/* roulang page: index */
:root{--ink:#202622;--green:#163b38;--green-2:#24524d;--mint:#dfe9db;--lime:#b7d66a;--coral:#ff765f;--coral-dark:#e85f4a;--cream:#f5f3ed;--paper:#fffefa;--line:#d9ded4;--muted:#64706a;--shadow:0 16px 42px rgba(22,59,56,.09);--shadow-sm:0 8px 20px rgba(22,59,56,.07);--radius:22px;--radius-lg:30px;--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(255,118,95,.4);outline-offset:3px}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.section{padding:94px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:14px 0 0 var(--lime)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5vw,56px);line-height:1.12;letter-spacing:-.045em;margin-bottom:20px}h2{font-size:clamp(28px,3.2vw,38px);line-height:1.2;letter-spacing:-.035em;margin-bottom:10px}h3{font-size:19px;line-height:1.35;margin-bottom:8px}p{color:var(--muted)}.section-head p{max-width:510px;margin:0}.btn{min-height:48px;padding:12px 19px;border:1px solid transparent;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;line-height:1.2;transition:.22s ease}.btn:hover{transform:translateY(-2px);box-shadow:0 12px 22px rgba(22,59,56,.16)}.btn-primary{background:var(--coral);color:#251f1c}.btn-primary:hover{background:var(--coral-dark)}.btn-dark{background:var(--green);color:#fff}.btn-soft{border-color:var(--line);background:var(--paper);color:var(--green)}.btn-text{padding:0;color:var(--green);font-weight:800}.btn-text:hover{color:var(--coral-dark)}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:99px;background:var(--mint);color:var(--green);font-weight:800;font-size:12px;line-height:1.2}.badge.coral{background:#ffe0d9;color:#9a3728}.badge.dark{background:rgba(255,255,255,.13);color:#fff}.card{background:var(--paper);border:1px solid rgba(22,59,56,.1);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.site-header{position:sticky;top:0;z-index:50;background:rgba(245,243,237,.86);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.2s}.site-header.scrolled{background:rgba(255,254,250,.97);border-color:var(--line);box-shadow:0 7px 18px rgba(22,59,56,.06)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:10px;min-width:195px;font-weight:900;color:var(--green);letter-spacing:-.04em}.brand-icon{width:38px;height:38px;border-radius:12px;background:var(--green);display:grid;grid-template-columns:repeat(3,1fr);gap:3px;padding:8px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.16)}.brand-icon i{background:var(--lime);border-radius:2px}.brand-icon i:nth-child(2),.brand-icon i:nth-child(5){background:var(--coral)}.brand small{display:block;font-size:10px;letter-spacing:.04em;color:var(--muted);font-weight:700}.nav{display:flex;align-items:center;gap:4px}.nav a{padding:8px 11px;border-radius:10px;font-size:14px;font-weight:750;color:#43504a;transition:.2s}.nav a:hover,.nav a.active{background:var(--mint);color:var(--green)}.menu-btn{display:none;border:0;background:transparent;color:var(--green);font-size:26px}.mobile-panel{display:none}.hero{padding:54px 0 34px;overflow:hidden}.hero-shell{position:relative;isolation:isolate;border-radius:var(--radius-lg);background:var(--green);color:#fff;padding:clamp(34px,6vw,72px);min-height:550px;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:44px;overflow:hidden}.hero-shell:before{content:"";position:absolute;inset:-30%;z-index:-1;background:radial-gradient(circle at 10% 30%,rgba(183,214,106,.15),transparent 27%),radial-gradient(circle at 91% 73%,rgba(255,118,95,.21),transparent 24%),linear-gradient(125deg,transparent 47%,rgba(255,255,255,.04) 47% 48%,transparent 48%)}.hero-copy p{color:#d9e1db;max-width:600px;font-size:17px}.hero .eyebrow{color:var(--lime)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 24px}.version-line{display:flex;flex-wrap:wrap;gap:9px;color:#d4ddd5;font-size:13px}.device-stage{position:relative;min-height:390px}.tablet{position:absolute;right:3%;top:0;width:min(100%,435px);padding:13px;border:8px solid #0b2725;border-radius:35px;background:#0d2927;box-shadow:22px 25px 0 rgba(4,20,18,.23),0 30px 60px rgba(0,0,0,.25);transform:rotate(3deg)}.screen{min-height:365px;border-radius:22px;overflow:hidden;color:var(--ink);background:#f1eee4;padding:18px}.screen-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;font-weight:800}.screen-title{font-size:23px;font-weight:900;letter-spacing:-.05em;margin:21px 0 15px}.screen-download{background:var(--green);border-radius:16px;padding:16px;color:#fff}.screen-download strong{display:block;font-size:16px}.screen-download span{font-size:11px;color:#cddbd2}.progress{height:8px;border-radius:99px;background:rgba(255,255,255,.18);margin-top:12px;overflow:hidden}.progress i{display:block;height:100%;width:69%;border-radius:inherit;background:var(--lime)}.screen-mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px}.screen-mini{border:1px solid #d5ddd4;border-radius:13px;background:#fff;padding:12px;font-size:12px;font-weight:800}.screen-mini b{display:block;color:var(--green);font-size:17px}.status-strip{padding:0 0 10px}.status-box{display:grid;grid-template-columns:repeat(5,1fr);background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm)}.status-item{padding:17px 20px;border-right:1px solid var(--line)}.status-item:last-child{border:0}.status-item span{display:block;color:var(--muted);font-size:12px}.status-item strong{display:block;color:var(--green);font-size:14px;white-space:nowrap}.download-grid{display:grid;grid-template-columns:1.15fr .92fr .92fr;gap:18px}.download-card{padding:26px;min-height:248px;display:flex;flex-direction:column;align-items:flex-start;position:relative;overflow:hidden}.download-card.featured{background:var(--green);color:white;border-color:var(--green)}.download-card.featured p,.download-card.featured .meta{color:#d3dfd8}.platform-mark{width:47px;height:47px;border-radius:15px;display:grid;place-items:center;background:var(--mint);color:var(--green);font-size:20px;font-weight:900;margin-bottom:24px}.featured .platform-mark{background:var(--lime)}.download-card p{font-size:14px;margin-bottom:18px}.meta{font-size:12px;color:var(--muted);margin-top:auto}.download-card .btn{margin-top:18px}.hall-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(20px,4vw,40px);display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;overflow:hidden}.hall-info{padding:10px}.hall-info p{max-width:400px}.hall-ui{background:#e8ece3;border-radius:22px;padding:17px;box-shadow:inset 0 0 0 1px rgba(22,59,56,.07)}.ui-header,.filters{display:flex;justify-content:space-between;align-items:center;gap:10px}.ui-header strong{color:var(--green)}.filters{justify-content:flex-start;margin:18px 0}.filter{border-radius:99px;padding:5px 9px;background:#fff;color:var(--muted);font-size:11px;font-weight:700}.filter.active{background:var(--green);color:#fff}.game-row{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}.game-tile{min-height:135px;border-radius:16px;padding:13px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(145deg,#cad8bb,#8eb3a1);color:var(--green);font-size:12px;font-weight:800}.game-tile:nth-child(2){background:linear-gradient(145deg,#ffd2bb,#e9a982)}.game-tile:nth-child(3){background:linear-gradient(145deg,#c2d8df,#8ca7b3)}.game-tile b{font-size:15px}.game-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;overflow-x:auto;padding:4px 3px 12px}.game-card{min-width:205px;padding:14px}.cover{height:128px;border-radius:15px;background:linear-gradient(135deg,#315f57,#95ba96);margin-bottom:14px;position:relative;overflow:hidden}.cover:after{content:"";position:absolute;width:100px;height:100px;border:15px solid