@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&family=Syne:wght@700;800&display=swap";:root{--bg-primary: #03040C;--bg-secondary: #080916;--bg-card: rgba(14, 16, 32, .45);--bg-card-hover: rgba(22, 26, 50, .65);--border-color: rgba(255, 255, 255, .08);--border-hover: rgba(255, 215, 0, .25);--color-primary: #8A2BE2;--color-primary-glow: rgba(138, 43, 226, .35);--color-secondary: #00E676;--color-secondary-glow: rgba(0, 230, 118, .25);--color-accent: #FFD700;--color-accent-glow: rgba(255, 215, 0, .3);--color-purple: #7928CA;--text-main: #F9FAFB;--text-muted: #9CA3AF;--text-dark: #4B5563;--font-sans: "Inter", sans-serif;--font-display: "Syne", sans-serif;--font-mono: "Space Grotesk", monospace;--transition: all .4s cubic-bezier(.16, 1, .3, 1);--radius-lg: 24px;--radius-md: 16px;--radius-sm: 10px}*{box-sizing:border-box;margin:0;padding:0}html,body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-main);line-height:1.6;overflow-x:hidden;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;width:100%;max-width:100vw}*,*:before,*:after{box-sizing:border-box;max-width:100%}img,svg,video,canvas{max-width:100%;height:auto}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#ffffff1f;border-radius:6px}::-webkit-scrollbar-thumb:hover{background:var(--color-primary)}.landing-view{position:relative;width:100%;min-height:100vh;background-color:var(--bg-primary)}.grid-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(rgba(255,255,255,.015) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.015) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;z-index:1}.mesh-container{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;z-index:0;pointer-events:none}.mesh-glow{position:absolute;border-radius:50%;filter:blur(140px);opacity:.32;mix-blend-mode:screen;pointer-events:none}.mesh-glow.p1{width:700px;height:700px;background:radial-gradient(circle,var(--color-primary) 0%,rgba(0,0,0,0) 70%);top:-5%;left:-10%}.mesh-glow.p2{width:600px;height:600px;background:radial-gradient(circle,var(--color-purple) 0%,rgba(0,0,0,0) 70%);top:15%;right:-5%}.mesh-glow.p3{width:550px;height:550px;background:radial-gradient(circle,var(--color-accent-glow) 0%,rgba(0,0,0,0) 70%);top:35%;left:40%}.mesh-glow.p4{width:650px;height:650px;background:radial-gradient(circle,var(--color-primary) 0%,rgba(0,0,0,0) 70%);top:55%;right:-10%}.mesh-glow.p5{width:600px;height:600px;background:radial-gradient(circle,var(--color-secondary-glow) 0%,rgba(0,0,0,0) 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cubic-bezier(.16,1,.3,1);will-change:transform,opacity}.reveal-on-scroll.revealed{opacity:1;transform:translateY(0) scale(1)}@media (prefers-reduced-motion: reduce){.reveal-on-scroll{opacity:1!important;transform:none!important}}header.navbar{display:flex;justify-content:space-between;align-items:center;padding:1.2rem 6%;backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);background:#03040cd9;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100;width:100%}.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:1.5rem;letter-spacing:-.03em;background:linear-gradient(135deg,#FFF 30%,var(--color-primary) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.logo span{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-purple) 100%);width:32px;height:32px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;color:#fff;-webkit-text-fill-color:white;font-size:1.1rem;font-weight:900;box-shadow:0 0 15px var(--color-primary-glow)}nav.nav-links{display:flex;gap:1.2rem;align-items:center}nav.nav-links a{text-decoration:none;color:var(--text-muted);font-weight:500;font-size:.9rem;padding:6px 12px;border-radius:var(--radius-sm);transition:var(--transition)}nav.nav-links a:hover{color:#fff;background:#ffffff0d}.mobile-menu-btn{display:none;background:#ffffff0d;border:1px solid var(--border-color);color:#fff;font-size:1.5rem;padding:6px 12px;border-radius:var(--radius-sm);cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.8rem 1.8rem;border-radius:var(--radius-md);font-weight:600;font-size:.92rem;cursor:pointer;transition:var(--transition);border:none;text-decoration:none;gap:8px;position:relative;overflow:hidden;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-purple) 50%,var(--color-accent) 100%);background-size:200% 200%;color:#fff;box-shadow:0 6px 20px var(--color-primary-glow)}.btn-primary:hover{background-position:right