/* roulang page: index */
:root{
  --green:#173D35;--green-2:#245247;--orange:#F07A48;--orange-dark:#d96335;
  --sage:#A8C7B5;--lime:#DDE7CA;--cream:#F7F4EC;--white:#fff;
  --soft:#EEF2EB;--ink:#17332d;--muted:#64736d;--line:#dbe3db;
  --danger:#9e4b3e;--shadow:0 16px 38px rgba(23,61,53,.10);
  --shadow-lg:0 24px 56px rgba(23,61,53,.16);
  --radius:16px;--radius-lg:24px;--container: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{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(240,122,72,.45);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:92px 0}
.section-soft{background:var(--soft)}
.section-white{background:var(--white)}
.section-dark{background:var(--green);color:#fff}
.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:9px;height:9px;border-radius:50%;background:var(--orange)}
.section-dark .eyebrow{color:var(--lime)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{margin:8px 0 0;font-size:32px;line-height:1.25;letter-spacing:-.04em}
.section-head p{max-width:530px;margin:0;color:var(--muted)}
.section-dark .section-head p{color:#c8d7d0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:12px;font-weight:800;transition:.2s ease}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(240,122,72,.25)}
.btn-primary:hover{background:var(--orange-dark)}
.btn-outline{border-color:var(--green);color:var(--green);background:transparent}
.btn-outline:hover{background:var(--soft)}
.btn-light{background:#fff;color:var(--green)}
.btn-light:hover{background:var(--lime)}
.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-weight:800;border-bottom:1px solid currentColor;line-height:1.5}
.text-link:hover{color:var(--orange)}
.tag{display:inline-flex;align-items:center;min-height:27px;padding:2px 10px;border-radius:7px;background:var(--lime);color:var(--green);font-size:12px;font-weight:800}
.tag.orange{background:#fde2d5;color:#a64424}
.tag.dark{background:rgba(255,255,255,.14);color:#fff}
.meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px}
.meta span{display:inline-flex;align-items:center;gap:5px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(247,244,236,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,61,53,.10)}
.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{position:relative;width:35px;height:35px;border-radius:11px;background:var(--green);overflow:hidden;flex:0 0 auto}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border-radius:4px;background:var(--orange)}
.brand-mark:before{width:9px;height:23px;left:8px;top:6px}
.brand-mark:after{width:9px;height:16px;right:8px;bottom:6px;background:var(--sage)}
.brand-text{font-size:17px;line-height:1.15;font-weight:900;letter-spacing:-.04em}
.brand-text small{display:block;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:10px 12px;border-radius:9px;color:#39564d;font-size:14px;font-weight:800;transition:.2s}
.nav-links a:hover,.nav-links a.active{background:var(--lime);color:var(--green)}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--green)}
.hero{position:relative;overflow:hidden;padding:68px 0 0;background:var(--cream)}
.hero:before{content:"";position:absolute;width:620px;height:620px;border:70px solid rgba(168,199,181,.23);border-radius:50%;right:-220px;top:-305px}
.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:46px;min-height:548px}
.hero-copy h1{max-width:720px;margin:14px 0 20px;font-size:50px;line-height:1.16;letter-spacing:-.06em}
.hero-copy p{max-width:620px;margin:0;color:#52665f;font-size:17px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-board{position:relative;height:455px;isolation:isolate}
.hero-ticket{position:absolute;right:10px;top:38px;width:min(100%,465px);height:365px;padding:26px;border-radius:28px;background:var(--green);color:#fff;box-shadow:var(--shadow-lg);transform:rotate(-3deg);overflow:hidden}
.hero-ticket:after{content:"";position:absolute;width:300px;height:300px;right:-125px;bottom:-158px;border:38px solid rgba(168,199,181,.24);border-radius:50%}
.ticket-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1;font-size:13px;color:#d0ded8}
.slot-row{position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:30px}
.slot{height:154px;display:flex;align-items:center;justify-content:center;border-radius:16px;background:#f5f0e6;color:var(--green);font-size:47px;box-shadow:inset 0 -7px 0 #dbe6d7}
.slot:nth-child(2){background:var(--orange);color:#fff;box-shadow:inset 0 -7px 0 #cc6138}
.ticket-bottom{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;margin-top:25px}
.play-dot{display:flex;align-items:center;gap:8px;font-weight:800}
.play-dot i{display:block;width:12px;height:12px;border-radius:50%;background:var(--orange)}
.hero-stamp{position:absolute;left:5px;bottom:30px;z-index:2;width:176px;padding:16px;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:var(--shadow);transform:rotate(5deg)}
.hero-stamp strong{display:block;font-size:25px;line-height:1.1}
.hero-stamp span{font-size:12px;color:var(--muted)}
.facts{position:relative;z-index:3;display:grid;grid-template-columns:repeat(3,1fr);margin-top:10px;border:1px solid var(--line);border-bottom:0;border-radius:18px 18px 0 0;overflow:hidden;background:rgba(255,255,255,.7)}
.fact{display:flex;align-items:center;gap:12px;padding:17px 22px;border-right:1px solid var(--line)}
.fact:last-child{border:0}
.fact-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:var(--lime);font-size:18px}
.fact b{display:block;font-size:14px}.fact small{display:block;color:var(--muted);font-size:12px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{position:relative;padding:28px 26px 25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.step-no{color:var(--orange);font-size:42px;line-height:1;font-weight:900;letter-spacing:-.08em}
.step h3{margin:16px 0 6px;font-size:20px}.step p{margin:0;color:var(--muted);font-size:14px}
.step:not(:last-child):after{content:"→";position:absolute;right:-21px;top:50%;z-index:2;width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--green);color:#fff;transform:translateY(-50%)}
.machine-grid{display:grid;grid-template-columns:1.5fr repeat(2,1fr);gap:18px}
.machine{min-height:208px;position:relative;overflow:hidden;padding:20px;border-radius:var(--radius);color:#fff;background:var(--green);box-shadow:var(--shadow);transition:.22s}
.machine:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.machine.featured{grid-row:span 2;min-height:434px;padding:30px;background:linear-gradient(135deg,#17483d,#285c48)}
.machine.fruit{background:#e87348}.machine.adventure{background:#527a5e}.machine.myth{background:#715c51}.machine.animal{background:#788d51}
.machine:before{content:"";position:absolute;width:145px;height:145px;border:18px solid rgba(255,255,255,.18);border-radius:50%;right:-35px;top:-35px}
.machine:after{content:"";position:absolute;width:75px;height:75px;border-radius:18px;background:rgba(255,255,255,.15);right:25px;bottom:22px;transform:rotate(25deg)}
.machine .tag{position:relative;z-index:1}.machine h3{position:relative;z-index:1;margin:18px 0 7px;font-size:23px;line-height:1.2}.machine p{position:relative;z-index:1;max-width:310px;margin:0;color:rgba(255,255,255,.82);font-size:13px;line-height:1.65}
.machine .btn{position:absolute;z-index:1;bottom:20px;left:20px;min-height:39px;padding:0 14px;font-size:13px}
.machine:not(.featured) h3{font-size:18px;margin-top:14px}.machine:not(.featured) p{font-size:12px}
.channel-grid{display:grid;grid-template-columns:1.15fr .9fr .9fr;gap:18px}
.channel{min-height:255px;position:relative;overflow:hidden;padding:27px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.22s}
.channel:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.channel:first-child{background:var(--green);color:#fff;border-color:var(--green)}
.channel h3{position:relative;z-index:1;margin:18px 0 9px;font-size:23px}.channel p{position:relative;z-index:1;margin:0;max-width:270px;font-size:14px;color:var(--muted)}.channel:first-child p{color:#d3e0da}
.channel .text-link{position:absolute;z-index:1;bottom:25px;left:27px}.channel:first-child .text-link{color:#fff}
.channel-shape{position:absolute;right:-15px;bottom:-17px;width:135px;height:135px;border-radius:32px;background:var(--lime);transform:rotate(22deg)}
.channel:first-child .channel-shape{border:18px solid rgba(240,122,72,.8);background:transparent;border-radius:50%}
.channel:nth-child(2) .channel-shape{background:var(--orange);border-radius:50%}.channel:nth-child(3) .channel-shape{background:var(--sage)}
.mini-channel{display:flex;gap:12px;margin-top:18px}.mini-channel span{padding:6px 10px;border-radius:8px;background:var(--soft);font-size:12px;font-weight:800}
.dashboard{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}
.dashboard h2{margin:10px 0 14px;font-size:37px;line-height:1.25}.dashboard p{color:#c7d7d0;max-width:570px}
.feature-list{display:grid;gap:12px;margin-top:25px}.feature-line{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.15)}.feature-line i{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:rgba(168,199,181,.19);font-style:normal}.feature-line b{font-size:15px}.feature-line span{color:var(--sage);font-size:13px}
.dashboard-ui{padding:22px;border:1px solid rgba(255,255,255,.18);border-radius:22px;background:rgba(255,255,255,.08)}