rgba(255,255,255,.18);border-radius:50%;right:-32px;top:-31px}.game-card:nth-child(2) .cover{background:linear-gradient(135deg,#eead83,#ff765f)}.game-card:nth-child(3) .cover{background:linear-gradient(135deg,#708fa6,#c2d9dc)}.game-card:nth-child(4) .cover{background:linear-gradient(135deg,#9bbd70,#d5dd9a)}.game-card:nth-child(5) .cover{background:linear-gradient(135deg,#5c7770,#b0c8bf)}.game-card p{font-size:13px;margin:8px 0}.tiny-meta{font-size:12px;color:var(--muted);display:flex;justify-content:space-between}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.step{position:relative;padding:25px 21px;background:var(--paper);border:1px solid var(--line);border-radius:20px}.step-num{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--green);color:#fff;font-size:13px;font-weight:900;margin-bottom:20px}.step p{font-size:13px;margin:0}.compat-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.compat-card,.tips-card{padding:28px}.compat-table{margin-top:20px;border-top:1px solid var(--line)}.compat-row{display:grid;grid-template-columns:1.2fr 1fr .8fr;gap:10px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}.compat-row span:last-child{color:var(--green);font-weight:800}.tips-card{background:#e2eadc}.check-list{list-style:none;padding:0;margin:18px 0 0}.check-list li{position:relative;padding:10px 0 10px 28px;border-bottom:1px solid rgba(22,59,56,.12);font-size:14px}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}.timeline{position:relative;margin-left:12px;border-left:2px solid #cad8c7}.timeline-item{position:relative;margin:0 0 16px 26px;padding:21px 24px}.timeline-item:before{content:"";position:absolute;width:13px;height:13px;background:var(--coral);border:3px solid var(--cream);border-radius:50%;left:-34px;top:27px}.timeline-item.old{opacity:.66}.timeline-item p{font-size:14px;margin:8px 0}.timeline-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.news-card{overflow:hidden;display:flex;flex-direction:column}.news-image{height:148px;background:linear-gradient(135deg,#d4e1c5,#7fa697);position:relative}.news-image:before{content:"";position:absolute;inset:22px;background:rgba(255,255,255,.28);border-radius:14px}.news-card:nth-child(2) .news-image{background:linear-gradient(135deg,#fed4c5,#ed9b7d)}.news-card:nth-child(3) .news-image{background:linear-gradient(135deg,#c7d8df,#8ca8ae)}.news-body{padding:18px}.news-body h3{font-size:17px}.news-body p{font-size:13px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.news-foot{display:flex;justify-content:space-between;align-items:center;margin-top:15px;color:var(--muted);font-size:12px}.empty-state{padding:45px;text-align:center;border:1px dashed var(--line);border-radius:22px;background:var(--paper);color:var(--muted)}.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.safety-card{padding:28px}.safety-card.dark{background:var(--green);color:#fff}.safety-card.dark p{color:#d6e1db}.safety-card ul{margin:18px 0 0;padding-left:20px}.safety-card li{margin:7px 0;font-size:14px}.editorial{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.feature-story{padding:28px;min-height:280px;background:linear-gradient(135deg,#dce8d7,#fffefa);display:flex;flex-direction:column;justify-content:end}.feature-story p{font-size:14px}.link-list{padding:10px 24px}.link-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:19px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:800}.link-item:last-child{border:0}.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.channel{padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:17px;transition:.2s}.channel:hover{border-color:var(--green);transform:translateY(-3px);box-shadow:var(--shadow-sm)}.channel-icon{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--mint);color:var(--green);font-weight:900;margin-bottom:12px}.channel span{display:block;font-size:12px;color:var(--muted);margin-top:3px}.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:34px}.faq-list{display:grid;gap:10px}.faq{background:var(--paper);border:1px solid var(--line);border-radius:15px;overflow:hidden}.faq button{width:100%;border:0;background:transparent;padding:17px 19px;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--ink);font-weight:800}.faq button i{font-style:normal;font-size:21px;color:var(--green);transition:.2s}.faq p{display:none;padding:0 19px 18px;margin:0;font-size:14px}.faq.open{background:#e3eee1;border-color:#bfd3bd}.faq.open button i{transform:rotate(45deg)}.faq.open p{display:block}.support{padding:38px;background:#dfe9db;border-radius:var(--radius-lg);display:grid;grid-template-columns:1fr .9fr;gap:36px}.support p{max-width:540px}.support-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{display:grid;gap:5px}.field label{font-size:12px;font-weight:800;color:var(--green)}.field input,.field select,.field textarea{width:100%;border:1px solid #bdcabd;border-radius:11px;background:#fffefa;padding:11px 12px;color:var(--ink)}.field textarea{resize:vertical;min-height:86px}.field.full{grid-column:1/-1}.form-note{font-size:12px;color:var(--muted);margin:0}.site-footer{margin-top:70px;background:var(--green);color:#fff;padding:54px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.footer-brand{color:#fff}.footer-brand small{color:#c9d7ce}.footer-copy{color:#ccdad2;font-size:13px;max-width:370px;margin-top:14px}.footer-col h3{font-size:14px;color:var(--lime);margin-bottom:12px}.footer-col a{display:block;color:#dce5df;font-size:13px;padding:4px 0}.footer-col a:hover{color:#fff}.footer-bottom{margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);display:flex;justify-content:space-between;gap:18px;color:#b9c9bf;font-size:12px}.floating{position:fixed;right:22px;bottom:24px;z-index:45;display:grid;gap:9px}.float-btn{border:0;border-radius:14px;padding:11px 14px;background:var(--green);color:#fff;box-shadow:var(--shadow);font-size:13px;font-weight:800}.float-top{background:var(--paper);color:var(--green);border:1px solid var(--line)}
@media(max-width:1024px){.nav{gap:0}.nav a{padding:8px}.hero-shell{grid-template-columns:1fr;min-height:0}.device-stage{min-height:365px}.tablet{right:50%;transform:translateX(50%) rotate(2deg)}.status-box{grid-template-columns:repeat(3,1fr)}.status-item:nth-child(3){border-right:0}.download-grid{grid-template-columns:1fr 1fr}.download-card.featured{grid-column:span 2}.channel-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.header-inner{height:68px}.nav,.header-download{display:none}.menu-btn{display:block}.mobile-panel.open{display:grid;position:absolute;top:68px;left:0;right:0;padding:16px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.mobile-panel a{padding:11px 8px;border-bottom:1px solid var(--line);font-weight:800;color:var(--green)}.section{padding:58px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}.hero{padding-top:22px}.hero-shell{padding:32px 24px}.hero-actions .btn{flex:1}.status-box{grid-template-columns:1fr 1fr}.status-item{border-bottom:1px solid var(--line)}.status-item:nth-child(2n){border-right:0}.status-item:last-child{border-bottom:0}.download-grid,.hall-panel,.compat-wrap,.editorial,.faq-wrap,.support{grid-template-columns:1fr}.download-card.featured{grid-column:auto}.steps{grid-template-columns:1fr 1fr}.news-grid{grid-template-columns:1fr}.news-card{display:grid;grid-template-columns:150px 1fr}.news-image{height:auto}.channel-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.support-form{grid-template-columns:1fr}.floating{right:14px;bottom:16px}.float-btn:first-child{padding:12px 16px}}
