/* roulang page: index */
:root{
  --primary:#2469F0;
  --primary-dark:#1E4EC2;
  --accent:#0FA38A;
  --accent-soft:#E4F5F1;
  --highlight:#F7B500;
  --bg:#F6F9FC;
  --bg-alt:#EAF1F8;
  --card:#FFFFFF;
  --border:#E7EDF3;
  --title:#152033;
  --text:#3E4A5A;
  --muted:#758295;
  --white:#FFFFFF;
  --success:#12A158;
  --warning:#E8A417;
  --error:#E04F5A;
  --info:#3B82F6;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 4px 16px rgba(21,32,51,0.05);
  --shadow-hover:0 12px 28px rgba(21,32,51,0.10);
  --transition:all 0.2s ease;
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Inter","PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;}
::selection{background:rgba(36,105,240,0.20);}
section,footer,header{position:relative;}

.section-pad{padding:80px 0;}
.section-label{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);
  background:rgba(36,105,240,0.08);padding:6px 14px;border-radius:999px;letter-spacing:0.2px;
}
h1,h2,h3,h4{color:var(--title);line-height:1.3;font-weight:700;}
h2{font-size:28px;letter-spacing:-0.3px;}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.section-head p{color:var(--muted);font-size:14px;margin-top:8px;max-width:560px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;
  border-radius:999px;font-size:14px;font-weight:600;border:1px solid transparent;
  transition:var(--transition);white-space:nowrap;line-height:1;outline:none;
}
.btn:focus-visible{outline:3px solid rgba(36,105,240,0.35);outline-offset:2px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(36,105,240,0.20);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(36,105,240,0.25);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;border-color:#D5DFEA;color:var(--title);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-outline:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--primary-dark);box-shadow:0 8px 24px rgba(0,0,0,0.12);}
.btn-light:hover{background:#f0f5ff;transform:translateY(-2px);}
.btn-dark{background:#0D1926;color:#fff;}
.btn-dark:hover{background:#243447;transform:translateY(-2px);}
.badge{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;line-height:1.6;
}
.badge-main{background:rgba(36,105,240,0.10);color:var(--primary);}
.badge-accent{background:rgba(15,163,138,0.12);color:#087A66;}
.badge-warning{background:rgba(247,181,0,0.15);color:#A97000;}

/* header */
.site-header{position:relative;z-index:100;background:#0D1926;color:#fff;}
.header-top{display:flex;align-items:center;justify-content:space-between;height:60px;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;line-height:1;}
.brand-logo{
  width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#2F7CF6,var(--primary));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:800;
  box-shadow:0 4px 10px rgba(36,105,240,0.3);
}
.brand-name{font-size:20px;font-weight:700;letter-spacing:0.3px;color:#fff;font-family:"Archivo","PingFang SC",sans-serif;}
.brand-name span{color:#5C93F8;font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;}
.search-box{position:relative;}
.search-inline{display:none;text-align:right;position:absolute;right:0;top:50px;background:#fff;border-radius:12px;padding:14px;box-shadow:0 18px 44px rgba(0,0,0,0.2);width:330px;z-index:50;}
.search-inline.open{display:block;}
.search-inline input{width:100%;height:40px;border:1px solid var(--border);border-radius:8px;padding:0 38px 0 14px;font-size:14px;color:var(--title);outline:none;transition:border 0.2s;}
.search-inline input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(36,105,240,0.12);}
.search-inline .search-btn{position:absolute;right:24px;top:17px;transform:translateY(-50%);border:none;background:transparent;color:var(--primary);font-size:16px;cursor:pointer;}
.hot-words{margin-top:10px;font-size:12px;color:var(--muted);display:flex;gap:6px;flex-wrap:wrap;align-items:center;}
.hot-words a{color:var(--muted);transition:color .2s;}
.hot-words a:hover{color:var(--primary);}
.icon-btn{
  width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,0.25);background:transparent;color:#fff;transition:var(--transition);font-size:14px;
}
.icon-btn:hover{border-color:rgba(255,255,255,0.6);background:rgba(255,255,255,0.12);}
.header-download{height:36px;padding:0 16px;font-size:13px;background:#fff;color:var(--primary-dark);border-radius:999px;display:inline-flex;align-items:center;gap:6px;font-weight:600;transition:var(--transition);}
.header-download:hover{background:#EAF1FA;transform:translateY(-1px);}
.header-nav{
  background:var(--bg-alt);border-top:1px solid rgba(255,255,255,0.08);
  transition:box-shadow .2s, background .2s;
}
.header-nav.is-sticky{position:fixed;top:0;left:0;right:0;z-index:90;background:rgba(234,241,248,0.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 4px 20px rgba(13,25,38,0.10);border-top:none;}
.header-nav.is-sticky .main-nav-list a{color:#33404F;}
.header-nav.is-sticky .main-nav-list a:hover{color:var(--primary);}
.header-nav.is-sticky .nav-hot a{color:#6a7684;}
.main-nav{display:flex;align-items:center;justify-content:space-between;height:48px;}
.main-nav-list{display:flex;list-style:none;gap:2px;}
.main-nav-list a{
  display:block;padding:7px 14px;border-radius:999px;font-size:14px;color:#233247;font-weight:600;transition:var(--transition);line-height:1.4;
}
.main-nav-list a:hover,.main-nav-list a.active{background:rgba(36,105,240,0.12);color:var(--primary);}
.nav-hot{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);}
.nav-hot .dot{width:3px;height:3px;border-radius:50%;background:var(--muted);opacity:0.6;}
.nav-hot a:hover{color:var(--primary);}
.nav-toggle{display:none;background:none;border:none;color:#233247;width:36px;height:36px;align-items:center;justify-content:center;border-radius:8px;cursor:pointer;font-size:18px;}
.mobile-nav{
  display:none;flex-direction:column;gap:8px;background:var(--bg-alt);padding:16px 0;list-style:none;
  border-top:1px solid var(--border);
}
.mobile-nav li a{display:block;padding:10px 20px;color:var(--title);font-weight:600;border-radius:8px;}
.mobile-nav li a.active,
.mobile-nav li a:hover{background:rgba(36,105,240,0.08);color:var(--primary);}
.mobile-nav.open{display:flex;}

/* hero */
.hero{
  background:url('/assets/images/backpic/back-1.png') right center / cover no-repeat,var(--bg-alt);
  position:relative;
}
.hero::before{
  content:'';position:absolute;inset:0;background:linear-gradient(100deg,var(--bg-alt) 0%,rgba(255,255,255,0.98) 45%,rgba(255,255,255,0.3) 100%);
}
.hero-inner{display:grid;grid-template-columns:1.04fr 0.96fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:64px;}
.hero-copy{position:relative;z-index:2;}
.hero h1{font-size:42px;line-height:1.22;letter-spacing:-0.7px;margin:20px 0 18px;}
.hero h1 .highlight{color:var(--primary);}
.hero-desc{color:var(--text);font-size:16px;line-height:1.8;margin-bottom:28px;} 
.hero-meta{display:flex;align-items:center;gap:10px;margin-top:26px;flex-wrap:wrap;}
.platform-icons{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px;}
.platform-icons i{font-size:17px;color:#55657D;}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;}
.hero-tags{display:flex;gap:10px;margin-bottom:10px;}
.hero-visual{position:relative;z-index:2;}
.hero-card{
  border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 22px 55px rgba(13,25,38,0.14);
  border:1px solid rgba(255,255,255,0.7);
}
.hero-card img{width:100%;height:auto;max-height:390px;object-fit:cover;}
.hero-card-cap{padding:14px 18px;display:flex;justify-content:space-between;font-size:13px;color:var(--muted);background:#fff;border-top:1px solid var(--border);}
.live-dots{font-size:13px;color:var(--accent);font-weight:600;}
.hero-stat{margin-top:22px;display:flex;gap:18px;flex-wrap:wrap;justify-content:center;}
.hero-stat .item{text-align:center;background:rgba(255,255,255,0.75);border-radius:10px;padding:6px 18px;}
.hero-stat .num{font-size:16px;font-weight:700;color:var(--title);}
.hero-stat .txt{font-size:12px;color:var(--muted);}