.ui-head{display:flex;justify-content:space-between;color:#d8e6df;font-size:13px}.ui-bars{display:grid;gap:13px;margin-top:24px}.ui-bar{height:52px;padding:8px;border-radius:11px;background:rgba(255,255,255,.1)}.ui-bar i{display:block;height:11px;border-radius:10px;background:var(--sage)}.ui-bar:nth-child(2) i{width:70%;background:var(--orange)}.ui-bar:nth-child(3) i{width:48%}.ui-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:15px}.ui-grid span{height:52px;border-radius:9px;background:rgba(255,255,255,.13)}.ui-grid span:nth-child(2){background:var(--orange)}
.guide-layout{display:grid;grid-template-columns:1fr .95fr;gap:22px}
.guide-feature{padding:30px;border-radius:var(--radius-lg);background:var(--green);color:#fff;min-height:330px;position:relative;overflow:hidden}.guide-feature:after{content:"01";position:absolute;right:18px;bottom:-32px;color:rgba(255,255,255,.08);font-size:150px;font-weight:900}.guide-feature h3{position:relative;z-index:1;margin:20px 0 9px;font-size:29px;line-height:1.25}.guide-feature p{position:relative;z-index:1;max-width:440px;color:#cde0d7}.guide-feature .meta{position:relative;z-index:1;color:var(--sage);margin-top:22px}.guide-feature .btn{position:relative;z-index:1;margin-top:20px}
.guide-list{display:grid;gap:10px}.guide-item{display:grid;grid-template-columns:80px 1fr auto;align-items:center;gap:16px;padding:14px;border-bottom:1px solid var(--line);background:#fff}.guide-thumb{height:61px;border-radius:11px;background:var(--lime);position:relative;overflow:hidden}.guide-thumb:after{content:"";position:absolute;width:48px;height:48px;border:8px solid var(--orange);border-radius:50%;right:-15px;bottom:-17px}.guide-item h3{margin:3px 0;font-size:16px;line-height:1.4}.guide-item p{margin:0;color:var(--muted);font-size:12px}.guide-item .arrow{font-size:22px;color:var(--orange)}
.scroll-row{display:flex;gap:17px;overflow:auto;padding:3px 2px 14px;scroll-snap-type:x mandatory}.theme-card{min-width:250px;min-height:225px;position:relative;overflow:hidden;padding:21px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);scroll-snap-align:start;transition:.2s}.theme-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.theme-art{height:110px;margin:-21px -21px 18px;border-radius:16px 16px 0 0;background:linear-gradient(135deg,#f4ae72,#e37048);position:relative;overflow:hidden}.theme-art:before,.theme-art:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.42)}.theme-art:before{width:100px;height:100px;right:18px;top:15px}.theme-art:after{width:44px;height:44px;left:30px;bottom:12px}.theme-card:nth-child(2) .theme-art{background:linear-gradient(135deg,#274f44,#a8c7b5)}.theme-card:nth-child(3) .theme-art{background:linear-gradient(135deg,#776350,#d3b17c)}.theme-card:nth-child(4) .theme-art{background:linear-gradient(135deg,#748c4c,#dce69c)}.theme-card:nth-child(5) .theme-art{background:linear-gradient(135deg,#a64d45,#efb260)}.theme-card:nth-child(6) .theme-art{background:linear-gradient(135deg,#4c6b79,#a4c7c4)}.theme-card h3{margin:0 0 5px;font-size:18px}.theme-card p{margin:0;color:var(--muted);font-size:13px}
.app-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:70px;align-items:center}.devices{position:relative;height:370px}.phone{position:absolute;left:15%;top:0;width:190px;height:350px;padding:12px;border:8px solid var(--green);border-radius:29px;background:#f7f4ec;box-shadow:var(--shadow-lg)}.phone:before{content:"";display:block;width:62px;height:9px;margin:0 auto 10px;border-radius:10px;background:var(--green)}.screen{height:295px;padding:16px;border-radius:16px;background:linear-gradient(160deg,#dce8cf,#a8c7b5)}.screen b{display:block;font-size:14px}.screen-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:17px}.screen-grid i{height:57px;border-radius:8px;background:var(--green)}.screen-grid i:nth-child(2),.screen-grid i:nth-child(5){background:var(--orange)}.tablet{position:absolute;right:4%;bottom:8px;width:265px;height:180px;padding:10px;border:7px solid #486b5e;border-radius:18px;background:#f7f4ec;transform:rotate(-6deg);box-shadow:var(--shadow)}.tablet .screen{height:150px}.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:24px 0}.download-state{padding:13px;border:1px solid var(--line);border-radius:12px}.download-state b{display:block;font-size:14px}.download-state span{color:var(--muted);font-size:12px}.download-state.ready{background:var(--lime);border-color:var(--sage)}.app-info{display:grid;grid-template-columns:1fr auto;gap:16px;padding:17px;border:1px dashed var(--sage);border-radius:14px;background:#fbfcf8}.app-info p{margin:0;font-size:13px;color:var(--muted)}.qr{width:72px;height:72px;background:repeating-linear-gradient(45deg,var(--green) 0 4px,#fff 4px 8px);border:5px solid #fff;box-shadow:0 0 0 1px var(--line)}
.timeline{position:relative;max-width:930px;margin:auto}.timeline:before{content:"";position:absolute;left:28px;top:25px;bottom:25px;width:2px;background:var(--sage)}.time-item{position:relative;display:grid;grid-template-columns:58px 1fr;gap:22px;padding-bottom:26px}.time-dot{position:relative;z-index:1;width:58px;height:58px;display:grid;place-items:center;border:2px solid var(--sage);border-radius:50%;background:#fff;color:var(--green);font-weight:900}.time-content{padding:16px 20px;border:1px solid var(--line);border-radius:13px;background:#fff}.time-content h3{margin:0 0 4px;font-size:18px}.time-content p{margin:0;color:var(--muted);font-size:14px}.tip{margin-top:8px;color:#567267;font-size:12px}
.rules-layout{display:grid;grid-template-columns:285px 1fr;gap:22px}.rule-nav{padding:12px;border-radius:16px;background:var(--green)}.rule-tab{display:flex;width:100%;align-items:center;gap:11px;margin:4px 0;padding:13px;border:0;border-radius:10px;background:transparent;color:#d7e6de;text-align:left;font-weight:800}.rule-tab:hover,.rule-tab.active{background:rgba(255,255,255,.15);color:#fff}.rule-tab i{font-style:normal;color:var(--orange)}.rule-panel{padding:30px;border-radius:16px;background:#fff;border:1px solid var(--line)}.rule-panel h3{margin:0;font-size:25px}.rule-panel>p{color:var(--muted)}.rule-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}.rule-point{padding:16px;border-radius:12px;background:var(--soft)}.rule-point b{display:block;font-size:14px}.rule-point span{color:var(--muted);font-size:13px}
.update-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.update-col{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.update-col h3{margin:0 0 12px;font-size:22px}.update-item{padding:16px 0;border-top:1px solid var(--line)}.update-item:first-of-type{border-top:0}.update-item h4{margin:7px 0 4px;font-size:16px}.update-item p{margin:0;color:var(--muted);font-size:13px}.date{color:var(--orange);font-size:12px;font-weight:800}
.news-list{display:grid;gap:16px}.news-card{display:grid;grid-template-columns:190px 1fr auto;gap:22px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.2s}.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.news-cover{height:118px;border-radius:11px;background:linear-gradient(135deg,var(--sage),var(--lime));position:relative;overflow:hidden}.news-cover:before{content:"";position:absolute;width:85px;height:85px;left:22px;top:17px;border:14px solid rgba(23,61,53,.55);border-radius:18px;transform:rotate(22deg)}.news-card:first-child .news-cover{background:linear-gradient(135deg,#f19868,#f7d7bd)}.news-card h3{margin:7px 0 5px;font-size:19px;line-height:1.4}.news-card p{margin:0;color:var(--muted);font-size:13px}.empty-news{text-align:center;padding:42px;border:1px dashed var(--sage);border-radius:16px;background:#fff}.empty-icon{font-size:32px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item{border:1px solid var(--line);border-radius:13px;background:#fff;overflow:hidden}.faq-q{display:flex;width:100%;align-items:center;justify-content:space-between;gap:15px;padding:17px 18px;border:0;background:#fff;text-align:left;color:var(--green);font-weight:800}.faq-q i{font-style:normal;font-size:21px;transition:.2s}.faq-a{display:none;padding:0 18px 17px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q i{transform:rotate(45deg);color:var(--orange)}
.responsible{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:45px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line)}.responsible h2{margin:8px 0 12px;font-size:32px;line-height:1.25}.responsible p{margin:0;color:var(--muted)}.care-list{display:grid;gap:10px;margin-top:20px}.care-list span{display:flex;gap:10px;align-items:center;font-size:14px}.care-list i{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:var(--lime);font-style:normal;color:var(--green)}.action-box{padding:27px;border-radius:16px;background:var(--soft)}.action-box strong{display:block;font-size:20px;line-height:1.4}.action-box p{font-size:14px;margin:8px 0 20px}.action-box .btn{margin-right:8px;margin-bottom:8px}
.site-footer{padding:65px 0 85px;background:var(--green);color:#fff}.footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:36px}.footer-brand p{max-width:330px;color:#c9dad2;font-size:14px}.footer-title{margin:0 0 13px;font-size:14px;color:var(--sage)}.footer-links{display:grid;gap:8px}.footer-links a{color:#e5eee9;font-size:13px}.footer-links a:hover{color:var(--orange)}.footer-download{padding:13px;border:1px solid rgba(255,255,255,.18);border-radius:12px;color:#dce9e3;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:18px;margin-top:45px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);color:#b8ccc3;font-size:12px}.mobile-bar{display:none}
@media(max-width:1024px){
  .nav-links{gap:0}.nav-links a{padding:9px 8px}.hero-grid{gap:24px}.hero-copy h1{font-size:43px}.app-layout{gap:30px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:span 2}
}
@media(max-width:768px){
