:root{--brand: #2563eb;--brand-2: #7c3aed;--grad: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);--grad-subtle: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);--ink: #0f172a;--ink-2: #334155;--ink-3: #64748b;--ink-4: #94a3b8;--bg: #f8fafc;--card: #ffffff;--line: #e2e8f0;--radius: 16px;--radius-sm: 12px;--shadow: 0 4px 20px rgba(15, 23, 42, .06);--shadow-lg: 0 18px 44px rgba(15, 23, 42, .12)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}ul{list-style:none}img{max-width:100%}.container{max-width:1200px;margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:50;background:#ffffffeb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.site-header .inner{display:flex;align-items:center;height:64px;gap:24px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}.logo .mark{width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 4px 12px #7c3aed4d}.logo .sub{font-size:11px;color:var(--ink-3);font-weight:500;display:block;line-height:1.1}.nav{display:flex;gap:4px;flex:1}.nav a{padding:8px 12px;font-size:14px;color:var(--ink-2);border-radius:8px;transition:all .2s;white-space:nowrap}.nav a:hover,.nav a.router-link-active{color:var(--brand);background:#eff6ff}.header-actions{display:flex;gap:10px;align-items:center}.header-actions .hi{font-size:14px;color:var(--ink-3);margin-right:2px}.menu-toggle{display:none;width:40px;height:40px;padding:10px 9px;flex-direction:column;justify-content:space-between;background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer}.menu-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink-2);transition:all .25s}.menu-toggle.active span:nth-child(1){transform:translateY(9px) rotate(45deg)}.menu-toggle.active span:nth-child(2){opacity:0}.menu-toggle.active span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}.mobile-nav{position:fixed;top:64px;right:0;bottom:0;left:0;z-index:60;background:#0f172a73;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.mobile-panel{background:#fff;border-bottom:1px solid var(--line);padding:12px 20px 20px;box-shadow:var(--shadow-lg)}.mobile-panel a{display:block;padding:13px 4px;font-size:15px;font-weight:600;color:var(--ink-2);border-bottom:1px solid #f1f5f9}.mobile-panel a.router-link-active{color:var(--brand)}.mobile-actions{display:flex;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid #f1f5f9}.mobile-actions .btn{flex:1;height:46px;border-radius:12px;font-size:15px;display:inline-flex;align-items:center;justify-content:center;gap:7px}.mobile-actions .btn svg{width:17px;height:17px;flex-shrink:0}.mobile-actions .btn:active{transform:scale(.97)}.drawer-enter-active,.drawer-leave-active{transition:opacity .2s}.drawer-enter-from,.drawer-leave-to{opacity:0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 20px;border-radius:10px;font-size:14px;font-weight:600;border:none;cursor:pointer;transition:all .2s}.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 16px #7c3aed59}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 22px #7c3aed66}.btn-ghost{background:transparent;color:var(--brand);border:1px solid #bfdbfe}.btn-ghost:hover{background:#eff6ff}.btn-dark{background:var(--ink);color:#fff}.btn-lg{padding:13px 30px;font-size:16px;border-radius:12px}.hero{position:relative;overflow:hidden;color:#fff;text-align:center;padding:110px 0 120px;background:radial-gradient(1000px 480px at 85% -20%,rgba(124,58,237,.35),transparent 60%),radial-gradient(700px 380px at 5% -10%,rgba(37,99,235,.3),transparent 55%),linear-gradient(180deg,#0b1220,#0f172a 70%,#131c31)}.hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(900px 500px at 50% 0%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(900px 500px at 50% 0%,#000 30%,transparent 75%)}.hero>.container{position:relative}.hero .badge{display:inline-flex;align-items:center;gap:8px;margin-bottom:26px;padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;color:#dbeafe;background:#2563eb29;border:1px solid rgba(96,165,250,.35);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.hero h1{font-size:54px;line-height:1.22;font-weight:800;letter-spacing:-1.5px}.hero h1 .grad-text{background:linear-gradient(90deg,#60a5fa,#a78bfa 60%,#f0abfc);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p.lead{margin:24px auto 0;max-width:680px;font-size:18px;color:#cbd5e1}.hero .cta{margin-top:40px;display:flex;gap:16px;justify-content:center}.hero .cta .btn-lg{padding:14px 34px;font-size:16px}.hero .stats{margin-top:64px;display:flex;gap:56px;justify-content:center;flex-wrap:wrap}.hero .stats>div{position:relative;padding:0 28px}.hero .stats>div:not(:last-child):after{content:"";position:absolute;right:0;top:12%;bottom:12%;width:1px;background:#94a3b838}.hero .stats .num{font-size:30px;font-weight:800;background:linear-gradient(90deg,#e2e8f0,#93c5fd);-webkit-background-clip:text;background-clip:text;color:transparent}.hero .stats .lbl{color:#94a3b8;font-size:13px;margin-top:2px}.section{padding:88px 