@media(max-width:520px){body{font-size:15px}.hero-shell{border-radius:22px}.hero-copy p{font-size:15px}.device-stage{min-height:326px}.tablet{width:310px}.screen{min-height:300px}.screen-title{margin:14px 0;font-size:19px}.screen-mini-grid{gap:7px}.status-item{padding:13px}.game-row{gap:7px}.hall-panel{padding:16px}.steps{grid-template-columns:1fr}.compat-row{grid-template-columns:1fr .85fr}.compat-row span:last-child{display:none}.safety-grid{grid-template-columns:1fr}.news-card{display:block}.news-image{height:125px}.channel-grid{grid-template-columns:1fr 1fr}.support{padding:25px 20px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}.float-top{display:none}.hero-actions .btn{width:100%}}

/* roulang page: article */
:root{--ink:#202622;--green:#163b38;--green-2:#24524d;--mint:#dfe9db;--lime:#b7d66a;--coral:#ff765f;--coral-dark:#e85f4a;--cream:#f5f3ed;--paper:#fffefa;--line:#d9ded4;--muted:#64706a;--shadow:0 16px 42px rgba(22,59,56,.09);--shadow-sm:0 8px 20px rgba(22,59,56,.07);--radius:22px;--radius-lg:30px;--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(255,118,95,.42);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.section{padding:78px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-head h2{margin:7px 0 0;font-size:30px;line-height:1.25;letter-spacing:-.045em;color:var(--green)}
.section-head p{max-width:510px;margin:0;color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:14px 0 0 var(--lime)}
.btn{min-height:48px;padding:12px 19px;border:1px solid transparent;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;line-height:1.2;transition:.22s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 22px rgba(22,59,56,.16)}
.btn-primary{background:var(--coral);color:#251f1c}
.btn-primary:hover{background:var(--coral-dark)}
.btn-dark{background:var(--green);color:#fff}
.btn-dark:hover{background:var(--green-2)}
.btn-soft{border-color:var(--line);background:var(--paper);color:var(--green)}
.btn-soft:hover{border-color:var(--green);background:var(--mint)}
.btn-text{padding:0;color:var(--green);font-weight:800}
.btn-text:hover{color:var(--coral-dark)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:99px;background:var(--mint);color:var(--green);font-weight:800;font-size:12px;line-height:1.2}
.badge.coral{background:#ffe0d9;color:#9a3728}
.badge.dark{background:rgba(255,255,255,.14);color:#fff}
.card{background:var(--paper);border:1px solid rgba(22,59,56,.1);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(245,243,237,.87);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.2s}
.site-header.scrolled{background:rgba(255,254,250,.97);border-color:var(--line);box-shadow:0 7px 18px rgba(22,59,56,.06)}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:10px;min-width:195px;font-weight:900;color:var(--green);letter-spacing:-.04em}
.brand-icon{width:38px;height:38px;border-radius:12px;background:var(--green);display:grid;grid-template-columns:repeat(3,1fr);gap:3px;padding:8px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.16)}
.brand-icon i{background:var(--lime);border-radius:2px}
.brand-icon i:nth-child(2),.brand-icon i:nth-child(5){background:var(--coral)}
.brand small{display:block;font-size:10px;letter-spacing:.04em;color:var(--muted);font-weight:700}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:8px 11px;border-radius:10px;font-size:14px;font-weight:750;color:#43504a;transition:.2s}
.nav a:hover,.nav a.active{background:var(--mint);color:var(--green)}
.menu-btn{display:none;border:0;background:transparent;color:var(--green);font-size:26px;line-height:1}
.mobile-panel{display:none}
.article-hero{padding:50px 0 24px}
.article-hero-shell{position:relative;overflow:hidden;padding:clamp(30px,5vw,58px);border-radius:var(--radius-lg);background:var(--green);color:#fff}
.article-hero-shell:after{content:"";position:absolute;width:330px;height:330px;right:-105px;top:-135px;border:42px solid rgba(183,214,106,.14);border-radius:50%;box-shadow:-70px 100px 0 -22px rgba(255,118,95,.16)}
.article-hero-inner{position:relative;z-index:1;max-width:930px}
.article-hero h1{max-width:930px;margin:17px 0 18px;font-size:clamp(34px,4.3vw,52px);line-height:1.18;letter-spacing:-.055em}
.article-summary{max-width:825px;margin:0;color:#dce6df;font-size:17px}
.article-meta{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:27px;color:#c7d5ce;font-size:13px}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{width:7px;height:7px;border-radius:50%;background:var(--lime)}
.breadcrumb-wrap{padding:22px 0;border-bottom:1px solid var(--line)}
.breadcrumb{margin:0;display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--muted);font-size:14px}
.breadcrumb a{color:var(--green);font-weight:750}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{color:#9da8a1}
.article-layout{display:grid;grid-template-columns:220px minmax(0,790px);justify-content:center;gap:42px;align-items:start}
.toc{position:sticky;top:102px;padding:21px}
.toc h2{font-size:15px;margin:0 0 12px;color:var(--green)}
.toc a{display:block;padding:8px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted);transition:.2s}
.toc a:hover{color:var(--coral-dark);padding-left:4px}
.article-body{min-width:0;padding:38px 0 0}
.article-body .content-surface{padding:clamp(24px,4vw,46px);background:var(--paper);border:1px solid rgba(22,59,56,.1);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.article-body h2{margin:42px 0 16px;font-size:29px;line-height:1.35;letter-spacing:-.04em;color:var(--green)}
.article-body h2:first-child{margin-top:0}
.article-body h3{margin:27px 0 12px;font-size:21px;line-height:1.45;color:var(--green)}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 20px}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--green);font-weight:750;text-decoration:underline;text-decoration-color:rgba(22,59,56,.35);text-underline-offset:3px}
.article-body blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--coral);border-radius:0 14px 14px 0;background:#fff0eb;color:#424a45}
.article-body img{margin:25px auto;border-radius:18px;box-shadow:var(--shadow-sm)}
.article-body table{width:100%;margin:24px 0;border-collapse:collapse;font-size:14px;overflow:hidden;border:1px solid var(--line);border-radius:14px}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-body th{background:var(--mint);color:var(--green)}
.notice{margin:34px auto 0;max-width:790px;padding:23px 25px;display:flex;gap:16px;border-radius:var(--radius);background:#e7efe3;border:1px solid #cadbc1}
.notice-mark{width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;border-radius:12px;background:var(--green);color:var(--lime);font-weight:900}
.notice h2{font-size:17px;margin:0 0 4px;color:var(--green)}
.notice p{margin:0;color:#46564e;font-size:14px}
.download-action{margin:34px auto 0;max-width:790px;padding:30px;background:var(--green);color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.download-action-head{display:flex;justify-content:space-between;gap:18px;align-items:start}
.download-action h2{margin:9px 0 6px;font-size:25px;letter-spacing:-.04em}
.download-action p{margin:0;color:#d7e2dc;font-size:14px}
.download-options{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:23px}
.download-option{padding:16px;border:1px solid rgba(255,255,255,.14);border-radius:16px;background:rgba(255,255,255,.07)}
.download-option strong{display:block;font-size:15px}
.download-option span{display:block;margin-top:3px;color:#cfe0d7;font-size:12px}
.download-option .btn{width:100%;margin-top:13px;min-height:40px;padding:9px;font-size:13px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{overflow:hidden;transition:.22s ease}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.related-cover{height:130px;position:relative;background:linear-gradient(135deg,#b7d66a,#6d9d88)}
.related-card:nth-child(2) .related-cover{background:linear-gradient(135deg,#ffb09e,#ff765f)}
