:root{--accent:#ff6a3d;--accent-2:#ff8a4d;--ink:#1f2328;--ink-dim:#6b7280;--bg:#fff;--bg-alt:#faf7f5;--border:#ececec;--card-shadow:0 10px 30px #1f232812;--radius:16px;font-size:16px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--bg);font:16px/1.7 -apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}.container{width:min(1080px,92%);margin:0 auto}.container-narrow{width:min(760px,92%)}.btn{border-radius:999px;padding:12px 26px;font-weight:600;text-decoration:none;transition:transform .15s,box-shadow .15s,filter .15s;display:inline-block}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;box-shadow:0 8px 20px #ff6a3d59}.btn-primary:hover{filter:brightness(1.05)}.btn-ghost{border:1.5px solid var(--border);color:var(--ink);background:#fff}.btn-small{padding:8px 18px;font-size:.9rem}.btn-large{padding:15px 34px;font-size:1.05rem}.nav{z-index:50;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#ffffffd9;position:sticky;top:0}.nav-inner{align-items:center;gap:28px;height:62px;display:flex}.nav-logo{color:var(--ink);align-items:center;gap:9px;font-size:1.2rem;font-weight:800;text-decoration:none;display:flex}.nav-logo-img{object-fit:contain;border-radius:22%;width:30px;height:30px;box-shadow:0 1px 3px #00000024,0 0 0 1px #0000000d}.footer-logo{object-fit:contain;border-radius:22%;width:84px;height:84px;margin:0 auto 14px;display:block;box-shadow:0 6px 26px #00000059}.nav-links{gap:22px;margin-left:auto;display:flex}.nav-links a{color:var(--ink-dim);font-size:.95rem;text-decoration:none}.nav-links a:hover{color:var(--accent)}@media (max-width:640px){.nav-links{display:none}.nav-inner{justify-content:space-between}}.hero{background:radial-gradient(60% 90% at 85% 10%, #ff8a4d1f, transparent 60%), radial-gradient(50% 80% at 10% 90%, #ff6a3d14, transparent 60%), var(--bg);padding:84px 0 96px}.hero-inner{grid-template-columns:1.1fr .9fr;align-items:center;gap:48px;display:grid}@media (max-width:860px){.hero-inner{grid-template-columns:1fr}.hero-mock{display:none}}.hero-badge{color:var(--accent);background:#fff1ea;border:1px solid #ffd8c7;border-radius:999px;margin-bottom:20px;padding:4px 14px;font-size:.8rem;font-weight:600;display:inline-block}.hero h1{letter-spacing:-.02em;margin-bottom:20px;font-size:clamp(2rem,4.5vw,3.2rem);line-height:1.25}.grad{background:linear-gradient(120deg, var(--accent), #ff9a3d);color:#0000;-webkit-background-clip:text;background-clip:text}.hero-sub{color:var(--ink-dim);max-width:34em;margin-bottom:30px;font-size:1.1rem}.hero-actions{flex-wrap:wrap;gap:14px;display:flex}.hero-note{color:var(--ink-dim);margin-top:16px;font-size:.85rem}.hero-mock{justify-content:center;display:flex}.mock-popup{border:1px solid var(--border);width:340px;box-shadow:var(--card-shadow), 0 24px 60px #ff6a3d1f;background:#fff;border-radius:18px;padding:14px;animation:5s ease-in-out infinite floaty;transform:rotate(1.5deg)}@keyframes floaty{0%,to{transform:rotate(1.5deg)translateY(0)}50%{transform:rotate(1.5deg)translateY(-10px)}}.mock-head{justify-content:space-between;align-items:center;margin-bottom:10px;font-size:.95rem;display:flex}.mock-logo{object-fit:contain;vertical-align:-3px;border-radius:22%;width:18px;height:18px;margin-right:5px}.mock-search{color:var(--ink-dim);background:#f4f5f7;border-radius:8px;padding:5px 10px;font-size:.75rem}.mock-actions{gap:8px;margin-bottom:12px;display:flex}.mock-btn{text-align:center;border-radius:10px;flex:1;padding:8px 0;font-size:.8rem;font-weight:700}.mock-btn-primary{background:var(--accent);color:#fff}.mock-group{margin-bottom:10px}.mock-group-head{color:var(--ink-dim);align-items:center;gap:7px;padding:4px 2px;font-size:.75rem;font-weight:700;display:flex}.mock-group-head i{background:var(--c,#ccc);border-radius:50%;width:9px;height:9px}.mock-caret{color:#9aa0a6;font-size:8px;font-weight:400;line-height:1;display:inline-block}.mock-caret.is-collapsed{transform:rotate(-90deg)}.mock-group-head em{background:#f4f5f7;border-radius:999px;margin-left:auto;padding:0 8px;font-size:.7rem;font-style:normal}.mock-row{white-space:nowrap;text-overflow:ellipsis;background:#fafbfc;border-radius:8px;align-items:center;margin-bottom:4px;margin-left:12px;padding:7px 