center;transform:translateY(-2px);box-shadow:0 10px 30px var(--color-primary-glow)}.btn-outline{background:#ffffff08;border:1px solid var(--border-color);color:var(--text-main);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-outline:hover{background:#ffffff14;border-color:#fff3;transform:translateY(-2px)}.hero{position:relative;z-index:10;padding:5rem 6% 4rem;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:4rem;max-width:1400px;margin:0 auto;min-height:80vh}.hero-badge{display:inline-flex;align-items:center;gap:8px;background:#8a2be21f;border:1px solid rgba(138,43,226,.3);color:#c7d2fe;padding:6px 16px;border-radius:20px;font-size:.82rem;font-weight:600;margin-bottom:1.5rem}.hero-content{display:flex;flex-direction:column;align-items:flex-start}.hero-content h1{font-family:var(--font-display);font-size:clamp(2rem,5.5vw,4.2rem);line-height:1.1;margin-bottom:1.5rem;font-weight:800;letter-spacing:-.03em;word-break:break-word;overflow-wrap:break-word;background:linear-gradient(to right,#fff 40%,#c7d2fe);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero-content h1 span.highlight{display:block;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-accent) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 30px var(--color-primary-glow))}.hero-content p{font-size:1.15rem;line-height:1.6;margin-bottom:2.5rem;color:var(--text-muted)}.hero-actions{display:flex;gap:1.2rem;flex-wrap:wrap}.hero-visual{position:relative;perspective:1500px;width:100%;min-height:380px;display:flex;justify-content:center;align-items:center}.viewport-stack{transform:rotateY(-18deg) rotateX(12deg) rotate(-3deg);transform-style:preserve-3d;width:90%;max-width:420px;position:relative;transition:transform .8s cubic-bezier(.16,1,.3,1)}.viewport-stack:hover{transform:rotateY(-6deg) rotateX(4deg) rotate(-1deg) scale(1.02)}.terminal-layer{transform:translateZ(0)}.floating-payment-card{position:absolute;bottom:-30px;right:-30px;background:#0e1626e6;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-md);padding:1.2rem;width:260px;transform:translateZ(50px);box-shadow:0 20px 40px #0009,0 0 30px var(--color-primary-glow);display:flex;flex-direction:column;gap:8px;animation:floatCard 6s ease-in-out infinite}@keyframes floatCard{0%{transform:translateZ(50px) translateY(0)}50%{transform:translateZ(70px) translateY(-10px)}to{transform:translateZ(50px) translateY(0)}}.floating-payment-card h4{font-family:var(--font-display);font-size:.9rem;display:flex;justify-content:space-between;align-items:center}.payment-loading-bar{height:4px;background:#ffffff1a;border-radius:2px;overflow:hidden;margin:6px 0}.payment-loading-fill{height:100%;width:75%;background:var(--color-primary);border-radius:2px;animation:loadingAnim 3s infinite ease-in-out}@keyframes loadingAnim{0%{width:0%}50%{width:85%}to{width:100%}}.code-container{background:#050810bf;backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:0 30px 60px #0009;position:relative;overflow:hidden}.code-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.06);padding-bottom:.8rem;margin-bottom:1rem}.window-dots{display:flex;gap:8px}.window-dots span{width:10px;height:10px;border-radius:50%}.window-dots span:nth-child(1){background:#ff5f56}.window-dots span:nth-child(2){background:#ffbd2e}.window-dots span:nth-child(3){background:#27c93f}.lang-tabs{display:flex;background:#ffffff08;padding:2px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.05)}.lang-tab{background:transparent;border:none;color:var(--text-muted);font-family:var(--font-sans);font-weight:500;font-size:.78rem;padding:4px 10px;border-radius:5px;cursor:pointer;transition:var(--transition)}.lang-tab.active{background:#ffffff1a;color:#fff}.code-body pre{font-family:var(--font-mono);font-size:.85rem;color:#a5b4fc;overflow-x:auto;line-height:1.6}.token-keyword{color:#f43f5e;font-weight:600}.token-string{color:#10b981}.token-function{color:#3b82f6}.token-comment{color:#6b7280;font-style:italic}.token-number{color:#f59e0b}.token-operator{color:#818cf8}.gateway-marquee-section{position:relative;z-index:10;padding:2.5rem 0;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);background:#080a1866;overflow:hidden}.marquee-title{text-align:center;font-size:.75rem;font-weight:700;letter-spacing:.15em;color:var(--text-dark);margin-bottom:1.2rem;text-transform:uppercase}.marquee-container{display:flex;overflow:hidden;-webkit-user-select:none;user-select:none}.marquee-track{display:flex;gap:3rem;animation:marquee-slide 