/* roulang page: index */
:root{
  --ink:#202522;
  --muted:#707871;
  --soft:#f3f5f0;
  --paper:#fbfcf8;
  --line:#dfe5dc;
  --lime:#b9ef45;
  --lime-deep:#88c72b;
  --orange:#ff8c5a;
  --dark:#202722;
  --dark-2:#2d3730;
  --white:#fff;
  --radius:16px;
  --shadow:0 14px 35px rgba(32,37,34,.08);
  --container:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{height:78px;background:rgba(251,252,248,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--lime);position:relative;overflow:hidden;display:grid;place-items:center}
.brand-mark:before{content:"";width:20px;height:20px;border:3px solid var(--dark);border-left-color:transparent;border-radius:50%;transform:rotate(-35deg)}
.brand-mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--dark);right:6px;top:7px}
.nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav a{color:#5f6861;font-size:14px;font-weight:650;padding:27px 0;position:relative;transition:.2s}
.nav a:after{content:"";height:3px;width:0;background:var(--lime-deep);position:absolute;bottom:17px;left:0;border-radius:5px;transition:.2s}
.nav a:hover,.nav a.active{color:var(--ink)}
.nav a:hover:after,.nav a.active:after{width:100%}
.header-download,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-size:14px;font-weight:800;transition:transform .2s,background .2s,box-shadow .2s}
.header-download{background:var(--dark);color:var(--white);padding:12px 19px}
.header-download:hover{background:#111711;transform:translateY(-2px);box-shadow:0 8px 18px #20272225}
.menu-toggle{display:none;background:none;font-size:24px;color:var(--ink)}
.hero{background:var(--dark);color:var(--white);padding:84px 0 76px;overflow:hidden;position:relative}
.hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid #b9ef4528;border-radius:50%;right:-120px;top:-180px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px}
.eyebrow i{width:8px;height:8px;background:var(--orange);border-radius:50%}
.hero h1{font-size:clamp(42px,5vw,70px);line-height:1.1;letter-spacing:-.07em;max-width:640px;margin-bottom:25px}
.hero-copy{font-size:17px;color:#c4ccc3;max-width:540px;margin-bottom:32px}
.btn-primary{background:var(--lime);color:var(--dark);padding:14px 23px}
.btn-primary:hover{background:#cffb70;transform:translateY(-2px);box-shadow:0 10px 22px #b9ef4540}
.btn-ghost{border:1px solid #ffffff44;color:var(--white);padding:13px 22px}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.device-stage{min-height:400px;display:flex;align-items:center;justify-content:center;position:relative}
.device-shadow{position:absolute;width:350px;height:80px;background:#0008;filter:blur(25px);bottom:24px;border-radius:50%}
.phone{width:224px;height:420px;border:8px solid #414b43;border-radius:31px;background:#eef4e9;color:var(--ink);padding:12px;position:relative;box-shadow:20px 25px 45px #0005;transform:rotate(5deg)}
.phone-notch{width:74px;height:17px;background:#414b43;border-radius:0 0 12px 12px;margin:-12px auto 12px}
.app-top{display:flex;justify-content:space-between;align-items:center;font-size:10px;font-weight:800;margin-bottom:15px}
.app-top b{font-size:15px}
.app-chip{background:var(--lime);padding:4px 8px;border-radius:6px}
.match-card{background:#fff;border-radius:12px;padding:12px;margin-bottom:10px;box-shadow:0 3px 10px #2025220d}
.match-card strong{display:block;font-size:12px;margin-bottom:6px}
.match-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:9px}
.score-line{display:flex;justify-content:space-between;font-size:13px;font-weight:800;margin-top:8px}
.mini-panel{position:absolute;background:#f7faf3;color:var(--ink);padding:16px;border-radius:14px;width:180px;right:12px;top:74px;box-shadow:0 18px 30px #0003;transform:rotate(-7deg)}
.mini-panel small{color:var(--muted);font-size:10px}
.mini-panel h3{font-size:25px;line-height:1.1;margin:5px 0 12px}
.progress{height:7px;background:#e4e9df;border-radius:10px;overflow:hidden}
.progress span{display:block;width:68%;height:100%;background:var(--orange)}
.section{padding:94px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:32px}
.kicker{color:var(--orange);font-size:12px;font-weight:850;letter-spacing:.1em;margin-bottom:8px}
.section h2{font-size:clamp(28px,3vw,43px);line-height:1.18;letter-spacing:-.055em}
.section-intro{color:var(--muted);max-width:490px;font-size:15px}
.text-link{font-size:14px;font-weight:800;border-bottom:1px solid var(--ink);padding-bottom:4px;white-space:nowrap;transition:.2s}
.text-link:hover{color:var(--lime-deep);border-color:var(--lime-deep)}
.quickbar{background:var(--lime);padding:25px 0}
.quick-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px}
.quick-item{display:flex;align-items:center;gap:13px;padding:8px 20px;border-right:1px solid #2027222d}
.quick-item:last-child{border:0}
.quick-no{font-size:12px;font-weight:900;color:#526b26}
.quick-item strong{display:block;font-size:14px}
.quick-item span{font-size:11px;color:#52614a}
.experience{background:#edf2e9}
.experience-grid{display:grid;grid-template-columns:1.15fr 2fr;gap:55px;align-items:start}
.experience-copy h2{margin-bottom:18px}
.experience-copy p{color:var(--muted);font-size:15px}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.stat{border-top:2px solid var(--ink);padding:18px 4px 12px}
.stat b{font-size:43px;letter-spacing:-.08em;display:block;line-height:1.1}
.stat span{font-size:14px;color:var(--muted)}
.download-section{background:var(--orange);position:relative;overflow:hidden}
.download-section:before{content:"";position:absolute;width:380px;height:380px;border:1px solid #fff5;border-radius:50%;right:-100px;top:-120px}
.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;position:relative}
.download-grid h2{margin-bottom:17px}
.download-grid p{max-width:510px;color:#543b31;margin-bottom:24px}
.version-row{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}
.tag{display:inline-flex;align-items:center;border-radius:999px;padding:6px 11px;background:#fff8;color:var(--ink);font-size:12px;font-weight:750}
.download-box{background:var(--dark);color:var(--white);padding:28px;border-radius:18px;display:flex;align-items:center;gap:25px;justify-content:center}
.qr{width:116px;height:116px;background:repeating-linear-gradient(45deg,#fff 0 4px,#d9ded9 4px 7px);border:9px solid #fff;position:relative}
.qr:after,.qr:before{content:"";position:absolute;width:25px;height:25px;border:5px solid var(--dark);background:#fff}
.qr:before{top:4px;left:4px}.qr:after{right:4px;bottom:4px}
.download-box h3{font-size:21px;margin-bottom:5px}.download-box p{color:#aeb8ae;font-size:12px;margin:0 0 15px}
.news-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:22px}
.news-feature{background:var(--dark);color:var(--white);border-radius:var(--radius);padding:32px;min-height:300px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
.news-feature:before{content:"资讯精选";position:absolute;right:22px;top:24px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.12em}
.news-feature h3{font-size:27px;line-height:1.3;margin:12px 0}
.news-feature p{color:#bec8bd;font-size:14px}
.news-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:78px 1fr auto;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);transition:.2s}
.news-item:hover{padding-left:7px}.news-item:hover h3{color:var(--lime-deep)}
.news-date{font-size:12px;color:var(--muted)}.news-item h3{font-size:15px;line-height:1.4;transition:.2s}.news-item p{font-size:12px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.arrow{font-size:20px;color:var(--orange)}
.timeline{border-left:2px solid var(--line);margin-left:10px;padding-left:35px;display:grid;gap:25px}