9px;font-size:.8rem;display:flex;overflow:hidden}.mock-row:before{content:"";background:linear-gradient(135deg, var(--accent), var(--accent-2));opacity:.55;border-radius:3px;flex-shrink:0;width:12px;height:12px;margin-right:8px}.mock-row.dim{opacity:.55}.mock-row.mock-preview{color:#9aa0a6;background:0 0;border:1px dashed #e6e8eb}.mock-row.mock-preview:before{opacity:.3}.mock-more{color:#9aa0a6;background:#f4f5f7;border-radius:999px;flex-shrink:0;margin-left:auto;padding:1px 7px;font-size:.68rem;font-weight:700}.mock-stat{color:var(--ink-dim);text-align:center;border-top:1px solid var(--border);padding-top:9px;font-size:.7rem}.section{padding:84px 0}.section-alt{background:var(--bg-alt)}.section-title{text-align:center;letter-spacing:-.01em;margin-bottom:10px;font-size:clamp(1.5rem,3vw,2.1rem)}.section-sub{text-align:center;color:var(--ink-dim);margin-bottom:48px}.grid-3{grid-template-columns:repeat(3,1fr);gap:22px;display:grid}@media (max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.grid-3{grid-template-columns:1fr}}.card{border:1px solid var(--border);border-radius:var(--radius);background:#fff;padding:28px 24px;transition:transform .2s,box-shadow .2s}.card:hover{box-shadow:var(--card-shadow);transform:translateY(-4px)}.card-icon{background:#fff1ea;border-radius:12px;place-items:center;width:48px;height:48px;margin-bottom:16px;font-size:1.5rem;display:grid}.card h3{margin-bottom:8px;font-size:1.08rem}.card p{color:var(--ink-dim);font-size:.92rem}.steps{grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:34px;display:grid}@media (max-width:800px){.steps{grid-template-columns:1fr}}.step{border:1px solid var(--border);border-radius:var(--radius);background:#fff;padding:26px 24px;position:relative}.step-num{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;border-radius:50%;place-items:center;width:34px;height:34px;margin-bottom:14px;font-weight:800;display:inline-grid}.step h3{margin-bottom:6px;font-size:1.05rem}.step p{color:var(--ink-dim);font-size:.92rem}.step code,.tip code{color:#d24a1e;background:#fff1ea;border-radius:6px;padding:1px 7px;font-size:.85em}.tip{border-radius:var(--radius);color:#8a4a2c;background:#fff8f4;border:1px dashed #ffcdb2;padding:16px 22px;font-size:.95rem}.compat-grid{grid-template-columns:repeat(3,1fr);gap:22px;display:grid}@media (max-width:800px){.compat-grid{grid-template-columns:1fr}}.compat-card{text-align:center;border:1px solid var(--border);border-radius:var(--radius);background:#fff;padding:34px 22px;transition:transform .2s,box-shadow .2s}.compat-card:hover{box-shadow:var(--card-shadow);transform:translateY(-4px)}.compat-logo{margin-bottom:10px;font-size:2.2rem;display:block}.compat-card h3{margin-bottom:6px;font-size:1.05rem}.compat-card p{color:var(--ink-dim);font-size:.9rem}.faq-item{border:1px solid var(--border);background:#fff;border-radius:12px;margin-bottom:12px;padding:18px 22px}.faq-item summary{cursor:pointer;padding-right:28px;font-weight:600;list-style:none;position:relative}.faq-item summary:after{content:"+";color:var(--accent);font-size:1.2rem;font-weight:700;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.faq-item[open] summary:after{content:"–"}.faq-item p{color:var(--ink-dim);margin-top:10px;font-size:.95rem}.footer{color:#fff;text-align:center;background:linear-gradient(135deg,#241a15,#3a2318);padding:76px 0 50px}.footer h2{margin-bottom:26px;font-size:clamp(1.4rem,3vw,2rem)}.footer-note{color:#ffffff8c;margin-top:34px;font-size:.85rem}.changelog{gap:18px;display:grid}.release{border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--card-shadow);background:#fff;padding:22px 24px;scroll-margin-top:80px}.release h3{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;font-size:1.05rem;display:flex}.release-tag{color:var(--accent);background:#ff6a3d1a;border-radius:999px;padding:2px 10px;font-size:.78rem;font-weight:600}.release-summary{color:var(--ink-dim);margin-bottom:10px;font-size:.92rem}.release ul{color:var(--ink-dim);margin:0;padding-left:20px;font-size:.92rem}.release li{margin-top:6px}.release code{background:var(--bg-alt);border-radius:4px;padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em}