/* roulang page: index */
:root{
 --ink:#10233f;--muted:#6d7c93;--blue:#2867f0;--navy:#0d1d38;--cyan:#2bc4d7;
 --pale:#f3f7fc;--line:#dfe8f3;--white:#fff;--orange:#ff7657;
 --radius:22px;--shadow:0 18px 50px rgba(20,54,98,.10);--soft-shadow:0 8px 25px rgba(20,54,98,.08)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
a{text-decoration:none;color:inherit;transition:.25s ease}
img{max-width:100%;display:block}
button,input{font:inherit}
.container{max-width:1180px}
.site-shell{min-height:100vh}
.side-nav{position:fixed;z-index:20;top:0;left:0;width:238px;height:100vh;padding:34px 24px;background:var(--navy);color:#d8e5fa;display:flex;flex-direction:column;box-shadow:8px 0 30px rgba(9,27,55,.12)}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:800;letter-spacing:-.5px;margin-bottom:55px}
.brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(145deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#fff;font-size:16px;box-shadow:0 8px 18px rgba(43,196,215,.28)}
.nav-caption{font-size:11px;color:#7d91b0;letter-spacing:2px;margin-bottom:14px}
.side-nav ul{list-style:none;margin:0;padding:0}
.side-nav li{margin:6px 0}
.side-nav a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:13px;color:#aebed7;font-size:14px}
.side-nav a:hover,.side-nav a.active{color:#fff;background:rgba(255,255,255,.1)}
.side-nav a.active{box-shadow:inset 3px 0 var(--cyan)}
.nav-dot{width:6px;height:6px;border-radius:50%;background:#5c7294}
.side-nav a.active .nav-dot{background:var(--cyan);box-shadow:0 0 0 5px rgba(43,196,215,.12)}
.nav-note{margin-top:auto;padding:17px;border:1px solid rgba(255,255,255,.12);border-radius:16px;color:#aebed7;font-size:12px}
.nav-note strong{display:block;color:#fff;font-size:15px;margin-bottom:4px}
.main-wrap{margin-left:238px}
.hero{min-height:650px;padding:86px 0 74px;position:relative;display:flex;align-items:center;background-image:linear-gradient(90deg,rgba(8,24,49,.93) 0%,rgba(11,35,71,.78) 48%,rgba(15,46,84,.35) 100%),url('/assets/images/aac77909e8ca4560.jpg');background-position:center;background-size:cover;color:#fff;overflow:hidden}
.hero:after{content:"";position:absolute;right:8%;bottom:-130px;width:400px;height:400px;border:1px solid rgba(102,224,235,.25);border-radius:50%;box-shadow:0 0 0 35px rgba(102,224,235,.04),0 0 0 70px rgba(102,224,235,.03)}
.kicker,.eyebrow{font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700;color:var(--cyan)}
.hero h1{max-width:780px;font-size:clamp(40px,5vw,70px);line-height:1.12;letter-spacing:-2px;margin:18px 0 22px;font-weight:850}
.hero p{max-width:700px;color:#d9e7f8;font-size:17px;margin-bottom:30px}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap}
.btn-main,.btn-lightline{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 22px;font-weight:700;border:1px solid transparent}
.btn-main{background:var(--cyan);color:#09203d;box-shadow:0 10px 25px rgba(43,196,215,.22)}
.btn-main:hover{background:#59dbe8;color:#09203d;transform:translateY(-2px)}
.btn-lightline{border-color:rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.08)}
.btn-lightline:hover{background:#fff;color:var(--navy)}
.hero-metrics{display:flex;gap:35px;margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.18)}
.hero-metrics strong{display:block;font-size:25px;color:#fff;line-height:1.2}
.hero-metrics span{color:#a9bdd7;font-size:12px}
.section{padding:94px 0}
.section.alt{background:var(--pale)}
.section.dark{background:var(--navy);color:#fff}
.section-head{max-width:700px;margin-bottom:38px}
.section-head h2{font-size:clamp(28px,3.3vw,43px);line-height:1.25;letter-spacing:-1px;margin:10px 0 15px;font-weight:800}
.section-head p{color:var(--muted);font-size:15px;margin:0}
.dark .section-head p{color:#a9bdd7}
.stat-strip{margin-top:-42px;position:relative;z-index:3}
.stat-panel{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:25px;display:flex;justify-content:space-around;gap:20px}
