border:0;font-weight:820;text-decoration:none}.as-button{padding:0}.contact-section{background:var(--page)}.contact-layout{display:grid;grid-template-columns:minmax(0,.92fr) minmax(360px,.74fr);gap:34px;align-items:start}.contact-copy{position:sticky;top:104px}.lead-form{display:grid;gap:16px;padding:24px}.lead-form label{display:grid;gap:7px;min-width:0}.lead-form span{color:var(--muted);font-size:13px;font-weight:780}.lead-form input,.lead-form select,.lead-form textarea{width:100%;min-width:0;color:var(--text);background:color-mix(in srgb,var(--panel) 92%,var(--page));border:1px solid var(--line);border-radius:7px;outline:none;transition:border .15s ease,box-shadow .15s ease}.lead-form input,.lead-form select{height:44px;padding:0 12px}.lead-form textarea{resize:vertical;padding:11px 12px}.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{border-color:color-mix(in srgb,var(--accent) 72%,#ffffff);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 20%,transparent)}.form-submit{width:100%}.form-submit:disabled{cursor:not-allowed;opacity:.72}.form-status{margin:0;color:var(--accent-2);line-height:1.5}.site-footer{display:flex;justify-content:space-between;gap:16px;padding:28px 42px;color:var(--muted);background:color-mix(in srgb,var(--panel) 86%,var(--page));border-top:1px solid var(--line)}@media(max-width:1100px){.topbar{grid-template-columns:auto auto}.nav-links{display:none}.hero-inner{grid-template-columns:1fr;gap:24px}.hero-copy{max-width:820px}}@media(max-width:900px){.topbar{height:auto;min-height:76px;grid-template-columns:1fr;gap:10px;padding:12px 22px}.hero{min-height:820px;padding:132px 22px 52px}.download-grid,.feature-grid,.tutorial-content,.tutorial-panel,.contact-layout{grid-template-columns:1fr}.section{padding:72px 22px}.feature-card{min-height:auto}.video-frame{min-height:240px}.contact-copy{position:static}}@media(max-width:640px){.hero{min-height:720px}.hero-headline{font-size:32px}.section-heading p,.tutorial-intro p,.hero-subline,.contact-layout p{font-size:15px}.hero-actions,.primary-action,.secondary-action{width:100%}.download-card{min-height:auto;padding:20px}.download-card-head,.download-meta{grid-template-columns:1fr}.download-card-head{align-items:flex-start;flex-direction:column}.contact-layout{grid-template-columns:minmax(0,1fr)}.site-footer{flex-direction:column;padding:22px}}