.timeline-item{position:relative;display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:center}
.timeline-item:before{content:"";position:absolute;width:11px;height:11px;background:var(--lime);border:3px solid var(--paper);border-radius:50%;left:-42px;top:11px;box-shadow:0 0 0 1px var(--lime-deep)}
.timeline-item time{font-size:13px;color:var(--muted);font-weight:750}.timeline-item strong{font-size:16px}.timeline-item small{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.status{font-size:11px;padding:5px 10px;border-radius:999px;background:#fff0e9;color:#d75b2d;font-weight:800}
.schedule{background:var(--soft)}
.date-tabs{display:flex;gap:10px;overflow:auto;padding-bottom:12px;margin-bottom:18px}
.date-tabs span{min-width:96px;text-align:center;padding:11px 16px;border:1px solid var(--line);background:var(--white);border-radius:12px;font-size:13px;white-space:nowrap}
.date-tabs span.active{background:var(--dark);color:var(--lime);border-color:var(--dark)}
.schedule-list{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.schedule-row{display:grid;grid-template-columns:90px 150px 1fr 90px;align-items:center;gap:15px;padding:17px 22px;border-bottom:1px solid var(--line)}
.schedule-row:last-child{border:0}.schedule-row time{font-weight:800}.schedule-row em{font-style:normal;color:var(--orange);font-size:12px}.schedule-row span{font-size:14px}.schedule-row small{color:var(--muted);text-align:right}
.topic-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:18px}
.topic-card{min-height:205px;border-radius:var(--radius);padding:24px;color:#fff;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden;background:var(--dark)}
.topic-card:nth-child(2){background:#657c42}.topic-card:nth-child(3){background:#bc5d3c}
.topic-card:after{content:"";position:absolute;width:170px;height:170px;border:1px solid #ffffff44;border-radius:50%;right:-45px;top:-42px}
.topic-card small{color:#d8e2d3;font-size:12px}.topic-card h3{font-size:22px;margin:8px 0 4px;position:relative;z-index:1}.topic-card p{font-size:13px;color:#e0e7dd;position:relative;z-index:1}
.observation{background:var(--dark);color:#fff}.observation .section-intro{color:#abb7ab}
.observe-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.observe-card{border:1px solid #ffffff20;border-radius:14px;padding:25px;background:#ffffff08}
.observe-card b{font-size:39px;color:var(--lime);display:block;line-height:1;margin-bottom:12px}.observe-card h3{font-size:16px}.observe-card p{font-size:13px;color:#aebaae;margin-top:8px}
.trend{height:40px;display:flex;align-items:end;gap:5px;margin-top:18px}.trend i{display:block;width:13%;background:var(--orange);border-radius:3px 3px 0 0}.trend i:nth-child(1){height:35%}.trend i:nth-child(2){height:48%}.trend i:nth-child(3){height:42%}.trend i:nth-child(4){height:70%}.trend i:nth-child(5){height:62%}.trend i:nth-child(6){height:88%}
.steps-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
.steps{display:grid;gap:22px}.step{display:grid;grid-template-columns:42px 1fr;gap:15px}.step-num{width:36px;height:36px;background:var(--lime);border-radius:50%;display:grid;place-items:center;font-weight:900}.step h3{font-size:16px}.step p{font-size:13px;color:var(--muted);margin-top:3px}
.screen-board{background:#e6ede1;border-radius:20px;padding:23px;min-height:280px;position:relative}.screen-top{display:flex;justify-content:space-between;font-weight:800;margin-bottom:18px}.screen-line{height:48px;border-radius:10px;background:#fff;margin:10px 0;padding:10px 13px;display:flex;justify-content:space-between;align-items:center;font-size:12px}.screen-line b{display:block}.screen-line small{color:var(--muted)}
.feature-strip{background:#dbe8c9;padding:0}.feature-strip .section{padding:65px 0}.strip-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.strip-card{min-height:190px;border-radius:16px;background:var(--dark);color:#fff;padding:28px;display:flex;flex-direction:column;justify-content:end}.strip-card:nth-child(2){background:var(--white);color:var(--ink);border:1px solid var(--line)}.strip-card small{color:var(--orange);font-weight:800}.strip-card h3{font-size:23px;margin:9px 0}.strip-card p{font-size:13px;color:#aebaae}.strip-card:nth-child(2) p{color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item{border-bottom:1px solid var(--line);padding:18px 3px}.faq-item summary{cursor:pointer;font-size:15px;font-weight:800;list-style:none;display:flex;justify-content:space-between}.faq-item summary:after{content:"+";color:var(--orange);font-size:21px}.faq-item[open] summary:after{content:"−"}.faq-item p{color:var(--muted);font-size:13px;padding:12px 20px 0 0}
.security{background:var(--dark-2);color:#fff;padding:42px 0}.security-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.security h2{font-size:25px}.security p{color:#b4c0b4;font-size:13px;max-width:640px;margin-top:7px}.security-mark{width:58px;height:58px;border:2px solid var(--lime);border-radius:50%;display:grid;place-items:center;color:var(--lime);font-size:25px;flex:none}
.final-cta{padding:74px 0;background:var(--lime)}.final-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.final-inner h2{font-size:35px;letter-spacing:-.05em}.final-inner p{margin-top:8px;color:#52614a}.final-actions{display:flex;gap:10px;flex-wrap:wrap}.final-actions .btn-ghost{border-color:var(--dark);color:var(--dark)}
.site-footer{background:#171d19;color:#fff;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px;padding-bottom:45px}.footer-brand p{font-size:13px;color:#95a095;max-width:270px;margin-top:16px}.footer-title{font-size:13px;color:var(--lime);font-weight:800;margin-bottom:15px}.footer-links{display:grid;gap:9px}.footer-links a{font-size:13px;color:#b6c0b6;transition:.2s}.footer-links a:hover{color:var(--lime)}.copyright{border-top:1px solid #ffffff18;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#778178;font-size:12px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}
@media(max-width:1024px){.nav{gap:17px}.hero-grid{gap:35px}.quick-item{padding:8px 10px}.topic-grid{grid-template-columns:1fr 1fr}.topic-card:first-child{grid-column:span 2}}
@media(max-width:768px){.container{width:min(100% - 34px,var(--container))}.site-header{height:68px}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:15px 22px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}.nav.open{display:flex}.nav a{padding:12px 0}.nav a:after{bottom:5px}.menu-toggle{display:block}.header-download{padding:10px 14px;font-size:12px}.hero{padding:62px 0}.hero-grid,.download-grid,.steps-grid{grid-template-columns:1fr}.hero h1{font-size:45px}.device-stage{min-height:380px}.quick-grid{grid-template-columns:repeat(2,1fr);gap:0}.quick-item{border-bottom:1px solid #2027222d}.quick-item:nth-child(2n){border-right:0}.experience-grid{grid-template-columns:1fr;gap:30px}.news-layout{grid-template-columns:1fr}.timeline-item{grid-template-columns:90px 1fr}.timeline-item .text-link{display:none}.schedule-row{grid-template-columns:65px 100px 1fr}.schedule-row small{display:none}.observe-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid .footer-group:last-child{display:none}.security-inner,.final-inner{align-items:flex-start;flex-direction:column}}