20s linear infinite;white-space:nowrap}.marquee-item{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:1.1rem;font-weight:700;color:var(--text-muted);background:#ffffff05;padding:10px 22px;border-radius:var(--radius-md);border:1px solid var(--border-color)}.marquee-item i{color:var(--color-primary)}@keyframes marquee-slide{0%{transform:translate(0)}to{transform:translate(-50%)}}.features{position:relative;z-index:10;padding:6rem 6% 4rem;max-width:1400px;margin:0 auto}.section-title{text-align:center;margin-bottom:4rem}.section-title h2{font-family:var(--font-display);font-size:3rem;font-weight:800;letter-spacing:-.03em;margin-bottom:1rem;background:linear-gradient(135deg,#FFF 30%,var(--text-muted) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.section-title p{font-size:1.1rem;max-width:620px;margin:0 auto;color:var(--text-muted)}.bento-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(260px,auto);gap:1.8rem}.bento-card{background:var(--bg-card);backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2.2rem;display:flex;flex-direction:column;justify-content:space-between;transition:var(--transition)}.bento-card:hover{background:var(--bg-card-hover);border-color:var(--border-hover);transform:translateY(-4px);box-shadow:0 20px 40px #0006}.bento-card.wide{grid-column:span 2}.bento-card.tall{grid-row:span 2}.bento-icon{width:48px;height:48px;border-radius:var(--radius-md);background:#8a2be21f;border:1px solid rgba(138,43,226,.3);display:flex;align-items:center;justify-content:center;color:var(--color-primary);font-size:1.4rem}.bento-card h3{font-family:var(--font-display);font-size:1.4rem;margin-bottom:.6rem;font-weight:700}.bento-card p{color:var(--text-muted);font-size:.95rem;line-height:1.5}.calc-metrics-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem;border-top:1px solid rgba(255,255,255,.06);padding-top:1rem;text-align:center}.live-stream-section{position:relative;z-index:10;padding:5rem 6% 4rem;max-width:1400px;margin:0 auto}.live-ticker-container{background:#0a0e1c99;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2rem;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.live-ticker-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;border-bottom:1px solid rgba(255,255,255,.06);padding-bottom:1rem}.live-stream-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem}.live-stream-card{background:#00000059;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.2rem;display:flex;flex-direction:column;gap:6px}.live-stream-channel{font-size:.78rem;font-weight:700;text-transform:uppercase}.live-stream-channel.alipay{color:#1677ff}.live-stream-channel.wechat{color:#07c160}.live-stream-channel.unionpay{color:#004b87}.live-stream-channel.crypto{color:#f7931a}.live-stream-amount{font-family:var(--font-mono);font-weight:800;font-size:1.3rem;color:#fff}.live-stream-usdt{font-family:var(--font-mono);font-size:.85rem;color:var(--color-secondary);font-weight:600}.live-stream-time{font-size:.75rem;color:var(--text-muted)}.workflow-section{position:relative;z-index:10;padding:6rem 6% 4rem;max-width:1400px;margin:0 auto}.timeline-container{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;position:relative}.timeline-step{display:flex;flex-direction:column;gap:1.2rem}.step-badge{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-purple) 100%);color:#fff;font-family:var(--font-mono);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:1rem;box-shadow:0 0 20px var(--color-primary-glow)}.step-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.8rem;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);height:100%}.step-card h3{font-family:var(--font-display);font-size:1.15rem;margin-bottom:.8rem;font-weight:700}.step-card p{color:var(--text-muted);font-size:.88rem;line-height:1.6}.security-shield-section{position:relative;z-index:10;padding:5rem 6% 4rem;max-width:1400px;margin:0 auto}.security-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.8rem}.security-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2.2rem;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:var(--transition)}.security-card:hover{transform:translateY(-4px);border-color:var(--border-hover)}.security-icon{font-size:2.2rem;color:var(--color-accent);margin-bottom:1rem}.security-card h3{font-family:var(--font-display);font-size:1.3rem;margin-bottom:.6rem}.security-card