/* match ticker */
.match-ticker{background:#0D1926;color:#fff;}
.match-ticker-inner{padding:18px 0;display:flex;justify-content:space-between;gap:28px;overflow-x:auto;scrollbar-width:none;}
.match-ticker-inner::-webkit-scrollbar{display:none;}
.tk-item{display:flex;gap:16px;align-items:center;flex-shrink:0;}
.tk-league{font-size:12px;color:#99AEC5;border:1px solid #26384E;border-radius:999px;padding:2px 9px;width:74px;text-align:center;}
.tk-game{font-size:14px;font-weight:600;color:#fff;white-space:nowrap;display:flex;align-items:center;gap:8px;}
.tk-score{margin:0 6px;color:var(--highlight);font-weight:800;font-size:16px;font-family:"Archivo",sans-serif;}
.tk-status{color:#A8B8C8;font-size:13px;}

/* feature strip */
.feature-strip{padding:40px 0;background:var(--bg);border-bottom:1px solid var(--border);}
.feature-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:18px;}
.feature-main,.feature-sub{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--border);box-shadow:var(--shadow);}
.feature-main h3{font-size:18px;margin:12px 0 10px;}
.feature-main p,.feature-sub p{font-size:13.5px;color:var(--muted);margin-top:6px;}
.feature-icon{width:44px;height:44px;border-radius:12px;background:rgba(36,105,240,0.10);display:flex;align-items:center;justify-content:center;font-size:21px;color:var(--primary);}
.feature-sub .feature-icon{background:rgba(15,163,138,0.10);color:var(--accent);}
.f-count{display:flex;gap:22px;margin-top:14px;}
.f-count .c-val{font-size:20px;font-weight:700;color:var(--title);font-family:Archivo,"PingFang SC",sans-serif;line-height:1.2;}
.f-count .c-lab{font-size:12px;color:var(--muted);}

/* live now board */
.live-board{padding:80px 0 70px;background:var(--bg-alt);}
.live-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;gap:16px;}
.live-top .live-title{display:flex;gap:12px;align-items:center;}
.live-dot{position:relative;width:10px;height:10px;border-radius:50%;background:var(--error);margin-right:8px;}
.live-dot:after{content:'';position:absolute;inset:-5px;border-radius:50%;animation:pulse-red 1.4s infinite;border:1px solid rgba(224,79,90,0.5);}
@keyframes pulse-red{0%{transform:scale(0.6);opacity:1;}100%{transform:scale(1.5);opacity:0;}}
.match-row{
  background:#fff;border-radius:12px;border:1px solid var(--border);padding:18px 22px;margin-bottom:14px;
  display:grid;grid-template-columns:110px 1fr 88px;align-items:center;gap:16px;transition:var(--transition);
}
.match-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.match-league{font-size:12px;color:var(--muted);}
.match-league span{background:#F0F5FB;padding:3px 10px;border-radius:999px;font-weight:600;color:#556880;display:inline-block;}
.match-team{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.t-name{font-weight:600;color:var(--title);}
.t-large{font-size:16px;}
.t-logo{width:14px;height:14px;background:rgba(36,105,240,0.2);border-radius:50%;}
.score-main{font-family:Archivo,"Inter",sans-serif;font-weight:800;font-size:19px;color:var(--title);letter-spacing:0.5px;}
.score-main b{color:var(--error);}
.match-status{font-size:12px;padding:4px 12px;border-radius:999px;text-align:center;background:rgba(15,163,138,0.1);color:var(--accent);font-weight:600;justify-self:end;}
.match-status.hot{background:rgba(247,181,0,0.15);color:#B47B00;}
.view-all{font-size:14px;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.view-all i{transition:transform .2s;}
.view-all:hover i{transform:translateX(4px);}

/* match info + schedule */
.schedule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.sch-card{border-radius:var(--radius);background:#fff;border:1px solid var(--border);padding:20px;box-shadow:var(--shadow);transition:var(--transition);}
.sch-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.sch-date{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;border-bottom:1px solid #EFF3F7;padding-bottom:12px;margin-bottom:13px;}
.sch-date b{font-size:20px;color:var(--title);font-family:Archivo,sans-serif;}
.sch-list{list-style:none;}
.sch-list li{display:flex;gap:10px;padding:5px 0;align-items:center;font-size:13.5px;color:#33404F;}
.sport-cat{
  width:28px;height:28px;flex:0 0 28px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:13px;background:rgba(36,105,240,0.09);color:var(--primary);
}

/* screenshot slider */
.slider-section{padding:75px 0;background:#fff;}
.slider-wrap{display:grid;grid-template-columns:210px 1fr 210px;gap:20px;align-items:center;}
.slider-feature-nav{display:flex;flex-direction:column;gap:8px;}
.slider-feature-nav .sp-item{
  border:1px solid transparent;background:transparent;text-align:left;font-size:13px;padding:11px 12px;border-radius:10px;
  color:var(--muted);transition:var(--transition);line-height:1.45;cursor:pointer;
}
.slider-feature-nav .sp-item b{font-size:14px;color:var(--title);display:block;font-weight:600;}
.slider-feature-nav .sp-item:hover{background:var(--bg);}
.slider-feature-nav .sp-item.active{border-color:var(--primary);background:rgba(36,105,240,0.06);color:var(--primary);}
.slider-feature-nav .sp-item.active b{color:var(--primary);}
.main-slider{background:linear-gradient(145deg,#F5F9FE,#EAF1F8);border-radius:20px;position:relative;overflow:hidden;padding:18px;box-shadow:inset 0 0 0 1px var(--border);}
.slider-frame{margin:0 auto;max-width:600px;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 22px 55px rgba(21,32,51,0.15);}
.slider-frame img{width:100%;height:350px;object-fit:cover;}
.slider-caption{background:#fff;padding:11px 16px;font-size:13px;color:var(--muted);border-top:1px solid var(--border);}
.slider-btn{
  width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--title);transition:var(--transition);
}
.slider-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
.slider-arrow{text-align:center;}
.hidden{display:none;}
.slider-indicator{display:flex;justify-content:center;gap:6px;margin-top:16px;}
.indi-dot{width:7px;height:7px;border-radius:50%;background:#C4D0DC;border:none;padding:0;transition:var(--transition);}
.indi-dot.active{background:var(--primary);width:24px;border-radius:999px;}
.slider-text-items{margin-top:12px;display:flex;justify-content:center;gap:8px;}
.slider-text-items span{font-size:13px;color:var(--muted);padding:3px 12px;border-radius:999px;background:var(--bg-alt);}

/* system requirement */
.req-section{background:var(--bg);}
.req-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.req-card{
  background:#fff;border-radius:var(--radius);padding:28px 18px;text-align:center;border:1px solid var(--border);
  box-shadow:var(--shadow);transition:var(--transition);
}
.req-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.req-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:18px;font-size:24px;display:flex;align-items:center;justify-content:center;}
.req-card h4{font-size:17px;margin-bottom:6px;}
.req-card .env{font-size:13px;color:var(--muted);}
.req-card .ver{margin-top:10px;}
.ic-blue{background:rgba(36,105,240,0.1);color:var(--primary);}
.ic-green{background:rgba(15,163,138,0.12);color:var(--accent);}
.ic-orange{background:rgba(247,181,0,0.14);color:#D89500;}
.ic-grey{background:rgba(59,130,246,0.10);color:#3B82F6;}
.ver-badge{font-size:12px;color:#3c4b5d;background:#F2F5F8;padding:2px 10px;border-radius:999px;}