@media(max-width:520px){.container{width:calc(100% - 28px)}.brand{font-size:15px}.brand-mark{width:32px;height:32px}.header-download{display:none}.hero h1{font-size:38px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}.section{padding:65px 0}.section-head{display:block}.section-intro{margin-top:13px}.section-head .text-link{display:inline-block;margin-top:18px}.device-stage{transform:scale(.88);margin:-20px 0}.quick-grid{grid-template-columns:1fr}.quick-item{border-right:0}.stats{grid-template-columns:1fr 1fr}.stat b{font-size:34px}.download-box{padding:22px;flex-direction:column;text-align:center}.news-item{grid-template-columns:61px 1fr}.news-item .arrow{display:none}.news-item p{max-width:180px}.timeline{padding-left:22px;margin-left:4px}.timeline-item{grid-template-columns:1fr;gap:3px}.timeline-item:before{left:-29px}.topic-grid,.strip-grid,.faq-grid,.observe-grid{grid-template-columns:1fr}.topic-card:first-child{grid-column:auto}.schedule-row{grid-template-columns:58px 1fr}.schedule-row em{display:none}.final-inner h2{font-size:29px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:span 2}.copyright{display:block}.copyright span{display:block;margin-top:7px}}

/* roulang page: article */
:root{
  --ink:#202522;
  --muted:#707871;
  --soft:#f3f5f0;
  --paper:#fbfcf8;
  --line:#dfe5dc;
  --lime:#b9ef45;
  --lime-deep:#88c72b;
  --orange:#ff8c5a;
  --dark:#202722;
  --dark-2:#2d3730;
  --white:#fff;
  --radius:16px;
  --shadow:0 14px 35px rgba(32,37,34,.08);
  --container:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{height:78px;background:rgba(251,252,248,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--lime);position:relative;overflow:hidden;display:grid;place-items:center;flex:0 0 auto}
.brand-mark:before{content:"";width:20px;height:20px;border:3px solid var(--dark);border-left-color:transparent;border-radius:50%;transform:rotate(-35deg)}
.brand-mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--dark);right:6px;top:7px}
.nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav a{color:#5f6861;font-size:14px;font-weight:650;padding:27px 0;position:relative;transition:.2s}
.nav a:after{content:"";height:3px;width:0;background:var(--lime-deep);position:absolute;bottom:17px;left:0;border-radius:5px;transition:.2s}
.nav a:hover,.nav a.active{color:var(--ink)}
.nav a:hover:after,.nav a.active:after{width:100%}
.header-download,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-size:14px;font-weight:800;transition:transform .2s,background .2s,box-shadow .2s,border-color .2s}
.header-download{background:var(--dark);color:var(--white);padding:12px 19px;white-space:nowrap}
.header-download:hover{background:#111711;transform:translateY(-2px);box-shadow:0 8px 18px #20272225}
.menu-toggle{display:none;background:none;font-size:24px;color:var(--ink)}
.btn-primary{background:var(--lime);color:var(--dark);padding:14px 23px}
.btn-primary:hover{background:#cffb70;transform:translateY(-2px);box-shadow:0 10px 22px #b9ef4540}
.btn-dark{background:var(--dark);color:var(--white);padding:14px 23px}
.btn-dark:hover{background:#111711;transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line);background:var(--white);color:var(--ink);padding:13px 21px}
.btn-outline:hover{border-color:var(--lime-deep);color:var(--lime-deep);transform:translateY(-2px)}
a:focus-visible,button:focus-visible{outline:3px solid rgba(136,199,43,.55);outline-offset:3px}
.article-banner{background:var(--dark);color:var(--white);padding:52px 0 58px;position:relative;overflow:hidden}
.article-banner:before{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(185,239,69,.18);border-radius:50%;right:-115px;top:-250px}
.article-banner:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:var(--orange);opacity:.14;left:5%;bottom:-120px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;position:relative;z-index:1;color:#b8c1b7;font-size:13px;margin-bottom:23px}
.breadcrumb a{transition:.2s}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .separator{color:#657065}
.article-category{display:inline-flex;align-items:center;gap:8px;border-radius:999px;background:rgba(185,239,69,.13);color:var(--lime);padding:6px 12px;font-size:12px;font-weight:800;position:relative;z-index:1}
.article-category i{width:7px;height:7px;border-radius:50%;background:var(--orange)}
.article-banner h1{max-width:930px;font-size:clamp(32px,4.7vw,60px);line-height:1.16;letter-spacing:-.06em;margin:18px 0 20px;position:relative;z-index:1}
.article-meta{display:flex;gap:20px;align-items:center;flex-wrap:wrap;color:#b8c1b7;font-size:13px;position:relative;z-index:1}
.article-meta strong{font-weight:700;color:var(--white)}
.article-layout{display:grid;grid-template-columns:minmax(0,790px) 270px;gap:74px;align-items:start;padding:70px 0 94px}
.article-main{min-width:0}
.summary-card{padding:26px 28px;background:#eff4e7;border-left:5px solid var(--lime-deep);border-radius:0 var(--radius) var(--radius) 0;margin-bottom:39px}
.summary-card .summary-label{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:850;color:#4b6921;letter-spacing:.08em;margin-bottom:10px}
.summary-card .summary-label span{width:9px;height:9px;background:var(--orange);border-radius:50%}
.summary-card p{margin:0;font-size:16px;color:#4d5a50}
.article-body{font-size:17px;color:#343a35}
.article-body>*:first-child{margin-top:0}
.article-body h2{font-size:29px;line-height:1.28;letter-spacing:-.045em;color:var(--ink);margin:49px 0 18px;padding-top:7px}
.article-body h3{font-size:22px;line-height:1.36;color:var(--ink);margin:33px 0 14px}
.article-body p{margin:0 0 21px}
.article-body ul,.article-body ol{padding-left:25px;margin:0 0 24px}
.article-body li{padding-left:4px;margin:8px 0}
.article-body blockquote{margin:31px 0;padding:21px 25px;border-left:4px solid var(--orange);background:#fff4ee;color:#674334;font-size:18px;border-radius:0 12px 12px 0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:42px 0}
.article-body img{width:100%;height:auto;border-radius:14px;margin:30px 0;box-shadow:var(--shadow)}
.article-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:14px;overflow:hidden;border:1px solid var(--line);border-radius:12px}
.article-body th{background:var(--soft);font-weight:800;color:var(--ink)}
.article-body td,.article-body th{padding:13px 15px;text-align:left;border:1px solid var(--line)}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin:-17px 0 28px}
.article-aside{position:sticky;top:104px}
.aside-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:23px;margin-bottom:20px}
.aside-title{font-size:14px;font-weight:850;margin-bottom:15px}
.aside-list{list-style:none;padding:0;margin:0}
.aside-list li{border-bottom:1px solid var(--line)}
.aside-list li:last-child{border-bottom:0}
.aside-list a{display:block;padding:12px 0;font-size:13px;color:#58635a;transition:.2s}
.aside-list a:hover{color:var(--lime-deep);padding-left:4px}
.app-promo{background:var(--dark);border:0;color:var(--white);overflow:hidden;position:relative}
.app-promo:after{content:"";position:absolute;width:120px;height:120px;border:1px solid rgba(185,239,69,.35);border-radius:50%;right:-45px;top:-42px}
.app-promo .mini-mark{display:inline-grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--lime);color:var(--dark);font-weight:900;margin-bottom:15px}
.app-promo p{color:#c2cbbf;font-size:13px;line-height:1.65;margin:9px 0 17px}
.app-promo .btn{position:relative;z-index:1;width:100%;padding:11px;font-size:13px}
.article-tools{display:flex;align-items:center;justify-content:space-between;gap:18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin-top:52px}
.article-tools span{font-size:13px;color:var(--muted)}
.article-tools-actions{display:flex;gap:10px;flex-wrap:wrap}
.tool-link{font-size:13px;font-weight:750;border:1px solid var(--line);padding:8px 13px;border-radius:999px;background:var(--white);transition:.2s}
