*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--accent:#1e6fe8;--accent-dark:#1559c2;--bg:#060d1a;--bg2:#0d1b2e;--card-bg:rgba(255,255,255,.04);--card-border:rgba(255,255,255,.08);--text:#f0f4ff;--muted:rgba(240,244,255,.5);--radius:12px}body{font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}.navbar{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 40px;height:64px;background:#060d1ad9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--card-border)}.nav-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700}.nav-logo-icon{width:22px;height:22px;border-radius:6px;box-shadow:0 0 18px #1e6fe861}.nav-links{display:flex;gap:8px}.btn-outline{padding:8px 20px;border-radius:8px;border:1px solid rgba(255,255,255,.2);color:var(--text);font-size:13.5px;font-weight:500;cursor:pointer;background:transparent;text-decoration:none;transition:border-color .2s,background .2s;display:inline-flex;align-items:center}.btn-outline:hover{border-color:var(--accent);background:#1e6fe81f}.btn-fill{padding:8px 20px;border-radius:8px;border:none;background:var(--accent);color:#fff;font-size:13.5px;font-weight:600;cursor:pointer;text-decoration:none;transition:background .2s,transform .15s;display:inline-flex;align-items:center;gap:6px}.btn-fill:hover{background:var(--accent-dark);transform:translateY(-1px)}.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:100px 24px 60px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(30,111,232,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(30,111,232,.06) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,black 30%,transparent 100%);mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,black 30%,transparent 100%)}.glow{position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none}.glow-1{width:600px;height:400px;background:#1e6fe82e;top:10%;left:20%}.glow-2{width:400px;height:300px;background:#643cdc1f;top:30%;right:15%}.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:20px;border:1px solid rgba(30,111,232,.4);background:#1e6fe81a;font-size:12px;font-weight:600;color:#7eb3ff;margin-bottom:28px;letter-spacing:.5px;animation:fadeUp .6s ease both}.hero-title{font-size:clamp(36px,6vw,68px);font-weight:800;line-height:1.1;letter-spacing:0;margin-bottom:24px;animation:fadeUp .6s .1s ease both}.hero-title .accent{color:var(--accent)}.hero-subtitle{font-size:clamp(14px,2vw,18px);color:var(--muted);max-width:600px;line-height:1.7;margin-bottom:44px;animation:fadeUp .6s .2s ease both}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;animation:fadeUp .6s .3s ease both}.hero-actions .btn-fill,.hero-actions .btn-outline{padding:13px 32px;font-size:15px;border-radius:10px}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.stats{display:flex;gap:40px;justify-content:center;flex-wrap:wrap;margin-top:64px;padding:0 24px;animation:fadeUp .6s .4s ease both}.stat-item{text-align:center}.stat-num{font-size:32px;font-weight:800;color:var(--accent)}.stat-label{font-size:12px;color:var(--muted);margin-top:2px}section{padding:96px 24px}.section-label{text-align:center;font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:14px}.section-title{text-align:center;font-size:clamp(26px,4vw,40px);font-weight:800;margin-bottom:14px;letter-spacing:0}.section-desc{text-align:center;color:var(--muted);font-size:15px;max-width:520px;margin:0 auto 56px;line-height:1.7}.features{background:var(--bg2)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;max-width:1100px;margin:0 auto}.feature-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:28px;transition:border-color .25s,transform .25s,background .25s}.feature-card:hover{border-color:#1e6fe866;background:#1e6fe80f;transform:translateY(-4px)}.feature-icon{width:48px;height:48px;border-radius:12px;background:#1e6fe826;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px}.feature-card h3{font-size:16px;font-weight:700;margin-bottom:8px}.feature-card p{font-size:13.5px;color:var(--muted);line-height:1.65}.workflow-steps{display:flex;flex-direction:column;gap:0;max-width:720px;margin:0 auto}.workflow-step{display:flex;gap:24px;align-items:flex-start;padding:28px 0;border-bottom:1px solid var(--card-border)}.workflow-step:last-child{border-bottom:none}.landing-step-num{flex-shrink:0;width:40px;height:40px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800}.workflow-step h3{font-size:15px;font-weight:700;margin-bottom:5px}.workflow-step p{font-size:13.5px;color:var(--muted);line-height:1.6}.workflow-step code{background:#ffffff1a;padding:1px 6px;border-radius:4px}.roles{background:var(--bg2)}.role-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;max-width:900px;margin:0 auto}.role-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:24px;text-align:center}.role-badge{display:inline-block;padding:4px 14px;border-radius:20px;font-size:12px;font-weight:700;margin-bottom:14px}.role-admin{background:#dc262626;color:#f87171}.role-tester{background:#1e6fe826;color:#7eb3ff}.role-viewer{background:#64646433;color:#9ca3af}.role-card h3{font-size:15px;font-weight:700;margin-bottom:8px}.role-card ul{list-style:none;text-align:left;display:inline-block}.role-card ul li{font-size:12.5px;color:var(--muted);padding:3px 0;display:flex;align-items:center;gap:6px}.role-card ul li:before{content:"✓";color:var(--accent);font-weight:700}.cta-section{text-align:center;padding:100px 24px;background:linear-gradient(135deg,#1e6fe81f,#643cdc14);border-top:1px solid var(--card-border)}.cta-section h2{font-size:clamp(28px,4vw,44px);font-weight:800;margin-bottom:14px}.cta-section p{color:var(--muted);font-size:15px;margin-bottom:36px}.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.cta-btns .btn-fill,.cta-btns .btn-outline{padding:14px 36px;font-size:15px;border-radius:10px}footer{display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap;text-align:center;padding:32px 24px;border-top:1px solid var(--card-border);color:var(--muted);font-size:12px}footer a{color:var(--muted);text-decoration:none}footer a:hover{color:var(--text)}.reveal{opacity:0;transform:translateY(24px);transition:opacity .55s ease,transform .55s ease}.reveal.visible{opacity:1;transform:none}@media(max-width:720px){.navbar{padding:0 18px}.nav-links{gap:6px}.btn-outline,.btn-fill{padding:8px 14px}.stats{gap:24px}.workflow-step{gap:16px}}