:root{--blue: #4C97FF;--blue-dark: #3373CC;--orange: #FF8C1A;--orange-dark: #DB6E00;--green: #59C059;--green-dark: #46A546;--purple: #CF63CF;--yellow: #FFD500;--teal: #00B4A0;--bg: #F7F9FD;--bg-alt: #EDF2FA;--card: #FFFFFF;--text: #3A4356;--dim: #7C8698;--border: #E1E8F2;--shadow: 0 4px 16px rgba(76,151,255,.1);--shadow-lg: 0 12px 40px rgba(51,115,204,.16);--radius: 16px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:PingFang SC,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}section{scroll-margin-top:76px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:12px;font-weight:700;font-size:14px;transition:all .15s;cursor:pointer;border:2px solid transparent;white-space:nowrap}.btn-lg{padding:14px 28px;font-size:16px;border-radius:14px}.btn-xl{padding:18px 40px;font-size:18px;border-radius:16px}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 4px 0 var(--blue-dark),0 6px 16px #4c97ff59}.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px)}.btn-primary:active{transform:translateY(2px);box-shadow:0 1px 0 var(--blue-dark)}.btn-outline{background:#fff;color:var(--blue);border-color:var(--blue)}.btn-outline:hover{background:#4c97ff14}.btn-outline-light{background:transparent;color:#fff;border-color:#ffffffb3}.btn-outline-light:hover{background:#ffffff26}.btn-blue{background:var(--blue);color:#fff;width:100%}.btn-blue:hover{background:var(--blue-dark)}.btn-ghost-sm{background:#4c97ff1a;color:var(--blue-dark);padding:7px 14px;font-size:13px}.btn-ghost-sm:hover{background:#4c97ff33}.btn-dark-sm{background:#24292f;color:#fff;padding:7px 14px;font-size:13px}.btn-dark-sm:hover{background:#3a4149}#nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:24px;padding:12px 32px;background:#ffffffe0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:8px}.brand-emoji{font-size:26px}.brand-name{font-size:17px;font-weight:800;letter-spacing:.3px}.nav-links{display:flex;gap:4px;margin-left:8px}.nav-links a{padding:7px 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--dim);transition:all .12s}.nav-links a:hover{color:var(--blue);background:#4c97ff17}.nav-right{margin-left:auto;display:flex;gap:8px}.hero{position:relative;overflow:hidden;padding:72px 32px 88px;background:linear-gradient(175deg,#EAF2FF 0%,var(--bg) 62%)}.hero-inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.hero-badge{display:inline-block;padding:6px 14px;border-radius:999px;background:#59c05924;color:var(--green-dark);font-size:13px;font-weight:700;margin-bottom:18px}.hero h1{font-size:52px;font-weight:900;line-height:1.22;letter-spacing:1px}.hero h1 em{font-style:normal;color:var(--blue)}.hero-sub{margin-top:18px;font-size:17px;color:var(--dim);max-width:480px}.hero-sub b{color:var(--text)}.hero-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}.hero-cta.center{justify-content:center}.hero-note{margin-top:16px;font-size:13px;color:var(--dim)}.hero-deco{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.deco-block{position:absolute;border-radius:14px;opacity:.5}.d1{width:70px;height:70px;background:var(--yellow);top:9%;left:3%;transform:rotate(-14deg);animation:float 7s ease-in-out infinite}.d2{width:46px;height:46px;background:var(--orange);bottom:14%;left:10%;transform:rotate(10deg);animation:float 9s ease-in-out infinite 1s}.d3{width:56px;height:56px;background:var(--purple);top:16%;right:4%;transform:rotate(16deg);animation:float 8s ease-in-out infinite .5s}.d4{width:34px;height:34px;background:var(--teal);bottom:8%;right:12%;transform:rotate(-8deg);animation:float 10s ease-in-out infinite 2s}@keyframes float{0%,to{translate:0 0}50%{translate:0 -16px}}.hero-visual{position:relative}.mock-window{background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);border:1px solid var(--border);overflow:hidden;transform:rotate(1.2deg);transition:transform .3s}.mock-window:hover{transform:rotate(0) scale(1.015)}.mock-titlebar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:linear-gradient(90deg,var(--blue),#6C7BFF)}.dot{width:11px;height:11px;border-radius:50%}.dot.red{background:#ff5f57}.dot.yellow{background:#febc2e}.dot.green{background:#28c840}.mock-title{margin-left:8px;color:#fff;font-size:12px;font-weight:800}.mock-body{display:flex;height:240px}.mock-palette{width:92px;flex-shrink:0;padding:10px 8px;background:#f1f5fb;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:7px}.pill{padding:5px 6px;border-radius:8px;font-size:10.5px;font-weight:700;color:#fff;text-align:center}.p-blue{background:var(--blue)}.p-orange{background:var(--orange)}.p-purple{background:var(--purple)}.p-green{background:var(--green)}.p-yellow{background:#e6b800}.mock-canvas{flex:1;padding:18px 