:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.card{padding:2em}#app{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--bg: #0b1020;--bg-soft: #f5f7fb;--card: #ffffff;--text: #121826;--muted: #5b6475;--line: #e6eaf2;--primary: #2563eb;--primary-dark: #1d4ed8;--shadow: 0 10px 30px rgba(15, 23, 42, .08);--radius: 20px;--space-section-y: 72px;--space-section-soft-y: 60px;--space-title-bottom: 34px;--space-grid: 20px;--space-card: 28px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);font-family:Inter,PingFang SC,Microsoft YaHei,Arial,sans-serif;background:#fff}a{color:inherit;text-decoration:none}button{font:inherit}.page{min-height:100vh}.container{width:min(1200px,calc(100% - 40px));margin:0 auto}.narrow{width:min(920px,calc(100% - 40px))}.nav{position:sticky;top:0;z-index:40;background:#fffffff2;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,234,242,.84)}.nav-inner{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:flex;align-items:center;gap:14px;text-decoration:none;flex-shrink:0}.brand-logo{width:52px;height:52px;padding:6px;border-radius:14px;background:linear-gradient(135deg,#3158f5,#aef3d2);box-shadow:0 10px 24px #3158f529;display:flex;align-items:center;justify-content:center}.brand-logo img{width:100%;height:100%;object-fit:contain;display:block}.brand-text{display:flex;flex-direction:column;justify-content:center}.brand-title{font-weight:800;font-size:17px;line-height:1.15;color:var(--text);letter-spacing:-.02em}.brand-sub{margin-top:4px;font-size:12px;line-height:1.3;color:var(--muted)}.nav-links{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.nav-links a{position:relative;padding:10px 12px;border-radius:10px;color:var(--muted);font-size:14px;font-weight:700;transition:all .2s ease;white-space:nowrap}.nav-links a:not(.nav-link-primary):hover{color:var(--text);background:#aef3d2}.nav-links a:not(.nav-link-primary).active{color:var(--primary);background:#2563eb14}.nav-links a.active:after{content:"";position:absolute;bottom:4px;left:50%;transform:translate(-50%);width:16px;height:3px;border-radius:999px;background:var(--primary)}.nav-link-primary{color:#fff!important;background:linear-gradient(135deg,var(--primary),#4f46e5);box-shadow:0 10px 22px #2563eb2e;padding:10px 16px!important}.nav-link-primary:hover{transform:translateY(-1px);background:linear-gradient(135deg,#1d4ed8,#4338ca);color:#fff!important}.nav-link-primary:after{display:none!important}.hero{padding:104px 0 80px;background:radial-gradient(circle at top left,rgba(37,99,235,.1),transparent 28%),radial-gradient(circle at 90% 10%,rgba(124,58,237,.1),transparent 22%),linear-gradient(180deg,#f8fbff,#fff)}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(380px,520px);gap:72px;align-items:center}.hero-left{max-width:620px;padding-top:0}.badge{display:inline-flex;align-items:center;padding:10px 14px;background:#2563eb14;border:1px solid rgba(37,99,235,.12);color:var(--primary-dark);border-radius:999px;font-size:13px;font-weight:600}.hero h1{font-size:56px;line-height:1.08;margin:24px 0 18px;letter-spacing:-.045em;max-width:620px}.hero-desc{font-size:17px;line-height:1.9;color:var(--muted);max-width:620px}.hero-actions{display:flex;gap:14px;margin-top:32px;margin-bottom:8px;flex-wrap:wrap}.btn{display:inline-flex;justify-content:center;align-items:center;height:50px;padding:0 24px;border-radius:14px;font-weight:700;transition:.2s ease;border:none;cursor:pointer}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),#98e8b4);box-shadow:0 12px 30px #2563eb38}.btn-primary:hover{transform:translateY(-1px);background:linear-gradient(135deg,#1d4ed8,#4338ca);color:#fff;box-shadow:0 16px 36px #2563eb47}.btn-primary:disabled{opacity:.72;cursor:not-allowed;transform:none}.btn-secondary{border:1px solid var(--line);background:#fff}.