p{color:var(--text-muted);font-size:.9rem}.dev-portal-section{position:relative;z-index:10;padding:5rem 6% 4rem;max-width:1400px;margin:0 auto}.dev-vertical-container{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}.dev-explanation-column{display:flex;flex-direction:column;gap:1.5rem}.api-step-item{display:flex;gap:1.2rem;background:var(--bg-card);border:1px solid var(--border-color);padding:1.5rem;border-radius:var(--radius-md);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.api-num{width:32px;height:32px;border-radius:50%;background:#ffffff14;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:700;color:var(--color-primary);flex-shrink:0}.api-step-item h3{font-family:var(--font-display);font-size:1.1rem;margin-bottom:4px}.api-step-item p{font-size:.88rem;color:var(--text-muted)}.stats-testimonials-section{position:relative;z-index:10;padding:5rem 6% 4rem;max-width:1400px;margin:0 auto}.stats-counter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}.stat-counter-card{background:#0e122499;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2.2rem 1.5rem;text-align:center;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.stat-counter-value{font-family:var(--font-display);font-size:2.8rem;font-weight:800;background:linear-gradient(135deg,#FFF 30%,var(--color-primary) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:6px}.stat-counter-label{font-size:.88rem;color:var(--text-muted)}.faq-section{position:relative;z-index:10;padding:6rem 6% 4rem;max-width:1000px;margin:0 auto}.faq-accordion-wrapper{display:flex;flex-direction:column;gap:1rem}.faq-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition)}.faq-header{width:100%;padding:1.4rem 1.8rem;background:transparent;border:none;color:#fff;font-family:var(--font-display);font-size:1.1rem;font-weight:700;display:flex;justify-content:space-between;align-items:center;cursor:pointer;text-align:left}.faq-icon{font-size:1.2rem;color:var(--color-primary);transition:transform .3s ease}.faq-content{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.16,1,.3,1),padding .4s ease;padding:0 1.8rem}.faq-content p{color:var(--text-muted);font-size:.95rem;line-height:1.6;padding-bottom:1.4rem}.faq-item.active{border-color:var(--border-hover);background:var(--bg-card-hover)}.faq-item.active .faq-icon{transform:rotate(45deg)}.faq-item.active .faq-content{max-height:300px}.cta-section{position:relative;z-index:10;padding:6rem 6%;max-width:1200px;margin:0 auto}.cta-card{background:linear-gradient(135deg,#8a2be240,#080916cc);border:1px solid rgba(138,43,226,.4);border-radius:var(--radius-lg);padding:4rem 2rem;text-align:center;-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);box-shadow:0 20px 50px #00000080}.cta-card h2{font-family:var(--font-display);font-size:2.8rem;margin-bottom:1rem}.cta-card p{font-size:1.1rem;color:var(--text-muted);margin-bottom:2rem;max-width:600px;margin-left:auto;margin-right:auto}.cta-form{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}footer.landing-footer{border-top:1px solid var(--border-color);background:#03040cf2;padding:4rem 6% 2rem}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;max-width:1400px;margin:0 auto 3rem}.brand-col p{color:var(--text-muted);font-size:.9rem;margin:1rem 0;max-width:320px}.footer-logo{font-family:var(--font-display);font-size:1.5rem;font-weight:800;display:flex;align-items:center;gap:8px}.footer-logo span{background:var(--color-primary);color:#fff;width:28px;height:28px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;font-size:.9rem}.footer-status{font-size:.8rem;color:var(--color-secondary);display:flex;align-items:center;gap:8px;font-weight:600}.footer-col h4{font-family:var(--font-display);font-size:1rem;margin-bottom:1.2rem;color:#fff}.footer-col a{display:block;text-decoration:none;color:var(--text-muted);font-size:.88rem;margin-bottom:.8rem;transition:var(--transition)}.footer-col a:hover{color:#fff}.footer-bottom{max-width:1400px;margin:0 auto;border-top:1px solid rgba(255,255,255,.06);padding-top:1.5rem;display:flex;justify-content:space-between;font-size:.82rem;color:var(--text-muted);flex-wrap:wrap;gap:1rem}.dashboard-view{display:flex;width:100vw;height:100vh;background-color:var(--bg-secondary);overflow:hidden;position:relative}.mobile-dash-header{display:none;position:fixed;top:0;left:0;width:100%;height:60px;background:#080916f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);z-index:90;padding:0 