.stat-item{text-align:center;flex:1;border-right:1px solid var(--line)}
.stat-item:last-child{border:0}
.stat-item strong{display:block;color:var(--blue);font-size:30px;line-height:1.2}
.stat-item span{color:var(--muted);font-size:13px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature-card,.case-card,.news-card,.local-panel,.contact-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow)}
.feature-card{padding:26px;min-height:220px}
.feature-card:hover,.case-card:hover,.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.icon-box{width:44px;height:44px;border-radius:13px;background:#e9f8fa;color:#0c9eaf;display:grid;place-items:center;font-weight:800;font-size:19px;margin-bottom:20px}
.feature-card h3{font-size:19px;margin:0 0 10px}
.feature-card p,.case-card p,.news-card p{font-size:13px;color:var(--muted);margin:0}
.scene-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;grid-template-rows:210px 210px;gap:18px}
.scene-card{position:relative;overflow:hidden;border-radius:var(--radius);min-height:180px;background-size:cover;background-position:center;color:#fff;padding:25px;display:flex;flex-direction:column;justify-content:end}
.scene-card:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,20,42,.9),transparent 75%)}
.scene-card>*{position:relative}
.scene-card:first-child{grid-row:span 2}
.scene-card h3{font-size:22px;margin:0 0 5px}
.scene-card p{font-size:13px;margin:0;color:#d9e7f8}
.local-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:50px;align-items:center}
.local-panel{padding:31px}
.local-list{list-style:none;padding:0;margin:0}
.local-list li{display:flex;gap:15px;padding:16px 0;border-bottom:1px solid var(--line);font-size:14px}
.local-list li:last-child{border:0}
.check{color:var(--blue);font-weight:900}
.split-image{border-radius:26px;overflow:hidden;min-height:390px;position:relative;box-shadow:var(--shadow)}
.split-image img{height:100%;width:100%;object-fit:cover}
.split-image .image-caption{position:absolute;left:25px;right:25px;bottom:22px;color:#fff;font-size:21px;font-weight:700;text-shadow:0 2px 8px #000}
.app-band{background:linear-gradient(120deg,#e9f9fb,#edf3ff);border:1px solid #d7ebf2;border-radius:28px;padding:48px;display:grid;grid-template-columns:1.3fr .7fr;align-items:center;gap:30px}
.app-band h2{font-size:35px;line-height:1.3;margin:10px 0}
.app-band p{color:var(--muted);max-width:650px}
.platforms{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.platforms span,.tag{padding:7px 12px;background:#fff;border:1px solid var(--line);border-radius:30px;font-size:12px;color:var(--ink)}
.live-board{background:#102848;border-radius:25px;padding:28px;color:#fff;box-shadow:var(--shadow)}
.live-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.15)}
.live-dot{color:#6cf0c0;font-size:12px}.live-dot i{display:inline-block;width:7px;height:7px;background:#6cf0c0;border-radius:50%;margin-right:6px}
.match{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;text-align:center;gap:10px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.match:last-child{border:0;padding-bottom:3px}.match small{color:#8fa6c4;font-size:11px}.match strong{display:block;font-size:14px}.score{font-size:22px;color:var(--cyan);font-weight:800}
.timeline{border-left:2px solid #c8e1ee;margin:25px 0 0 12px;padding-left:28px}
.timeline-item{position:relative;padding-bottom:25px}.timeline-item:before{content:"";position:absolute;left:-36px;top:8px;width:13px;height:13px;border-radius:50%;background:var(--blue);border:3px solid #dceaff}
.timeline-item h3{font-size:17px;margin:0 0 5px}.timeline-item p{font-size:13px;color:var(--muted);margin:0}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{overflow:hidden}.case-card img{height:180px;width:100%;object-fit:cover}.case-body{padding:23px}.case-body h3{font-size:18px;margin:0 0 8px}.case-meta{font-size:12px;color:var(--blue);font-weight:700;margin-bottom:10px}