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}.metric{min-width:0;min-height:128px;padding:20px 18px;background:#ffffffeb;border:1px solid rgba(230,234,242,.95);border-radius:18px;box-shadow:0 10px 24px #0f172a0d}.metric-value{font-size:18px;font-weight:800;margin-bottom:8px}.metric-label{font-size:14px;color:var(--muted);line-height:1.65}.hero-right{display:flex;justify-content:center;align-items:center}.ops-flow-card{width:100%;max-width:520px;padding:24px;border-radius:28px;background:radial-gradient(circle at top right,rgba(37,99,235,.08),transparent 24%),linear-gradient(180deg,#fff,#f8fbff);border:1px solid rgba(230,234,242,.95);box-shadow:0 24px 60px #0f172a1a,0 8px 20px #0f172a0d}.ops-flow-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:22px}.ops-flow-kicker{font-size:13px;font-weight:700;color:var(--primary-dark);margin-bottom:8px}.ops-flow-head h3{margin:0;font-size:24px;line-height:1.3;color:var(--text)}.ops-flow-badge{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-width:92px;height:36px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:800;background:#2563eb1a;color:var(--primary-dark)}.ops-flow-list{display:grid;gap:14px}.ops-flow-item{display:grid;grid-template-columns:14px minmax(0,1fr) auto;gap:14px;align-items:start;padding:16px 18px;border-radius:18px;border:1px solid #eef2f7;background:#fff}.ops-flow-dot{width:10px;height:10px;margin-top:7px;border-radius:999px;background:#cbd5e1;box-shadow:0 0 0 6px #cbd5e129}.ops-flow-body{min-width:0}.ops-flow-title{font-size:15px;font-weight:800;color:var(--text);margin-bottom:6px}.ops-flow-desc{font-size:14px;line-height:1.75;color:var(--muted)}.ops-flow-state{font-size:12px;font-weight:800;border-radius:999px;padding:6px 10px;white-space:nowrap;background:#eef2f7;color:#64748b}.ops-flow-item.done .ops-flow-dot{background:#16a34a;box-shadow:0 0 0 6px #16a34a24}.ops-flow-item.done .ops-flow-state{background:#16a34a1a;color:#15803d}.ops-flow-item.active{border-color:#2563eb2e;box-shadow:0 12px 30px #2563eb14}.ops-flow-item.active .ops-flow-dot{background:var(--primary);box-shadow:0 0 0 6px #2563eb24}.ops-flow-item.active .ops-flow-state{background:#2563eb1a;color:var(--primary-dark)}.ops-flow-item.pending .ops-flow-dot{background:#cbd5e1}.ops-flow-item.pending .ops-flow-state{background:#f1f5f9;color:#64748b}.ops-flow-foot{margin-top:18px;padding:16px 18px;border-radius:18px;background:#0f172a;color:#d1fae5}.ops-flow-log-title{font-size:13px;font-weight:700;color:#93c5fd;margin-bottom:8px}.ops-flow-log{font-size:13px;line-height:1.8;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.section{padding:var(--space-section-y) 0;scroll-margin-top:80px}.soft-section{background:var(--bg-soft);padding:var(--space-section-soft-y) 0}.section-title-wrap{text-align:center;margin-bottom:var(--space-title-bottom)}.section-title-wrap h2{font-size:38px;line-height:1.2;margin:18px 0 14px}.section-title-wrap p{max-width:760px;margin:0 auto;color:var(--muted);line-height:1.85;font-size:17px}.section-tag{display:inline-block;padding:10px 16px;border-radius:999px;background:#eef4ff;color:var(--primary-dark);font-size:13px;font-weight:700;letter-spacing:.04em}#solution .section-title-wrap,#architecture .section-title-wrap{margin-bottom:28px}.problem-grid,.feature-grid,.arch-grid,.pricing-grid,.payment-grid{gap:var(--space-grid)}.problem-grid{display:grid;grid-template-columns:repeat(3,1fr)}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr)}.arch-grid{display:grid;grid-template-columns:repeat(3,1fr)}.scenario-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);align-items:stretch}.payment-grid{display:grid;grid-template-columns:repeat(3,1fr)}.problem-card,.feature-card,.scenario-card,.payment-card,.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.problem-card,.feature-card{padding:var(--space-card)}.arch-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:28px 24px;text-align:center}.price-card{position:relative;padding:30px 28px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.payment-card{padding:26px;text-align:center}.scenario-card{padding:22px 24px;font-weight:600}.faq-item{padding:24px 26px}.problem-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#eef4ff;color:var(--primary-dark);font-weight:800;margin-bottom:18px}.problem-card h3,.feature-card h3,.payment-card h3,.faq-item h3{margin:0 0 12px;font-size:20px}.problem-card p,.feature-card p,.payment-card p,.faq-item p,.pay-note{margin:0;color:var(--muted);line-height:1.8}.arch-icon{width:64px;height:64px;object-fit:contain;margin-bottom:16px}.arch-card h3{margin:0 0 12px;font-size:20px}.arch-card p{margin:0;color:var(--muted);line-height:1.8}.video-wrap{text-align:center}.demo-card{max-width:1040px;margin:0 auto;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:radial-gradient(circle