1.2rem;justify-content:space-between;align-items:center}.sidebar-overlay{display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000c;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:190;opacity:0;pointer-events:none;transition:opacity .3s ease}.sidebar-overlay.active{opacity:1;pointer-events:all}aside.sidebar{width:260px;height:100%;background:#050712f2;border-right:1px solid var(--border-color);display:flex;flex-direction:column;justify-content:space-between;padding:1.8rem 1.2rem;flex-shrink:0;z-index:200;transition:transform .35s cubic-bezier(.16,1,.3,1)}.sidebar-logo{display:flex;justify-content:space-between;align-items:center;margin-bottom:2.5rem}.sidebar-close-btn{display:none;background:transparent;border:none;color:var(--text-muted);font-size:1.4rem;cursor:pointer}.sidebar-menu{list-style:none;display:flex;flex-direction:column;gap:8px;flex-grow:1}.sidebar-menu .menu-item button{width:100%;padding:12px 16px;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-muted);font-family:var(--font-sans);font-weight:500;font-size:.92rem;display:flex;align-items:center;gap:12px;cursor:pointer;transition:var(--transition);text-align:left}.sidebar-menu .menu-item.active button,.sidebar-menu .menu-item button:hover{background:#8a2be226;color:#fff}.sidebar-footer{display:flex;flex-direction:column;gap:1rem;border-top:1px solid var(--border-color);padding-top:1.2rem}.merchant-profile{display:flex;align-items:center;gap:10px}.profile-avatar{width:36px;height:36px;border-radius:50%;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}.profile-info{display:flex;flex-direction:column}.profile-name{font-size:.85rem;font-weight:600}.profile-role{font-size:.75rem;color:var(--text-muted)}.dashboard-main{flex-grow:1;height:100%;overflow-y:auto;padding:2rem 2.5rem}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.dashboard-header h2{font-family:var(--font-display);font-size:2rem;font-weight:800}.header-actions{display:flex;align-items:center;gap:1rem}.mode-badge{background:#00e6761a;border:1px solid rgba(0,230,118,.25);color:var(--color-secondary);padding:6px 14px;border-radius:20px;font-size:.8rem;font-weight:600;display:flex;align-items:center;gap:6px}.mode-badge span{width:8px;height:8px;border-radius:50%;background:var(--color-secondary)}.metrics-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:2rem}.metric-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.5rem}.metric-card-header{display:flex;justify-content:space-between;color:var(--text-muted);font-size:.85rem;margin-bottom:.8rem}.metric-value{font-family:var(--font-mono);font-size:1.8rem;font-weight:800;margin-bottom:6px}.trend-badge{font-size:.78rem;font-weight:600;padding:2px 6px;border-radius:4px}.trend-badge.up{background:#10b98126;color:var(--color-secondary)}.charts-grid{display:grid;grid-template-columns:2fr 1fr;gap:1.5rem;margin-bottom:2rem}.chart-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.5rem}.chart-title{font-family:var(--font-display);font-size:1.1rem;margin-bottom:1rem;display:flex;justify-content:space-between}.chart-body svg{width:100%;height:auto}.chart-grid-line{stroke:#ffffff0a;stroke-width:1}.chart-area{fill:url(#chart-gradient);opacity:.3}.chart-line{fill:none;stroke:var(--color-primary);stroke-width:3}.doughnut-container{position:relative;display:flex;justify-content:center;margin-bottom:1rem}.doughnut-info{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center}.doughnut-info .title{font-size:.75rem;color:var(--text-muted)}.doughnut-info .val{font-family:var(--font-mono);font-weight:800;font-size:1.2rem}.doughnut-legend{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:.8rem}.legend-item{display:flex;justify-content:space-between;align-items:center}.legend-label{display:flex;align-items:center;gap:6px;color:var(--text-muted)}.legend-color{width:10px;height:10px;border-radius:3px}.legend-val{font-family:var(--font-mono);font-weight:700}.content-split{display:grid;grid-template-columns:2fr 1fr;gap:1.5rem}.table-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.5rem}.table-responsive{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}table.