  body{font-size:15px;padding-bottom:70px}.container{width:min(calc(100% - 32px),var(--container))}.section{padding:58px 0}.section-head{display:block;margin-bottom:26px}.section-head h2{font-size:28px}.section-head p{margin-top:10px}.nav-wrap{height:64px}.nav-actions .btn{display:none}.menu-toggle{display:grid;place-items:center}.nav-links{display:none;position:absolute;top:64px;left:0;right:0;padding:14px 16px 20px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav-links.show{display:grid}.nav-links a{padding:12px}.brand-text{font-size:15px}.brand-text small{font-size:9px}.hero{padding-top:42px}.hero-grid{display:flex;flex-direction:column;align-items:stretch;min-height:0}.hero-copy h1{font-size:34px}.hero-board{height:330px}.hero-ticket{right:0;width:90%;height:280px;padding:18px}.slot-row{margin-top:20px}.slot{height:113px;font-size:34px}.hero-stamp{bottom:11px;left:0}.facts{grid-template-columns:1fr;margin-top:30px;border-bottom:1px solid var(--line);border-radius:15px}.fact{border-right:0;border-bottom:1px solid var(--line)}.fact:last-child{border-bottom:0}.steps,.machine-grid,.channel-grid,.dashboard,.guide-layout,.app-layout,.rules-layout,.update-grid,.responsible{grid-template-columns:1fr}.step:not(:last-child):after{right:auto;left:30px;top:auto;bottom:-21px;transform:none}.steps{gap:32px}.machine.featured{grid-row:auto;min-height:300px}.machine{min-height:190px}.dashboard{gap:28px}.dashboard h2{font-size:30px}.guide-list{gap:0}.guide-item{grid-template-columns:66px 1fr auto}.devices{height:315px}.phone{left:7%;width:170px;height:310px}.screen{height:255px}.tablet{width:230px;height:157px}.tablet .screen{height:127px}.rules-layout{gap:15px}.rule-nav{display:flex;overflow:auto;padding:8px}.rule-tab{min-width:max-content}.rule-panel{padding:22px}.rule-points{grid-template-columns:1fr}.news-card{grid-template-columns:110px 1fr}.news-cover{height:105px}.news-card .text-link{grid-column:2}.faq-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:auto}.footer-brand{grid-column:span 2}.footer-bottom{display:block}.footer-bottom p{margin:6px 0}.mobile-bar{position:fixed;z-index:40;bottom:0;left:0;right:0;display:grid;grid-template-columns:1fr 1fr;gap:1px;padding:8px;background:rgba(23,61,53,.95)}.mobile-bar a{display:grid;place-items:center;min-height:44px;color:#fff;font-size:14px;font-weight:800}.mobile-bar a:last-child{background:var(--orange);border-radius:9px}
}
@media(max-width:520px){
  .hero-copy h1{font-size:31px}.hero-copy p{font-size:15px}.hero-actions .btn{width:100%}.hero-board{height:280px}.hero-ticket{height:245px}.slot{height:96px}.hero-stamp{width:150px;padding:12px}.hero-stamp strong{font-size:20px}.channel-grid{grid-template-columns:1fr}.channel{min-height:210px}.download-grid{grid-template-columns:1fr}.app-info{grid-template-columns:1fr}.qr{display:none}.news-card{grid-template-columns:1fr}.news-cover{height:145px}.news-card .text-link{grid-column:auto}.responsible{padding:28px 22px}.responsible h2{font-size:27px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
}

/* roulang page: category1 */
:root{
      --green:#173D35;--green-2:#245247;--orange:#F07A48;--orange-dark:#d96335;
      --sage:#A8C7B5;--lime:#DDE7CA;--cream:#F7F4EC;--white:#fff;
      --soft:#EEF2EB;--ink:#17332d;--muted:#64736d;--line:#dbe3db;
      --danger:#9e4b3e;--shadow:0 16px 38px rgba(23,61,53,.10);
      --shadow-lg:0 24px 56px rgba(23,61,53,.16);
      --radius:16px;--radius-lg:24px;--container: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{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(240,122,72,.58);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .section{padding:92px 0}
    .section-soft{background:var(--soft)}
    .section-white{background:var(--white)}
    .section-dark{background:var(--green);color:#fff}
    .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:9px;height:9px;border-radius:50%;background:var(--orange)}
    .section-dark .eyebrow{color:var(--lime)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:36px}
    .section-head h2{margin:8px 0 0;font-size:32px;line-height:1.25;letter-spacing:-.04em}
    .section-head p{max-width:530px;margin:0;color:var(--muted)}
    .section-dark .section-head p{color:#c8d7d0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:12px;font-weight:800;transition:.2s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(240,122,72,.25)}
    .btn-primary:hover{background:var(--orange-dark);color:#fff}
    .btn-outline{border-color:var(--green);color:var(--green);background:transparent}
    .btn-outline:hover{background:var(--soft);color:var(--green)}
    .btn-light{background:#fff;color:var(--green)}
    .btn-light:hover{background:var(--lime);color:var(--green)}
    .text-link{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-weight:800;border-bottom:1px solid currentColor;line-height:1.5;transition:.2s}
    .text-link:hover{color:var(--orange)}
    .tag{display:inline-flex;align-items:center;min-height:27px;padding:2px 10px;border-radius:7px;background:var(--lime);color:var(--green);font-size:12px;font-weight:800}
    .tag.orange{background:#fde2d5;color:#a64424}
    .tag.dark{background:rgba(255,255,255,.14);color:#fff}
    .meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px}
    .meta span{display:inline-flex;align-items:center;gap:5px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,244,236,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,61,53,.10)}
    .nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;min-width:0}
    .brand-mark{position:relative;width:35px;height:35px;border-radius:11px;background:var(--green);overflow:hidden;flex:0 0 auto}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border-radius:4px;background:var(--orange)}
    .brand-mark:before{width:9px;height:23px;left:8px;top:6px}
    .brand-mark:after{width:9px;height:16px;right:8px;bottom:6px;background:var(--sage)}
    .brand-text{font-size:17px;line-height:1.15;font-weight:900;letter-spacing:-.04em}
    .brand-text small{display:block;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:0}
    .nav-links{display:flex;align-items:center;gap:4px}
    .nav-links a{padding:10px 12px;border-radius:9px;color:#39564d;font-size:14px;font-weight:800;transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:var(--lime);color:var(--green)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--green)}
    .page-hero{position:relative;overflow:hidden;padding:54px 0 58px;background:var(--cream);border-bottom:1px solid var(--line)}
    .page-hero:before{content:"";position:absolute;width:340px;height:340px;border:54px solid rgba(168,199,181,.26);border-radius:50%;right:-88px;top:-194px}
    .page-hero:after{content:"";position:absolute;width:122px;height:122px;border-radius:28px;background:rgba(240,122,72,.13);transform:rotate(23deg);right:19%;bottom:-72px}
    .breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin:0 0 20px;font-size:13px;color:var(--muted)}
    .breadcrumb a{color:var(--green);font-weight:800}
    .breadcrumb i{font-style:normal;color:#97a49e}
    .page-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 260px;gap:50px;align-items:center}
    .page-hero h1{margin:10px 0 13px;font-size:46px;line-height:1.16;letter-spacing:-.06em}
    .page-hero p{max-width:700px;margin:0;color:#52665f;font-size:17px}
    .hero-orb{position:relative;width:224px;height:194px;margin-left:auto;border-radius:28px;background:var(--green);box-shadow:var(--shadow-lg);overflow:hidden}
    .hero-orb:before{content:"";position:absolute;width:148px;height:148px;left:38px;top:24px;border:18px solid var(--sage);border-radius:50%}
    .hero-orb:after{content:"";position:absolute;width:55px;height:55px;right:27px;bottom:22px;border-radius:14px;background:var(--orange);box-shadow:-68px -28px 0 -10px var(--lime)}
    .hero-orb span{position:absolute;z-index:2;left:22px;bottom:19px;color:#fff;font-size:12px;font-weight:900;letter-spacing:.12em}
    .quick-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .quick-nav a{display:flex;align-items:center;gap:12px;min-height:78px;padding:14px;border:1px solid var(--line);border-radius:14px;background:#fff;font-weight:800;transition:.2s}
    .quick-nav a:hover{border-color:var(--sage);box-shadow:var(--shadow);transform:translateY(-3px);color:var(--green)}
    .quick-num{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--lime);color:var(--green);font-size:12px}
    .guide-layout{display:grid;grid-template-columns:1.07fr .93fr;gap:22px}
    .feature-guide{position:relative;min-height:395px;padding:34px;border-radius:var(--radius-lg);background:var(--green);color:#fff;overflow:hidden;box-shadow:var(--shadow)}
    .feature-guide:before{content:"";position:absolute;width:300px;height:300px;border:42px solid rgba(168,199,181,.17);border-radius:50%;right:-100px;top:-95px}
    .feature-guide:after{content:"";position:absolute;width:150px;height:112px;right:34px;bottom:31px;border:1px solid rgba(255,255,255,.28);border-radius:18px;background:linear-gradient(135deg,rgba(255,255,255,.13),rgba(255,255,255,.03))}
    .guide-content{position:relative;z-index:1;max-width:460px}
    .feature-guide h3{margin:18px 0 13px;font-size:29px;line-height:1.28;letter-spacing:-.04em}
    .feature-guide p{margin:0;color:#c9d8d2}
    .feature-guide .meta{margin-top:24px;color:#c4d2cc}
    .feature-guide .btn{margin-top:26px}
    .guide-list{display:grid;gap:12px}
    .guide-item{display:grid;grid-template-columns:66px 1fr;gap:15px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.2s}