.news-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:20px}.news-card{overflow:hidden}.news-card img{height:165px;width:100%;object-fit:cover}.news-card:first-child img{height:215px}.news-body{padding:21px}.news-body h3{font-size:18px;line-height:1.45;margin:0 0 9px}.news-date{font-size:11px;color:#95a3b7;margin-bottom:7px}
.partner-row{display:flex;flex-wrap:wrap;gap:12px}.partner{padding:16px 22px;border-radius:13px;border:1px solid var(--line);background:#fff;color:#52647c;font-weight:700;font-size:14px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;margin-bottom:10px}.accordion-button{font-weight:700;color:var(--ink);background:#fff;box-shadow:none!important}.accordion-button:not(.collapsed){color:var(--blue);background:#f5f9ff}.accordion-body{font-size:13px;color:var(--muted);background:#fff}
.contact-section{padding:82px 0;background:#eef5ff}.contact-panel{padding:40px;text-align:center}.contact-panel h2{font-size:34px;margin:8px 0 12px}.contact-panel p{max-width:680px;margin:0 auto 25px;color:var(--muted)}
footer{background:#091a33;color:#a8bbd4;padding:45px 0 25px}.footer-grid{display:flex;justify-content:space-between;gap:30px}.footer-brand{color:#fff;font-size:20px;font-weight:800}.footer-grid p{font-size:13px;max-width:390px}.footer-links{display:flex;gap:22px;font-size:13px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:20px;font-size:12px;color:#7187a5}
:focus-visible{outline:3px solid rgba(43,196,215,.55);outline-offset:3px}
@media(max-width:1100px){.side-nav{width:205px}.main-wrap{margin-left:205px}.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.side-nav{position:relative;width:100%;height:auto;padding:17px 20px;display:block}.brand{margin-bottom:15px}.nav-caption,.nav-note{display:none}.side-nav ul{display:flex;gap:5px;overflow-x:auto}.side-nav a{white-space:nowrap;padding:9px 12px}.main-wrap{margin-left:0}.hero{min-height:590px;padding:65px 0}.hero h1{font-size:43px}.hero-metrics{gap:15px}.stat-strip{margin-top:-25px}.stat-panel{flex-wrap:wrap}.stat-item{min-width:40%}.scene-grid{grid-template-columns:1fr 1fr;grid-template-rows:210px 180px}.scene-card:first-child{grid-row:span 2}.local-layout,.app-band{grid-template-columns:1fr}.case-grid,.news-grid{grid-template-columns:1fr 1fr}.news-card:first-child{grid-column:span 2}.faq-grid{grid-template-columns:1fr}}
@media(max-width:520px){.section{padding:65px 0}.hero h1{font-size:36px;letter-spacing:-1px}.hero p{font-size:15px}.hero-metrics{flex-wrap:wrap}.hero-metrics div{min-width:42%}.feature-grid,.case-grid,.news-grid{grid-template-columns:1fr}.news-card:first-child{grid-column:auto}.scene-grid{display:block}.scene-card{min-height:190px;margin-bottom:14px}.app-band{padding:28px}.app-band h2{font-size:27px}.stat-panel{padding:18px}.stat-item{min-width:45%;padding:8px}.stat-item strong{font-size:23px}.footer-grid{display:block}.footer-links{margin-top:20px;flex-wrap:wrap}.contact-panel{padding:28px 20px}}

/* roulang page: category1 */
:root{
 --ink:#10233f;--muted:#6d7c93;--blue:#2867f0;--navy:#0d1d38;--cyan:#2bc4d7;
 --pale:#f3f7fc;--line:#dfe8f3;--white:#fff;--orange:#ff7657;
 --radius:22px;--shadow:0 18px 50px rgba(20,54,98,.10);--soft-shadow:0 8px 25px rgba(20,54,98,.08)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
a{text-decoration:none;color:inherit;transition:.25s ease}
img{display:block;max-width:100%}
button,input{font:inherit}
.container{max-width:1180px}
.side-nav{position:fixed;z-index:20;top:0;left:0;width:238px;height:100vh;padding:34px 24px;background:var(--navy);color:#d8e5fa;display:flex;flex-direction:column;box-shadow:8px 0 30px rgba(9,27,55,.12)}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:800;letter-spacing:-.5px;margin-bottom:55px}
.brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(145deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#fff;font-size:16px;box-shadow:0 8px 18px rgba(43,196,215,.28)}