.related-card:nth-child(3) .related-cover{background:linear-gradient(135deg,#a8c8d0,#4c7774)}
.related-cover:after{content:"";position:absolute;inset:18px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.26) 0 10px,transparent 10px 18px),repeating-linear-gradient(0deg,rgba(255,255,255,.18) 0 10px,transparent 10px 18px);border-radius:13px}
.related-content{padding:19px}
.related-content h3{font-size:17px;line-height:1.45;margin:10px 0 9px;color:var(--green)}
.related-content p{margin:0;color:var(--muted);font-size:13px}
.support-panel{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:36px 42px;background:#e2ebe0;border:1px solid #cfdbca;border-radius:var(--radius-lg)}
.support-panel h2{margin:6px 0 8px;font-size:29px;letter-spacing:-.04em;color:var(--green)}
.support-panel p{max-width:650px;margin:0;color:#526059}
.empty-state{padding:62px 28px;text-align:center}
.empty-icon{width:60px;height:52px;margin:0 auto 18px;border-radius:15px 15px 18px 18px;background:var(--mint);position:relative}
.empty-icon:before{content:"";position:absolute;left:9px;top:-7px;width:27px;height:14px;border-radius:10px 10px 0 0;background:var(--lime)}
.empty-state h2{font-size:25px;color:var(--green)}
.site-footer{margin-top:72px;padding:62px 0 20px;background:var(--green);color:#eef4ef}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px}
.footer-brand{color:#fff;margin-bottom:18px}
.footer-brand small{color:#c3d4c9}
.footer-copy{max-width:360px;margin:0;color:#c8d6ce;font-size:14px}
.footer-col h3{font-size:14px;margin:5px 0 14px;color:var(--lime)}
.footer-col a{display:block;margin:8px 0;color:#dbe6df;font-size:14px;transition:.2s}
.footer-col a:hover{color:var(--coral);padding-left:3px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:19px;border-top:1px solid rgba(255,255,255,.15);color:#b9cbc0;font-size:12px}
.float-tools{position:fixed;z-index:30;right:22px;bottom:24px;display:grid;gap:10px}
.float-download,.back-top{display:flex;align-items:center;justify-content:center;border-radius:14px;box-shadow:var(--shadow);font-weight:800}
.float-download{min-height:46px;padding:10px 15px;background:var(--coral);color:#2b2420}
.back-top{width:46px;height:42px;margin-left:auto;background:var(--paper);color:var(--green);border:1px solid var(--line)}
@media(max-width:1024px){
.article-layout{grid-template-columns:180px minmax(0,1fr);gap:25px}.related-grid{grid-template-columns:repeat(3,1fr)}.header-inner .btn{display:none}
}
@media(max-width:768px){
.container{width:min(var(--max),calc(100% - 32px))}.header-inner{height:68px}.nav{display:none}.menu-btn{display:block}.mobile-panel{position:absolute;top:68px;left:16px;right:16px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.mobile-panel.open{display:flex}.mobile-panel a{padding:11px 13px;border-radius:10px;font-weight:750;color:var(--green)}.mobile-panel a:hover{background:var(--mint)}.article-hero{padding-top:28px}.article-hero-shell{padding:32px 26px}.article-summary{font-size:15px}.article-layout{display:block}.toc{position:static;margin:0 0 20px;padding:18px}.toc-links{display:grid;grid-template-columns:repeat(2,1fr);gap:0 14px}.article-body{padding-top:0}.download-options{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.related-card{display:grid;grid-template-columns:145px 1fr}.related-cover{height:auto;min-height:145px}.support-panel{display:block;padding:30px}.support-panel .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin:6px 0}.section{padding:56px 0}
}
@media(max-width:520px){
.container{width:calc(100% - 28px)}.article-hero h1{font-size:32px}.article-meta{gap:8px 14px}.toc-links{grid-template-columns:1fr}.article-body .content-surface{padding:24px 20px}.article-body h2{font-size:25px}.download-action{padding:24px 19px}.download-action-head{display:block}.download-action .badge{margin-top:12px}.related-card{display:block}.related-cover{height:145px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.float-tools{right:14px;bottom:16px}.float-download{padding:10px 13px}.section-head{display:block}.section-head p{margin-top:12px}
}

/* roulang page: category1 */
:root{--ink:#202622;--green:#163b38;--green-2:#24524d;--mint:#dfe9db;--lime:#b7d66a;--coral:#ff765f;--coral-dark:#e85f4a;--cream:#f5f3ed;--paper:#fffefa;--line:#d9ded4;--muted:#64706a;--shadow:0 16px 42px rgba(22,59,56,.09);--shadow-sm:0 8px 20px rgba(22,59,56,.07);--radius:22px;--radius-lg:30px;--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible{outline:3px solid rgba(255,118,95,.42);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.section{padding:88px 0}
.site-header{position:sticky;top:0;z-index:50;background:rgba(245,243,237,.9);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.2s}
.site-header.scrolled{background:rgba(255,254,250,.98);border-color:var(--line);box-shadow:0 7px 18px rgba(22,59,56,.06)}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:10px;min-width:220px;font-weight:900;color:var(--green);letter-spacing:-.04em}
.brand-icon{width:38px;height:38px;border-radius:12px;background:var(--green);display:grid;grid-template-columns:repeat(3,1fr);gap:3px;padding:8px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.16)}
.brand-icon i{background:var(--lime);border-radius:2px}
.brand-icon i:nth-child(2),.brand-icon i:nth-child(5){background:var(--coral)}
.brand small{display:block;font-size:10px;letter-spacing:.04em;color:var(--muted);font-weight:700}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:8px 11px;border-radius:10px;font-size:14px;font-weight:750;color:#43504a;transition:.2s}
.nav a:hover,.nav a.active{background:var(--mint);color:var(--green)}
.header-download{white-space:nowrap}
.menu-btn{display:none;border:0;background:transparent;color:var(--green);font-size:26px}
.mobile-panel{display:none}
.btn{min-height:46px;padding:11px 18px;border:1px solid transparent;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;line-height:1.2;transition:.22s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 22px rgba(22,59,56,.16)}
.btn-primary{background:var(--coral);color:#251f1c}
.btn-primary:hover{background:var(--coral-dark)}
.btn-dark{background:var(--green);color:#fff}
.btn-soft{border-color:var(--line);background:var(--paper);color:var(--green)}
.btn-text{padding:0;color:var(--green);font-weight:800}
.card{background:var(--paper);border:1px solid rgba(22,59,56,.1);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:99px;background:var(--mint);color:var(--green);font-weight:800;font-size:12px;line-height:1.2}
.badge.coral{background:#ffe0d9;color:#9a3728}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:14px 0 0 var(--lime)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,5vw,52px);line-height:1.16;letter-spacing:-.055em;font-weight:900}
h2{font-size:clamp(27px,3vw,35px);line-height:1.25;letter-spacing:-.04em;font-weight:900}
h3{font-size:19px;line-height:1.35;font-weight:850}
.muted{color:var(--muted)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head p{max-width:560px;margin-bottom:0;color:var(--muted)}
.page-intro{padding:60px 0 48px}
.intro-shell{display:grid;grid-template-columns:1.12fr .88fr;gap:45px;align-items:end}
.intro-copy h1{max-width:720px;margin:16px 0 20px}
.intro-copy p{max-width:690px;color:var(--muted);font-size:17px}
.intro-note{padding:26px;background:var(--green);color:#fff;border-radius:var(--radius);position:relative;overflow:hidden}
.intro-note:after{content:"";position:absolute;width:150px;height:150px;border:20px solid rgba(183,214,106,.18);border-radius:50%;right:-46px;bottom:-62px}
.intro-note strong{display:block;color:var(--lime);font-size:13px;margin-bottom:8px}