    .guide-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--sage)}
    .guide-icon{display:grid;place-items:center;width:66px;height:66px;border-radius:15px;background:var(--soft);color:var(--green);font-size:23px;font-weight:900}
    .guide-item:nth-child(2) .guide-icon{background:#fde2d5;color:#b84d2a}
    .guide-item:nth-child(3) .guide-icon{background:var(--lime)}
    .guide-item:nth-child(4) .guide-icon{background:#e3eee7}
    .guide-item h3{margin:3px 0 4px;font-size:17px;line-height:1.4}
    .guide-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
    .path-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .path-grid:before{content:"";position:absolute;height:1px;left:12%;right:12%;top:39px;background:var(--sage)}
    .path-card{position:relative;padding:0 8px}
    .path-step{position:relative;z-index:1;display:grid;place-items:center;width:78px;height:78px;margin-bottom:18px;border-radius:22px;background:var(--green);color:#fff;font-size:25px;font-weight:900;box-shadow:0 9px 20px rgba(23,61,53,.18)}
    .path-card:nth-child(2) .path-step{background:var(--orange)}
    .path-card:nth-child(3) .path-step{background:#527b68}
    .path-card:nth-child(4) .path-step{background:#385f52}
    .path-card h3{font-size:19px;margin:0 0 7px}
    .path-card p{margin:0;color:var(--muted);font-size:14px}
    .machine-compare{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .compare-card{position:relative;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:.2s}
    .compare-card:hover{transform:translateY(-4px);border-color:var(--sage);box-shadow:var(--shadow)}
    .compare-color{height:76px;margin:-22px -22px 19px;border-radius:16px 16px 0 0;background:linear-gradient(135deg,#e97e54,#f3c56b)}
    .compare-card:nth-child(2) .compare-color{background:linear-gradient(135deg,#436d5d,#a8c7b5)}
    .compare-card:nth-child(3) .compare-color{background:linear-gradient(135deg,#5f536f,#cbb7d8)}
    .compare-card:nth-child(4) .compare-color{background:linear-gradient(135deg,#b56744,#ead19b)}
    .compare-card h3{font-size:19px;margin:0 0 12px}
    .compare-list{display:grid;gap:9px;margin:0;padding:0;list-style:none;color:#53665f;font-size:13px}
    .compare-list li{display:flex;justify-content:space-between;gap:8px;padding-bottom:8px;border-bottom:1px dashed var(--line)}
    .compare-list li:last-child{border-bottom:0;padding-bottom:0}
    .compare-list b{color:var(--green)}
    .rule-wrap{display:grid;grid-template-columns:.78fr 1.22fr;gap:38px;align-items:start}
    .rule-copy h2{margin:10px 0 14px;font-size:34px;line-height:1.25;letter-spacing:-.04em}
    .rule-copy p{margin:0;color:#c7d6cf}
    .rule-note{display:flex;gap:11px;margin-top:24px;padding:15px;border:1px solid rgba(255,255,255,.16);border-radius:14px;background:rgba(255,255,255,.08);color:#d8e3de;font-size:14px}
    .rule-note strong{color:var(--lime)}
    .faq-list{display:grid;gap:10px}
    details{border:1px solid rgba(255,255,255,.18);border-radius:13px;background:rgba(255,255,255,.06);overflow:hidden;transition:.2s}
    details[open]{background:rgba(255,255,255,.11)}
    summary{position:relative;padding:17px 50px 17px 18px;color:#fff;font-size:16px;font-weight:800;cursor:pointer;list-style:none}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:18px;top:13px;color:var(--lime);font-size:25px;font-weight:400;line-height:1}
    details[open] summary:after{content:"−"}
    details p{margin:0;padding:0 18px 18px;color:#cfddd7;font-size:14px}
    .closing{padding:46px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow);text-align:center}
    .closing h2{margin:0;font-size:31px;line-height:1.3;letter-spacing:-.04em}
    .closing p{max-width:650px;margin:13px auto 24px;color:var(--muted)}
    .closing-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
    .responsible-line{display:flex;justify-content:center;align-items:center;gap:9px;margin:25px 0 0;color:#64736d;font-size:13px}
    .responsible-line i{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--lime);color:var(--green);font-style:normal;font-weight:900}
    .site-footer{padding:66px 0 22px;background:var(--green);color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:46px}
    .footer-brand .brand{color:#fff}
    .footer-brand .brand-text small{color:#b8ccc3!important}
    .footer-brand p{max-width:360px;margin:18px 0 0;color:#c1d1ca;font-size:14px}
    .footer-title{margin:0 0 16px;font-size:15px;color:var(--lime)}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#c7d6d0;font-size:14px;transition:.2s}
    .footer-links a:hover{color:var(--orange);transform:translateX(3px)}
    .footer-download{padding:15px;border:1px solid rgba(255,255,255,.13);border-radius:14px;background:rgba(255,255,255,.06);color:#c9d8d2;font-size:13px;line-height:1.7}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;margin-top:50px;padding-top:20px;border-top:1px solid rgba(255,255,255,.13);color:#aebfb8;font-size:12px}
    .footer-bottom p{margin:0}
    .mobile-bar{display:none}
    @media (max-width:1024px){
      .page-hero-grid{grid-template-columns:1fr 190px}
      .quick-nav{grid-template-columns:repeat(3,1fr)}
      .machine-compare{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1.25fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:1/-1}
    }
    @media (max-width:768px){
      body{font-size:15px;padding-bottom:72px}
      .container{width:min(calc(100% - 32px),var(--container))}
      .section{padding:60px 0}
      .site-header{position:sticky}
      .nav-wrap{height:64px}
      .brand-text{font-size:16px}
      .brand-text small{font-size:9px}
      .menu-toggle{display:grid;place-items:center}
      .nav-actions .btn{display:none}
      .nav-links{position:absolute;top:64px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:4px;padding:14px 16px 18px;background:rgba(247,244,236,.98);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .page-hero{padding:35px 0 39px}
      .page-hero-grid{grid-template-columns:1fr;gap:22px}
      .page-hero h1{font-size:34px}
      .page-hero p{font-size:15px}
      .hero-orb{width:100%;height:94px;border-radius:18px}
      .hero-orb:before{width:84px;height:84px;left:auto;right:66px;top:8px;border-width:11px}
      .hero-orb:after{width:38px;height:38px;right:18px;bottom:16px;border-radius:10px;box-shadow:-42px -14px 0 -8px var(--lime)}
      .hero-orb span{left:18px;bottom:34px}
      .section-head{display:block;margin-bottom:27px}
      .section-head h2,.rule-copy h2{font-size:28px}
      .section-head p{margin-top:12px}
      .quick-nav{grid-template-columns:repeat(2,1fr)}
      .guide-layout,.rule-wrap{grid-template-columns:1fr}
      .feature-guide{min-height:350px;padding:27px}
      .feature-guide h3{font-size:25px}
      .path-grid{grid-template-columns:repeat(2,1fr);gap:28px 15px}
      .path-grid:before{display:none}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block;margin-top:36px}
      .footer-bottom p+p{margin-top:8px}
      .mobile-bar{position:fixed;z-index:28;left:0;right:0;bottom:0;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(23,61,53,.22);box-shadow:0 -8px 25px rgba(23,61,53,.12)}
      .mobile-bar a{display:flex;align-items:center;justify-content:center;min-height:62px;background:var(--green);color:#fff;font-size:14px;font-weight:900}
      .mobile-bar a:last-child{background:var(--orange)}
    }
    @media (max-width:520px){
      .quick-nav{grid-template-columns:1fr}
      .guide-item{grid-template-columns:55px 1fr;padding:14px}
      .guide-icon{width:55px;height:55px;font-size:20px}
      .machine-compare{grid-template-columns:1fr}
      .path-grid{grid-template-columns:1fr}
      .path-card{display:grid;grid-template-columns:66px 1fr;column-gap:15px;padding:0}
      .path-step{width:60px;height:60px;margin:0;grid-row:span 2;border-radius:17px;font-size:20px}
      .path-card h3{margin:3px 0 3px}
      .path-card p{font-size:13px}
      .closing{padding:31px 20px}
      .closing h2{font-size:26px}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }

/* roulang page: article */
:root{
  --green:#173D35;--green-2:#245247;--orange:#F07A48;--orange-dark:#d96335;
  --sage:#A8C7B5;--lime:#DDE7CA;--cream:#F7F4EC;--white:#fff;
  --soft:#EEF2EB;--ink:#17332d;--muted:#64736d;--line:#dbe3db;
  --danger:#9e4b3e;--shadow:0 16px 38px rgba(23,61,53,.10);
  --shadow-lg:0 24px 56px rgba(23,61,53,.16);
  --radius:16px;--radius-lg:24px;--container: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{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(240,122,72,.55);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:88px 0}
.section-soft{background:var(--soft)}
.section-white{background:var(--white)}
.section-dark{background:var(--green);color:#fff}
.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:9px;height:9px;border-radius:50%;background:var(--orange)}
.section-dark .eyebrow{color:var(--lime)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{margin:8px 0 0;font-size:32px;line-height:1.25;letter-spacing:-.04em}
.section-head p{max-width:530px;margin:0;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:12px;font-weight:800;transition:.2s ease}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(240,122,72,.25)}
.btn-primary:hover{background:var(--orange-dark)}
.btn-outline{border-color:var(--green);color:var(--green);background:transparent}
.btn-outline:hover{background:var(--soft)}
.btn-light{background:#fff;color:var(--green)}
.btn-light:hover{background:var(--lime)}