.tool-link:hover{border-color:var(--lime-deep);color:var(--lime-deep)}
.section{padding:88px 0}
.related-section{background:var(--soft);border-top:1px solid var(--line)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
.section h2{font-size:clamp(27px,3vw,40px);line-height:1.18;letter-spacing:-.055em;margin:0}
.section-intro{max-width:440px;margin:0;color:var(--muted);font-size:14px}
.related-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:20px}
.related-card{display:flex;flex-direction:column;min-height:230px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:transform .22s,box-shadow .22s,border-color .22s}
.related-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c8dbaf}
.related-card.featured{background:var(--dark);border-color:var(--dark);color:var(--white)}
.related-card .card-tag{display:inline-flex;align-self:flex-start;padding:5px 9px;border-radius:999px;background:#eef4e5;color:#557b21;font-size:11px;font-weight:800}
.related-card.featured .card-tag{background:rgba(185,239,69,.14);color:var(--lime)}
.related-card h3{font-size:20px;line-height:1.42;letter-spacing:-.03em;margin:17px 0 10px}
.related-card p{font-size:14px;line-height:1.65;color:var(--muted);margin:0}
.related-card.featured p{color:#bdc7ba}
.card-bottom{margin-top:auto;padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted)}
.related-card.featured .card-bottom{color:#b6c2b3}
.card-arrow{font-size:20px;color:var(--orange);transition:transform .2s}
.related-card:hover .card-arrow{transform:translateX(4px)}
.return-strip{background:var(--orange);padding:43px 0}
.return-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.return-inner h2{margin:0;font-size:clamp(25px,3vw,38px);line-height:1.2;letter-spacing:-.05em}
.return-inner p{margin:8px 0 0;color:#604133;font-size:14px}
.return-inner .btn{flex:0 0 auto}
.site-footer{background:var(--dark);color:var(--white);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.65fr 1fr 1fr 1fr;gap:42px;padding-bottom:47px}
.footer-brand p{max-width:295px;color:#b8c2b7;font-size:13px;line-height:1.75;margin:17px 0 0}
.footer-title{font-size:13px;font-weight:850;color:var(--lime);margin-bottom:15px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:#bbc5ba;transition:.2s}
.footer-links a:hover{color:var(--lime);transform:translateX(3px)}
.copyright{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:20px;color:#9aa59a;font-size:12px}
@media (max-width:1024px){
  .nav{gap:18px}
  .article-layout{grid-template-columns:minmax(0,1fr) 230px;gap:35px}
  .related-grid{grid-template-columns:1fr 1fr}
  .related-card.featured{grid-column:span 2}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
  .footer-brand{grid-column:span 3}
}
@media (max-width:768px){
  .container{width:min(var(--container),calc(100% - 34px))}
  .site-header{height:68px}
  .header-inner{gap:12px}
  .brand{font-size:16px}
  .brand-mark{width:33px;height:33px;border-radius:10px}
  .menu-toggle{display:block;margin-left:auto;line-height:1}
  .nav{display:none;position:absolute;left:0;right:0;top:67px;margin:0;padding:12px 17px 19px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 12px 25px rgba(32,37,34,.08);flex-direction:column;align-items:stretch;gap:0}
  .nav.open{display:flex}
  .nav a{padding:12px 5px}
  .nav a:after{bottom:6px}
  .header-download{padding:10px 13px;font-size:12px}
  .article-banner{padding:38px 0 43px}
  .article-banner h1{font-size:36px}
  .article-layout{display:block;padding:45px 0 65px}
  .article-aside{position:static;margin-top:35px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .aside-box{margin:0}
  .app-promo{grid-column:span 2}
  .article-body{font-size:16px}
  .article-body h2{font-size:26px;margin-top:39px}
  .article-body h3{font-size:20px}
  .section{padding:62px 0}
  .section-head{align-items:start;flex-direction:column;margin-bottom:25px}
  .return-inner{align-items:flex-start;flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr;gap:31px}
  .footer-brand{grid-column:span 2}
  .copyright{align-items:flex-start;flex-direction:column;gap:5px}
}
@media (max-width:520px){
  .container{width:calc(100% - 28px)}
  .brand span:last-child{font-size:15px}
  .header-download span{display:none}
  .article-banner h1{font-size:30px;letter-spacing:-.05em}
  .article-meta{gap:11px}
  .summary-card{padding:20px 19px}
  .summary-card p{font-size:15px}
  .article-aside{display:block}
  .aside-box{margin-bottom:15px}
  .app-promo{margin-bottom:0}
  .article-tools{align-items:flex-start;flex-direction:column}
  .related-grid{grid-template-columns:1fr}
  .related-card.featured{grid-column:auto}
  .related-card{min-height:205px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand{grid-column:auto}
  .footer-links{gap:8px}
}

/* roulang page: category1 */
:root{
      --ink:#202522;--muted:#707871;--soft:#f3f5f0;--paper:#fbfcf8;--line:#dfe5dc;
      --lime:#b9ef45;--lime-deep:#88c72b;--orange:#ff8c5a;--dark:#202722;--dark-2:#2d3730;
      --white:#fff;--radius:16px;--shadow:0 14px 35px rgba(32,37,34,.08);--container:1220px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:rgba(251,252,248,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:var(--lime);position:relative;overflow:hidden;display:grid;place-items:center}
    .brand-mark:before{content:"";width:20px;height:20px;border:3px solid var(--dark);border-left-color:transparent;border-radius:50%;transform:rotate(-35deg)}
    .brand-mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--dark);right:6px;top:7px}
    .nav{display:flex;align-items:center;gap:28px;margin-left:auto}
    .nav a{color:#5f6861;font-size:14px;font-weight:650;padding:27px 0;position:relative;transition:.2s}
    .nav a:after{content:"";height:3px;width:0;background:var(--lime-deep);position:absolute;bottom:17px;left:0;border-radius:5px;transition:.2s}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a:hover:after,.nav a.active:after{width:100%}
    .header-download,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-size:14px;font-weight:800;transition:.2s}
    .header-download{background:var(--dark);color:var(--white);padding:12px 19px}
    .header-download:hover{background:#111711;transform:translateY(-2px);box-shadow:0 8px 18px #20272225}
    .menu-toggle{display:none;background:none;font-size:24px;color:var(--ink)}
    .page-intro{background:var(--dark);color:var(--white);padding:72px 0 68px;position:relative;overflow:hidden}
    .page-intro:after{content:"";position:absolute;width:470px;height:470px;border:1px solid #b9ef4535;border-radius:50%;right:-125px;top:-180px}
    .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end;position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.1em;margin-bottom:18px}
    .eyebrow i{width:8px;height:8px;background:var(--orange);border-radius:50%}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,66px);line-height:1.12;letter-spacing:-.065em;margin-bottom:20px}
    .intro-copy{color:#c8d0c7;font-size:17px;max-width:620px;margin:0}
    .intro-card{background:#fff;color:var(--ink);padding:25px;border-radius:18px;box-shadow:var(--shadow)}
    .intro-card-label{font-size:12px;color:var(--muted);margin-bottom:10px}
    .intro-card strong{font-size:28px;display:block;line-height:1.2;margin-bottom:14px}
    .progress{height:8px;background:#e9eee5;border-radius:99px;overflow:hidden}
    .progress span{display:block;width:76%;height:100%;background:var(--lime-deep);border-radius:99px}
    .intro-card small{display:block;color:var(--muted);margin-top:10px}
    .section{padding:82px 0}