at top right,rgba(37,99,235,.06),transparent 22%),#fff}.demo-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:0}.demo-left{padding:36px 30px 34px;border-right:1px solid var(--line);background:linear-gradient(180deg,#fbfdff,#f7faff)}.demo-right{padding:36px 30px 34px}.demo-steps{display:flex;flex-direction:column;gap:0}.demo-step{display:grid;grid-template-columns:48px 1fr;align-items:start;text-align:left}.demo-step:not(:last-child){min-height:74px}.demo-step-marker{width:36px;height:36px;border-radius:999px;display:grid;place-items:center;font-size:14px;font-weight:800;border:1px solid var(--line);background:#fff;color:#7b8698;position:relative;z-index:1;margin-top:2px}.demo-step-body{position:relative;padding-top:6px;min-height:74px}.demo-step-title{font-size:16px;font-weight:700;color:var(--text)}.demo-step-line{position:absolute;left:-30px;top:40px;width:2px;height:calc(100% - 8px);background:#e8edf5}.demo-step:last-child .demo-step-line{display:none}.demo-step.done .demo-step-marker{color:#fff;background:#16a34a;border-color:#16a34a;box-shadow:0 8px 18px #16a34a2e}.demo-step.active .demo-step-marker{color:#fff;background:var(--primary);border-color:var(--primary);box-shadow:0 10px 22px #2563eb38}.demo-step.active .demo-step-title{color:var(--primary-dark)}.demo-step.pending .demo-step-marker{background:#fff;color:#94a3b8}.demo-actions{margin-top:20px;text-align:left}.demo-play-btn{min-width:168px}.demo-action-tip{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.7}.demo-status-card{text-align:left}.demo-status-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:22px}.demo-status-kicker{font-size:13px;font-weight:700;color:var(--primary-dark);margin-bottom:8px}.demo-status-header h3{margin:0;font-size:24px;line-height:1.25}.demo-badge{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-width:88px;height:36px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:800;background:#eef2f7;color:#475569}.demo-badge.processing{background:#2563eb1a;color:var(--primary-dark)}.demo-badge.success{background:#16a34a1f;color:#15803d}.demo-status-list{display:grid;gap:12px}.demo-status-row{min-height:54px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 18px;border-radius:16px;background:#f8fafc;border:1px solid #eef2f7}.demo-status-row span{font-size:14px;color:var(--muted)}.demo-status-row strong{font-size:15px;color:var(--text);text-align:right}.demo-final{color:#15803d}.demo-log-box{margin-top:20px;padding:18px 18px 16px;border-radius:18px;background:#0f172a;color:#d1fae5;border:1px solid rgba(15,23,42,.08)}.demo-log-title{font-size:13px;font-weight:700;color:#93c5fd;margin-bottom:10px}.demo-log{margin:0;white-space:pre-wrap;line-height:1.9;font-size:13px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.featured{border:2px solid rgba(37,99,235,.22);transform:translateY(-6px)}.featured-tag{position:absolute;top:14px;right:14px;background:#eaf1ff;color:var(--primary-dark);font-size:12px;font-weight:700;border-radius:999px;padding:6px 10px}.price-name{font-size:20px;font-weight:700;margin-bottom:14px}.price-value{font-size:42px;font-weight:800;margin-bottom:18px;letter-spacing:-.03em}.price-card ul{padding-left:18px;margin:0;color:var(--muted);line-height:2}.pricing-foot{text-align:center;color:var(--muted);margin-top:22px;font-size:16px}.pay-note{margin-top:18px;text-align:center}.faq-list{display:grid;gap:16px}.contact-section{background:radial-gradient(circle at top center,rgba(37,99,235,.14),transparent 30%),linear-gradient(135deg,#0f172a,#0b1220 58%,#1e293b);color:#fff}.section-title-wrap.light p{color:#ffffffc2}.section-tag-light{background:#ffffff1a;color:#dbeafe}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:860px;margin:0 auto}.contact-panel{padding:30px 28px;border-radius:24px;background:linear-gradient(180deg,#ffffff0f,#ffffff0a);border:1px solid rgba(255,255,255,.1);box-shadow:0 20px 50px #0000002e;text-align:center}.contact-panel-head{margin-bottom:18px}.contact-label{display:inline-block;margin-bottom:10px;padding:6px 10px;border-radius:999px;background:#ffffff14;color:#ffffffc7;font-size:12px;font-weight:700;letter-spacing:.04em}.contact-panel h3{margin:0;font-size:24px;line-height:1.25;color:#fff}.contact-qrcode-wrap{display:flex;justify-content:center;margin:8px 