.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-weight:800;border-bottom:1px solid currentColor;line-height:1.5;transition:.2s}
.text-link:hover{color:var(--orange)}
.tag{display:inline-flex;align-items:center;min-height:27px;padding:2px 10px;border-radius:7px;background:var(--lime);color:var(--green);font-size:12px;font-weight:800}
.tag.orange{background:#fde2d5;color:#a64424}
.tag.dark{background:rgba(255,255,255,.14);color:#fff}
.meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px}
.meta span{display:inline-flex;align-items:center;gap:5px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(247,244,236,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,61,53,.10)}
.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{position:relative;width:35px;height:35px;border-radius:11px;background:var(--green);overflow:hidden;flex:0 0 auto}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border-radius:4px;background:var(--orange)}
.brand-mark:before{width:9px;height:23px;left:8px;top:6px}
.brand-mark:after{width:9px;height:16px;right:8px;bottom:6px;background:var(--sage)}
.brand-text{font-size:17px;line-height:1.15;font-weight:900;letter-spacing:-.04em}
.brand-text small{display:block;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:10px 12px;border-radius:9px;color:#39564d;font-size:14px;font-weight:800;transition:.2s}
.nav-links a:hover,.nav-links a.active{background:var(--lime);color:var(--green)}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--green)}
.article-hero{position:relative;overflow:hidden;padding:38px 0 62px;background:var(--cream)}
.article-hero:before{content:"";position:absolute;width:520px;height:520px;border:62px solid rgba(168,199,181,.22);right:-220px;top:-300px;border-radius:50%}
.breadcrumb{position:relative;display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 28px;color:var(--muted);font-size:13px}
.breadcrumb a{color:var(--green);font-weight:700}
.breadcrumb i{font-style:normal;color:#91a39b}
.article-heading{position:relative;max-width:920px}
.article-heading h1{margin:14px 0 18px;font-size:48px;line-height:1.16;letter-spacing:-.055em}
.article-summary{max-width:800px;margin:0;color:#51665e;font-size:17px}
.article-meta{margin-top:24px}
.cover-frame{position:relative;margin-top:42px;height:320px;border-radius:var(--radius-lg);overflow:hidden;background:var(--green);box-shadow:var(--shadow-lg)}
.cover-frame:before{content:"";position:absolute;width:390px;height:390px;left:7%;top:-175px;border:48px solid rgba(168,199,181,.22);border-radius:50%}
.cover-frame:after{content:"";position:absolute;width:320px;height:320px;right:7%;bottom:-175px;border:42px solid rgba(240,122,72,.80);border-radius:50%}
.cover-grid{position:absolute;inset:0;display:grid;grid-template-columns:repeat(7,1fr);gap:12px;align-items:center;padding:42px 9%;opacity:.8}
.cover-grid span{height:118px;border-radius:15px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16)}
.cover-grid span:nth-child(2),.cover-grid span:nth-child(5){background:rgba(240,122,72,.82)}
.cover-grid span:nth-child(3),.cover-grid span:nth-child(6){height:78px;background:rgba(168,199,181,.78)}
.cover-label{position:absolute;left:8%;bottom:34px;z-index:1;color:#fff;font-size:18px;font-weight:900}
.article-layout{display:grid;grid-template-columns:minmax(0,780px) 270px;justify-content:space-between;gap:48px}
.article-body{min-width:0}
.article-content{font-size:17px;color:#29463e}
.article-content>*:first-child{margin-top:0}
.article-content h2{margin:52px 0 18px;color:var(--green);font-size:30px;line-height:1.3;letter-spacing:-.035em}
.article-content h3{margin:34px 0 14px;color:var(--green);font-size:21px;line-height:1.45}
.article-content p{margin:0 0 20px}
.article-content ul,.article-content ol{padding-left:1.4em;margin:0 0 24px}
.article-content li{margin-bottom:9px}
.article-content blockquote{margin:30px 0;padding:18px 22px;border-left:4px solid var(--orange);border-radius:0 12px 12px 0;background:#fff5ef;color:#685044}
.article-content img{margin:30px 0;border-radius:16px;background:var(--soft)}
.article-content table{display:block;width:100%;overflow-x:auto;margin:28px 0;border-collapse:collapse;border:1px solid var(--line);border-radius:12px;background:#fff}
.article-content th,.article-content td{min-width:130px;padding:12px 15px;border:1px solid var(--line);text-align:left}
.article-content th{background:var(--soft);color:var(--green)}
.article-aside{position:relative}
.sticky-stack{position:sticky;top:96px;display:grid;gap:16px}
.aside-card{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 24px rgba(23,61,53,.05)}
.aside-card h3{margin:0 0 12px;font-size:16px;color:var(--green)}
.toc-list{display:grid;gap:4px}
.toc-list a{padding:7px 9px;border-radius:8px;color:#536b62;font-size:13px;transition:.2s}
.toc-list a:hover{background:var(--lime);color:var(--green)}
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.notice-card{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 24px rgba(23,61,53,.05)}
.notice-icon{display:grid;place-items:center;width:42px;height:42px;margin-bottom:14px;border-radius:12px;background:var(--lime);color:var(--green);font-size:20px}
.notice-card h3{margin:0 0 6px;font-size:17px}
.notice-card p{margin:0;color:var(--muted);font-size:14px}
.steps-panel{padding:32px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line)}
.step-row{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
.step-row:last-child{border-bottom:0;padding-bottom:0}
.step-no{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:var(--green);color:#fff;font-weight:900}
.step-row h3{margin:0 0 4px;font-size:18px}
.step-row p{margin:0;color:var(--muted);font-size:14px}
.app-banner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:28px 32px;border-radius:var(--radius-lg);background:var(--green);color:#fff;overflow:hidden}
.app-banner h2{margin:8px 0;font-size:27px;line-height:1.3}
.app-banner p{margin:0;color:#cbdad4}
.app-mini{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.qr-box{display:grid;place-items:center;width:74px;height:74px;border-radius:12px;background:#fff;color:var(--green);font-size:11px;font-weight:800;text-align:center;line-height:1.4}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{display:flex;flex-direction:column;min-height:220px;padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 22px rgba(23,61,53,.05);transition:.22s}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.related-card h3{margin:14px 0 9px;font-size:18px;line-height:1.45}
.related-card p{margin:0 0 17px;color:var(--muted);font-size:14px}
.related-card .text-link{margin-top:auto;align-self:flex-start;font-size:14px}
.feedback-box{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px 34px;border-radius:var(--radius-lg);background:var(--lime)}
.feedback-box h2{margin:0 0 6px;font-size:25px}
.feedback-box p{margin:0;color:#49645a}
.feedback-actions{display:flex;gap:10px;flex-wrap:wrap}
.feedback-btn{min-height:40px;padding:0 15px;border:1px solid rgba(23,61,53,.22);border-radius:10px;background:rgba(255,255,255,.65);color:var(--green);font-weight:800;transition:.2s}
.feedback-btn:hover,.feedback-btn.active{border-color:var(--green);background:var(--green);color:#fff}
.empty-state{padding:52px 25px;text-align:center;border:1px dashed #b9c8be;border-radius:var(--radius-lg);background:#fff}
.empty-state strong{display:block;margin-bottom:8px;font-size:24px;color:var(--green)}
.empty-state p{margin:0 0 22px;color:var(--muted)}
.site-footer{padding:64px 0 20px;background:var(--green);color:#fff}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:42px}
.footer-brand p{max-width:360px;margin:20px 0 0;color:#c6d5cf;font-size:14px}
.site-footer .brand-text{color:#fff}
.site-footer .brand-mark{background:#fff}
.footer-title{margin:5px 0 17px;font-size:15px;color:var(--lime)}
.footer-links{display:grid;gap:9px}
.footer-links a{color:#c6d5cf;font-size:14px;transition:.2s}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-download{padding:14px;border:1px solid rgba(255,255,255,.16);border-radius:12px;background:rgba(255,255,255,.07);color:#c6d5cf;font-size:13px;line-height:1.65}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:44px;padding-top:19px;border-top:1px solid rgba(255,255,255,.14);color:#afc3ba;font-size:12px}
.footer-bottom p{margin:0}
.mobile-bar{display:none}
@media(max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 235px;gap:28px}
  .article-heading h1{font-size:42px}
  .footer-grid{gap:25px}
}
@media(max-width:768px){
  body{padding-bottom:70px;font-size:15px}
  .container{width:min(calc(100% - 32px),var(--container))}
  .section{padding:58px 0}
  .nav-wrap{height:66px}
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;padding:16px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-links.open{display:grid}
  .nav-links a{padding:12px}
  .nav-actions .btn{display:none}
  .menu-toggle{display:inline-grid;place-items:center}
  .article-hero{padding:30px 0 45px}
  .article-heading h1{font-size:33px;letter-spacing:-.045em}
  .article-summary{font-size:16px}
  .cover-frame{height:230px;margin-top:30px}
  .cover-grid{padding:28px 6%;gap:8px}
  .cover-grid span{height:82px}
  .cover-label{left:7%;bottom:22px;font-size:15px}
  .article-layout{display:block}
  .article-aside{margin:22px 0 34px}
  .sticky-stack{position:static}
  .toc-card{display:none}
  .notice-grid,.related-grid{grid-template-columns:1fr}
  .app-banner{align-items:flex-start;flex-direction:column;padding:26px}
  .section-head{display:block;margin-bottom:25px}