.intro-note span{display:block;font-size:14px;color:#dce7df}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--green);font-weight:750}
.version-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.version-card{padding:26px;min-height:235px;display:flex;flex-direction:column}
.version-card.featured{background:var(--green);color:#fff;border-color:var(--green)}
.platform-mark{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:var(--mint);color:var(--green);font-size:19px;font-weight:900;margin-bottom:22px}
.featured .platform-mark{background:var(--lime)}
.version-card p{font-size:14px;color:var(--muted);margin-bottom:16px}
.version-card.featured p{color:#d5e1da}
.card-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.featured .badge{background:rgba(255,255,255,.13);color:#fff}
.info-layout{display:grid;grid-template-columns:1fr .9fr;gap:22px}
.info-card{padding:28px}
.info-row{display:grid;grid-template-columns:120px 1fr auto;align-items:center;gap:14px;padding:17px 0;border-bottom:1px solid var(--line);font-size:14px}
.info-row:last-child{border-bottom:0}
.info-row strong{color:var(--green)}
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
.check-item{display:flex;gap:13px;align-items:flex-start;padding:16px;border-radius:16px;background:#f1f4ed}
.check-icon{width:29px;height:29px;flex:0 0 29px;display:grid;place-items:center;border-radius:9px;background:var(--lime);color:var(--green);font-weight:900}
.check-item strong{display:block;font-size:14px}
.check-item span{display:block;color:var(--muted);font-size:13px;line-height:1.5}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.step{padding:25px 21px;position:relative;overflow:hidden}
.step:before{counter-increment:step;content:"0" counter(step);display:block;color:var(--coral);font-weight:900;font-size:14px;margin-bottom:22px}
.step p{font-size:14px;color:var(--muted);margin-bottom:0}
.guide-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.guide-card{padding:28px}
.guide-card ul{padding:0;margin:18px 0 0;list-style:none}
.guide-card li{padding:13px 0 13px 27px;border-top:1px solid var(--line);font-size:14px;position:relative}
.guide-card li:before{content:"";position:absolute;left:3px;top:22px;width:9px;height:9px;background:var(--coral);border-radius:3px}
.faq-list{max-width:880px;margin:auto}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden}
.faq-question{width:100%;padding:19px 22px;border:0;background:transparent;display:flex;justify-content:space-between;align-items:center;text-align:left;color:var(--ink);font-weight:800}
.faq-question span:last-child{font-size:24px;color:var(--green);transition:.25s}
.faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
.faq-item.open{background:#edf4e9;border-color:#c9d9c5}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.channel{padding:20px;border-radius:18px;background:var(--paper);border:1px solid var(--line);transition:.2s}
.channel:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--lime)}
.channel b{display:block;color:var(--green);margin:10px 0 3px}
.channel span{font-size:12px;color:var(--muted)}
.support-bar{margin-top:28px;padding:26px 30px;border-radius:22px;background:var(--mint);display:flex;align-items:center;justify-content:space-between;gap:20px}
.support-bar p{margin:5px 0 0;color:var(--muted);font-size:14px}
.site-footer{padding:62px 0 22px;background:var(--green);color:#fff}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer-brand{color:#fff}
.footer-brand small{color:#b9cbc0}
.footer-copy{max-width:340px;color:#c8d5cd;font-size:14px;margin:22px 0 0}
.footer-col h3{font-size:15px;color:var(--lime);margin-bottom:16px}
.footer-col a{display:block;color:#d1ddd5;font-size:14px;margin:8px 0;transition:.2s}
.footer-col a:hover{color:var(--coral)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:45px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#aabdb3;font-size:12px}
.float-download{position:fixed;right:22px;bottom:22px;z-index:40;padding:12px 17px;border-radius:14px;background:var(--coral);color:#251f1c;font-size:13px;font-weight:900;box-shadow:0 10px 24px rgba(22,59,56,.2)}
.to-top{position:fixed;right:22px;bottom:78px;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--green);font-weight:900;display:grid;place-items:center;z-index:40}
@media(max-width:1024px){.nav{display:none}.menu-btn{display:block}.header-download{margin-left:auto}.intro-layout,.intro-shell,.info-layout{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.channel-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.header-inner{height:68px}.brand{min-width:0;font-size:14px}.header-download{display:none}.mobile-panel{padding:10px 16px 18px;background:var(--paper);border-bottom:1px solid var(--line)}.mobile-panel.show{display:grid;gap:4px}.mobile-panel a{padding:9px 4px;color:var(--green);font-weight:750}.page-intro{padding:42px 0 30px}.section{padding:62px 0}.version-grid,.guide-layout{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:12px}.info-row{grid-template-columns:100px 1fr}.info-row .badge{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}.support-bar{display:block}.support-bar .btn{margin-top:18px}}
@media(max-width:520px){h1{font-size:34px}.check-list,.steps{grid-template-columns:1fr}.channel-grid{grid-template-columns:1fr 1fr}.info-card,.guide-card{padding:21px}.info-row{grid-template-columns:1fr;gap:3px}.info-row .badge{grid-column:auto;width:max-content}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.float-download{left:16px;right:16px;bottom:14px;text-align:center}.to-top{right:16px;bottom:70px}}

/* roulang page: category2 */
:root{--ink:#202622;--green:#163b38;--green-2:#24524d;--mint:#dfe9db;--lime:#b7d66a;--coral:#ff765f;--coral-dark:#e85f4a;--cream:#f5f3ed;--paper:#fffefa;--line:#d9ded4;--muted:#64706a;--shadow:0 16px 42px rgba(22,59,56,.09);--shadow-sm:0 8px 20px rgba(22,59,56,.07);--radius:22px;--radius-lg:30px;--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(255,118,95,.45);outline-offset:3px}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.section{padding:92px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}.section-head h2{margin:5px 0 0;font-size:clamp(27px,3vw,36px);letter-spacing:-.055em;font-weight:850}.section-head p{max-width:500px;margin:0;color:var(--muted)}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--green);font-size:13px;font-weight:850;letter-spacing:.08em}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:14px 0 0 var(--lime)}.btn{min-height:48px;padding:12px 19px;border:1px solid transparent;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;line-height:1.2;transition:.22s ease}.btn:hover{transform:translateY(-2px);box-shadow:0 12px 22px rgba(22,59,56,.16)}.btn-primary{background:var(--coral);color:#251f1c}.btn-primary:hover{background:var(--coral-dark)}.btn-dark{background:var(--green);color:#fff}.btn-dark:hover{background:#0e2e2b}.btn-soft{border-color:var(--line);background:var(--paper);color:var(--green)}.btn-soft:hover{background:var(--mint)}.btn-text{padding:0;color:var(--green);font-weight:850}.btn-text:hover{color:var(--coral-dark)}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:99px;background:var(--mint);color:var(--green);font-weight:800;font-size:12px;line-height:1.2}.badge.coral{background:#ffe0d9;color:#9a3728}.badge.lime{background:#e8f2c9;color:#486324}.card{background:var(--paper);border:1px solid rgba(22,59,56,.1);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.site-header{position:sticky;top:0;z-index:50;background:rgba(245,243,237,.89);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.2s}.site-header.scrolled{background:rgba(255,254,250,.98);border-color:var(--line);box-shadow:0 7px 18px rgba(22,59,56,.06)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;min-width:195px;font-weight:900;color:var(--green);letter-spacing:-.04em}.brand-icon{width:38px;height:38px;border-radius:12px;background:var(--green);display:grid;grid-template-columns:repeat(3,1fr);gap:3px;padding:8px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.16)}.brand-icon i{background:var(--lime);border-radius:2px}.brand-icon i:nth-child(2),.brand-icon i:nth-child(5){background:var(--coral)}.brand small{display:block;font-size:10px;letter-spacing:.04em;color:var(--muted);font-weight:700}.nav{display:flex;align-items:center;gap:4px}.nav a{padding:8px 11px;border-radius:10px;font-size:14px;font-weight:750;color:#43504a;transition:.2s}.nav a:hover,.nav a.active{background:var(--mint);color:var(--green)}.menu-btn{display:none;border:0;background:transparent;color:var(--green);font-size:26px}.mobile-panel{display:none}