14px;display:flex;flex-direction:column;gap:0;align-items:flex-start;background:linear-gradient(rgba(200,215,235,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(200,215,235,.25) 1px,transparent 1px);background-size:18px 18px}.mblock{padding:8px 14px;border-radius:9px;color:#fff;font-size:12px;font-weight:700;box-shadow:0 2px #00000024;position:relative}.mblock+.mblock{margin-top:6px}.mblock+.mblock:before{content:"";position:absolute;top:-6px;left:16px;width:18px;height:6px;border-radius:0 0 4px 4px;background:inherit}.m-blue{background:var(--blue)}.m-orange{background:var(--orange)}.m-purple{background:var(--purple)}.mock-stage{width:168px;flex-shrink:0;padding:12px;border-left:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.stage-screen{flex:1;border-radius:10px;background:#171a26;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.stage-circle{width:62px;height:62px;border-radius:50%;background:var(--blue);box-shadow:0 0 24px #4c97ff8c;animation:pop 2.6s ease-in-out infinite}@keyframes pop{0%,to{transform:scale(.72);opacity:.65}50%{transform:scale(1);opacity:1}}.stage-run{padding:7px 0;text-align:center;border-radius:9px;background:var(--green);color:#fff;font-size:12px;font-weight:800;box-shadow:0 2px 0 var(--green-dark)}.mock-caption{text-align:center;margin-top:16px;font-size:14px;font-weight:700;color:var(--dim)}.section{padding:84px 32px}.section-alt{background:var(--bg-alt)}.section-title{text-align:center;font-size:34px;font-weight:900;letter-spacing:.5px}.section-sub{text-align:center;color:var(--dim);margin-top:10px;font-size:15px}.feature-grid{max-width:1080px;margin:44px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);transition:all .18s}.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#4c97ff66}.feature-emoji{font-size:34px;margin-bottom:10px}.feature-card h3{font-size:17px;font-weight:800;margin-bottom:7px}.feature-card p{font-size:13.5px;color:var(--dim);line-height:1.75}.version-grid{max-width:920px;margin:44px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:22px}.version-card{background:var(--card);border:2px solid var(--border);border-radius:20px;padding:30px 28px;display:flex;flex-direction:column;transition:all .18s}.version-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.version-card.featured{border-color:var(--blue);box-shadow:var(--shadow-lg);position:relative}.version-card.featured:after{content:"推荐日常使用";position:absolute;top:-13px;right:22px;background:var(--green);color:#fff;font-size:12px;font-weight:800;padding:3px 12px;border-radius:999px;box-shadow:0 2px 6px #46a04666}.version-tag{display:inline-block;align-self:flex-start;padding:5px 13px;border-radius:999px;font-size:13px;font-weight:800;margin-bottom:14px}.tag-beta{background:#ff8c1a24;color:var(--orange-dark)}.tag-stable{background:#4c97ff24;color:var(--blue-dark)}.version-card 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li{margin:4px 0}.note-steps li::marker{font-weight:800}.faq-list{max-width:760px;margin:40px auto 0;display:flex;flex-direction:column;gap:10px}.faq-item{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:0 22px;transition:all .15s}.faq-item[open]{border-color:#4c97ff73;box-shadow:var(--shadow)}.faq-item summary{padding:16px 30px 16px 0;font-weight:700;font-size:15px;cursor:pointer;list-style:none;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";position:absolute;right:2px;top:50%;transform:translateY(-50%);color:var(--blue);font-weight:900;font-size:17px}.faq-item[open] summary:after{content:"－"}.faq-item p{padding:0 0 18px;font-size:14px;color:var(--dim);line-height:1.85}.faq-item p b{color:var(--text)}.faq-item code{background:var(--bg-alt);padding:2px 7px;border-radius:5px;font-family:SF Mono,Menlo,monospace;font-size:12.5px;color:var(--blue-dark)}.final-cta{padding:84px 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rgba(255,255,255,.09);font-size:12.5px;color:#6e7890;text-align:center}@media(max-width:900px){.hero-inner{grid-template-columns:1fr;gap:40px}.hero h1{font-size:38px}.feature-grid{grid-template-columns:1fr 1fr}.version-grid{grid-template-columns:1fr}.steps{flex-direction:column;align-items:center}.step-arrow{transform:rotate(90deg)}.nav-links{display:none}}@media(max-width:560px){.feature-grid{grid-template-columns:1fr}.hero{padding:48px 20px 64px}.section{padding:60px 20px}#nav{padding:10px 16px;gap:10px}.nav-right .btn-ghost-sm{display:none}}