/* review / rating */
.review-section{background:var(--bg-alt);}
.review-summary{display:flex;gap:30px;align-items:center;background:var(--white);border-radius:var(--radius);padding:28px 30px;border:1px solid var(--border);margin-top:55px;height:calc(100% - 55px);box-shadow:var(--shadow);}
.big-rating{text-align:center;min-width:130px;}
.big-rating .score{font-size:54px;letter-spacing:-1.5px;color:var(--title);line-height:1;font-family:Archivo,sans-serif;}
.big-rating .out-of{font-size:13px;color:var(--muted);}
.star-row{color:var(--highlight);font-size:15px;margin:6px 0;}
.r-text{font-size:13.5px;color:var(--muted);margin-top:5px;line-height:1.6;}
.review-main{display:grid;grid-template-columns:0.95fr 2.05fr;gap:20px;align-items:stretch;}
.review-cards{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;}
.review-column{display:flex;flex-direction:column;gap:16px;}
.review-column .u-card{margin-bottom:0;}
.review-column:nth-child(2){margin-top:35px;}
.u-card{
  background:#fff;border-radius:var(--radius);border:1px solid var(--border);padding:20px;flex:1;
  box-shadow:var(--shadow);border-left:3px solid rgba(36,105,240,0.3);
}
.u-card p{font-size:13.5px;color:#16243b;line-height:1.7;}
.u-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.u-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(145deg,var(--primary),#799CF6);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px;}
.u-name{font-size:14px;font-weight:600;color:var(--title);}
.u-date{display:block;font-size:12px;color:var(--muted);margin-top:2px;}
.u-source{color:var(--muted);font-size:12px;margin-left:auto;align-self:center;background:#F0F4F8;padding:2px 10px;border-radius:999px;}
.solid-star{color:var(--highlight);font-size:13px;letter-spacing:1px;}

/* timeline */
.event-section{background:#fff;}
.event-path{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;position:relative;padding-top:30px;}
.event-path.single{max-width:820px;margin:0 auto;}
.horizon-line{width:100%;height:1px;background:#E1E8EF;margin-top:6px;}
.single .horizon-line{margin-top:14px;}
.event-step{position:relative;flex:1;min-width:130px;}
.event-step .dot{
  position:absolute;top:8px;left:0;width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--primary);box-shadow:0 0 0 4px rgba(36,105,240,0.1);
}
.event-step .ev-content{margin-top:33px;}
.event-step .stage{font-size:12px;font-weight:700;color:var(--primary);display:block;letter-spacing:0.3px;}
.event-step h4{font-size:17px;font-weight:700;color:var(--title);margin:5px 0 6px;}
.event-step p{font-size:13.5px;color:var(--muted);}

/* news cms */
.news-section{background:#F5F8FC;border-top:1px solid var(--border);}
.news-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;
  transition:var(--transition);display:flex;flex-direction:column;height:100%;
  box-shadow:0 4px 14px rgba(21,32,51,0.04);
}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.news-thumb{position:relative;overflow:hidden;}
.news-thumb img{width:100%;height:179px;object-fit:cover;transition:transform 0.3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-cat{
  position:absolute;left:12px;top:12px;background:rgba(36,105,240,0.92);color:#fff;font-size:12px;
  padding:3px 11px;border-radius:999px;font-weight:500;
}
.news-body{padding:17px 17px 12px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:16px;line-height:1.55;color:var(--title);font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color 0.2s;font-family:inherit;}
.news-body h3:hover{color:var(--primary);}
.news-excerpt{color:var(--muted);font-size:13px;line-height:1.7;margin-top:9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:12px;color:var(--muted);padding-top:11px;border-top:1px solid #F0F3F7;}
.news-meta .meta-left{display:flex;align-items:center;gap:6px;}
.news-meta time{color:#8B99A8;}

/* download block */
.download-cta{
  background:linear-gradient(110deg,#0D1926 0%,#14283A 55%,#1B3550 100%);color:#fff;border-radius:0;
  padding:0;overflow:hidden;
}
.download-cta::before{
  background:url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  opacity:0.14;content:'';inset:0;position:absolute;
}
.download-inner{border-top:1px solid rgba(255,255,255,0.08);}
.download-content{display:grid;grid-template-columns:1.1fr 0.9fr;gap:44px;align-items:center;padding:62px 0;}
.download-copy h2{color:#fff;font-size:30px;margin-bottom:12px;}
.download-copy p{color:#AEC2D9;margin-bottom:24px;font-size:14.5px;}
.dl-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px;}
.dl-store{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:8px;}
.qr-panel{display:flex;flex-direction:column;justify-content:center;align-items:center;}
.qr-box{background:#fff;border-radius:16px;padding:16px;box-shadow:0 20px 45px rgba(0,0,0,0.25);text-align:center;width:auto;}
.qr-placeholder{
  width:139px;height:139px;background:var(--bg-alt);border-radius:10px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:8px;color:var(--title);font-weight:700;font-size:14px;margin:0 auto;
}
.qr-small-text{font-size:12px;color:var(--muted);margin-top:8px;}

/* faq */
.faq-section{background:var(--bg);}
.faq-note{font-size:13px;color:var(--muted);margin-top:18px;}
.faq-list{max-width:800px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;padding:10px 20px;margin-bottom:12px;
  font-size:15px;
}
.faq-item details summary{
  display:flex;align-items:center;justify-content:space-between;cursor:pointer;list-style:none;padding:12px 0;
  font-weight:600;color:var(--title);gap:10px;
}
.faq-item details summary::-webkit-details-marker{display:none;}
.faq-item details summary .ic{margin-left:auto;color:var(--muted);font-size:13px;transition:transform 0.2s;flex-shrink:0;width:24px;height:24px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;}
.faq-item details[open] summary .ic{transform:rotate(180deg);color:var(--primary);border-color:var(--primary);}
.faq-item details p{color:var(--muted);font-size:14px;padding:0 0 16px;line-height:1.8;}
.faq-item details:hover{border-color:#BDD1F5;}
.faq-tip{background:rgba(247,181,0,0.15);border-left:3px solid var(--highlight);padding:13px 18px;border-radius:8px;font-size:13.5px;color:#4A4436;margin-top:18px;}

/* about mini */
.about-strip{background:var(--bg-alt);}
.about-2col{display:grid;grid-template-columns:1.2fr 0.8fr;gap:20px;}
.text-plain h3{font-size:25px;margin-bottom:14px;}
.text-plain p{font-size:15px;line-height:1.9;color:var(--text);}
.check-list{list-style:none;display:flex;flex-direction:column;gap:9px;margin-top:14px;}
.check-list li{display:flex;gap:10px;align-items:center;font-size:14px;color:var(--title);}
.check-list li:before{content:"\2713";color:var(--accent);font-weight:800;font-size:14px;flex:0 0 auto;}
.side-info{display:flex;flex-direction:column;justify-content:center;gap:16px;}
.highlight-note{background:var(--highlight);color:#142433;padding:17px 20px;border-radius:12px;font-size:14px;line-height:1.7;}
.highlight-note b{display:block;font-size:16px;margin-top:4px;}
.plain-link{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;gap:5px;align-items:center;}

/* misc */
.media-band{padding:0;overflow:hidden;}
.media-band img{width:100%;height:230px;object-fit:cover;object-position:center;}
.vid-yellow{cursor:pointer;transition:transform .3s;}
.cta-banner{
  background:var(--primary);color:#fff;border-radius:16px;display:flex;flex-direction:column;align-items:center;
  justify-content:center;text-align:center;padding:44px 24px;
}
/* footer */
.site-footer{background:#0B1520;color:#A9B7C6;margin-top:0;font-size:14px;}
.footer-main{display:grid;grid-template-columns:1.3fr 0.7fr 0.8fr 1fr;gap:32px;padding:52px 0 40px;}
.footer-brand .brand-name{font-size:20px;}
.footer-brand p{font-size:13px;color:#7D93AA;line-height:1.85;margin-top:14px;max-width:260px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px;}
.footer-links a{font-size:13.5px;color:#95A9BD;transition:variable;}
.footer-links a{color:#95A9BD;transition:color .2s;}
.footer-links a:hover{color:var(--highlight);}
.footer-note{font-size:13px;line-height:1.75;color:#7A8FA5;}
.footer-taglist{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px;}
.footer-taglist a{font-size:12px;color:#7A8FA5;border:1px solid #22364A;border-radius:999px;padding:1px 10px;}
.footer-taglist a:hover{border-color:#3E7AE6;color:#fff;}
.footer-bottom{border-top:1px solid #162B3D;padding:16px 0;font-size:12px;color:#60798E;}
.footer-bottom-wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;}
.compliance-text{text-align:right;max-width:500px;}
.compliance-text span{font-size:12px;color:#5C7082;display:block;}
.footer-lang{display:flex;align-items:center;gap:14px;}
.footer-lang a{color:#7A8FA5;font-size:12px;}
.footer-lang a:hover{color:#fff;}

