:root{--brand: #4f6ef7;--brand-hover: #3b5ae0;--brand-soft: #eef1fe;--brand-grad: linear-gradient(135deg, #4f6ef7 0%, #7c5cf0 55%, #9f7bfa 100%);--bg: #f4f5f9;--panel: #ffffff;--panel-2: #fafbfd;--border: #e6e8f0;--border-strong: #d5d8e4;--text-1: #1e2233;--text-2: #5b6172;--text-3: #9aa0b1;--warm: #c2703d;--warm-soft: #fdf4ee;--warm-border: #f0dccd;--radius: 10px;--radius-lg: 14px;--shadow-card: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .05);--shadow-pop: 0 10px 30px rgba(16, 24, 40, .12);--wrap: 1080px;--font: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);font-size:15px;line-height:1.7;color:var(--text-1);background:var(--bg);-webkit-font-smoothing:antialiased;display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-hover)}img{max-width:100%;display:block}h1,h2,h3,h4{margin:0 0 12px;line-height:1.35;font-weight:650}h1{font-size:34px}h2{font-size:24px}h3{font-size:17px}p{margin:0 0 12px}ul{margin:0 0 12px;padding-left:20px}code{font-family:JetBrains Mono,Cascadia Code,Consolas,monospace;font-size:.92em;background:var(--brand-soft);padding:1px 5px;border-radius:4px}.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:20;background:#ffffffeb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.nav{display:flex;align-items:center;gap:24px;height:60px}.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:16px;color:var(--text-1);flex:none}.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--brand-grad);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700}.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}.nav-links a{padding:6px 11px;border-radius:8px;color:var(--text-2);font-size:14px}.nav-links a:hover{background:#4f6ef714;color:var(--brand)}.nav-links a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}.nav-toggle{display:none;margin-left:auto;background:var(--panel);border:1px solid var(--border-strong);border-radius:8px;padding:6px 12px;font-size:14px;color:var(--text-2);cursor:pointer}main{display:block;flex:1 0 auto}.section{padding:56px 0}.section-head{max-width:640px;margin-bottom:28px}.section-head p{color:var(--text-2)}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:22px}.page-head{padding:44px 0 8px}.page-head h1{margin-bottom:8px}.page-head .lead{color:var(--text-2);max-width:660px;margin:0}.req-summary{margin:10px 0 0;font-size:14px;color:var(--text-3)}.hero{padding:72px 0 56px;background:radial-gradient(820px 340px at 16% -14%,rgba(124,92,240,.2),transparent 68%),radial-gradient(720px 320px at 86% -6%,rgba(79,110,247,.18),transparent 70%),linear-gradient(180deg,#efeefe 0%,#f4f3fb 58%,var(--bg) 100%);border-bottom:1px solid var(--border)}.hero-inner{text-align:center;max-width:760px;margin:0 auto}.hero h1{font-size:44px;letter-spacing:-.5px;margin-bottom:14px}.hero h1 em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}.hero .sub{font-size:17px;color:var(--text-2);margin-bottom:28px}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:9px;padding:12px 22px;border-radius:10px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px #4f6ef747}.btn-primary:hover{background:var(--brand-hover);color:#fff}.btn-ghost{background:var(--panel);border-color:var(--border-strong);color:var(--text-1)}.btn-ghost:hover{color:var(--brand);border-color:var(--brand)}.btn-block{width:100%;justify-content:center}.shot{margin:40px auto 0;max-width:940px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-pop);background:var(--panel)}.shot img{width:100%}.showcase{display:grid;gap:44px}.showcase-row{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:36px;align-items:center}.showcase-text h3{font-size:21px;margin-bottom:10px}.showcase-text p{color:var(--text-2)}.showcase-text p:last-child{margin-bottom:0}.showcase-text strong{color:var(--text-1)}.showcase-row .shot{margin:0;max-width:none}.dev-note{max-width:760px;margin:0 auto;padding:30px 34px;background:var(--panel);border:1px solid var(--border);border-left:3px solid var(--brand);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.dev-note h2{font-size:20px;margin-bottom:14px}.dev-note p{color:var(--text-2);font-size:15.5px}.dev-note .dev-sign{margin:16px 0 0;font-size:14px;color:var(--text-3)}.