:root{--bg:#f4f1e9;--ink:#16201d;--green:#0f7b61;--acid:#c9f23c;--line:#d9d7ce;--card:#fffdf8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}header{height:76px;max-width:1200px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px}.logo{display:flex;align-items:center;color:var(--ink);text-decoration:none;font-weight:800}.logo i{display:grid;place-items:center;background:var(--ink);color:var(--acid);font-style:normal;width:42px;height:42px;border-radius:12px;margin-right:10px}.logo span{line-height:1.15}.logo small{display:block;font-size:8px;letter-spacing:1.7px;color:#728078;margin-top:5px}nav{display:flex;gap:26px}nav a{color:#5b6861;text-decoration:none;font-size:14px}main{max-width:1200px;margin:auto;padding:0 20px 70px}.hero{min-height:590px;border-radius:28px;background:#13231e;color:#fff;padding:72px 70px;display:flex;justify-content:space-between;align-items:center;overflow:hidden;position:relative}.hero:before{content:"";position:absolute;width:420px;height:420px;border:1px solid #ffffff12;border-radius:50%;right:-70px;top:-100px;box-shadow:0 0 0 90px #ffffff08,0 0 0 180px #ffffff05}.chip{display:inline-block;background:var(--acid);color:#17221d;border-radius:20px;padding:8px 13px;font-size:11px;font-weight:800;letter-spacing:1px}.hero h1{font-family:Georgia,"Songti SC",serif;font-size:66px;line-height:1.08;margin:22px 0}.hero h1 em{color:var(--acid);font-style:normal}.hero p{max-width:560px;color:#aebdb6;line-height:1.9}.actions{display:flex;gap:12px;margin-top:32px}.actions a{padding:14px 20px;border-radius:10px;text-decoration:none;font-weight:700}.primary{background:var(--acid);color:var(--ink)}.secondary{border:1px solid #ffffff33;color:#fff}.boardart{width:330px;height:410px;background:#174e40;border:5px solid #397e68;border-radius:24px;position:relative;box-shadow:0 25px 70px #0008;transform:rotate(5deg);z-index:1}.module{position:absolute;top:80px;left:55px;width:215px;height:230px;background:#c8c7bd;color:#343b37;border-radius:5px;display:grid;place-content:center;text-align:center;box-shadow:inset 0 0 0 8px #aeaDA4}.module b{font:700 25px monospace}.module small{font:16px monospace;margin-top:10px}.antenna{position:absolute;top:24px;left:76px;width:175px;height:40px;background:repeating-linear-gradient(90deg,#d3c16e 0 5px,transparent 5px 10px)}.pin{position:absolute;width:12px;height:12px;background:var(--acid);border-radius:50%}.p1{left:22px;top:90px}.p2{right:22px;top:130px}.p3{left:22px;bottom:70px}.p4{right:22px;bottom:45px}.signal{position:absolute;right:-54px;top:40px;color:var(--acid);font:30px monospace;transform:rotate(-20deg)}.stats{display:grid;grid-template-columns:repeat(4,1fr);margin:18px 0 70px;border:1px solid var(--line);border-radius:16px;background:var(--card)}.stats div{padding:23px 30px;border-right:1px solid var(--line)}.stats div:last-child{border:0}.stats b{font:700 27px Georgia;display:block}.stats span{color:#7b847f;font-size:12px}.section{padding:45px 0}.sectiontitle span{color:var(--green);font-size:11px;font-weight:800;letter-spacing:2px}.sectiontitle h2{font:700 42px Georgia,"Songti SC",serif;margin:10px 0}.sectiontitle p{color:#738079}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:30px}.steps article,.compare article{background:var(--card);border:1px solid var(--line);padding:28px;border-radius:15px}.steps i{font:italic 700 28px Georgia;color:var(--green)}.steps h3{margin:30px 0 10px}.steps p,.compare p,.compare li{color:#6e7973;font-size:14px;line-height:1.8}.steps a{color:var(--green);text-decoration:none;font-size:13px;font-weight:700}.dark{background:#17241f;color:#fff;border-radius:25px;padding:60px;margin:45px -20px}.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.compare article{background:#21332c;border-color:#ffffff12}.compare article>span{font-size:11px;color:var(--acid)}.compare h3{font-size:22px}.compare ul{padding-left:18px}.compare .featured{box-shadow:inset 0 3px var(--acid)}.tools{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.tools a{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;text-decoration:none;color:var(--ink)}.tools b,.tools span{display:block}.tools span{color:#7b847f;font-size:13px;margin-top:9px}.notice,.warning,.sourcebox{background:#e3edc3;border-left:4px solid var(--green);padding:24px;border-radius:9px}.notice p{margin:8px 0 0;color:#59645e}.article{max-width:880px;padding-top:55px}.crumb{font-size:13px;color:#7b847f;margin-bottom:35px}.crumb a{color:#7b847f}.article h1{font:700 48px/1.2 Georgia,"Songti SC",serif;margin:18px 0}.lead{font-size:18px;line-height:1.9;color:#65716b}.article section{margin:55px 0}.article h2{font-size:27px}.flow{display:flex;align-items:center;justify-content:space-between;background:#17241f;color:#fff;border-radius:15px;padding:25px;text-align:center}.flow div{background:#263c33;padding:17px;border-radius:9px}.flow i{font-size:10px;color:var(--acid)}.table{border:1px solid var(--line);border-radius:13px;overflow:hidden}.table div{display:grid;grid-template-columns:150px 1fr;padding:15px 20px;background:var(--card);border-bottom:1px solid var(--line)}.table div:last-child{border:0}.