/* Float download */
.float-download{
  position:fixed;right:22px;bottom:22px;z-index:70;background:transparent;display:flex;align-items:flex-end;
  flex-direction:column;gap:10px;
}
.float-btn{
  background:var(--primary);color:#fff;width:50px;height:50px;border-radius:50%;align-items:center;
  justify-content:center;box-shadow:0 10px 20px rgba(36,105,240,0.35);display:flex;font-size:20px;
  border:none;
}
.float-btn span{font-size:14px;margin-left:-40px;opacity:0;visibility:hidden;color:#fff;font-weight:500;transition:var(--transition);background:var(--primary);padding:8px 15px;border-radius:999px;display:flex;align-items:center;}
.float-btn:hover{width:auto;border-radius:999px;padding:0 20px;}
.float-btn:hover span{opacity:1;visibility:visible;margin-left:8px;color:white;}

/* responsive area */
@media(max-width:1100px){
  .slider-wrap{grid-template-columns:1fr;}
  .slider-feature-nav,.slider-arrow{display:none;}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .feature-main{grid-column:span 2;}
}
@media(max-width:992px){
  .hero-inner{grid-template-columns:1fr;gap:30px;padding-top:40px;padding-bottom:40px;}
  .hero-visual{max-width:590px;}
  .schedule-grid{grid-template-columns:1fr 1fr;}
  .review-main{grid-template-columns:1fr;}
  .review-summary{margin-top:0;flex-direction:row;}
  .review-cards{grid-template-columns:1fr 1fr;}
  .review-column:nth-child(2){margin-top:0;}
  .review-column:nth-child(3){display:none;}
  .req-grid{grid-template-columns:1fr 1fr;}
  .download-content{grid-template-columns:1fr;}
  .qr-panel{flex-direction:row;justify-content:flex-start;gap:18px;}
}
@media(max-width:820px){
  .nav-links,.nav-hot{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-nav.is-sticky .main-nav-list{display:none;}
  .footer-main{grid-template-columns:1fr 1fr;}
  .match-row{grid-template-columns:1fr;padding:16px 18px;gap:10px;}
  .match-status{justify-self:start;}
  .about-2col{grid-template-columns:1fr;}
  .testimonial-inner{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;gap:12px;}
  .feature-main{grid-column:span 1;}
}
@media(max-width:760px){
  .hero h1{font-size:30px;letter-spacing:-0.2px;}
  .hero-desc{font-size:14.5px;}
  .download-content{padding:42px 0;}
  h2{font-size:22px;}
  .section-pad{padding:48px 0;}
  .schedule-grid{grid-template-columns:1fr;}
  .review-cards{grid-template-columns:1fr;}
  .review-column:nth-child(2),.review-column:nth-child(3){display:none;}
  .header-top{height:54px;}
  .brand-name{font-size:17px;}
  .brand-logo{width:31px;height:31px;font-size:15px;}
  .header-download{padding:0 12px;font-size:12px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:26px 16px;}
  .footer-note span{display:none;}
  .footer-bottom-wrap{flex-direction:column;align-items:flex-start;}
  .ft-bottom-right{margin-top:6px;}
  .media-band img{height:155px;}
  .event-path{flex-direction:column;gap:0;padding-left:18px;}
  .horizon-line{display:none;}
  .event-step{padding-bottom:20px;}
}

/* roulang page: category1 */
:root {
            --color-primary: #2469F0;
            --color-primary-dark: #1E4EC2;
            --color-secondary: #0FA38A;
            --color-accent: #F7B500;
            --color-bg: #F6F9FC;
            --color-card: #FFFFFF;
            --color-section-alt: #EAF1F8;
            --color-text-main: #152033;
            --color-text-body: #3E4A5A;
            --color-text-muted: #758295;
            --color-border: #E7EDF3;
            --color-white: #FFFFFF;
            --shadow-card: 0 4px 16px rgba(21, 32, 51, 0.05);
            --shadow-hover: 0 12px 28px rgba(21, 32, 51, 0.10);
            --radius-main: 14px;
            --radius-card: 12px;
            --radius-full: 999px;
            --container-width: 1180px;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text-body);
            font-size: 15px;
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(36, 105, 240, .35);
            outline-offset: 2px;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: 0 4px 12px rgba(21, 32, 51, .04);
            border-bottom: 1px solid var(--color-border);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 17px;
            font-weight: 700;
            transition: transform .2s ease;
        }
        .brand:hover .brand-logo {
            transform: translateY(-2px);
        }
        .brand-name {
            font-size: 21px;
            color: var(--color-text-main);
            font-weight: 650;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .brand-name b {
            color: var(--color-primary);
            font-weight: 800;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            transition: all .2s ease;
        }
        .icon-btn:hover {
            background: var(--color-bg);
            box-shadow: var(--shadow-card);
        }
        .header-download {
            background: var(--color-primary);
            color: var(--color-white) !important;
            border-radius: var(--radius-full);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 13.5px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .2s ease;
            border: 1px solid var(--color-primary);
        }
        .header-download:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
        }
        .header-download:active {
            transform: translateY(0);
        }
        .search-inline {
            display: none;
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }
        .search-inline.open {
            display: block;
        }
        .search-inline .container {
            max-width: var(--container-width);
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }
        .search-inline input {
            height: 42px;
            padding: 0 44px 0 16px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            width: 280px;
            max-width: 100%;
            font-size: 14px;
            background: var(--color-white);
            transition: all .2s ease;
        }
        .search-inline input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(36, 105, 240, .15);
        }
        .hot-words {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .hot-words a {
            color: var(--color-text-body);
        }
        .hot-words a:hover {
            color: var(--color-primary);
        }
        .header-nav {
            border-top: 1px solid var(--color-border);
            background: var(--color-white);
            position: sticky;
            top: 64px;
            z-index: 999;
            transition: top .2s ease;
        }
        .header-nav.scrolled {
            top: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .main-nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .main-nav-list::-webkit-scrollbar {
            display: none;
        }
        .main-nav-list li {
            list-style: none;
            flex-shrink: 0;
        }
        .main-nav-list a {
            display: block;
            padding: 11px 13px;
            color: var(--color-text-main);
            font-weight: 500;
            font-size: 14px;
            border-radius: var(--radius-full);
            transition: all .2s ease;
            border: 1px solid transparent;
        }
        .main-nav-list a i {
            margin-right: 6px;
        }
        .main-nav-list a:hover {
            background: rgba(36, 105, 240, .08);
            color: var(--color-primary);
        }
        .main-nav-list a.active {
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 600;
        }
        .nav-hot {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            color: var(--color-text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-hot a {
            padding: 4px 6px;
            color: var(--color-text-muted);
            transition: all .2s;
            border-radius: 6px;
        }
        .nav-hot a:hover {
            color: var(--color-primary);
            background: rgba(36, 105, 240, .05);
        }
        .nav-hot .dot {
            width: 3px;
            height: 3px;
            background: #c3cdd8;
            border-radius: 50%;
            display: inline-block;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            font-size: 21px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            color: var(--color-primary);
        }
        .mobile-nav {
            display: none;
            padding: 8px 0;
            background: var(--color-white);
            border-top: 1px solid var(--color-border);
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav li {
            list-style: none;
        }
        .mobile-nav a {
            display: block;
            padding: 11px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-main);
            border-bottom: 1px solid var(--color-bg);
        }
        .mobile-nav a:hover {
            background: var(--color-bg);
            color: var(--color-primary);
        }