    .section.alt{background:var(--soft)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section h2{font-size:clamp(28px,3vw,43px);line-height:1.18;letter-spacing:-.055em;margin-bottom:0}
    .section-intro{color:var(--muted);max-width:520px;font-size:15px;margin:0}
    .crumbs{padding:22px 0 0;color:var(--muted);font-size:13px}
    .crumbs a:hover{color:var(--lime-deep)}
    .filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
    .tag{display:inline-flex;align-items:center;border-radius:999px;padding:7px 13px;background:#e8eee3;color:#495349;font-size:12px;font-weight:750}
    .tag.active{background:var(--lime);color:var(--dark)}
    .download-panel{display:grid;grid-template-columns:1.15fr .85fr;gap:45px;align-items:center;background:var(--orange);border-radius:20px;padding:42px;overflow:hidden;position:relative}
    .download-panel:after{content:"";position:absolute;width:370px;height:370px;border:1px solid #fff5;border-radius:50%;right:-100px;top:-130px}
    .download-panel>*{position:relative;z-index:1}
    .download-panel h2{margin-bottom:14px}
    .download-panel p{color:#543b31;max-width:520px}
    .version-row{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0 25px}
    .panel-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn-primary{background:var(--dark);color:#fff;padding:14px 23px}
    .btn-primary:hover{background:#101610;transform:translateY(-2px);box-shadow:0 9px 20px #20272230}
    .btn-light{background:#fff;color:var(--dark);padding:14px 23px}
    .btn-light:hover{background:#f2f7ee;transform:translateY(-2px)}
    .phone-card{width:220px;min-height:330px;background:#f9fbf7;border:8px solid var(--dark);border-radius:30px;padding:18px 13px;margin:auto;box-shadow:18px 22px 0 #20272218}
    .phone-top{display:flex;justify-content:space-between;color:var(--muted);font-size:10px;margin-bottom:20px}
    .phone-title{font-size:18px;font-weight:800;margin-bottom:14px}
    .phone-tab{display:flex;gap:6px;margin-bottom:15px}
    .phone-tab span{font-size:9px;padding:5px 8px;border-radius:7px;background:#e9eee5}
    .phone-tab span:first-child{background:var(--lime)}
    .phone-match{padding:11px 9px;border:1px solid var(--line);border-radius:10px;margin-bottom:9px}
    .phone-match b{display:block;font-size:11px;margin-bottom:5px}
    .phone-match small{color:var(--muted);font-size:9px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:190px;transition:.2s}
    .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8d7c0}
    .feature-no{color:var(--orange);font-weight:900;font-size:13px;margin-bottom:25px}
    .feature-card h3{font-size:19px;margin-bottom:8px}
    .feature-card p{font-size:14px;color:var(--muted);margin-bottom:0}
    .spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
    .spec{background:var(--paper);padding:25px}
    .spec strong{display:block;font-size:28px;letter-spacing:-.04em;margin-bottom:4px}
    .spec span{color:var(--muted);font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .step{padding:24px 0;border-top:3px solid var(--dark)}
    .step-num{font-size:13px;color:var(--orange);font-weight:900;margin-bottom:26px}
    .step h3{font-size:18px;margin-bottom:8px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .notice{display:flex;align-items:flex-start;gap:16px;background:#edf4e7;border:1px solid #d2e1ca;border-radius:14px;padding:20px 22px;margin-top:28px}
    .notice-mark{width:28px;height:28px;border-radius:50%;background:var(--lime);display:grid;place-items:center;font-weight:900;flex:none}
    .notice p{margin:0;font-size:14px;color:#536052}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    details{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px 20px}
    details[open]{border-color:#bdd490;box-shadow:0 8px 22px rgba(32,37,34,.05)}
    summary{cursor:pointer;font-weight:800;list-style:none;padding-right:20px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--lime-deep);font-size:20px;top:-4px}
    details[open] summary:after{content:"−"}
    details p{font-size:14px;color:var(--muted);margin:13px 0 0}
    .cta{background:var(--dark);color:#fff;padding:65px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:clamp(28px,4vw,46px);letter-spacing:-.06em;margin-bottom:10px}
    .cta p{color:#bdc7bc;margin:0}
    .site-footer{background:var(--dark);color:#fff;padding:65px 0 20px;border-top:1px solid #ffffff12}
    .footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:42px}
    .footer-brand p{color:#aeb9ad;font-size:13px;max-width:300px;margin-top:16px}
    .footer-title{font-size:13px;font-weight:800;margin-bottom:15px;color:var(--lime)}
    .footer-links{display:flex;flex-direction:column;gap:8px}
    .footer-links a{font-size:13px;color:#aeb9ad;transition:.2s}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #ffffff18;margin-top:45px;padding-top:18px;color:#89968a;font-size:12px}
    :focus-visible{outline:3px solid var(--orange);outline-offset:4px}
    @media(max-width:900px){
      .nav{gap:16px}.intro-grid,.download-panel{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}
      .steps{grid-template-columns:repeat(2,1fr)}.spec-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header{height:68px}.menu-toggle{display:block;order:2}.header-download{order:3;padding:10px 14px;font-size:12px}
      .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:15px 20px 22px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;box-shadow:0 12px 24px #20252212}
      .nav.open{display:flex}.nav a{padding:12px 0}.nav a:after{bottom:5px}
      .brand{font-size:16px}.brand-mark{width:32px;height:32px}
      .page-intro{padding:55px 0}.intro-card{max-width:430px}.section{padding:62px 0}
      .section-head,.cta-inner{display:block}.section-intro{margin-top:14px}.cta .btn{margin-top:25px}
      .download-panel{padding:28px 22px}.phone-card{margin:15px auto 0}
      .faq-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-bottom:6px}
    }
    @media(max-width:480px){
      h1{font-size:39px}.feature-grid,.steps{grid-template-columns:1fr}.spec-grid{grid-template-columns:1fr 1fr}
      .spec{padding:18px 14px}.spec strong{font-size:22px}.panel-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.intro-copy{font-size:15px}
    }

/* roulang page: category2 */
:root{
      --ink:#202522;
      --muted:#707871;
      --soft:#f3f5f0;
      --paper:#fbfcf8;
      --line:#dfe5dc;
      --lime:#b9ef45;
      --lime-deep:#88c72b;
      --orange:#ff8c5a;
      --dark:#202722;
      --dark-2:#2d3730;
      --white:#fff;
      --radius:16px;
      --shadow:0 14px 35px rgba(32,37,34,.08);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit;border:0;cursor:pointer}
    :focus-visible{outline:3px solid var(--orange);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:rgba(251,252,248,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:var(--lime);position:relative;overflow:hidden;display:grid;place-items:center}
    .brand-mark:before{content:"";width:20px;height:20px;border:3px solid var(--dark);border-left-color:transparent;border-radius:50%;transform:rotate(-35deg)}
    .brand-mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--dark);right:6px;top:7px}
    .nav{display:flex;align-items:center;gap:28px;margin-left:auto}
    .nav a{color:#5f6861;font-size:14px;font-weight:650;padding:27px 0;position:relative;transition:.2s}
    .nav a:after{content:"";height:3px;width:0;background:var(--lime-deep);position:absolute;bottom:17px;left:0;border-radius:5px;transition:.2s}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a:hover:after,.nav a.active:after{width:100%}