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin:10px 0;padding:20px}.faq summary{font-weight:800;cursor:pointer}.faq ol{color:#65716b;line-height:2}.sourcebox{font-size:14px;line-height:1.8}.sourcebox a{color:var(--green)}.calculator{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:25px}.part{display:grid;grid-template-columns:30px 1fr 110px 80px 30px;gap:8px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}.part input{border:1px solid var(--line);background:#faf9f4;border-radius:6px;padding:9px;min-width:0}.part label{display:flex;align-items:center}.part label input{width:75px}.part .qty{width:45px}.part button,.calculator>button{border:0;background:transparent;cursor:pointer}.calculator>button{color:var(--green);font-weight:700;padding:18px 0}.total{border-top:2px solid var(--ink);display:flex;justify-content:space-between;align-items:center;padding-top:22px}.total span,.total small{display:block}.total small{color:#7b847f;margin-top:5px}.total b{font:700 34px Georgia}.total i{font-style:normal}.mini{grid-template-columns:repeat(3,1fr)}footer{max-width:1160px;margin:auto;border-top:1px solid var(--line);padding:35px 0 50px;display:flex;justify-content:space-between;color:#6e7973}footer p{margin:5px 0}footer a{margin-left:20px;color:#6e7973;text-decoration:none;font-size:13px}@media(max-width:800px){header{height:65px}nav a{display:none}nav a:first-child{display:block}.hero{padding:45px 25px;min-height:540px}.hero h1{font-size:42px}.boardart{display:none}.stats{grid-template-columns:repeat(2,1fr)}.stats div:nth-child(2){border-right:0}.steps,.compare,.tools{grid-template-columns:1fr}.dark{margin:25px -5px;padding:35px 20px}.sectiontitle h2{font-size:34px}.article{padding-top:30px}.article h1{font-size:35px}.flow{flex-direction:column;gap:10px}.flow i{transform:rotate(90deg)}.table div{grid-template-columns:90px 1fr}.part{grid-template-columns:25px 1fr 90px}.part label:nth-of-type(2),.part .remove{display:none}.mini{grid-template-columns:1fr}footer{margin:0 20px}.stats div{padding:18px}}

.wide{max-width:1120px}.projectgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:25px}.projectgrid article{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}.projectgrid article>span{color:var(--green);font:italic 700 18px Georgia}.projectgrid h2{font-size:17px;margin:12px 0}.projectgrid h2 a{color:var(--ink);text-decoration:none}.projectgrid p{color:#68746e;line-height:1.7;min-height:48px}.projectgrid article div{display:flex;gap:14px;color:#78827d;font-size:12px}.boardrank{margin-top:30px}.boardrank article{display:grid;grid-template-columns:80px 1fr;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:25px;margin:10px 0}.boardrank article>b{font:italic 700 32px Georgia;color:var(--green)}.boardrank article span{font-size:11px;color:var(--green);font-weight:700}.boardrank h2{margin:5px 0}.boardrank p{color:#68746e;line-height:1.7}.compare a,.videolist a{color:var(--green);font-size:13px}.spaced{margin-top:30px}.videolist article{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:25px;margin:12px 0}.videolist span{color:var(--green);font-size:11px;font-weight:700}.videolist h2{font-size:21px}.videolist p{color:#68746e}.tutorialgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:30px}.tutorialgrid a{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:23px;color:var(--ink);text-decoration:none}.tutorialgrid b{color:var(--green);font:italic 700 19px Georgia}.tutorialgrid h2{font-size:18px;margin:12px 0 7px}.tutorialgrid p{color:#75807a;margin:0}.check{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 30px 20px 50px;line-height:2.1;color:#5f6b65}@media(max-width:800px){.projectgrid,.tutorialgrid{grid-template-columns:1fr}.boardrank article{grid-template-columns:50px 1fr}.projectgrid p{min-height:0}}
.ad-integration{min-height:90px;margin:35px 0;border:1px dashed #c8ccc6;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-direction:column;color:#87918b}.ad-integration span{font-size:12px;letter-spacing:2px}.ad-integration small{margin-top:6px}