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.feature{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:20px;transition:border-color .15s ease,transform .15s ease}.feature:hover{border-color:#4f6ef76b;transform:translateY(-2px)}.feature .ico{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);margin-bottom:12px}.feature h3{margin-bottom:6px}.feature p{margin:0;font-size:13.5px;color:var(--text-2)}.cta{margin:56px 0;padding:40px;border-radius:var(--radius-lg);background:var(--brand-grad);color:#fff;text-align:center}.cta h2{color:#fff}.cta p{color:#ffffffe0;margin-bottom:22px}.cta .btn-ghost{background:#ffffff24;border-color:#ffffff80;color:#fff}.cta .btn-ghost:hover{background:#ffffff38;color:#fff}.site-footer{flex-shrink:0;border-top:1px solid var(--border);background:var(--panel);padding:26px 0 30px;font-size:13.5px;color:var(--text-2)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:14px 28px;flex-wrap:wrap}.footer-brand{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.footer-name{font-size:15px;font-weight:700;color:var(--text-1)}.footer-tagline{color:var(--text-2)}.footer-legal{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3)}.footer-legal a{color:inherit}.footer-legal a:hover{color:var(--brand)}.pl-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;align-items:stretch}.pl-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:26px 20px;display:flex;flex-direction:column;align-items:center;text-align:center}.pl-ico{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;background:var(--brand-soft);border:1px solid rgba(79,110,247,.28);color:var(--brand)}.pl-ico svg{width:26px;height:26px}.pl-name{margin-top:14px;font-size:16.5px;font-weight:700}.pl-ver{margin:8px 0 0;font-size:13.5px;color:var(--text-2)}.pl-status{margin-top:8px;padding:3px 11px;border-radius:999px;background:var(--brand-soft);border:1px solid rgba(79,110,247,.28);color:var(--brand);font-size:12.5px;font-weight:600}.pl-actions{width:100%;margin-top:18px;display:flex;flex-direction:column;gap:14px}.pl-size{margin:6px 0 0;font-size:12.5px;color:var(--text-3)}.pl-foot{margin:14px 0 0;font-size:12.5px}.pl-note{margin:16px 0 0;font-size:13.5px;color:var(--text-3)}@media (max-width: 1023px){.pl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 767px){.pl-grid{grid-template-columns:minmax(0,1fr)}}.steps{counter-reset:step;list-style:none;padding:0;margin:0}.steps li{counter-increment:step;position:relative;padding:12px 0 12px 44px;border-bottom:1px solid var(--border);color:var(--text-2)}.steps li:last-child{border-bottom:0}.steps li:before{content:counter(step);position:absolute;left:0;top:12px;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:700;display:grid;place-items:center}.steps li strong{color:var(--text-1)}.notice{margin-top:18px;padding:12px 16px;border-radius:var(--radius);background:var(--warm-soft);border:1px solid var(--warm-border);color:#8a4f26;font-size:13.5px}.cl-block{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:22px;margin-bottom:16px}.cl-head{display:flex;align-items:baseline;gap:10px;margin-bottom:14px}.cl-ver{font-size:18px;font-weight:700;color:var(--text-1)}.cl-date{font-size:13px;color:var(--text-3)}.cl-cur{font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:2px 9px}.cl-sec-title{font-size:13px;color:var(--brand);margin:16px 0 6px;font-weight:650}.cl-sec-title:first-of-type{margin-top:0}.cl-list{margin:0;padding-left:18px;color:var(--text-2)}.cl-list li{margin-bottom:5px}.cl-fallback{white-space:pre-wrap;font-family:JetBrains Mono,Cascadia Code,Consolas,monospace;font-size:13px;color:var(--text-2);background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;overflow-x:auto}.tut{display:grid;gap:16px}.tut-item h2{font-size:19px;margin-bottom:6px}.tut-item .tut-tag{font-size:12.5px;color:var(--text-3);margin-bottom:10px}.tut-item ol,.tut-item ul{color:var(--text-2)}.