.page-intro{padding:54px 0 26px}.intro-shell{position:relative;overflow:hidden;padding:44px 48px;background:var(--green);border-radius:var(--radius-lg);color:#fff}.intro-shell:before{content:"";position:absolute;right:-50px;top:-75px;width:330px;height:330px;border:34px solid rgba(183,214,106,.14);border-radius:50%}.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:#bdcbc2;position:relative}.crumbs span:last-child{color:var(--lime)}.intro-shell h1{position:relative;max-width:760px;margin:18px 0 13px;font-size:clamp(35px,5vw,54px);line-height:1.16;letter-spacing:-.07em;font-weight:900}.intro-shell p{position:relative;max-width:690px;margin:0;color:#d6e1da;font-size:16px}.intro-meta{position:relative;display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.intro-meta span{padding:5px 11px;border:1px solid rgba(255,255,255,.2);border-radius:99px;font-size:12px;color:#eff7e8}
.filter-panel{padding:18px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:12px;align-items:center}.filter-label{padding:8px 12px;font-size:14px;font-weight:850;color:var(--green)}.filter-option{border:1px solid var(--line);border-radius:14px;background:#fbfbf6;padding:10px 13px;color:#4e5d55;font-size:14px;display:flex;justify-content:space-between;align-items:center}.filter-option:after{content:"⌄";color:var(--green);font-weight:900}
.trial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.trial-card{overflow:hidden;transition:.24s ease}.trial-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.trial-cover{height:158px;padding:18px;display:flex;align-items:flex-end;position:relative;overflow:hidden;background:linear-gradient(135deg,#d7dba5,#9fc2a2)}.trial-card:nth-child(2) .trial-cover{background:linear-gradient(135deg,#98bdbe,#d9e7c3)}.trial-card:nth-child(3) .trial-cover{background:linear-gradient(135deg,#f1c18f,#e89177)}.trial-card:nth-child(4) .trial-cover{background:linear-gradient(135deg,#97b3cc,#d4dfb4)}.trial-card:nth-child(5) .trial-cover{background:linear-gradient(135deg,#91b39b,#c7d889)}.trial-card:nth-child(6) .trial-cover{background:linear-gradient(135deg,#d5b58d,#d7d6a1)}.pixel-shape{position:absolute;right:20px;top:17px;width:77px;height:77px;border-radius:21px;border:10px solid rgba(255,255,255,.49);box-shadow:27px 26px 0 -10px rgba(22,59,56,.18)}.cover-mark{position:relative;padding:5px 10px;border-radius:99px;background:rgba(255,255,255,.78);font-weight:850;font-size:12px;color:var(--green)}.trial-body{padding:20px}.trial-body h3{font-size:20px;line-height:1.35;margin:11px 0 8px;letter-spacing:-.035em}.trial-body p{min-height:49px;margin:0;color:var(--muted);font-size:14px}.card-meta{display:flex;justify-content:space-between;gap:8px;padding:15px 0;border-top:1px solid var(--line);margin-top:16px;color:var(--muted);font-size:12px}.card-action{width:100%;margin-top:2px}
.scene-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.scene{padding:25px 21px;position:relative}.scene-num{display:grid;place-items:center;width:37px;height:37px;margin-bottom:20px;border-radius:12px;background:var(--mint);color:var(--green);font-weight:900}.scene h3{font-size:18px;margin:0 0 8px}.scene p{margin:0;color:var(--muted);font-size:14px}.scene:after{content:"";position:absolute;right:-10px;top:42px;width:20px;height:1px;background:var(--line)}.scene:last-child:after{display:none}
.tips-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:24px}.feature-story{padding:30px;background:var(--green);color:#fff;position:relative;overflow:hidden}.feature-story:after{content:"";position:absolute;width:160px;height:160px;border-radius:30px;border:26px solid rgba(183,214,106,.15);right:-42px;bottom:-52px;transform:rotate(27deg)}.feature-story h3{position:relative;margin:16px 0 10px;font-size:25px;letter-spacing:-.05em}.feature-story p{position:relative;color:#d8e2dc;margin:0 0 25px}.tip-list{padding:8px 26px}.tip-item{display:flex;align-items:center;gap:15px;padding:19px 0;border-bottom:1px solid var(--line)}.tip-item:last-child{border:0}.tip-icon{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--mint);display:grid;place-items:center;color:var(--green);font-weight:900}.tip-item strong{display:block;font-size:15px}.tip-item span{display:block;color:var(--muted);font-size:13px}
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.notice{padding:27px}.notice-icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:#ffe0d9;color:#a34231;font-weight:900;font-size:19px;margin-bottom:16px}.notice:nth-child(2) .notice-icon{background:var(--mint);color:var(--green)}.notice:nth-child(3) .notice-icon{background:#e8f2c9;color:#526e2e}.notice h3{font-size:18px;margin:0 0 8px}.notice p{margin:0;color:var(--muted);font-size:14px}
.faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px;align-items:start}.faq-copy h2{font-size:34px;line-height:1.25;letter-spacing:-.06em;margin:10px 0 14px}.faq-copy p{color:var(--muted);margin:0}.faq-list{display:grid;gap:11px}.faq-item{border:1px solid var(--line);border-radius:17px;background:var(--paper);overflow:hidden}.faq-q{width:100%;border:0;background:transparent;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:16px;text-align:left;font-size:16px;font-weight:850;color:var(--green)}.faq-q b{font-size:22px;font-weight:500;transition:.2s}.faq-a{display:none;padding:0 20px 19px;color:#53615a;font-size:14px}.faq-item.open{background:var(--mint);border-color:#c4d6c0}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q b{transform:rotate(45deg)}
.channel-box{padding:34px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;background:var(--paper)}.channel-box h2{font-size:27px;letter-spacing:-.05em;margin:7px 0}.channel-box p{color:var(--muted);margin:0}.channel-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.channel-link{min-width:125px;padding:14px 13px;border:1px solid var(--line);background:#fbfbf6;border-radius:15px;font-size:14px;font-weight:850;color:var(--green);transition:.2s}.channel-link:hover{border-color:var(--green);background:var(--mint);transform:translateY(-2px)}.more-line{text-align:right;margin-top:24px}
.support-band{padding:42px 46px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:space-between;gap:25px;background:#e8eddf}.support-band h2{font-size:28px;letter-spacing:-.055em;margin:0 0 6px}.support-band p{margin:0;color:var(--muted)}