        /* ---------- Page Hero ---------- */
        .download-page {
            background: var(--color-white);
            padding: 46px 0 38px;
            border-bottom: 1px solid var(--color-border);
            background-image: linear-gradient(120deg, #fff 0%, var(--color-bg) 100%);
        }
        .download-hero {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        .download-hero-content {
            flex: 1.15;
        }
        .download-hero-image {
            flex: 0.85;
            position: relative;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .sep {
            opacity: .5;
        }
        .page-kicker {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(36, 105, 240, .1);
            padding: 5px 12px;
            border-radius: var(--radius-full);
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: .05em;
        }
        .download-hero h1 {
            font-size: clamp(30px, 4vw, 42px);
            line-height: 1.25;
            color: var(--color-text-main);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .download-hero h1 span {
            color: var(--color-primary);
            position: relative;
            display: inline-block;
        }
        .page-subhead {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-body);
            margin-bottom: 26px;
        }
        .hero-note {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            border-left: 3px solid var(--color-secondary);
            border-radius: 0 12px 12px 0;
            padding: 10px 16px;
            font-size: 13.5px;
            color: var(--color-text-body);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            max-width: 520px;
        }
        .hero-note i {
            color: var(--color-secondary);
            margin-top: 3px;
        }
        .download-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 4px 11px;
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .download-tag i {
            color: var(--color-primary);
        }
        .hero-tagbar {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 22px;
        }
        .download-hero-image .visual-shell {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: 18px;
            padding: 10px;
            box-shadow: var(--shadow-card);
            transform: rotate(1.5deg);
            transition: all .3s;
        }
        .download-hero-image .visual-shell:hover {
            transform: rotate(0deg) translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .download-hero-image .visual-shell img {
            width: 100%;
            border-radius: 12px;
        }
        .float-sticker {
            position: absolute;
            background: var(--color-white);
            border-radius: 14px;
            box-shadow: var(--shadow-hover);
            padding: 12px 16px;
            font-size: 13px;
            color: var(--color-text-main);
            display: flex;
            align-items: center;
            gap: 9px;
            border: 1px solid var(--color-border);
            backdrop-filter: blur(4px);
        }
        .float-sticker .ico-circle {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 14px;
            flex-shrink: 0;
        }
        .float-sticker.s1 {
            top: -14px;
            left: -14px;
        }
        .float-sticker.s1 .ico-circle {
            background: var(--color-secondary);
        }
        .float-sticker.s2 {
            bottom: 22px;
            right: -8px;
            flex-direction: row-reverse;
            text-align: right;
        }
        .float-sticker.s2 .ico-circle {
            background: var(--color-primary);
        }

        /* ---------- Quick Stat strip ---------- */
        .quick-meta {
            background: var(--color-section-alt);
            padding: 22px 0;
            border-top: 1px solid rgba(36, 105, 240, .05);
            border-bottom: 1px solid var(--color-border);
        }
        .quick-meta .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }
        .quick-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-body);
        }
        .quick-item i {
            width: 34px;
            height: 34px;
            background: var(--color-white);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 15px;
            border: 1px solid var(--color-border);
        }
        .quick-item b {
            color: var(--color-text-main);
            display: block;
            font-size: 14px;
            line-height: 1.2;
        }

        /* ---------- Step flow section ---------- */
        .section-guide {
            padding: 72px 0 30px;
        }
        .section-label {
            font-size: 13px;
            color: var(--color-primary);
            font-weight: 600;
            letter-spacing: .08em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .section-label::before {
            content: "";
            display: block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-secondary);
        }
        .section-title-h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-text-main);
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin: 8px 0 12px;
        }
        .section-sub {
            font-size: 14px;
            color: var(--color-text-muted);
            max-width: 620px;
            margin-bottom: 34px;
        }
        .steps-flow {
            position: relative;
        }
        .steps-flow::before {
            content: "";
            position: absolute;
            top: 20px;
            bottom: 20px;
            left: 25px;
            width: 2px;
            background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
            opacity: .25;
            border-radius: var(--radius-full);
        }
        .step-card {
            display: flex;
            gap: 18px;
            margin-bottom: 28px;
            position: relative;
        }
        .step-num {
            background: var(--color-white);
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 20px;
            flex-shrink: 0;
            box-shadow: 0 0 0 5px rgba(36, 105, 240, .07);
            z-index: 2;
        }
        .step-card:nth-child(2) .step-num {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
            box-shadow: 0 0 0 5px rgba(15, 163, 138, .07);
        }
        .step-card:nth-child(3) .step-num {
            border-color: var(--color-accent);
            color: #cf9800;
            box-shadow: 0 0 0 5px rgba(247, 181, 0, .1);
        }
        .step-panel {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            flex: 1;
            box-shadow: var(--shadow-card);
            transition: all .2s ease;
        }
        .step-panel:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .step-panel h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 6px;
        }
        .step-panel p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 14px;
            line-height: 1.7;
        }
        .step-intro {
            background: var(--color-bg);
            border-left: 3px solid var(--color-primary);
            border-radius: 0 10px 10px 0;
            padding: 10px 14px;
            font-size: 13px;
            color: var(--color-text-body);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .step-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            margin-bottom: 10px;
        }
        .mini-gadget {
            padding: 12px;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            background: var(--color-white);
            font-size: 13px;
            color: var(--color-text-main);
        }
        .mini-gadget .icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            margin-bottom: 6px;
            background: rgba(36, 105, 240, .1);
            color: var(--color-primary);
        }
        .mini-gadget b {
            display: block;
            font-size: 13.5px;
            margin-bottom: 2px;
        }
        .mini-gadget p {
            font-size: 12px;
            color: var(--color-text-muted);
            margin: 0;
        }
        .step-panel ul {
            list-style: none;
            margin-top: 12px;
        }
        .step-panel ul li {
            position: relative;
            padding-left: 26px;
            font-size: 14px;
            color: var(--color-text-body);
            margin-bottom: 8px;
        }
        .step-panel ul li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 600;
            position: absolute;
            left: 0;
            top: 0;
            color: var(--color-secondary);
        }

        /* ---------- version ticket section ---------- */
        .section-tickets {
            padding: 56px 0;
        }
        .version-card-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .version-ticket {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: 16px;
            padding: 26px;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: all .2s;
        }
        .version-ticket:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .version-ticket .ticket-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 18px;
        }
        .version-ico {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
        }
        .version-ticket.orange .version-ico {
            background: #fff4d6;
            color: #cf9800;
        }
        .version-ticket.green .version-ico {
            background: #e6f6f2;
            color: var(--color-secondary);
        }
        .version-ticket.blue .version-ico {
            background: #e8eefc;
            color: var(--color-primary);
        }
        .badge-version {
            font-size: 12px;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: var(--color-bg);
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .version-ticket h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 6px;
        }
        .version-ticket .desc {
            font-size: 13.5px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .version-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            border: 1px dashed var(--color-border);
            background: var(--color-bg);
            border-radius: 10px;
            padding: 10px;

        }
        .version-meta .item {
            font-size: 12px;
            color: var(--color-text-body);
            flex: 1 1 40%;
        }
        .version-meta i {
            color: var(--color-primary);
            width: 14px;
            display: inline-block;
            font-size: 11px;
        }
        .ticket-cta {
            background: var(--color-primary);
            color: var(--color-white);
            font-size: 14px;
            font-weight: 600;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 18px;
            transition: all .2s ease;
            border: 1px solid transparent;
        }
        .ticket-cta:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
        }
        .ticket-cta.outline {
            background: var(--color-white);
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
        }
        .ticket-cta.outline:hover {
            background: rgba(36, 105, 240, .05);
        }
        .ticket-tip {
            background: #fff7e8;
            color: #8a6504;
            font-size: 12px;
            border-radius: var(--radius-card);
            padding: 12px 18px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-top: 24px;
            line-height: 1.7;
        }
        .ticket-tip i {
            margin-top: 3px;
        }

        /* ---------- compat section ---------- */
        .section-compat {
            background: var(--color-bg);
            padding: 62px 0;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .compat-wrap {
            display: flex;
            gap: 40px;
            align-items: flex-start;
        }
        .compat-desc {
            flex: 1;
        }
        .compat-desc p {
            font-size: 14px;
            margin-bottom: 16px;
        }
        .compat-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
        }
        .compat-line {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-body);
        }
        .compat-line i {
            color: var(--color-secondary);
            margin-top: 4px;
        }
        .sys-cards {
            flex: 1.1;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .sys-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 20px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }
        .sys-card .sys-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }
        .sys-card .sys-head i {
            width: 36px;
            height: 36px;
            background: rgba(36, 105, 240, .1);
            color: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .sys-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text-main);
        }
        .sys-card .sys-desc {
            font-family: 'Inter', monospace;
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 4px;
        }
        .sys-card .sys-note {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .isn-badge {
            display: inline-block;
            background: rgba(15, 163, 138, .1);
            color: var(--color-secondary);
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            margin-left: 4px;
        }