0 20px}.contact-qrcode{width:220px;height:220px;padding:12px;background:#fff;border-radius:20px;object-fit:contain;box-shadow:0 16px 40px #0f172a3d}.contact-email-box{margin:14px 0 20px;padding:22px 18px;border-radius:18px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08)}.contact-email-link{font-size:32px;line-height:1.2;font-weight:800;color:#fff;text-decoration:none;word-break:break-all;letter-spacing:-.02em}.contact-email-link:hover{text-decoration:underline}.contact-desc{margin:0;color:#ffffffc7;line-height:1.9;font-size:16px}.contact-tip{margin-top:18px;padding:14px 16px;border-radius:16px;background:#ffffff12;border:1px solid rgba(255,255,255,.08);color:#e2e8f0;line-height:1.8;font-size:15px;text-align:left}.contact-cta{max-width:860px;margin:24px auto 0;padding:22px 24px;border-radius:20px;background:#ffffff14;border:1px solid rgba(255,255,255,.1);text-align:center}.contact-cta-title{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px}.contact-cta p{margin:0;color:#ffffffd1;line-height:1.9;font-size:16px}.footer{background:#0b1220;color:#ffffffad;border-top:1px solid rgba(255,255,255,.06)}.footer-inner{min-height:72px;display:flex;justify-content:space-between;align-items:center;font-size:14px}.payment-card-qrcode{display:flex;flex-direction:column;align-items:center}.payment-qrcode-wrap{display:flex;justify-content:center;margin:14px 0 16px}.payment-qrcode{width:180px;height:180px;padding:10px;background:#fff;border-radius:18px;object-fit:contain;box-shadow:0 12px 30px #0f172a1a}.payment-card-flow{display:flex;flex-direction:column;align-items:center}.payment-flow-panel{width:100%;max-width:220px;margin:14px 0 16px;padding:18px 16px;border-radius:18px;background:linear-gradient(180deg,#f8fafc,#fff);border:1px solid #eef2f7;box-shadow:inset 0 1px #fffc}.payment-flow-step{display:flex;align-items:center;gap:10px;text-align:left;font-size:14px;color:var(--text);line-height:1.5}.payment-flow-step:not(:last-child){margin-bottom:12px}.payment-flow-index{width:24px;height:24px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;background:#eef4ff;color:var(--primary-dark);font-size:12px;font-weight:800}.payment-card-flow p{max-width:220px}@media (max-width: 1024px){.hero-grid,.problem-grid,.feature-grid,.pricing-grid,.payment-grid,.arch-grid,.demo-grid{grid-template-columns:1fr}.hero{padding:72px 0 64px}.hero-left{max-width:100%;padding-top:0}.hero-right{justify-content:flex-start}.hero h1{font-size:48px;max-width:100%}.hero-metrics{grid-template-columns:1fr}.featured{transform:none}.demo-left{border-right:none;border-bottom:1px solid var(--line)}.footer-inner{flex-direction:column;justify-content:center;gap:10px;padding:14px 0}}@media (max-width: 768px){:root{--space-section-y: 60px;--space-section-soft-y: 52px;--space-title-bottom: 28px;--space-grid: 16px;--space-card: 24px}.payment-qrcode{width:160px;height:160px}.nav{padding-top:8px;background:#fffffff7}.nav-inner{min-height:auto;padding:12px 0 14px;flex-direction:column;align-items:stretch;gap:12px}.brand{justify-content:center}.brand-text{text-align:left}.brand-title{font-size:17px}.brand-sub{font-size:12px}.nav-links{gap:8px;justify-content:center}.nav-links a{padding:9px 12px;font-size:13px}.nav-links a.active:after{bottom:2px}.hero{padding:58px 0 54px}.hero h1{font-size:38px;line-height:1.14}.hero-desc{font-size:16px;line-height:1.8}.section-title-wrap h2{font-size:30px}.scenario-grid{grid-template-columns:1fr}.demo-left,.demo-right{padding:24px 20px}.demo-status-header{flex-direction:column;align-items:flex-start}.demo-status-row{min-height:auto;padding:14px 16px;flex-direction:column;align-items:flex-start}.demo-status-row strong{text-align:left}.ops-flow-card{padding:20px}.ops-flow-head{flex-direction:column;align-items:flex-start}.ops-flow-head h3{font-size:20px}.ops-flow-item{grid-template-columns:14px minmax(0,1fr)}.ops-flow-state{grid-column:2;justify-self:start;margin-top:8px}.contact-grid{grid-template-columns:1fr;gap:18px}.contact-panel{padding:24px 20px}.contact-panel h3{font-size:22px}.contact-qrcode{width:190px;height:190px;padding:10px}.contact-email-link{font-size:26px}.contact-desc,.contact-tip,.contact-cta p{font-size:15px}.contact-cta{padding:18px}.contact-cta-title{font-size:18px}}