.site-footer{background:var(--green);color:#e4ebe4;padding:66px 0 22px;margin-top:90px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px}.footer-brand{color:#fff}.footer-brand small{color:#b9c8bc}.footer-copy{max-width:345px;color:#bfcbc2;font-size:14px;margin:16px 0 0}.footer-col h3{font-size:14px;color:var(--lime);margin:3px 0 13px}.footer-col a{display:block;color:#d8e2db;font-size:14px;padding:4px 0;transition:.2s}.footer-col a:hover{color:var(--coral);transform:translateX(3px)}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:15px;margin-top:45px;padding-top:18px;color:#aebfb3;font-size:13px}.float-tools{position:fixed;right:22px;bottom:22px;z-index:30;display:grid;gap:9px}.float-btn{width:49px;height:49px;border:0;border-radius:16px;background:var(--green);color:#fff;box-shadow:var(--shadow);display:grid;place-items:center;font-size:18px;transition:.2s}.float-btn.download{width:auto;padding:0 16px;font-size:13px;font-weight:850;background:var(--coral);color:#30221f}.float-btn:hover{transform:translateY(-3px)}
@media(max-width:1024px){.trial-grid{grid-template-columns:repeat(2,1fr)}.scene-row{grid-template-columns:repeat(2,1fr)}.scene:nth-child(2):after{display:none}.channel-box{grid-template-columns:1fr}.channel-links{max-width:580px}.faq-wrap{gap:30px}.header-download{display:none}}@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.section{padding:60px 0}.site-header{position:sticky}.header-inner{height:67px}.nav{display:none}.menu-btn{display:block}.mobile-panel{position:absolute;left:16px;right:16px;top:70px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);z-index:10}.mobile-panel.show{display:grid}.mobile-panel a{padding:11px 13px;border-radius:10px;color:var(--green);font-weight:800}.mobile-panel a.active{background:var(--mint)}.intro-shell{padding:33px 27px}.intro-shell h1{font-size:37px}.filter-panel{grid-template-columns:1fr 1fr}.filter-label{grid-column:1/-1;padding:3px 8px}.tips-layout,.faq-wrap{grid-template-columns:1fr}.faq-copy{max-width:570px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.support-band{padding:33px;align-items:flex-start;flex-direction:column}.section-head{align-items:flex-start;flex-direction:column;gap:12px}.section-head p{max-width:100%}}@media(max-width:520px){body{font-size:15px}.container{width:calc(100% - 28px)}.brand{min-width:auto;font-size:15px}.brand small{font-size:9px}.intro-shell{padding:29px 21px;border-radius:23px}.intro-shell h1{font-size:33px}.trial-grid,.scene-row,.notice-grid{grid-template-columns:1fr}.filter-panel{grid-template-columns:1fr}.scene:after{display:none}.trial-cover{height:145px}.channel-box{padding:27px 21px}.channel-links{grid-template-columns:1fr}.channel-link{min-width:0}.support-band{padding:29px 22px}.support-band .btn{width:100%}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.float-tools{right:14px;bottom:14px}.float-btn.download{padding:0 12px}.site-footer{margin-top:60px}.tip-list{padding:6px 20px}}

/* roulang page: category3 */
:root{--ink:#202622;--green:#163b38;--green-2:#24524d;--mint:#dfe9db;--lime:#b7d66a;--coral:#ff765f;--coral-dark:#e85f4a;--cream:#f5f3ed;--paper:#fffefa;--line:#d9ded4;--muted:#64706a;--shadow:0 16px 42px rgba(22,59,56,.09);--shadow-sm:0 8px 20px rgba(22,59,56,.07);--radius:22px;--radius-lg:30px;--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(255,118,95,.42);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.section{padding:92px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
.section-head h2{margin:7px 0 0;color:var(--green);font-size:clamp(27px,3vw,36px);line-height:1.25;font-weight:850;letter-spacing:-.05em}
.section-head p{max-width:510px;margin:0;color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:14px 0 0 var(--lime)}
.btn{min-height:48px;padding:12px 19px;border:1px solid transparent;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;line-height:1.2;transition:.22s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 22px rgba(22,59,56,.16)}
.btn-primary{background:var(--coral);color:#251f1c}
.btn-primary:hover{background:var(--coral-dark)}
.btn-dark{background:var(--green);color:#fff}
.btn-dark:hover{background:#0d2e2b}
.btn-soft{border-color:var(--line);background:var(--paper);color:var(--green)}
.btn-soft:hover{background:var(--mint)}
.btn-text{padding:0;color:var(--green);font-weight:800}
.btn-text:hover{color:var(--coral-dark)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:99px;background:var(--mint);color:var(--green);font-weight:800;font-size:12px;line-height:1.25}
.badge.coral{background:#ffe0d9;color:#9a3728}
.badge.lime{background:#eaf3d0;color:#4e6728}
.card{background:var(--paper);border:1px solid rgba(22,59,56,.1);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(245,243,237,.88);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.2s}
.site-header.scrolled{background:rgba(255,254,250,.98);border-color:var(--line);box-shadow:0 7px 18px rgba(22,59,56,.06)}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:10px;min-width:195px;font-weight:900;color:var(--green);letter-spacing:-.04em}
.brand-icon{width:38px;height:38px;border-radius:12px;background:var(--green);display:grid;grid-template-columns:repeat(3,1fr);gap:3px;padding:8px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.16)}
.brand-icon i{background:var(--lime);border-radius:2px}
.brand-icon i:nth-child(2),.brand-icon i:nth-child(5){background:var(--coral)}
.brand small{display:block;font-size:10px;letter-spacing:.04em;color:var(--muted);font-weight:700}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:8px 11px;border-radius:10px;font-size:14px;font-weight:750;color:#43504a;transition:.2s}
.nav a:hover,.nav a.active{background:var(--mint);color:var(--green)}
.menu-btn{display:none;border:0;background:transparent;color:var(--green);font-size:26px;line-height:1}
.mobile-panel{display:none}
.page-hero{padding:56px 0 35px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:24px;color:var(--muted);font-size:13px}
.breadcrumb a{color:var(--green);font-weight:750}
.breadcrumb span{opacity:.65}
.guide-intro{background:var(--green);color:#fff;border-radius:var(--radius-lg);padding:clamp(31px,5vw,58px);position:relative;overflow:hidden}
.guide-intro:after{content:"";position:absolute;right:-75px;bottom:-95px;width:300px;height:300px;border:28px solid rgba(183,214,106,.14);border-radius:42px;transform:rotate(24deg)}
.guide-intro .eyebrow{color:var(--lime)}
.guide-intro h1{position:relative;z-index:1;max-width:780px;margin:12px 0 17px;font-size:clamp(36px,5vw,54px);line-height:1.15;letter-spacing:-.065em;font-weight:900}
.guide-intro p{position:relative;z-index:1;max-width:790px;margin:0;color:#dce5df;font-size:17px}
.intro-foot{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}
.intro-foot .badge{background:rgba(255,255,255,.12);color:#fff}
.intro-foot .badge:first-child{background:rgba(183,214,106,.24);color:#edf7cd}
.guide-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;padding:20px;margin-top:25px}
.guide-nav a{padding:16px 14px;border:1px solid var(--line);border-radius:15px;background:#fbfbf6;color:var(--green);font-size:14px;font-weight:850;transition:.2s}
.guide-nav a span{display:block;margin-bottom:3px;color:var(--coral);font-size:11px;letter-spacing:.08em}
.guide-nav a:hover{transform:translateY(-2px);background:var(--mint);border-color:#bdd0bb}
.path-layout{display:grid;grid-template-columns:.38fr 1fr;gap:25px;align-items:start}
.path-side{background:var(--green);border-radius:var(--radius);padding:29px;color:#fff;position:sticky;top:98px}
.path-side h3{font-size:23px;line-height:1.35;margin:0 0 12px;font-weight:850}
.path-side p{color:#d3dfd8;margin:0;font-size:14px}
.path-list{display:grid;gap:14px}
.path-item{padding:22px 24px;display:grid;grid-template-columns:58px 1fr;gap:18px;align-items:start}
.path-num{width:48px;height:48px;border-radius:15px;background:var(--mint);display:grid;place-items:center;color:var(--green);font-weight:900;font-size:18px}