.nav-caption{font-size:11px;color:#7d91b0;letter-spacing:2px;margin-bottom:14px}
.side-nav ul{list-style:none;margin:0;padding:0}
.side-nav li{margin:6px 0}
.side-nav a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:13px;color:#aebed7;font-size:14px}
.side-nav a:hover,.side-nav a.active{color:#fff;background:rgba(255,255,255,.1)}
.side-nav a.active{box-shadow:inset 3px 0 var(--cyan)}
.nav-dot{width:6px;height:6px;border-radius:50%;background:#5c7294}
.side-nav a.active .nav-dot{background:var(--cyan);box-shadow:0 0 0 5px rgba(43,196,215,.12)}
.nav-note{margin-top:auto;padding:17px;border:1px solid rgba(255,255,255,.12);border-radius:16px;color:#aebed7;font-size:12px}
.nav-note strong{display:block;color:#fff;font-size:15px;margin-bottom:4px}
.main-wrap{margin-left:238px}
.hero-sub{min-height:590px;padding:75px 0;background:#eef5fc;position:relative;overflow:hidden}
.hero-sub:before{content:"";position:absolute;right:-130px;top:-160px;width:470px;height:470px;border:1px solid #cbdced;border-radius:50%;box-shadow:0 0 0 34px rgba(40,103,240,.04),0 0 0 70px rgba(40,103,240,.03)}
.eyebrow{font-size:12px;letter-spacing:2px;color:var(--blue);font-weight:800}
.hero-sub h1{font-size:clamp(38px,5vw,66px);line-height:1.12;letter-spacing:-2px;font-weight:850;margin:17px 0 22px;max-width:700px}
.hero-sub p{max-width:690px;color:var(--muted);font-size:17px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-main,.btn-outline{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 22px;font-weight:700;border:1px solid transparent}
.btn-main{background:var(--blue);color:#fff;box-shadow:0 10px 25px rgba(40,103,240,.2)}
.btn-main:hover{background:#174fca;color:#fff;transform:translateY(-2px)}
.btn-outline{color:var(--blue);border-color:#b8cbe5;background:#fff}
.btn-outline:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.cover-panel{position:relative;z-index:1;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:390px;background:#10233f}
.cover-panel img{height:390px;width:100%;object-fit:cover;opacity:.8}
.cover-panel:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,26,55,.9),transparent 65%)}
.cover-copy{position:absolute;z-index:2;left:26px;right:26px;bottom:25px;color:#fff}
.cover-copy h2{font-size:26px;line-height:1.3;margin:8px 0}
.cover-copy p{font-size:13px;color:#d8e5fa;margin:0}
.hot-badge{display:inline-block;padding:5px 10px;border-radius:30px;background:var(--orange);font-size:11px;font-weight:800}
.section{padding:88px 0}
.section.alt{background:var(--pale)}
.section.dark{background:var(--navy);color:#fff}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(28px,3.2vw,42px);line-height:1.25;letter-spacing:-1px;margin:10px 0 14px;font-weight:800}
.section-head p{color:var(--muted);font-size:15px;margin:0}
.dark .section-head p{color:#a9bdd7}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--soft-shadow);padding:27px 10px}
.stat-item{text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border:0}
.stat-item strong{display:block;color:var(--blue);font-size:30px;line-height:1.2}
.stat-item span{color:var(--muted);font-size:13px}
.topic-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.topic-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--soft-shadow)}
.topic-card img{width:100%;height:270px;object-fit:cover}
.topic-body{padding:26px}
.topic-body h3{font-size:23px;margin:0 0 10px}
.topic-body p{font-size:14px;color:var(--muted);margin:0}
.info-list{list-style:none;margin:0;padding:0}
.info-list li{display:flex;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}
.info-list li:last-child{border:0}
.info-no{color:var(--blue);font-weight:800;font-size:13px}
.info-list strong{display:block;font-size:15px}
.info-list span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.match-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.match-card{padding:24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--soft-shadow);transition:.25s}