        /* ---------- FAQ ---------- */
        .section-faq-dl {
            padding: 62px 0 52px;
            background: var(--color-white);
        }
        .faq-cols {
            display: flex;
            gap: 36px;
        }
        .faq-left {
            flex: .85;
        }
        .faq-right {
            flex: 1.15;
        }
        .faq-empty-note {
            background: var(--color-bg);
            border-radius: 10px;
            padding: 10px 13px;
            font-size: 13px;
            color: var(--color-text-muted);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }
        .accordion-item {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 10px;
            transition: all .2s ease;
            overflow: hidden;
        }
        .accordion-item.open {
            border-color: rgba(36, 105, 240, .3);
            box-shadow: var(--shadow-card);
        }
        .accordion-btn {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            color: var(--color-text-main);
            font-weight: 600;
            font-size: 14px;
            text-align: left;
            gap: 14px;
            transition: all .2s;
            background: var(--color-white);
        }
        .accordion-btn:hover {
            color: var(--color-primary);
        }
        .accordion-btn .icon-c {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--color-text-muted);
            transition: all .2s;
        }
        .accordion-item.open .accordion-btn .icon-c {
            transform: rotate(45deg);
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-white);
        }
        .accordion-content {
            display: none;
            padding: 0 20px 17px 20px;
            text-align: left;
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.8;
            border-top: 1px dashed var(--color-border);
            padding-top: 12px;
            margin-top: 0;
        }
        .accordion-item.open .accordion-content {
            display: block;
        }
        .helpchip {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }
        .helpchip i {
            width: 18px;
            color: var(--color-primary);
        }
        .helpchip a {
            color: var(--color-primary);
        }
        .helpchip a:hover {
            text-decoration: underline;
        }

        /* ---------- CTA band ---------- */
        .download-cta-band {
            background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg) 100%);
            padding: 48px 0 72px;
        }
        .cta-box {
            position: relative;
            overflow: hidden;
            background: var(--color-primary);
            border-radius: 20px;
            padding: 42px 48px;
            color: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
        }
        .cta-box::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, var(--color-primary) 20%, rgba(36, 105, 240, .85) 50%, rgba(36, 105, 240, .5) 100%);
            border-radius: 20px;
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-content h2 {
            font-size: clamp(23px, 3vw, 31px);
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }
        .cta-content p {
            color: rgba(255, 255, 255, .85);
            font-size: 14px;
            margin-top: 6px;
        }
        .cta-btns {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-light-dl {
            background: var(--color-white);
            color: var(--color-primary) !important;
            border-radius: var(--radius-full);
            border: none;
            font-weight: 700;
            font-size: 14px;
            padding: 14px 24px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, .12);
            transition: all .2s;
        }
        .btn-light-dl:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 26px rgba(0, 0, 0, .16);
        }
        .btn-ghost-dl {
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .4);
            color: var(--color-white) !important;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 14px;
            padding: 13px 20px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .2s;
            backdrop-filter: blur(4px);
        }
        .btn-ghost-dl:hover {
            background: rgba(255, 255, 255, .26);
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: #0E1622;
            color: #c3d1df;
            padding-top: 48px;
            font-size: 13.5px;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 30px;
            margin-bottom: 35px;
        }
        .site-footer .brand {
            color: var(--color-white);
        }
        .site-footer .brand-name {
            color: var(--color-white);
        }
        .site-footer .brand-name b {
            color: #8ab1ff;
        }
        .footer-brand p {
            color: #8ba0b2;
            font-size: 13px;
            line-height: 1.7;
            margin-top: 12px;
        }
        .footer-title {
            color: var(--color-white);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: .02em;
        }
        .footer-links li {
            list-style: none;
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #a3b6c5;
            font-size: 13px;
            transition: all .2s;
        }
        .footer-links a:hover {
            color: var(--color-white);
            padding-left: 5px;
        }
        .footer-note {
            background: rgba(255, 255, 255, .04);
            border-radius: 10px;
            padding: 12px;
            font-size: 12.5px;
            line-height: 1.7;
            color: #9aafbf;
        }
        .footer-taglist {
            margin-top: 14px;
        }
        .footer-taglist a {
            display: inline-block;
            background: rgba(255, 255, 255, .06);
            color: #aac2d4;
            border-radius: var(--radius-full);
            padding: 3px 10px;
            font-size: 11.5px;
            margin-right: 4px;
            margin-bottom: 4px;
        }
        .footer-taglist a:hover {
            background: var(--color-primary);
            color: var(--color-white);
        }
        .footer-bottom {
            padding: 16px 0;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-bottom-wrap {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: #6f8799;
        }
        @media (max-width: 900px) {
            .download-hero-image {
                display: none;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 26px;
            }
            .faq-cols {
                flex-direction: column;
                gap: 24px;
            }
            .compat-wrap {
                flex-direction: column;
            }
            .section-tickets .version-card-wrap {
                grid-template-columns: 1fr;
            }
            .step-grid {
                grid-template-columns: 1fr;
            }
            .quick-meta .container {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px;
            }
        }
        @media (max-width: 768px) {
            .header-nav {
                top: 0;
            }
            .header-nav.scrolled {
                top: 0;
            }
            .main-nav-list {
                display: none;
            }
            .nav-hot {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-nav {
                display: none;
            }
            .mobile-nav.open {
                display: block;
            }
            .download-cta-band {
                padding: 32px 0 45px;
            }
            .cta-box {
                padding: 28px 20px;
            }
            .footer-bottom-wrap {
                flex-direction: column;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .brand-name {
                font-size: 18px;
            }
            .header-download {
                height: 38px;
                padding: 0 12px;
                font-size: 12px;
            }
            .header-download i {
                font-size: 13px;
            }
            .search-inline-qs {
                display: none;
            }
            .download-page {
                padding: 30px 0;
            }
            .download-hero h1 {
                font-size: 28px;
            }
            .section-title-h2 {
                font-size: 22px;
            }
            .step-panel {
                padding: 20px 16px;
            }
            .step-num {
                width: 42px;
                height: 42px;
                font-size: 17px;
            }
            .version-ticket {
                padding: 18px;
            }
            .accordion-btn {
                padding: 14px 14px;
                font-size: 13px;
            }
            .accordion-content {
                padding-left: 14px;
                padding-right: 14px;
            }
            .hero-note {
                font-size: 12.5px;
                padding: 9px 12px;
            }
            .sys-cards {
                grid-template-columns: 1fr;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-btns {
                width: 100%;
            }
            .cta-btns .btn-light-dl,
            .cta-btns .btn-ghost-dl {
                flex: 1;
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
        --primary: #2469F0;
        --primary-dark: #1E4EC2;
        --primary-light: #E9F0FE;
        --accent: #0FA38A;
        --accent-soft: #E4F6F1;
        --yellow: #F7B500;
        --bg-body: #F6F9FC;
        --bg-alt: #EAF1F8;
        --card: #FFFFFF;
        --heading: #152033;
        --text: #3E4A5A;
        --muted: #758295;
        --border: #E7EDF3;
        --font: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
        --radius: 12px;
        --radius-sm: 8px;
        --shadow: 0 4px 16px rgba(21, 32, 51, 0.05);
        --shadow-lg: 0 12px 28px rgba(21, 32, 51, 0.10);
        --header-bg: #152033;
        --transition: all 0.22s ease;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font);
        font-size: 15px;
        line-height: 1.75;
        color: var(--text);
        background: var(--bg-body);
        -webkit-font-smoothing: antialiased;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: var(--transition);
    }

    img {
        max-width: 100%;
        display: block;
    }

    ul,
    ol {
        list-style: none;
    }

    button,
    input {
        font-family: inherit;
        font-size: 1rem;
        border: none;
        outline: none;
        background: none;
    }

    button {
        cursor: pointer;
    }

    .container {
        max-width: 1180px;
        width: 100%;
        margin: 0 auto;
        padding: 0 24px;
    }

    .container-narrow {
        max-width: 800px;
        width: 100%;
        margin: 0 auto;
        padding: 0 20px;
    }