.path-item:nth-child(2) .path-num{background:#ffe0d9;color:#9a3728}
.path-item:nth-child(3) .path-num{background:#eaf3d0;color:#4e6728}
.path-item:nth-child(4) .path-num{background:#dce9eb;color:#285a64}
.path-item h3{font-size:20px;line-height:1.35;color:var(--green);margin:2px 0 6px;font-weight:850}
.path-item p{margin:0;color:var(--muted);font-size:14px}
.tutorial-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.tutorial-card{padding:0;overflow:hidden;display:grid;grid-template-columns:170px 1fr;min-height:225px;transition:.22s ease}
.tutorial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.lesson-art{min-height:100%;background:linear-gradient(145deg,#c7dbbd,#edf1d7);position:relative;overflow:hidden}
.tutorial-card:nth-child(2) .lesson-art{background:linear-gradient(145deg,#f7c6a8,#f9e9cf)}
.tutorial-card:nth-child(3) .lesson-art{background:linear-gradient(145deg,#9fbdc1,#dce9eb)}
.tutorial-card:nth-child(4) .lesson-art{background:linear-gradient(145deg,#d7c9a9,#f1ead7)}
.tutorial-card:nth-child(5) .lesson-art{background:linear-gradient(145deg,#aac99e,#dfe9db)}
.lesson-art:before{content:"";position:absolute;inset:28px 22px auto;width:96px;height:128px;border:6px solid rgba(22,59,56,.72);border-radius:19px;background:rgba(255,254,250,.62);box-shadow:14px 14px 0 rgba(22,59,56,.12)}
.lesson-art:after{content:"";position:absolute;left:47px;top:58px;width:48px;height:8px;border-radius:9px;background:var(--coral);box-shadow:0 19px 0 rgba(22,59,56,.66),0 38px 0 rgba(22,59,56,.3)}
.lesson-content{padding:23px 24px;display:flex;flex-direction:column;align-items:flex-start}
.lesson-content h3{font-size:20px;line-height:1.38;color:var(--green);margin:12px 0 8px;font-weight:850}
.lesson-content p{font-size:14px;color:var(--muted);margin:0 0 16px}
.lesson-content .btn-text{margin-top:auto}
.setting-layout{display:grid;grid-template-columns:1fr .94fr;gap:24px}
.setting-panel{padding:27px;background:var(--green);color:#fff;border-radius:var(--radius)}
.setting-panel h3{font-weight:850;font-size:23px;margin:0 0 19px}
.setting-ui{border-radius:18px;background:#f9f9f1;color:var(--ink);padding:18px}
.setting-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--line);font-size:13px;font-weight:850}
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 0;border-bottom:1px solid #e6e9df;font-size:14px}
.toggle{width:42px;height:24px;border-radius:99px;background:var(--lime);padding:3px}
.toggle:after{content:"";display:block;width:18px;height:18px;border-radius:50%;background:var(--green);margin-left:auto}
.setting-notes{display:grid;gap:13px}
.note-item{padding:20px 21px}
.note-item h3{font-size:18px;line-height:1.4;color:var(--green);margin:0 0 5px;font-weight:850}
.note-item p{font-size:14px;color:var(--muted);margin:0}
.note-item strong{display:inline-grid;place-items:center;width:29px;height:29px;margin-right:9px;border-radius:9px;background:#ffe0d9;color:#9a3728;font-size:13px}
.fix-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fix-card{padding:27px}
.fix-card h3{margin:0 0 17px;color:var(--green);font-size:21px;font-weight:850}
.fix-line{padding:14px 0;border-top:1px solid var(--line)}
.fix-line:first-of-type{border-top:0}
.fix-line strong{display:block;color:var(--ink);font-size:15px;margin-bottom:3px}
.fix-line span{display:block;color:var(--muted);font-size:14px}
.fix-card.warning{background:#fff9ef;border-color:#f1ddbb}
.fix-card.warning h3{color:#85552d}
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:26px}
.faq-copy{padding:29px;background:var(--mint);border-radius:var(--radius)}
.faq-copy h2{color:var(--green);font-size:30px;line-height:1.25;margin:8px 0 13px;font-weight:850}
.faq-copy p{color:#4e5d56;font-size:14px;margin:0}
.faq-list{display:grid;gap:11px}
.faq-item{border:1px solid var(--line);background:var(--paper);border-radius:17px;overflow:hidden}
.faq-question{padding:18px 21px;width:100%;border:0;background:transparent;display:flex;justify-content:space-between;align-items:center;gap:16px;text-align:left;color:var(--green);font-weight:850}
.faq-question i{font-style:normal;font-size:22px;line-height:1;transition:.2s}
.faq-answer{display:none;padding:0 21px 19px;color:var(--muted);font-size:14px}
.faq-item.open{background:#edf5ea;border-color:#c8d9c3}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question i{transform:rotate(45deg)}
.channel-box{padding:30px;display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center}
.channel-box h2{margin:6px 0 8px;color:var(--green);font-size:30px;line-height:1.3;font-weight:850}
.channel-box p{margin:0;color:var(--muted);max-width:675px}
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:23px}
.channel-grid a{padding:17px 15px;border-radius:16px;border:1px solid var(--line);background:#fbfbf6;font-size:14px;color:var(--green);font-weight:850;transition:.2s}
.channel-grid a:hover{background:var(--mint);transform:translateY(-2px)}
.channel-grid span{display:block;color:var(--muted);font-size:12px;font-weight:600;margin-top:2px}
.site-footer{background:var(--green);color:#fff;padding:63px 0 23px;margin-top:30px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:52px}
.footer-brand{color:#fff}
.footer-brand small{color:#cbd9d1}
.footer-copy{color:#cbd9d1;max-width:350px;font-size:14px;margin:17px 0 0}
.footer-col h3{font-size:15px;color:var(--lime);margin:3px 0 13px;font-weight:850}
.footer-col a{display:block;color:#d8e2dc;font-size:14px;padding:4px 0;transition:.2s}
.footer-col a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{margin-top:44px;padding-top:19px;border-top:1px solid rgba(255,255,255,.16);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#bfd0c6;font-size:12px}
.float-download{position:fixed;right:23px;bottom:70px;z-index:30;box-shadow:0 12px 28px rgba(22,59,56,.25)}
.to-top{position:fixed;right:24px;bottom:19px;width:39px;height:39px;border:0;border-radius:13px;background:var(--paper);color:var(--green);box-shadow:var(--shadow-sm);z-index:30;font-weight:900}
@media(max-width:1024px){.guide-nav{grid-template-columns:repeat(3,1fr)}.path-layout,.setting-layout,.faq-wrap{grid-template-columns:1fr}.path-side{position:static}.footer-grid{gap:30px}.channel-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.header-inner{height:68px}.nav,.header-download{display:none}.menu-btn{display:block}.mobile-panel.open{display:grid;gap:6px;padding:10px 16px 18px;border-top:1px solid var(--line);background:var(--paper)}.mobile-panel a{padding:11px 12px;border-radius:10px;color:var(--green);font-weight:800}.mobile-panel a.active{background:var(--mint)}.page-hero{padding:34px 0 20px}.guide-intro{padding:32px 25px}.guide-intro p{font-size:15px}.guide-nav{grid-template-columns:repeat(2,1fr);padding:14px}.section{padding:62px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}.tutorial-grid,.fix-grid{grid-template-columns:1fr}.tutorial-card{grid-template-columns:145px 1fr}.channel-box{grid-template-columns:1fr}.channel-box .btn{width:max-content}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:520px){body{font-size:15px}.brand{min-width:0;font-size:14px}.brand small{font-size:9px}.guide-intro h1{font-size:35px}.guide-nav{grid-template-columns:1fr}.tutorial-card{grid-template-columns:1fr}.lesson-art{min-height:150px}.lesson-art:before{left:50%;transform:translateX(-50%)}.lesson-art:after{left:calc(50% - 25px)}.path-item{padding:19px;grid-template-columns:48px 1fr;gap:13px}.setting-panel,.fix-card,.faq-copy,.channel-box{padding:23px}.channel-grid{grid-template-columns:1fr}.channel-box .btn{width:100%}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}.float-download{right:16px;bottom:18px;left:16px}.to-top{display:none}}