.match-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.match-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.match-label{font-size:11px;color:var(--blue);font-weight:800;letter-spacing:1px}
.live-dot{font-size:11px;color:#e45847;background:#fff0ed;padding:5px 9px;border-radius:20px}
.match-card h3{font-size:19px;margin:0 0 8px}
.match-card p{font-size:13px;color:var(--muted);margin:0}
.timeline{border-left:2px solid #cddbf0;margin:8px 0 0 13px;padding-left:30px}
.timeline-item{position:relative;padding:0 0 27px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{content:"";position:absolute;left:-38px;top:6px;width:13px;height:13px;border-radius:50%;background:var(--blue);border:3px solid #dceaff}
.timeline-item h3{font-size:17px;margin:0 0 5px}
.timeline-item p{font-size:13px;color:var(--muted);margin:0}
.data-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:35px;align-items:center}
.data-box{padding:30px;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);background:rgba(255,255,255,.06)}
.data-box h3{font-size:24px;margin:0 0 13px}
.data-box p{color:#b7c9df;font-size:14px}
.meter{margin:21px 0}
.meter-head{display:flex;justify-content:space-between;font-size:13px;margin-bottom:7px}
.meter-track{height:8px;background:#243d61;border-radius:8px;overflow:hidden}
.meter-track i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--blue));border-radius:8px}
.faq-list{max-width:850px}
.accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;margin-bottom:12px;overflow:hidden}
.accordion-button{font-weight:700;color:var(--ink);background:#fff;box-shadow:none!important;padding:19px 22px}
.accordion-button:not(.collapsed){color:var(--blue);background:#f7faff}
.accordion-body{color:var(--muted);font-size:14px;padding:0 22px 20px}
.cta{padding:65px 0;background:linear-gradient(110deg,#0d1d38,#183c72);color:#fff}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:clamp(26px,3vw,39px);margin:0 0 9px}
.cta p{color:#bfd0e6;margin:0;max-width:680px}
footer{margin-left:238px;background:#09182f;color:#aebed7;padding:48px 0 22px}
.footer-grid{display:flex;justify-content:space-between;gap:30px;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:30px}
.footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px}
.footer-grid p{font-size:13px;max-width:460px;margin:0}
.footer-links{display:flex;gap:22px;align-items:flex-start;font-size:13px}
.footer-links a:hover{color:var(--cyan)}
.copyright{font-size:12px;padding-top:18px;color:#7f94b0}
:focus-visible{outline:3px solid rgba(43,196,215,.65);outline-offset:3px}
@media(max-width:1024px){
 .side-nav{width:205px}.main-wrap,footer{margin-left:205px}
 .topic-grid,.data-layout{grid-template-columns:1fr}
 .hero-sub{padding:60px 0}
}
@media(max-width:768px){
 .side-nav{position:relative;width:100%;height:auto;padding:18px 20px;display:block}
 .brand{margin-bottom:15px}.nav-caption{display:none}
 .side-nav ul{display:flex;gap:7px;overflow-x:auto}.side-nav li{margin:0;min-width:max-content}
 .side-nav a{padding:9px 12px}.nav-note{display:none}
 .main-wrap,footer{margin-left:0}
 .hero-sub{min-height:auto;padding:48px 0 55px}
 .hero-sub h1{letter-spacing:-1px}
 .cover-panel{margin-top:32px}.section{padding:64px 0}
 .stat-row{grid-template-columns:repeat(2,1fr);gap:20px}
 .stat-item:nth-child(2){border:0}
 .match-grid{grid-template-columns:1fr}
 .cta-box,.footer-grid{display:block}.footer-links{margin-top:25px}
}
@media(max-width:520px){
 .container{padding-left:20px;padding-right:20px}
 .hero-sub h1{font-size:39px}
 .hero-sub p{font-size:15px}
 .stat-row{padding:20px 8px}.stat-item strong{font-size:25px}
 .cover-panel,.cover-panel img{min-height:300px;height:300px}
 .topic-body{padding:21px}.cta{padding:48px 0}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}