    .page-progress {
        position: fixed;
        top: 0;
        left: 0;
        height: 3px;
        width: 0;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        z-index: 300;
        border-radius: 0 3px 3px 0;
    }

    /* ============ 导航 ============ */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 200;
        background: var(--header-bg);
        box-shadow: 0 6px 22px rgba(21, 32, 51, 0.08);
        transition: var(--transition);
    }

    .header-top {
        min-height: 62px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 18px;
        transition: min-height 0.25s ease;
    }

    .site-header.scrolled .header-top {
        min-height: 54px;
    }

    .brand {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }

    .brand-logo {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, #2469F0 0%, #0FA38A 100%);
        color: #fff;
        box-shadow: 0 6px 14px rgba(36, 105, 240, 0.24);
    }

    .brand-logo i,
    .brand-logo .fa-solid {
        font-size: 17px;
    }

    .brand-name {
        color: #fff;
        font-size: 21px;
        font-weight: 700;
        letter-spacing: 0.02em;
        white-space: nowrap;
    }

    .brand-name b {
        color: #43C6B3;
        font-weight: 700;
        margin-left: 1px;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .icon-btn {
        width: 38px;
        height: 38px;
        border-radius: 10px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.12);
        color: #fff;
        transition: var(--transition);
    }

    .icon-btn:hover {
        background: rgba(255, 255, 255, 0.22);
        transform: translateY(-1px);
    }

    .icon-btn:focus-visible {
        outline: 2px solid #43C6B3;
        outline-offset: 2px;
    }

    .header-download {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary);
        color: #fff;
        height: 38px;
        padding: 0 18px;
        border-radius: 999px;
        font-size: 14px;
        font-weight: 600;
        box-shadow: 0 6px 14px rgba(36, 105, 240, 0.2);
        transition: var(--transition);
    }

    .header-download:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        color: #fff;
    }

    .header-download:active {
        transform: translateY(0);
    }

    .search-inline {
        display: none;
        align-items: center;
        justify-content: center;
        gap: 14px;
        background: #fff;
        padding: 12px 24px;
        border-bottom: 1px solid var(--border);
    }

    .search-inline.open {
        display: flex;
    }

    .search-inline > div {
        width: 100%;
        max-width: 520px;
    }

    .search-inline input {
        width: 100%;
        height: 44px;
        padding: 0 44px 0 18px;
        border: 1px solid var(--border);
        background: var(--bg-body);
        border-radius: 10px;
        color: var(--heading);
        transition: var(--transition);
    }

    .search-inline input:focus {
        border-color: var(--primary);
        background: #fff;
        box-shadow: 0 0 0 4px rgba(36, 105, 240, 0.12);
    }

    .hot-words {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--muted);
        white-space: nowrap;
    }

    .hot-words a {
        color: var(--primary);
        background: var(--primary-light);
        padding: 3px 10px;
        border-radius: 999px;
    }

    .hot-words a:hover {
        background: var(--primary);
        color: #fff;
    }

    .header-nav {
        background: #fff;
        border-top: 1px solid rgba(231, 237, 243, 0.7);
        border-bottom: 1px solid var(--border);
    }

    .main-nav {
        min-height: 50px;
        display: flex;
        align-items: center;
        gap: 20px;
        transition: min-height 0.25s ease;
    }

    .site-header.scrolled .main-nav {
        min-height: 44px;
    }

    .main-nav-list {
        display: flex;
        align-items: center;
        gap: 4px;
        flex-shrink: 0;
    }

    .main-nav-list a {
        display: inline-flex;
        align-items: center;
        height: 36px;
        padding: 0 15px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 600;
        color: var(--heading);
        white-space: nowrap;
    }

    .main-nav-list a:hover {
        background: var(--primary-light);
        color: var(--primary);
    }

    .main-nav-list a.active {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 5px 14px rgba(36, 105, 240, 0.18);
    }

    .nav-hot {
        display: flex;
        align-items: center;
        gap: 6px;
        margin-left: auto;
        font-size: 13px;
        color: var(--muted);
        white-space: nowrap;
    }

    .nav-hot a {
        color: var(--muted);
        padding: 4px 8px;
        border-radius: 6px;
    }

    .nav-hot a:hover {
        color: var(--primary);
        background: var(--primary-light);
    }

    .dot {
        width: 3px;
        height: 3px;
        background: #C3CFDB;
        border-radius: 50%;
        display: inline-block;
        vertical-align: middle;
        margin: 0 2px;
    }

    .nav-toggle {
        display: none;
        width: 38px;
        height: 38px;
        border-radius: 10px;
        color: var(--heading);
        background: var(--bg-body);
        font-size: 18px;
    }

    .mobile-nav {
        display: none;
        background: #fff;
        border-top: 1px solid var(--border);
        padding: 10px 16px 18px;
    }

    .site-header.menu-open .mobile-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        box-shadow: 0 16px 28px rgba(21, 32, 51, 0.08);
    }

    .mobile-nav a {
        flex: 1 1 160px;
        text-align: center;
        padding: 10px 16px;
        border-radius: 10px;
        color: var(--heading);
        background: var(--bg-body);
        font-weight: 600;
        font-size: 14px;
    }

    .mobile-nav a:hover,
    .mobile-nav a.active {
        background: var(--primary);
        color: #fff;
    }

    /* ============ 面包屑 ============ */
    .breadcrumb-wrap {
        padding: 24px 0 6px;
    }

    .breadcrumb-nav {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 13px;
        color: var(--muted);
    }

    .breadcrumb-nav a {
        color: var(--muted);
        transition: var(--transition);
    }

    .breadcrumb-nav a:hover {
        color: var(--primary);
    }

    .breadcrumb-sep {
        color: #C3CFDB;
    }

    .breadcrumb-nav .current {
        color: var(--heading);
        font-weight: 500;
    }

    /* ============ 文章主体 ============ */
    .article-page-main {
        min-height: 70vh;
        padding: 16px 0 72px;
    }

    .article-panel {
        max-width: 820px;
        margin: 0 auto;
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: 18px;
        box-shadow: var(--shadow);
        padding: 42px 54px 46px;
        position: relative;
    }

    .article-topline {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        margin-bottom: 18px;
    }

    .article-category {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary-light);
        color: var(--primary);
        font-size: 13px;
        font-weight: 600;
        padding: 5px 14px;
        border-radius: 999px;
    }

    .article-source {
        display: flex;
        align-items: center;
        gap: 16px;
        font-size: 13px;
        color: var(--muted);
    }

    .article-source span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .article-panel h1 {
        font-size: 32px;
        line-height: 1.3;
        color: var(--heading);
        font-weight: 800;
        letter-spacing: -0.01em;
        margin-bottom: 18px;
    }

    .article-divider {
        height: 1px;
        background: linear-gradient(90deg, var(--border), transparent);
        margin: 26px 0 30px;
    }

    .article-body {
        font-size: 16px;
        line-height: 1.9;
        color: var(--text);
    }

    .article-body > * + * {
        margin-top: 1.5em;
    }

    .article-body p {
        margin-bottom: 1.6em;
    }

    .article-body h2 {
        font-size: 22px;
        color: var(--heading);
        font-weight: 800;
        margin-top: 2.2em;
        margin-bottom: 0.8em;
        line-height: 1.4;
    }

    .article-body h3 {
        font-size: 19px;
        color: var(--heading);
        font-weight: 700;
        margin-top: 1.8em;
        margin-bottom: 0.6em;
        line-height: 1.45;
    }

    .article-body h4 {
        font-size: 17px;
        color: var(--heading);
        font-weight: 700;
        margin-top: 1.6em;
        margin-bottom: 0.5em;
    }

    .article-body ul {
        list-style: disc;
        padding-left: 1.5em;
        margin-bottom: 1.6em;
    }

    .article-body ol {
        list-style: decimal;
        padding-left: 1.5em;
        margin-bottom: 1.6em;
    }

    .article-body li {
        margin-bottom: 0.5em;
    }

    .article-body a {
        color: var(--primary);
        border-bottom: 1px solid rgba(36, 105, 240, 0.3);
    }

    .article-body a:hover {
        color: var(--primary-dark);
        border-bottom-color: var(--primary-dark);
    }