  .section-head h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{display:block}
  .footer-bottom p+p{margin-top:5px}
  .mobile-bar{position:fixed;z-index:25;bottom:0;left:0;right:0;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:10px 16px;background:rgba(247,244,236,.95);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
  .mobile-bar .btn{min-height:43px;padding:0 10px;font-size:14px}
}
@media(max-width:520px){
  .brand-text{font-size:15px}
  .brand-text small{font-size:9px}
  .article-heading h1{font-size:30px}
  .article-content{font-size:16px}
  .article-content h2{font-size:25px;margin-top:38px}
  .article-content h3{font-size:19px}
  .cover-frame{height:185px;border-radius:18px}
  .cover-grid span{height:62px;border-radius:9px}
  .notice-grid{gap:12px}
  .notice-card,.related-card{padding:19px}
  .steps-panel{padding:19px}
  .step-row{grid-template-columns:44px 1fr;gap:12px}
  .step-no{width:40px;height:40px;border-radius:11px}
  .feedback-box{align-items:flex-start;flex-direction:column;padding:25px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:auto}
}

/* roulang page: category2 */
:root{
      --green:#173D35;--green-2:#245247;--orange:#F07A48;--orange-dark:#d96335;
      --sage:#A8C7B5;--lime:#DDE7CA;--cream:#F7F4EC;--white:#fff;
      --soft:#EEF2EB;--ink:#17332d;--muted:#64736d;--line:#dbe3db;
      --danger:#9e4b3e;--shadow:0 16px 38px rgba(23,61,53,.10);
      --shadow-lg:0 24px 56px rgba(23,61,53,.16);
      --radius:16px;--radius-lg:24px;--container: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{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(240,122,72,.5);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .section{padding:88px 0}
    .section-soft{background:var(--soft)}
    .section-white{background:var(--white)}
    .section-dark{background:var(--green);color:#fff}
    .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:9px;height:9px;border-radius:50%;background:var(--orange)}
    .section-dark .eyebrow{color:var(--lime)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:32px;line-height:1.25;letter-spacing:-.04em}
    .section-head p{max-width:570px;margin:0;color:var(--muted)}
    .section-dark .section-head p{color:#c8d7d0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:12px;font-weight:800;transition:.2s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(240,122,72,.25)}
    .btn-primary:hover{background:var(--orange-dark);color:#fff}
    .btn-outline{border-color:var(--green);color:var(--green);background:transparent}
    .btn-outline:hover{background:var(--soft);color:var(--green)}
    .btn-light{background:#fff;color:var(--green)}
    .btn-light:hover{background:var(--lime);color:var(--green)}
    .text-link{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-weight:800;border-bottom:1px solid currentColor;line-height:1.5;transition:.2s}
    .text-link:hover{color:var(--orange)}
    .tag{display:inline-flex;align-items:center;min-height:27px;padding:2px 10px;border-radius:7px;background:var(--lime);color:var(--green);font-size:12px;font-weight:800}
    .tag.orange{background:#fde2d5;color:#a64424}
    .tag.dark{background:rgba(255,255,255,.14);color:#fff}
    .meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px}
    .meta span{display:inline-flex;align-items:center;gap:5px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,244,236,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,61,53,.10)}
    .nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;min-width:0}
    .brand-mark{position:relative;width:35px;height:35px;border-radius:11px;background:var(--green);overflow:hidden;flex:0 0 auto}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border-radius:4px;background:var(--orange)}
    .brand-mark:before{width:9px;height:23px;left:8px;top:6px}
    .brand-mark:after{width:9px;height:16px;right:8px;bottom:6px;background:var(--sage)}
    .brand-text{font-size:17px;line-height:1.15;font-weight:900;letter-spacing:-.04em}
    .brand-text small{display:block;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:0}
    .nav-links{display:flex;align-items:center;gap:4px}
    .nav-links a{padding:10px 12px;border-radius:9px;color:#39564d;font-size:14px;font-weight:800;transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:var(--lime);color:var(--green)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--green)}
    .page-head{position:relative;overflow:hidden;padding:56px 0 60px;background:var(--cream);border-bottom:1px solid var(--line)}
    .page-head:before{content:"";position:absolute;right:-120px;top:-180px;width:460px;height:460px;border:54px solid rgba(168,199,181,.28);border-radius:50%}
    .page-head-grid{position:relative;display:grid;grid-template-columns:1fr 265px;align-items:center;gap:42px}
    .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:18px;color:var(--muted);font-size:13px}
    .breadcrumb a{color:var(--green);font-weight:800}
    .breadcrumb i{font-style:normal;color:#9aa9a1}
    .page-head h1{max-width:760px;margin:12px 0 16px;font-size:47px;line-height:1.15;letter-spacing:-.06em}
    .page-head p{max-width:760px;margin:0;color:#52665f;font-size:17px}
    .head-art{position:relative;height:205px;border-radius:24px;background:var(--green);box-shadow:var(--shadow-lg);overflow:hidden}
    .head-art:before{content:"";position:absolute;left:33px;bottom:26px;width:105px;height:132px;border:9px solid var(--cream);border-radius:18px;transform:rotate(-8deg)}
    .head-art:after{content:"";position:absolute;right:29px;top:29px;width:102px;height:102px;border-radius:50%;border:18px solid var(--orange)}
    .art-screen{position:absolute;left:54px;bottom:48px;width:65px;height:68px;border-radius:7px;background:var(--sage)}
    .art-dot{position:absolute;right:56px;bottom:35px;width:16px;height:16px;background:var(--lime);border-radius:50%;box-shadow:-25px 22px 0 var(--orange)}
    .download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .download-card{position:relative;min-height:268px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 20px rgba(23,61,53,.04);overflow:hidden;transition:.25s ease}
    .download-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .download-card.featured{background:var(--green);border-color:var(--green);color:#fff}
    .download-card h3{margin:19px 0 8px;font-size:22px;letter-spacing:-.03em}
    .download-card p{margin:0;color:var(--muted);font-size:14px}
    .download-card.featured p{color:#c6d7cf}
    .device-icon{width:54px;height:54px;display:grid;place-items:center;border-radius:16px;background:var(--soft);color:var(--green);font-size:25px;font-weight:900}
    .featured .device-icon{background:rgba(168,199,181,.19);color:var(--lime)}
    .card-status{position:absolute;right:20px;top:20px}
    .small-line{display:flex;align-items:center;gap:8px;margin-top:18px;color:inherit;font-size:13px;font-weight:700}
    .dot{width:8px;height:8px;border-radius:50%;background:#72a873}
    .dot.wait{background:var(--orange)}
    .install-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:42px;align-items:stretch}
    .install-intro{padding:34px;border-radius:var(--radius-lg);background:var(--green);color:#fff;overflow:hidden;position:relative}
    .install-intro:after{content:"";position:absolute;width:220px;height:220px;border:30px solid rgba(168,199,181,.18);right:-95px;bottom:-105px;border-radius:50%}
    .install-intro h2{position:relative;z-index:1;margin:12px 0 14px;font-size:32px;line-height:1.24;letter-spacing:-.04em}
    .install-intro p{position:relative;z-index:1;color:#c7d7d0;margin:0}
    .install-intro .notice{position:relative;z-index:1;margin-top:28px;padding:14px;border:1px solid rgba(255,255,255,.17);border-radius:12px;background:rgba(255,255,255,.08);font-size:13px;line-height:1.7}
    .install-cards{display:grid;gap:14px}
    .install-card{display:grid;grid-template-columns:62px 1fr auto;align-items:center;gap:18px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.2s}
    .install-card:hover{border-color:var(--sage);box-shadow:0 10px 24px rgba(23,61,53,.07)}
    .install-num{width:46px;height:46px;display:grid;place-items:center;border-radius:13px;background:var(--lime);color:var(--green);font-weight:900}
    .install-card h3{margin:0 0 3px;font-size:18px}
    .install-card p{margin:0;color:var(--muted);font-size:14px}
    .compat-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
    .compat-table{width:100%;min-width:700px;border-collapse:collapse}
    .compat-table th,.compat-table td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line)}
    .compat-table th{background:var(--soft);color:var(--green);font-size:14px}
    .compat-table td{font-size:14px;color:#53665e}
    .compat-table tr:last-child td{border-bottom:0}
    .compat-table td:first-child{color:var(--ink);font-weight:800}
    .check{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-weight:800}
    .check:before{content:"✓";display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--lime);font-size:12px}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 20px;border:0;background:#fff;color:var(--ink);font-size:16px;font-weight:800;text-align:left}
    .faq-question span:last-child{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:var(--soft);color:var(--green);transition:.2s;flex:0 0 auto}
    .faq-question[aria-expanded="true"] span:last-child{background:var(--orange);color:#fff;transform:rotate(45deg)}
    .faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}