0}.section.alt{background:#fff}.section-head{text-align:center;margin-bottom:56px;max-width:680px;margin-left:auto;margin-right:auto}.section-head .tag{display:inline-block;padding:5px 16px;border-radius:999px;background:linear-gradient(135deg,#eff6ff,#f5f3ff);color:var(--brand);font-size:13px;font-weight:700;margin-bottom:16px;border:1px solid #e0e7ff}.section-head h2{font-size:36px;font-weight:800;letter-spacing:-.5px}.section-head p{margin-top:14px;color:var(--ink-3);font-size:16px}.grid{display:grid;gap:24px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:all .25s;box-shadow:var(--shadow)}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.card .ico{width:48px;height:48px;border-radius:13px;background:linear-gradient(135deg,#eff6ff,#f5f3ff);color:var(--brand);border:1px solid #e0e7ff;display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:all .25s}.card:hover .ico{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 14px #7c3aed4d}.card .ico svg{width:24px;height:24px}.card h3{font-size:17px;margin-bottom:8px;font-weight:700}.card p{color:var(--ink-3);font-size:14px}.plans{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;align-items:stretch}.plan-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;display:flex;flex-direction:column;position:relative;transition:all .25s}.plan-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.plan-card.hot{border:2px solid var(--brand);box-shadow:0 14px 34px #2563eb2e}.plan-card .badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px;white-space:nowrap;box-shadow:0 4px 10px #7c3aed59}.plan-card .p-name{font-weight:800;font-size:16px}.plan-card .p-desc{color:var(--ink-3);font-size:13px;min-height:38px;margin:6px 0 14px}.plan-card .p-price{font-size:30px;font-weight:800;letter-spacing:-1px}.plan-card .p-price small{font-size:14px;font-weight:500;color:var(--ink-3)}.plan-card .p-meta{color:var(--ink-3);font-size:13px;margin:4px 0 18px}.plan-card .p-btn{margin-top:auto}.auth-wrap{max-width:480px;margin:72px auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:44px;box-shadow:var(--shadow-lg)}.auth-wrap h2{font-size:26px;font-weight:800;margin-bottom:6px}.auth-wrap .sub{color:var(--ink-3);font-size:14px;margin-bottom:30px}.field{margin-bottom:20px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--ink-2)}.field input,.field select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);font-size:15px;outline:none;transition:all .2s;background:#fff}.field input:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 4px #2563eb1f}.field .hint{font-size:12px;color:var(--ink-3);margin-top:5px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}.step{position:relative;padding:28px 24px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:all .25s}.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.step:before{counter-increment:step;content:counter(step,decimal-leading-zero);font-size:34px;font-weight:800;line-height:1;background:linear-gradient(135deg,#dbeafe,#ede9fe);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:14px}.step h4{font-size:16px;margin-bottom:6px;font-weight:700}.step p{color:var(--ink-3);font-size:14px}.page{max-width:860px;margin:0 auto;padding:72px 24px}.page h1{font-size:36px;font-weight:800;margin-bottom:10px}.page .lead{color:var(--ink-3);font-size:17px;margin-bottom:40px}.page h2{font-size:22px;font-weight:700;margin:40px 0 14px}.page p,.page li{color:var(--ink-2);font-size:15px}.page ul{margin:12px 0 12px 20px}.page ul li{list-style:disc;margin-bottom:8px}.page table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}.page table th,.page table td{border:1px solid var(--line);padding:10px 14px;text-align:left}.page table th{background:#f1f5f9}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.contact-item{display:flex;gap:16px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px}.contact-item .ico{width:46px;height:46px;border-radius:12px;background:#eff6ff;color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.contact-item h4{font-size:15px;margin-bottom:4px}.contact-item p{color:var(--ink-3);font-size:14px}.site-footer{background:#0b1220;color:#94a3b8;padding:64px 0 32px;margin-top:40px}.site-footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid #1e293b}.site-footer h4{color:#e2e8f0;font-size:14px;margin-bottom:16px;font-weight:600}.site-footer li{margin-bottom:10px;font-size:13px}.site-footer li a:hover{color:#fff}.site-footer .brand{color:#e2e8f0;font-weight:800;font-size:18px;margin-bottom:12px}.site-footer .brand .mark{width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;display:inline-flex;align-items:center;justify-content:center;margin-right:8px;vertical-align:middle;font-size:16px}.site-footer .desc{font-size:13px;line-height:1.8}.site-footer .copy{padding-top:28px;font-size:12px;text-align:center}.tip{background:#fefce8;border:1px solid #fde68a;border-radius:10px;padding:14px 18px;font-size:14px;color:#713f12;margin:16px 0}.msg{padding:12px 16px;border-radius:10px;font-size:14px;margin-bottom:18px}.msg.ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}.msg.err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}@media (max-width: 960px){.grid-3,.grid-4,.plans,.steps{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr}.site-footer .cols{grid-template-columns:1fr 1fr}.nav{display:none}.menu-toggle{display:flex}.header-actions{display:none}.hero h1{font-size:34px}.hero{padding:72px 0 80px}.hero .stats{gap:28px}.hero .stats>div{padding:0 18px}}@media (max-width: 560px){.grid-3,.grid-4,.plans,.steps,.form-row,.site-footer .cols{grid-template-columns:1fr}.section{padding:60px 0}.section-head h2{font-size:28px}.auth-wrap{padding:30px 22px;margin:40px auto}.hero h1{font-size:28px}.hero .stats{gap:14px;display:grid;grid-template-columns:1fr 1fr;margin-top:40px}.hero .stats>div{padding:14px 10px}.hero .stats>div:not(:last-child):after{display:none}.hero .stats .num{font-size:24px}.page{padding:48px 20px}.page h1{font-size:28px}}.hero-sm{padding:84px 0 96px}.hero-sm h1{font-size:42px}.hero-sm p.lead{margin-top:20px}.card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.tag-chip{padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;color:var(--brand);background:#eff6ff;border:1px solid #dbeafe}.tag-chip:hover{background:var(--grad);color:#fff;border-color:transparent}.cta-band{text-align:center;padding:76px 0;background:radial-gradient(700px 320px at 50% -30%,rgba(124,58,237,.28),transparent 60%),linear-gradient(180deg,#0f172a,#0b1220);color:#fff}.cta-band h2{font-size:30px;font-weight:800;letter-spacing:-.5px}.cta-band p{color:#94a3b8;margin:12px auto 30px;max-width:520px;font-size:15px}@media (max-width: 560px){.hero-sm h1{font-size:30px}.cta-band{padding:56px 0}.cta-band h2{font-size:24px}}.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1);will-change:opacity,transform}.reveal.is-visible{opacity:1;transform:none}.reveal-left{transform:translate(-30px)}.reveal-right{transform:translate(30px)}.reveal-scale{transform:scale(.94)}.reveal.is-visible.reveal-left,.reveal.is-visible.reveal-right,.reveal.is-visible.reveal-scale{transform:none}@media (prefers-reduced-motion: reduce){.reveal{opacity:1!important;transform:none!important;transition:none!important}}.hero .container>*{animation:heroUp .8s both}.hero h1{animation-delay:.08s}.hero p.lead{animation-delay:.16s}.hero .cta{animation-delay:.24s}.hero .stats{animation-delay:.32s}@keyframes heroUp{0%{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}.hero:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:linear-gradient(120deg,transparent 35%,rgba(139,92,246,.12),transparent 65%);background-size:220% 220%;animation:heroFlow 10s ease-in-out infinite;mix-blend-mode:screen}@keyframes heroFlow{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.card:hover .ico svg{animation:icoPulse 1.1s ease}@keyframes icoPulse{0%{transform:scale(1)}50%{transform:scale(1.14)}to{transform:scale(1)}}.count{font-variant-numeric:tabular-nums}.grad-underline{display:inline-block;position:relative}.grad-underline:after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:3px;border-radius:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .6s ease .25s}.is-visible .grad-underline:after{transform:scaleX(1)}.feature-row{display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start;padding:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);transition:all .25s;box-shadow:var(--shadow)}.feature-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.feature-row .ico{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,#eff6ff,#f5f3ff);color:var(--brand);border:1px solid #e0e7ff;display:flex;align-items:center;justify-content:center;transition:all .25s}.feature-row:hover .ico{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 14px #7c3aed4d}.feature-row .ico svg{width:30px;height:30px}.feature-row h3{font-size:18px;margin-bottom:6px;font-weight:700}.feature-row .desc{color:var(--ink-3);font-size:14.5px}.feature-row ul{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.feature-row li{list-style:none;font-size:13px;font-weight:600;color:var(--brand);background:#eff6ff;border:1px solid #dbeafe;padding:4px 12px;border-radius:999px}.feature-row li:hover{background:var(--grad);color:#fff;border-color:transparent}.code{background:#0b1220;color:#e2e8f0;border-radius:12px;padding:18px 20px;font-size:13px;line-height:1.7;overflow-x:auto;margin:16px 0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.code .m{color:#7dd3fc}.code .k{color:#c4b5fd}.code .s{color:#86efac}.code .c{color:#64748b}.bars{display:grid;gap:14px}.bar{display:grid;grid-template-columns:140px 1fr 56px;gap:14px;align-items:center}.bar .name{font-size:14px;color:var(--ink-2);font-weight:600}.bar .track{height:12px;background:#eef2f7;border-radius:999px;overflow:hidden}.bar .fill{height:100%;border-radius:999px;background:var(--grad);width:0;transition:width 1.2s cubic-bezier(.22,.61,.36,1)}.is-visible .bar .fill{width:var(--w)}.bar .val{font-size:13px;color:var(--ink-3);text-align:right;font-variant-numeric:tabular-nums}