    .header-download,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-size:14px;font-weight:800;transition:transform .2s,background .2s,box-shadow .2s}
    .header-download{background:var(--dark);color:var(--white);padding:12px 19px}
    .header-download:hover{background:#111711;transform:translateY(-2px);box-shadow:0 8px 18px #20272225}
    .menu-toggle{display:none;background:none;font-size:24px;color:var(--ink)}
    .page-hero{background:var(--dark);color:var(--white);padding:76px 0 70px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:480px;height:480px;border:1px solid #b9ef4530;border-radius:50%;right:-110px;top:-190px}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:18px}
    .eyebrow i{width:8px;height:8px;background:var(--orange);border-radius:50%}
    .page-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:-.07em;margin:0 0 22px;max-width:720px}
    .hero-copy{font-size:17px;color:#c4ccc3;max-width:650px;margin:0}
    .hero-note{border-left:1px solid #b9ef4570;padding:20px 0 20px 28px;color:#c8d1c7}
    .hero-note strong{display:block;color:var(--lime);font-size:32px;line-height:1;margin-bottom:10px}
    .hero-note span{font-size:14px}
    .section{padding:82px 0}
    .section.alt{background:var(--soft)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
    .section h2{font-size:clamp(28px,3vw,42px);line-height:1.18;letter-spacing:-.055em;margin:0}
    .section-intro{color:var(--muted);max-width:510px;font-size:15px;margin:0}
    .crumbs{padding:24px 0 0;color:var(--muted);font-size:13px}
    .crumbs a:hover{color:var(--lime-deep)}
    .topic-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
    .topic-nav a,.tag{display:inline-flex;align-items:center;border-radius:999px;padding:7px 13px;background:var(--white);border:1px solid var(--line);font-size:12px;font-weight:750;transition:.2s}
    .topic-nav a:hover,.topic-nav a.current{background:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
    .content-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:28px}
    .feature-card{background:var(--dark);color:var(--white);border-radius:var(--radius);padding:34px;min-height:350px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
    .feature-card:before{content:"赛事动态";position:absolute;top:26px;right:28px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.12em}
    .feature-card:after{content:"";position:absolute;width:230px;height:230px;border:1px solid #b9ef4535;border-radius:50%;right:-70px;bottom:-100px}
    .feature-card h3{position:relative;z-index:1;font-size:30px;line-height:1.28;margin:0 0 13px;max-width:600px}
    .feature-card p{position:relative;z-index:1;color:#c3ccc2;font-size:14px;max-width:580px;margin:0 0 22px}
    .feature-meta{position:relative;z-index:1;color:var(--lime);font-size:12px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:92px 1fr 24px;gap:15px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);transition:.2s}
    .news-item:hover{padding-left:8px}
    .news-item:hover h3{color:var(--lime-deep)}
    .news-date{font-size:12px;color:var(--muted)}
    .news-item h3{font-size:16px;line-height:1.4;margin:0 0 4px;transition:.2s}
    .news-item p{font-size:12px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .arrow{font-size:20px;color:var(--orange)}
    .empty-state{padding:28px 0;color:var(--muted);font-size:14px;border-bottom:1px solid var(--line)}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .timeline-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:23px;position:relative;transition:.2s}
    .timeline-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9dbbf}
    .timeline-card:before{content:"";display:block;width:9px;height:9px;border-radius:50%;background:var(--orange);margin-bottom:20px}
    .timeline-card time{display:block;color:var(--muted);font-size:12px;margin-bottom:8px}
    .timeline-card h3{font-size:19px;line-height:1.35;margin:0 0 9px}
    .timeline-card p{font-size:13px;color:var(--muted);margin:0}
    .status{display:inline-flex;border-radius:999px;padding:4px 9px;background:#edf8d9;color:#557f18;font-size:11px;font-weight:800;margin-top:16px}
    .schedule-wrap{overflow-x:auto;padding-bottom:8px}
    .schedule{min-width:760px;border-top:2px solid var(--dark)}
    .schedule-row{display:grid;grid-template-columns:110px 1.2fr 1fr 110px;gap:22px;align-items:center;padding:17px 14px;border-bottom:1px solid var(--line)}
    .schedule-row.head{font-size:12px;color:var(--muted);font-weight:800;background:#eef1eb}
    .schedule-row:not(.head):hover{background:#f0f7e8}
    .schedule-row strong{font-size:15px}
    .schedule-row span{font-size:13px;color:var(--muted)}
    .topic-grid{display:grid;grid-template-columns:1.25fr .85fr .85fr;gap:18px}
    .topic-card{min-height:220px;border-radius:14px;padding:24px;color:var(--white);display:flex;flex-direction:column;justify-content:end;overflow:hidden;position:relative;background:var(--dark)}
    .topic-card:nth-child(2){background:var(--orange);color:var(--ink)}
    .topic-card:nth-child(3){background:#a9d8a1;color:var(--ink)}
    .topic-card:before{content:"";position:absolute;width:170px;height:170px;border:1px solid #ffffff55;border-radius:50%;right:-45px;top:-55px}
    .topic-card h3,.topic-card p{position:relative;z-index:1}
    .topic-card h3{font-size:23px;line-height:1.25;margin:0 0 8px}
    .topic-card p{font-size:13px;margin:0;max-width:280px;opacity:.82}
    .observation{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;align-items:center}
    .data-block{background:var(--dark);color:var(--white);border-radius:var(--radius);padding:31px}
    .data-block small{color:var(--lime);font-weight:800}
    .data-block strong{display:block;font-size:58px;line-height:1.1;margin:17px 0 8px;letter-spacing:-.06em}
    .data-block p{color:#c4ccc3;font-size:13px;margin:0}
    .observation-copy h3{font-size:28px;line-height:1.3;margin:0 0 14px}
    .observation-copy p{color:var(--muted);margin:0 0 18px}
    .trend-list{display:grid;gap:12px}
    .trend{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
    .trend b{width:34px;height:34px;border-radius:10px;background:var(--lime);display:grid;place-items:center}
    .trend span{font-size:14px}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq-item{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:19px 22px}
    .faq-item summary{cursor:pointer;font-weight:800;font-size:15px}
    .faq-item p{color:var(--muted);font-size:13px;margin:13px 0 0}
    .cta{background:var(--orange);padding:54px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:clamp(28px,4vw,46px);line-height:1.15;margin:0 0 10px;letter-spacing:-.06em}
    .cta p{margin:0;color:#543b31}
    .btn-primary{background:var(--lime);color:var(--dark);padding:14px 23px}
    .btn-primary:hover{background:#cffb70;transform:translateY(-2px);box-shadow:0 10px 22px #b9ef4540}
    .btn-dark{background:var(--dark);color:var(--white);padding:14px 23px}
    .btn-dark:hover{background:#111711;transform:translateY(-2px)}
    .site-footer{background:var(--dark);color:var(--white);padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:42px}
    .footer-brand p{color:#aeb9ad;max-width:310px;font-size:13px;margin:17px 0 0}
    .footer-title{font-weight:800;font-size:14px;margin-bottom:15px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#aeb9ad;font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--lime)}
    .copyright{border-top:1px solid #ffffff1c;margin-top:44px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#879287;font-size:12px}