    .faq-answer>div{overflow:hidden}
    .faq-answer p{margin:0;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{grid-template-rows:1fr}
    .timeline{position:relative;display:grid;gap:0;max-width:900px;margin:auto}
    .timeline:before{content:"";position:absolute;left:20px;top:23px;bottom:23px;width:1px;background:var(--sage)}
    .timeline-item{position:relative;display:grid;grid-template-columns:56px 1fr auto;gap:18px;align-items:start;padding:0 0 28px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-mark{position:relative;z-index:1;width:41px;height:41px;display:grid;place-items:center;border:4px solid var(--soft);border-radius:50%;background:var(--orange);color:#fff;font-size:12px;font-weight:900}
    .timeline-content{padding:4px 0}
    .timeline-content h3{margin:0 0 4px;font-size:18px}
    .timeline-content p{margin:0;color:var(--muted);font-size:14px}
    .timeline-date{padding-top:7px;color:var(--muted);font-size:13px;white-space:nowrap}
    .closing-box{display:grid;grid-template-columns:1fr auto;align-items:center;gap:28px;padding:36px 40px;border-radius:var(--radius-lg);background:var(--green);color:#fff}
    .closing-box h2{margin:8px 0;font-size:30px;line-height:1.25;letter-spacing:-.04em}
    .closing-box p{max-width:710px;margin:0;color:#c5d5ce}
    .qr-box{width:104px;height:104px;display:grid;place-items:center;padding:10px;border-radius:14px;background:#fff;flex:0 0 auto}
    .qr-pattern{width:74px;height:74px;background:
      linear-gradient(90deg,var(--green) 10px,transparent 10px 15px,var(--green) 15px 28px,transparent 28px 35px,var(--green) 35px 44px,transparent 44px 50px,var(--green) 50px 64px,transparent 64px),
      linear-gradient(var(--green) 10px,transparent 10px 15px,var(--green) 15px 28px,transparent 28px 35px,var(--green) 35px 43px,transparent 43px 51px,var(--green) 51px 64px,transparent 64px);
      background-size:27px 27px;border-radius:4px;opacity:.9}
    .site-footer{padding:64px 0 23px;background:var(--green);color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.4fr .9fr .9fr 1.1fr;gap:38px}
    .footer-brand p{max-width:360px;margin:19px 0 0;color:#b8ccc3;font-size:14px}
    .site-footer .brand-text{color:#fff}
    .footer-title{margin:4px 0 16px;color:var(--lime);font-size:14px;font-weight:900}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#c6d6d0;font-size:14px;transition:.2s}
    .footer-links a:hover{color:var(--orange);transform:translateX(3px)}
    .footer-download{padding:15px;border:1px solid rgba(255,255,255,.15);border-radius:12px;background:rgba(255,255,255,.06);color:#c6d6d0;font-size:13px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);color:#b8ccc3;font-size:12px}
    .footer-bottom p{margin:0}
    .mobile-bar{display:none}
    @media(max-width:1024px){
      .page-head-grid{grid-template-columns:1fr 220px}
      .download-grid{gap:14px}
      .install-layout{gap:25px}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:1/-1}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .section{padding:58px 0}
      .nav-wrap{height:65px}
      .nav-actions .btn{display:none}
      .menu-toggle{display:grid;place-items:center}
      .nav-links{position:absolute;left:0;right:0;top:65px;display:none;align-items:stretch;gap:3px;padding:14px 16px 18px;background:rgba(247,244,236,.98);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px}
      .page-head{padding:38px 0}
      .page-head-grid{grid-template-columns:1fr}
      .page-head h1{font-size:34px}
      .page-head p{font-size:15px}
      .head-art{display:none}
      .section-head{display:block;margin-bottom:27px}
      .section-head h2{font-size:28px}
      .section-head p{margin-top:13px;font-size:15px}
      .download-grid,.faq-grid{grid-template-columns:1fr}
      .install-layout{grid-template-columns:1fr}
      .install-intro{padding:29px}
      .install-card{grid-template-columns:48px 1fr}
      .install-card .btn{grid-column:2;justify-self:start;margin-top:2px;min-height:40px}
      .closing-box{grid-template-columns:1fr;padding:30px}
      .timeline-item{grid-template-columns:52px 1fr}
      .timeline-date{grid-column:2;padding-top:0}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px 22px}
      .footer-brand{grid-column:1/-1}
      .footer-grid>div:last-child{grid-column:1/-1}
      .footer-bottom{display:block;margin-top:34px}
      .footer-bottom p+p{margin-top:6px}
      .mobile-bar{position:fixed;z-index:25;right:12px;bottom:12px;left:12px;display:grid;grid-template-columns:1fr 1fr;gap:9px;padding:9px;border:1px solid rgba(23,61,53,.12);border-radius:15px;background:rgba(247,244,236,.94);box-shadow:var(--shadow-lg);backdrop-filter:blur(12px)}
      .mobile-bar .btn{min-height:43px;padding:0 10px;font-size:14px}
      body{padding-bottom:78px}
    }
    @media(max-width:480px){
      .brand-text{font-size:16px}
      .brand-text small{font-size:9px}
      .page-head h1{font-size:31px}
      .download-card{min-height:0;padding:23px}
      .install-card{padding:17px;gap:13px}
      .install-card h3{font-size:16px}
      .closing-box h2{font-size:26px}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand,.footer-grid>div:last-child{grid-column:auto}
    }

/* roulang page: category3 */
:root{
      --green:#173D35;--green-2:#245247;--orange:#F07A48;--orange-dark:#d96335;
      --sage:#A8C7B5;--lime:#DDE7CA;--cream:#F7F4EC;--white:#fff;
      --soft:#EEF2EB;--ink:#17332d;--muted:#64736d;--line:#dbe3db;
      --danger:#9e4b3e;--shadow:0 16px 38px rgba(23,61,53,.10);
      --shadow-lg:0 24px 56px rgba(23,61,53,.16);
      --radius:16px;--radius-lg:24px;--container: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{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(240,122,72,.55);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .section{padding:88px 0}
    .section-white{background:var(--white)}
    .section-soft{background:var(--soft)}
    .section-dark{background:var(--green);color:#fff}
    .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:9px;height:9px;border-radius:50%;background:var(--orange)}
    .section-dark .eyebrow{color:var(--lime)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:32px;line-height:1.25;letter-spacing:-.045em}
    .section-head p{max-width:510px;margin:0;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:12px;font-weight:800;transition:transform .2s ease,background .2s ease,box-shadow .2s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(240,122,72,.25)}
    .btn-primary:hover{background:var(--orange-dark)}
    .btn-outline{border-color:var(--green);color:var(--green);background:transparent}
    .btn-outline:hover{background:var(--soft)}
    .btn-light{background:#fff;color:var(--green)}
    .btn-light:hover{background:var(--lime)}
    .text-link{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-weight:800;border-bottom:1px solid currentColor;line-height:1.5;transition:color .2s}
    .text-link:hover{color:var(--orange)}
    .tag{display:inline-flex;align-items:center;min-height:27px;padding:2px 10px;border-radius:7px;background:var(--lime);color:var(--green);font-size:12px;font-weight:800}
    .tag.orange{background:#fde2d5;color:#a64424}
    .tag.dark{background:rgba(255,255,255,.14);color:#fff}
    .meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,244,236,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,61,53,.10)}
    .nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;min-width:0}
    .brand-mark{position:relative;width:35px;height:35px;border-radius:11px;background:var(--green);overflow:hidden;flex:0 0 auto}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border-radius:4px;background:var(--orange)}
    .brand-mark:before{width:9px;height:23px;left:8px;top:6px}
    .brand-mark:after{width:9px;height:16px;right:8px;bottom:6px;background:var(--sage)}
    .brand-text{font-size:17px;line-height:1.15;font-weight:900;letter-spacing:-.04em}
    .brand-text small{display:block;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:0}
    .nav-links{display:flex;align-items:center;gap:4px}
    .nav-links a{padding:10px 12px;border-radius:9px;color:#39564d;font-size:14px;font-weight:800;transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:var(--lime);color:var(--green)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--green)}
    .page-hero{position:relative;overflow:hidden;padding:54px 0 58px;background:var(--cream);border-bottom:1px solid var(--line)}
    .page-hero:before{content:"";position:absolute;width:430px;height:430px;right:-110px;top:-240px;border:54px solid rgba(168,199,181,.34);border-radius:50%}
    .page-hero:after{content:"";position:absolute;width:150px;height:150px;right:15%;bottom:-92px;background:rgba(240,122,72,.16);border-radius:32px;transform:rotate(28deg)}
    .breadcrumb{position:relative;z-index:1;display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:19px;color:var(--muted);font-size:13px;font-weight:700}
    .breadcrumb a:hover{color:var(--orange)}
    .breadcrumb .sep{color:#9cad9f}
    .page-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:44px;align-items:center}
    .page-hero h1{max-width:800px;margin:10px 0 14px;font-size:48px;line-height:1.16;letter-spacing:-.06em}
    .page-hero p{max-width:740px;margin:0;color:#52665f;font-size:17px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .meta-pill{padding:7px 11px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.75);font-size:13px;font-weight:800;color:var(--green)}