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;overflow:hidden}.faq-item summary{cursor:pointer;padding:15px 18px;font-weight:600;list-style:none;display:flex;align-items:center;gap:10px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";margin-left:auto;color:var(--text-3);font-weight:400;font-size:18px}.faq-item[open] summary:after{content:"−";color:var(--brand)}.faq-item[open] summary{color:var(--brand)}.faq-body{padding:0 18px 16px;color:var(--text-2)}.faq-body p:last-child{margin-bottom:0}.donate-note{background:var(--warm-soft);border:1px solid var(--warm-border);border-radius:var(--radius-lg);padding:20px 22px;color:#7a4620}.donate-note strong{color:#6a3a15}.qr-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:20px}.qr-card{background:var(--panel);border:1px solid var(--warm-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:20px;text-align:center}.qr-card .qr-title{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:650;margin-bottom:4px}.qr-card .qr-hint{font-size:12.5px;color:var(--text-3);margin-bottom:14px}.qr-frame{position:relative;border-radius:var(--radius);background:var(--panel-2);border:1px dashed var(--warm-border);padding:10px;cursor:zoom-in}.qr-frame img{width:100%;max-width:260px;margin:0 auto;border-radius:6px}.donors{margin-top:8px}.donor-empty{color:var(--text-3);background:var(--panel-2);border:1px dashed var(--border-strong);border-radius:var(--radius);padding:22px;text-align:center}.donor-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.donor{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.donor .name{font-weight:650}.donor .msg{font-size:13px;color:var(--text-2);margin:4px 0 0}.disclaimer{margin-top:28px;font-size:12.5px;color:var(--text-3);border-top:1px solid var(--border);padding-top:14px}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:none;place-items:center;background:#101828b8;padding:24px}.lightbox.is-open{display:grid}.lightbox img{max-width:min(420px,88vw);border-radius:var(--radius-lg);background:#fff;padding:12px}.lightbox .lb-close{position:absolute;top:20px;right:24px;background:#ffffff29;color:#fff;border:1px solid rgba(255,255,255,.4);border-radius:8px;padding:6px 12px;cursor:pointer}.contact-card{max-width:560px;text-align:center}.contact-mail{font-size:20px;font-weight:700;word-break:break-all}.prose{max-width:760px}.prose h2{font-size:18px;margin-top:26px}.prose ol{padding-left:20px;color:var(--text-2)}.prose li{margin-bottom:8px}.prose .updated{font-size:13px;color:var(--text-3)}@media (max-width: 900px){h1{font-size:26px}.hero{padding:44px 0 34px}.hero h1{font-size:30px}.hero .sub{font-size:15.5px}.section{padding:38px 0}.nav-toggle{display:block}.nav{height:auto;padding:10px 0;align-items:center}.nav-links{display:none;width:100%;margin:8px 0 4px;flex-direction:column;align-items:stretch;gap:2px}.nav-links.is-open{display:flex}.nav-links a{padding:9px 11px}.features{grid-template-columns:repeat(2,minmax(0,1fr))}.showcase{gap:32px}.showcase-row{grid-template-columns:minmax(0,1fr);gap:22px}.dev-note{padding:22px 20px}.qr-grid,.price-grid,.donor-list{grid-template-columns:minmax(0,1fr)}.cta{padding:28px 20px;margin:38px 0}.wrap{padding:0 18px}}@media (max-width: 520px){.features{grid-template-columns:minmax(0,1fr)}.footer-inner{flex-direction:column;align-items:flex-start}.hero-actions .btn{width:100%;justify-content:center}}