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:.88rem;min-width:500px}table.data-table th{padding:12px;color:var(--text-muted);border-bottom:1px solid var(--border-color);font-weight:600;font-size:.78rem;text-transform:uppercase}table.data-table td{padding:14px 12px;border-bottom:1px solid var(--border-color)}.status-indicator{padding:4px 10px;border-radius:20px;font-size:.75rem;font-weight:600;display:inline-flex;align-items:center;gap:4px;text-transform:capitalize}.status-indicator.success{background:#10b9811a;color:var(--color-secondary);border:1px solid rgba(16,185,129,.2)}.status-indicator.pending{background:#f59e0b1a;color:var(--color-accent);border:1px solid rgba(245,158,11,.2)}.status-indicator.failed{background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.2)}.feed-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.5rem;display:flex;flex-direction:column;max-height:480px}.feed-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.2rem;font-family:var(--font-display)}.pulse-indicator{width:8px;height:8px;background:var(--color-secondary);border-radius:50%;box-shadow:0 0 10px var(--color-secondary-glow);animation:pulse-green 1.5s infinite}.feed-list{display:flex;flex-direction:column;gap:10px;overflow-y:auto}.feed-item{border-left:3px solid var(--color-primary);background:#ffffff05;padding:10px 14px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;display:flex;justify-content:space-between;align-items:center}.feed-item.channel-wechat{border-left-color:#07c160}.feed-item.channel-alipay{border-left-color:#1677ff}.feed-item.channel-crypto{border-left-color:#f7931a}.feed-item.channel-unionpay{border-left-color:#004b87}.feed-meta{display:flex;flex-direction:column}.feed-amt{font-family:var(--font-mono);font-weight:700;font-size:.92rem}.feed-time{font-size:.75rem;color:var(--text-muted)}.feed-channel{font-size:.75rem;font-weight:600;color:var(--text-muted)}.api-keys-container{display:flex;flex-direction:column;gap:1.5rem}.key-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:2rem}.key-input-wrapper{display:flex;gap:10px;background:#0000004d;border:1px solid var(--border-color);padding:10px 14px;border-radius:var(--radius-sm);align-items:center}.key-input-wrapper input{flex-grow:1;background:transparent;border:none;outline:none;color:var(--text-main);font-family:var(--font-mono);font-size:.9rem}.icon-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:1.1rem}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#030508e6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;pointer-events:none;transition:var(--transition)}.modal-overlay.active{opacity:1;pointer-events:all}.modal-content{background:var(--bg-secondary);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);width:92%;max-width:480px;max-height:90vh;overflow-y:auto;padding:2.2rem;position:relative;box-shadow:0 30px 60px #000000b3}.modal-close{position:absolute;top:1.5rem;right:1.5rem;background:transparent;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer}.checkout-mock{display:flex;flex-direction:column;align-items:center;gap:1.5rem}.checkout-qr{background:#fff;padding:16px;border-radius:var(--radius-md);width:180px;height:180px}.checkout-details{background:#0000004d;border-radius:var(--radius-sm);padding:14px;width:100%;border:1px solid var(--border-color);display:flex;flex-direction:column;gap:10px}.checkout-row{display:flex;justify-content:space-between;font-size:.88rem}.hidden{display:none!important}.badge-channel{padding:4px 8px;border-radius:4px;font-size:.75rem;font-weight:600}.badge-channel.alipay{background:#1677ff1f;color:#1677ff}.badge-channel.wechat{background:#07c1601f;color:#07c160}.badge-channel.unionpay{background:#004b871f;color:#004b87}.badge-channel.crypto{background:#f7931a1f;color:#f7931a}.tab-content{display:flex;flex-direction:column;gap:2rem}.mobile-menu-btn{display:none;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);color:#f9fafb;font-size:1.5rem;width:44px;height:44px;border-radius:var(--radius-sm);cursor:pointer;align-items:center;justify-content:center;transition:var(--transition)}.mobile-menu-btn:hover{background:#8a2be233;border-color:var(--color-primary)}.mobile-nav-drawer{position:fixed;top:0;left:0;width:100vw;height:100vh;height:100dvh;background:#050610f7;backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);z-index:99999;display:flex;flex-direction:column;padding:1.5rem;transform:translate(100%);transition:transform .35s cubic-bezier(.16,1,.3,1),opacity .3s ease;visibility:hidden;opacity:0}.mobile-nav-drawer.active{transform:translate(0);visibility:visible;opacity:1}.mobile-drawer-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:1.25rem;border-bottom:1px