    .news-orbit{position:relative;width:230px;height:190px;margin-left:auto;border-radius:25px;background:var(--green);box-shadow:var(--shadow-lg);overflow:hidden}
    .news-orbit:before{content:"";position:absolute;width:165px;height:165px;top:-78px;right:-54px;border:27px solid rgba(168,199,181,.35);border-radius:50%}
    .news-orbit:after{content:"";position:absolute;width:118px;height:10px;left:32px;bottom:34px;border-radius:10px;background:var(--orange);box-shadow:0 -23px 0 rgba(255,255,255,.82),0 -46px 0 rgba(168,199,181,.8)}
    .news-orbit span{position:absolute;top:27px;left:30px;color:#fff;font-size:15px;font-weight:900;letter-spacing:.04em}
    .filter-bar{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:4px 1px 10px;scrollbar-width:thin}
    .filter-btn{white-space:nowrap;border:1px solid var(--line);border-radius:9px;padding:9px 14px;background:#fff;color:var(--green);font-size:14px;font-weight:800;transition:.2s}
    .filter-btn:hover,.filter-btn.active{border-color:var(--green);background:var(--green);color:#fff}
    .filter-btn:active{transform:scale(.97)}
    .focus-card{display:grid;grid-template-columns:.94fr 1.06fr;min-height:330px;border-radius:var(--radius-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
    .focus-art{position:relative;min-height:300px;background:linear-gradient(145deg,#1e4d42,#173D35);overflow:hidden}
    .focus-art:before{content:"";position:absolute;width:270px;height:270px;border:35px solid rgba(168,199,181,.35);border-radius:50%;left:-78px;bottom:-125px}
    .focus-art:after{content:"";position:absolute;width:105px;height:140px;right:40px;top:52px;border:10px solid var(--orange);border-radius:20px;box-shadow:-30px 30px 0 -8px rgba(255,255,255,.88)}
    .focus-art span{position:absolute;left:30px;top:28px;color:#fff;font-size:18px;font-weight:900}
    .focus-copy{padding:38px 40px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
    .focus-copy h2{margin:14px 0 12px;font-size:28px;line-height:1.35;letter-spacing:-.04em}
    .focus-copy p{margin:0 0 22px;color:var(--muted)}
    .news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .news-card{display:flex;gap:18px;min-height:188px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s ease}
    .news-card:hover{transform:translateY(-4px);border-color:rgba(23,61,53,.25);box-shadow:var(--shadow)}
    .news-thumb{position:relative;width:128px;min-width:128px;min-height:150px;border-radius:12px;overflow:hidden;background:var(--green)}
    .news-thumb:before,.news-thumb:after{content:"";position:absolute;border-radius:20px}
    .news-thumb:before{width:90px;height:90px;right:-28px;top:-24px;border:18px solid var(--sage)}
    .news-thumb:after{width:45px;height:86px;left:28px;bottom:17px;background:var(--orange);border-radius:10px;box-shadow:18px -13px 0 -9px #fff}
    .news-card:nth-child(2) .news-thumb{background:#5b7257}
    .news-card:nth-child(3) .news-thumb{background:#9a5e43}
    .news-card:nth-child(4) .news-thumb{background:#355a4a}
    .news-card:nth-child(5) .news-thumb{background:#7b8060}
    .news-card:nth-child(6) .news-thumb{background:#3d6557}
    .news-body{display:flex;flex-direction:column;align-items:flex-start;min-width:0}
    .news-body h3{margin:10px 0 7px;font-size:18px;line-height:1.42;letter-spacing:-.025em}
    .news-body p{display:-webkit-box;overflow:hidden;margin:0;color:var(--muted);font-size:14px;line-height:1.7;-webkit-line-clamp:2;-webkit-box-orient:vertical}
    .news-body .text-link{margin-top:auto;padding-top:9px;font-size:13px}
    .update-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .summary-item{padding:26px;border-radius:var(--radius);background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.15)}
    .summary-date{color:var(--sage);font-size:13px;font-weight:800}
    .summary-item h3{margin:9px 0 7px;font-size:19px}
    .summary-item p{margin:0 0 15px;color:#c8d7d0;font-size:14px}
    .summary-item .text-link{color:#fff}
    .summary-item .text-link:hover{color:var(--orange)}
    .ranking-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;align-items:start}
    .ranking-intro{padding:34px;border-radius:var(--radius-lg);background:var(--green);color:#fff}
    .ranking-intro h2{margin:10px 0 12px;font-size:31px;line-height:1.3}
    .ranking-intro p{margin:0;color:#c8d7d0}
    .ranking-list{border-top:1px solid var(--line)}
    .ranking-item{display:grid;grid-template-columns:50px 1fr auto;gap:17px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
    .rank-no{color:var(--orange);font-size:22px;line-height:1;font-weight:900}
    .rank-title{font-size:17px;font-weight:900;line-height:1.45}
    .rank-title small{display:block;margin-top:3px;color:var(--muted);font-size:12px;font-weight:700}
    .rank-arrow{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--soft);color:var(--green);font-weight:900;transition:.2s}
    .ranking-item:hover .rank-arrow{background:var(--orange);color:#fff;transform:translateX(3px)}
    .closing-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}
    .more-panel{padding:36px;border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow)}
    .more-panel h2{margin:10px 0;font-size:28px;line-height:1.3}
    .more-panel p{margin:0 0 22px;color:var(--muted)}
    .subscribe-panel{padding:36px;border-radius:var(--radius-lg);background:var(--lime)}
    .subscribe-panel h2{margin:0 0 9px;font-size:25px;line-height:1.35}
    .subscribe-panel p{margin:0 0 19px;color:#466057;font-size:14px}
    .subscribe-form{display:grid;grid-template-columns:1fr auto;gap:10px}
    .subscribe-form input{width:100%;min-height:48px;padding:0 14px;border:1px solid #b7c8ae;border-radius:11px;background:#fff;color:var(--ink);outline:none;transition:.2s}
    .subscribe-form input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(240,122,72,.16)}
    .form-note{display:flex;align-items:flex-start;gap:8px;margin:12px 0 0;color:#527066;font-size:12px;line-height:1.55}
    .form-note input{width:15px;height:15px;margin-top:2px;accent-color:var(--green)}
    .form-message{display:none;margin-top:10px;color:var(--green);font-size:13px;font-weight:800}
    .site-footer{padding:68px 0 24px;background:var(--green);color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:36px;padding-bottom:44px}
    .footer-brand p{max-width:340px;margin:17px 0 0;color:#b8ccc3;font-size:14px}
    .site-footer .brand-text{color:#fff}
    .footer-title{margin:4px 0 16px;font-size:15px;font-weight:900}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#b8ccc3;font-size:14px;transition:.2s}
    .footer-links a:hover{color:var(--orange);transform:translateX(2px)}
    .footer-download{padding:15px;border:1px solid rgba(255,255,255,.16);border-radius:12px;background:rgba(255,255,255,.07);color:#c7d7d0;font-size:13px;line-height:1.7}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);color:#b8ccc3;font-size:12px}
    .footer-bottom p{margin:0}
    .mobile-bar{display:none}
    @media (max-width:1024px){
      .page-hero-grid{grid-template-columns:1fr 205px}
      .news-grid{gap:13px}
      .news-card{gap:14px}
      .news-thumb{width:108px;min-width:108px}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:span 3}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .section{padding:58px 0}
      .site-header{position:sticky}
      .nav-wrap{height:66px}
      .nav-actions .btn{display:none}
      .menu-toggle{display:grid;place-items:center}
      .nav-links{position:absolute;left:0;right:0;top:66px;display:none;align-items:stretch;flex-direction:column;gap:4px;padding:14px 16px 18px;background:rgba(247,244,236,.98);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px}
      .page-hero{padding:38px 0 43px}
      .page-hero-grid{grid-template-columns:1fr}
      .page-hero h1{font-size:34px}
      .page-hero p{font-size:16px}
      .news-orbit{display:none}
      .section-head{display:block;margin-bottom:25px}
      .section-head h2{font-size:27px}
      .section-head p{margin-top:12px}
      .focus-card{grid-template-columns:1fr}
      .focus-art{min-height:210px}
      .focus-copy{padding:28px}
      .focus-copy h2{font-size:24px}
      .news-grid{grid-template-columns:1fr}
      .update-summary{grid-template-columns:1fr}
      .ranking-layout,.closing-grid{grid-template-columns:1fr;gap:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-grid>div:last-child{grid-column:span 2}
      .footer-bottom{display:block}
      .footer-bottom p+p{margin-top:7px}
      .mobile-bar{position:fixed;z-index:25;left:12px;right:12px;bottom:12px;display:grid;grid-template-columns:1fr 1fr;gap:9px;padding:8px;border:1px solid rgba(23,61,53,.12);border-radius:15px;background:rgba(247,244,236,.96);box-shadow:var(--shadow-lg);backdrop-filter:blur(12px)}
      .mobile-bar .btn{min-height:43px;padding:0 12px;font-size:14px}
      body{padding-bottom:76px}
    }
    @media (max-width:520px){
      .brand-text{font-size:15px}
      .brand-text small{font-size:9px}
      .page-hero h1{font-size:31px}
      .hero-meta{gap:7px}
      .meta-pill{font-size:12px}
      .news-card{padding:14px}
      .news-thumb{width:88px;min-width:88px;min-height:133px}
      .news-body h3{font-size:16px}
      .news-body p{font-size:13px}
      .focus-copy{padding:23px}
      .summary-item,.more-panel,.subscribe-panel,.ranking-intro{padding:25px}
      .ranking-item{grid-template-columns:37px 1fr 31px;gap:10px}
      .rank-title{font-size:15px}
      .subscribe-form{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:last-child{grid-column:auto}
    }