    @media(max-width:1024px){
      .nav{gap:17px}
      .hero-inner,.content-layout,.observation{grid-template-columns:1fr}
      .hero-note{max-width:500px}
      .topic-grid{grid-template-columns:1fr 1fr}
      .topic-card:first-child{grid-column:1/-1}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .site-header{height:68px}
      .menu-toggle{display:block;order:2}
      .header-download{order:3;padding:10px 14px;font-size:12px}
      .nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--paper);border-bottom:1px solid var(--line);padding:10px 17px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 12px 20px #20252212}
      .nav.open{display:flex}
      .nav a{padding:13px 0;border-bottom:1px solid var(--line)}
      .nav a:after{bottom:0}
      .brand{font-size:15px}
      .brand-mark{width:32px;height:32px}
      .page-hero{padding:56px 0}
      .page-hero h1{font-size:42px}
      .timeline{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
      .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}
      .header-download{display:none}
      .page-hero h1{font-size:36px}
      .hero-copy{font-size:15px}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-intro{margin-top:14px}
      .content-layout{gap:18px}
      .feature-card{min-height:300px;padding:25px}
      .feature-card h3{font-size:25px}
      .news-item{grid-template-columns:70px 1fr 18px;gap:10px}
      .news-item h3{font-size:14px}
      .news-item p{font-size:11px}
      .topic-grid{grid-template-columns:1fr}
      .topic-card:first-child{grid-column:auto}
      .observation-copy h3{font-size:24px}
      .copyright{display:block;line-height:2}
      .copyright span{display:block}
    }

/* roulang page: category3 */
:root{
      --ink:#202522;
      --muted:#707871;
      --soft:#f3f5f0;
      --paper:#fbfcf8;
      --line:#dfe5dc;
      --lime:#b9ef45;
      --lime-deep:#88c72b;
      --orange:#ff8c5a;
      --dark:#202722;
      --dark-2:#2d3730;
      --white:#fff;
      --radius:16px;
      --shadow:0 14px 35px rgba(32,37,34,.08);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:rgba(251,252,248,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:var(--lime);position:relative;overflow:hidden;display:grid;place-items:center;flex:0 0 auto}
    .brand-mark:before{content:"";width:20px;height:20px;border:3px solid var(--dark);border-left-color:transparent;border-radius:50%;transform:rotate(-35deg)}
    .brand-mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--dark);right:6px;top:7px}
    .nav{display:flex;align-items:center;gap:28px;margin-left:auto}
    .nav a{color:#5f6861;font-size:14px;font-weight:650;padding:27px 0;position:relative;transition:.2s}
    .nav a:after{content:"";height:3px;width:0;background:var(--lime-deep);position:absolute;bottom:17px;left:0;border-radius:5px;transition:.2s}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a:hover:after,.nav a.active:after{width:100%}
    .header-download,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-size:14px;font-weight:800;transition:transform .2s,background .2s,box-shadow .2s,border-color .2s}
    .header-download{background:var(--dark);color:var(--white);padding:12px 19px;white-space:nowrap}
    .header-download:hover{background:#111711;transform:translateY(-2px);box-shadow:0 8px 18px #20272225}
    .menu-toggle{display:none;background:none;font-size:24px;color:var(--ink)}
    .page-hero{background:var(--dark);color:var(--white);padding:62px 0 58px;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;width:470px;height:470px;border:1px solid rgba(185,239,69,.17);border-radius:50%;right:-120px;top:-240px}
    .page-hero:after{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(255,140,90,.27);border-radius:50%;right:18%;bottom:-220px}
    .crumbs{position:relative;z-index:1;display:flex;align-items:center;gap:9px;color:#b4bcb3;font-size:13px;margin-bottom:25px}
    .crumbs a{transition:color .2s}
    .crumbs a:hover{color:var(--lime)}
    .crumbs span{color:#738076}
    .page-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.18fr .82fr;gap:42px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:17px}
    .eyebrow i{width:8px;height:8px;background:var(--orange);border-radius:50%}
    h1,h2,h3,p{margin-top:0}
    .page-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:-.065em;margin:0 0 20px;max-width:760px}
    .page-hero p{color:#c2cbc1;font-size:16px;max-width:690px;margin:0}
    .hero-note{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);padding:20px 22px;border-radius:14px}
    .hero-note strong{display:block;color:var(--lime);font-size:13px;letter-spacing:.08em;margin-bottom:7px}
    .hero-note span{display:block;color:#d1d8d0;font-size:14px;line-height:1.65}
    main{overflow:hidden}
    .section{padding:84px 0}
    .section-soft{background:var(--soft)}
    .section-dark{background:var(--dark);color:var(--white)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
    .section-head h2{font-size:clamp(28px,3.2vw,43px);line-height:1.18;letter-spacing:-.055em;margin:0}
    .section-intro{color:var(--muted);max-width:530px;font-size:15px;margin:0}
    .section-dark .section-intro{color:#bec7bc}
    .tag-row{display:flex;gap:10px;flex-wrap:wrap}
    .tag{display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border-radius:999px;border:1px solid var(--line);background:var(--white);font-size:13px;font-weight:750;color:#4e5850}
    .tag.active{background:var(--lime);border-color:var(--lime);color:var(--dark)}
    .tag-dot{width:7px;height:7px;border-radius:50%;background:var(--orange)}
    .guide-index{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
    .index-card{padding:24px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);min-height:183px;position:relative;transition:transform .2s,box-shadow .2s,border-color .2s}
    .index-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7d5bc}
    .index-no{display:block;color:var(--orange);font-weight:900;font-size:13px;letter-spacing:.09em;margin-bottom:20px}
    .index-card h3{font-size:20px;letter-spacing:-.035em;margin-bottom:7px}
    .index-card p{font-size:14px;color:var(--muted);margin:0}
    .guide-layout{display:grid;grid-template-columns:.9fr 1.55fr;gap:28px;align-items:start}
    .side-panel{padding:28px;background:var(--dark);border-radius:var(--radius);color:var(--white);position:sticky;top:105px}
    .side-panel h2{font-size:28px;letter-spacing:-.05em;line-height:1.2;margin-bottom:15px}
    .side-panel p{color:#c0c9bf;font-size:14px;margin-bottom:25px}
    .guide-points{list-style:none;padding:0;margin:0;border-top:1px solid rgba(255,255,255,.15)}
    .guide-points li{display:flex;gap:12px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.15);font-size:14px;color:#e6ebe4}
    .guide-points b{color:var(--lime);font-size:12px;min-width:24px}
    .faq-stack{display:flex;flex-direction:column;gap:12px}
    .faq-item{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
    .faq-item[open]{border-color:#b8cfaa;box-shadow:0 10px 25px rgba(32,37,34,.06)}
    .faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;font-size:16px;font-weight:800;line-height:1.45}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--soft);font-size:21px;font-weight:400;flex:0 0 auto;transition:transform .2s,background .2s}
    .faq-item[open] summary:after{content:"−";background:var(--lime)}
    .faq-answer{padding:0 22px 21px;color:var(--muted);font-size:14px}
    .faq-answer p{margin:0 0 12px}