solid var(--border-color);margin-bottom:1.5rem}.mobile-drawer-close{background:#ffffff14;border:1px solid rgba(255,255,255,.15);color:#fff;font-size:1.2rem;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}.mobile-drawer-links{display:flex;flex-direction:column;gap:1rem}.mobile-nav-link{color:var(--text-main);font-size:1.15rem;font-weight:600;text-decoration:none;padding:.85rem 1.1rem;border-radius:var(--radius-sm);background:#ffffff08;border:1px solid rgba(255,255,255,.06);display:flex;align-items:center;justify-content:space-between;transition:var(--transition)}.mobile-nav-link:hover,.mobile-nav-link:active{background:#8a2be233;border-color:var(--color-primary);color:#fff}.mobile-dash-header{display:none;justify-content:space-between;align-items:center;padding:.8rem 1.25rem;position:fixed;top:0;left:0;width:100%;height:64px;background:#050610eb;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);z-index:999}.mobile-dash-header .logo{font-size:1.15rem}.sidebar-overlay{display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;height:100dvh;background:#000000bf;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);z-index:9998;opacity:0;transition:opacity .3s ease}.sidebar-overlay.active{display:block;opacity:1}@media (max-width: 1024px){.hero{grid-template-columns:1fr;text-align:center;gap:2.5rem;padding-top:3.5rem}.hero-content{align-items:center!important}.hero-content h1{font-size:clamp(2.4rem,5.5vw,3.6rem)}.viewport-stack{transform:none!important;max-width:100%;margin:0 auto}.dev-vertical-container{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:2rem}.timeline-container,.stats-counter-grid{grid-template-columns:1fr 1fr}}@media (max-width: 992px){nav.nav-links{display:none!important}.mobile-menu-btn{display:flex!important}.bento-grid{grid-template-columns:1fr!important}.bento-card.wide,.bento-card.tall{grid-column:span 1!important;grid-row:span 1!important}.mobile-dash-header{display:flex!important}aside.sidebar{position:fixed!important;top:0!important;left:0!important;width:290px!important;max-width:85vw!important;height:100vh!important;height:100dvh!important;z-index:10000!important;transform:translate(-100%)!important;transition:transform .35s cubic-bezier(.16,1,.3,1)!important;box-shadow:10px 0 40px #000000d9}aside.sidebar.active{transform:translate(0)!important}.sidebar-close-btn{display:flex!important;align-items:center;justify-content:center}.dashboard-main{padding:5rem 1.25rem 2rem!important;width:100%!important;max-width:100vw!important;overflow-x:hidden!important}.charts-grid,.content-split{grid-template-columns:1fr!important}}@media (max-width: 768px){header.navbar{padding:.85rem 1.25rem}.hero-content h1{font-size:clamp(2rem,7vw,2.8rem);line-height:1.15;letter-spacing:-.02em;word-break:break-word;overflow-wrap:break-word}.hero-content p{font-size:.95rem;line-height:1.5}.section-title h2{font-size:clamp(1.6rem,6vw,2.3rem);word-break:break-word;overflow-wrap:break-word}.calc-metrics-grid{grid-template-columns:1fr!important;gap:.85rem}.checkout-card-bento{flex-direction:column!important}.timeline-container{grid-template-columns:1fr!important}.floating-payment-card{position:relative!important;bottom:0!important;right:0!important;width:100%!important;margin-top:1rem;transform:none!important;animation:none!important}.footer-grid{grid-template-columns:1fr!important}.cta-card h2{font-size:clamp(1.5rem,5.5vw,2.2rem)}.cta-form{flex-direction:column;align-items:stretch;width:100%}.cta-form input{max-width:100%!important;width:100%}.stat-counter-value{font-size:1.9rem}.dashboard-header{flex-direction:column;align-items:flex-start;gap:.85rem}.header-actions{width:100%;flex-direction:column;align-items:stretch;gap:.75rem}.header-actions .btn{width:100%;justify-content:center}}@media (max-width: 480px){header.navbar{padding:.75rem 1rem}.hero{padding:3rem 1rem 2rem}.hero-content h1{font-size:clamp(1.8rem,8vw,2.4rem)}.btn{width:100%;justify-content:center}.hero-actions{width:100%;flex-direction:column;gap:.75rem}.bento-card{padding:1.25rem!important;border-radius:var(--radius-md)!important}.dashboard-main{padding:4.5rem .85rem 1.5rem!important}.metric-card{padding:1.1rem!important}.metric-value{font-size:1.5rem!important}.metrics-row{grid-template-columns:1fr!important;gap:.85rem}.chart-card,.table-card,.feed-card,.key-card{padding:1.1rem!important}}