    .article-link{display:inline-flex;align-items:center;gap:7px;color:var(--ink);font-weight:800;font-size:13px;border-bottom:1px solid var(--ink);padding-bottom:3px;transition:.2s}
    .article-link:hover{color:var(--lime-deep);border-color:var(--lime-deep)}
    .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step-card{background:var(--white);border:1px solid var(--line);border-radius:15px;padding:24px 21px;min-height:205px;position:relative}
    .step-card:before{content:"";width:38px;height:4px;border-radius:5px;background:var(--lime);display:block;margin-bottom:21px}
    .step-num{font-size:12px;font-weight:900;color:var(--orange);letter-spacing:.1em}
    .step-card h3{font-size:19px;line-height:1.3;letter-spacing:-.035em;margin:12px 0 8px}
    .step-card p{font-size:14px;color:var(--muted);margin:0}
    .security-band{padding:42px;border-radius:20px;background:var(--dark-2);display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:center;position:relative;overflow:hidden}
    .security-band:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(185,239,69,.18);border-radius:50%;right:-88px;bottom:-160px}
    .security-band h2{font-size:32px;line-height:1.2;letter-spacing:-.05em;margin:0}
    .security-list{position:relative;z-index:1;display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
    .security-list div{padding:14px 15px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:12px;color:#dce3da;font-size:14px}
    .security-list b{display:block;color:var(--lime);font-size:13px;margin-bottom:3px}
    .resource-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
    .resource-feature{background:var(--dark);color:var(--white);border-radius:var(--radius);padding:32px;min-height:310px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}
    .resource-feature:before{content:"移动端内容";position:absolute;right:25px;top:22px;color:var(--lime);font-size:12px;font-weight:900;letter-spacing:.12em}
    .resource-feature:after{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(255,255,255,.13);border-radius:50%;left:-70px;top:-100px}
    .resource-feature .meta{position:relative;z-index:1;color:var(--orange);font-size:12px;font-weight:800}
    .resource-feature h3{position:relative;z-index:1;font-size:29px;line-height:1.3;letter-spacing:-.045em;margin:13px 0}
    .resource-feature p{position:relative;z-index:1;color:#bfcbbe;font-size:14px;margin:0 0 19px;max-width:540px}
    .resource-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:4px 23px}
    .resource-item{display:grid;grid-template-columns:1fr auto;gap:15px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .resource-item:last-child{border-bottom:0}
    .resource-item h3{font-size:16px;line-height:1.4;margin:0 0 4px;transition:color .2s}
    .resource-item:hover h3{color:var(--lime-deep)}
    .resource-item p{font-size:12px;color:var(--muted);margin:0}
    .arrow{font-size:22px;color:var(--orange)}
    .updates-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .update-card{background:var(--white);border:1px solid var(--line);border-radius:15px;padding:23px;transition:transform .2s,box-shadow .2s}
    .update-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .update-meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;margin-bottom:14px}
    .update-meta .tag{padding:4px 9px;font-size:11px}
    .update-card h3{font-size:18px;line-height:1.42;letter-spacing:-.03em;margin-bottom:9px;transition:color .2s}
    .update-card:hover h3{color:var(--lime-deep)}
    .update-card p{color:var(--muted);font-size:13px;margin:0 0 16px}
    .empty-state{grid-column:1/-1;padding:38px;text-align:center;background:var(--white);border:1px dashed #bcc8b7;border-radius:var(--radius);color:var(--muted);font-size:14px}
    .cta-section{padding:84px 0}
    .cta-box{background:var(--orange);border-radius:22px;padding:48px 54px;display:flex;justify-content:space-between;align-items:center;gap:35px;overflow:hidden;position:relative}
    .cta-box:after{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(255,255,255,.42);border-radius:50%;right:-70px;top:-205px}
    .cta-box h2{font-size:clamp(29px,3.5vw,45px);line-height:1.16;letter-spacing:-.06em;max-width:630px;margin:0 0 12px;position:relative;z-index:1}
    .cta-box p{font-size:15px;color:#5b3b2d;max-width:570px;margin:0;position:relative;z-index:1}
    .btn-primary{background:var(--lime);color:var(--dark);padding:14px 23px;position:relative;z-index:1;white-space:nowrap}
    .btn-primary:hover{background:#d2fa78;transform:translateY(-2px);box-shadow:0 10px 22px rgba(77,111,24,.25)}
    .site-footer{background:var(--dark);color:var(--white);padding:64px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.55fr repeat(3,1fr);gap:44px}
    .footer-brand p{color:#aeb8ad;font-size:14px;max-width:310px;margin:17px 0 0}
    .footer-title{font-size:14px;font-weight:850;color:var(--lime);margin-bottom:15px}
    .footer-links{display:flex;flex-direction:column;gap:10px}
    .footer-links a{font-size:14px;color:#c1c9c0;transition:color .2s,transform .2s}
    .footer-links a:hover{color:var(--lime);transform:translateX(3px)}
    .copyright{margin-top:50px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:20px;color:#909b8f;font-size:12px}
    @media(max-width:1024px){
      .nav{gap:18px}
      .header-inner{gap:18px}
      .guide-layout{grid-template-columns:.8fr 1.4fr}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
      .footer-group:last-child{display:none}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header{height:68px}
      .header-inner{gap:12px}
      .brand{font-size:16px}
      .brand-mark{width:32px;height:32px;border-radius:10px}
      .menu-toggle{display:block;margin-left:auto;padding:6px}
      .nav{display:none;position:absolute;left:0;right:0;top:68px;padding:12px 22px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 16px 26px rgba(32,37,34,.1);margin:0}
      .nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}
      .nav a{padding:13px 0;font-size:15px}
      .nav a:after{bottom:6px}
      .header-download{padding:10px 14px;font-size:13px}
      .page-hero{padding:47px 0}
      .page-hero-grid,.resource-grid,.security-band{grid-template-columns:1fr}
      .hero-note{max-width:500px}
      .section{padding:65px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-intro{margin-top:13px}
      .guide-index,.steps-grid{grid-template-columns:repeat(2,1fr)}
      .guide-layout{grid-template-columns:1fr}
      .side-panel{position:static}
      .security-list{grid-template-columns:repeat(2,1fr)}
      .cta-box{padding:37px 32px;display:block}
      .cta-box .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
      .footer-brand{grid-column:1/-1}
      .copyright{flex-direction:column;gap:6px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}
      .header-download span{display:none}
      .header-download{padding:10px 12px}
      .page-hero h1{font-size:36px}
      .page-hero p{font-size:15px}
      .guide-index,.steps-grid,.updates-grid,.security-list{grid-template-columns:1fr}
      .section{padding:52px 0}
      .section-head h2{font-size:29px}
      .tag-row{gap:8px}
      .tag{font-size:12px;padding:7px 11px}
      .faq-item summary{padding:18px 17px;font-size:15px}
      .faq-answer{padding:0 17px 18px}
      .resource-feature{padding:25px;min-height:280px}
      .resource-feature h3{font-size:24px}
      .resource-list{padding:3px 17px}
      .cta-section{padding:58px 0}
      .cta-box{padding:31px 24px}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .footer-brand{grid-column:auto}
      .footer-group:last-child{display:block}
    }