    .article-body img {
        border-radius: 14px;
        margin: 24px 0;
        box-shadow: var(--shadow-lg);
    }

    .article-body blockquote {
        margin: 24px 0;
        padding: 18px 22px;
        background: var(--bg-alt);
        border-left: 4px solid var(--primary);
        border-radius: 0 12px 12px 0;
        color: var(--heading);
        font-size: 15px;
    }

    .article-body blockquote p {
        margin-bottom: 0;
    }

    .article-body pre {
        background: var(--header-bg);
        color: #e8f1ff;
        padding: 18px 20px;
        border-radius: 12px;
        overflow-x: auto;
        font-size: 14px;
        line-height: 1.7;
        margin: 24px 0;
    }

    .article-body code {
        font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
        font-size: 0.92em;
        background: var(--primary-light);
        color: var(--primary-dark);
        padding: 2px 6px;
        border-radius: 6px;
    }

    .article-body pre code {
        background: transparent;
        color: inherit;
        padding: 0;
    }

    .article-body table {
        width: 100%;
        border-collapse: collapse;
        margin: 24px 0;
        font-size: 14px;
    }

    .article-body table th,
    .article-body table td {
        padding: 10px 14px;
        border: 1px solid var(--border);
        text-align: left;
    }

    .article-body table th {
        background: var(--bg-alt);
        color: var(--heading);
        font-weight: 600;
    }

    .article-body figure {
        margin: 26px 0;
    }

    .article-body figcaption {
        font-size: 13px;
        color: var(--muted);
        text-align: center;
        margin-top: 10px;
    }

    .inline-advert {
        margin: 36px 0 30px;
        border: 1px dashed rgba(36, 105, 240, 0.35);
        background: linear-gradient(135deg, rgba(36, 105, 240, 0.06), rgba(15, 163, 138, 0.06));
        padding: 14px 18px;
        border-radius: var(--radius);
        color: var(--text);
        font-size: 13px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .inline-advert i {
        color: var(--primary);
        font-size: 16px;
    }

    .article-footer-area {
        border-top: 1px solid var(--border);
        margin-top: 32px;
        padding-top: 28px;
    }

    .article-tags-row {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 10px;
        margin-bottom: 20px;
    }

    .article-tags-row .tag-label {
        color: var(--muted);
        font-size: 13px;
        font-weight: 600;
    }

    .article-tags-row a {
        background: var(--bg-body);
        border: 1px solid var(--border);
        border-radius: 999px;
        padding: 5px 14px;
        color: var(--text);
        font-size: 13px;
    }

    .article-tags-row a:hover {
        background: var(--primary-light);
        border-color: var(--primary);
        color: var(--primary);
    }

    .share-row {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
        padding: 16px 18px;
        background: var(--bg-body);
        border-radius: 14px;
    }

    .share-row span {
        font-size: 13px;
        color: var(--muted);
    }

    .share-btn {
        height: 34px;
        padding: 0 14px;
        border-radius: 999px;
        background: #fff;
        border: 1px solid var(--border);
        color: var(--heading);
        font-size: 13px;
        display: inline-flex;
        align-items: center;
        gap: 7px;
        transition: var(--transition);
    }

    .share-btn:hover {
        border-color: var(--primary);
        color: var(--primary);
        background: var(--primary-light);
        transform: translateY(-2px);
    }

    .share-btn:focus-visible {
        outline: 3px solid rgba(36, 105, 240, 0.24);
        outline-offset: 2px;
    }

    /* ============ 空状态 ============ */
    .article-empty {
        max-width: 620px;
        margin: 0 auto;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 18px;
        padding: 70px 30px;
        text-align: center;
        box-shadow: var(--shadow);
    }

    .article-empty-icon {
        width: 66px;
        height: 66px;
        border-radius: 18px;
        background: var(--bg-alt);
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 26px;
        margin-bottom: 24px;
    }

    .article-empty h1 {
        color: var(--heading);
        font-size: 28px;
        margin-bottom: 12px;
    }

    .article-empty p {
        color: var(--muted);
        margin-bottom: 24px;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        min-height: 46px;
        padding: 0 26px;
        border-radius: 12px;
        background: var(--primary);
        color: #fff;
        font-weight: 600;
        font-size: 15px;
        box-shadow: 0 8px 18px rgba(36, 105, 240, 0.18);
        transition: var(--transition);
    }

    .btn-primary:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(36, 105, 240, 0.22);
    }

    .btn-primary:active {
        transform: translateY(0);
    }

    .btn-outline {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 44px;
        padding: 0 22px;
        border-radius: 12px;
        background: #fff;
        border: 1px solid var(--border);
        color: var(--heading);
        font-weight: 600;
        transition: var(--transition);
    }

    .btn-outline:hover {
        border-color: var(--primary);
        color: var(--primary);
        background: var(--primary-light);
    }

    /* ============ 延伸阅读 ============ */
    .related-section {
        padding: 72px 0 28px;
        background: transparent;
    }

    .section-header {
        text-align: center;
        margin-bottom: 40px;
    }

    .section-eyebrow {
        display: inline-block;
        font-size: 13px;
        color: var(--primary);
        background: var(--primary-light);
        padding: 4px 14px;
        border-radius: 999px;
        font-weight: 600;
        letter-spacing: 0.04em;
        margin-bottom: 14px;
    }

    .section-header h2 {
        color: var(--heading);
        font-size: 28px;
        font-weight: 800;
        line-height: 1.4;
        letter-spacing: -0.01em;
    }

    .section-header p {
        color: var(--muted);
        max-width: 620px;
        margin: 12px auto 0;
        font-size: 14px;
    }

    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        align-items: stretch;
    }

    .related-card {
        display: flex;
        align-items: stretch;
        gap: 14px;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 14px;
        padding: 12px;
        box-shadow: var(--shadow);
        transition: var(--transition);
    }

    .related-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(36, 105, 240, 0.35);
    }

    .related-thumb {
        width: 96px;
        height: 96px;
        border-radius: 10px;
        object-fit: cover;
        flex-shrink: 0;
        overflow: hidden;
    }

    .related-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.35s ease;
    }

    .related-card:hover .related-thumb img {
        transform: scale(1.04);
    }

    .related-info {
        display: flex;
        flex-direction: column;
        justify-content: center;
        min-width: 0;
        flex: 1;
    }

    .related-tag {
        display: inline-flex;
        align-self: flex-start;
        font-size: 12px;
        color: var(--accent);
        background: var(--accent-soft);
        padding: 2px 9px;
        border-radius: 999px;
        margin-bottom: 6px;
    }

    .related-info strong {
        font-size: 15px;
        line-height: 1.45;
        color: var(--heading);
        font-weight: 600;
        margin-bottom: 8px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .related-go {
        font-size: 13px;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-weight: 500;
    }

    .related-go i {
        transition: transform 0.2s ease;
    }

    .related-card:hover .related-go i {
        transform: translateX(4px);
    }

    .back-to-home-row {
        margin-top: 36px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 14px;
        color: var(--muted);
    }

    .back-to-home-row a {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--primary);
        font-weight: 600;
    }

    .back-to-home-row a:hover {
        color: var(--primary-dark);
    }

    /* ============ 页脚 ============ */
    .site-footer {
        background: var(--header-bg);
        color: #C6D2DF;
        margin-top: 48px;
    }

    .site-footer .container {
        padding-top: 52px;
    }

    .footer-main {
        display: grid;
        grid-template-columns: 1.5fr 0.8fr 1fr 1.1fr;
        gap: 40px;
        padding-bottom: 34px;
    }

    .footer-brand .brand {
        display: flex;
        margin-bottom: 15px;
    }

    .footer-brand .brand .brand-name {
        color: #fff;
        font-size: 20px;
    }

    .footer-brand p {
        font-size: 13px;
        line-height: 1.8;
        color: #93A8B9;
        max-width: 330px;
        margin-bottom: 16px;
    }

    .footer-title {
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 18px;
    }

    .footer-links li {
        margin-bottom: 10px;
    }

    .footer-links a {
        font-size: 14px;
        color: #93A8B9;
        transition: var(--transition);
    }

    .footer-links a:hover {
        color: #fff;
        padding-left: 4px;
    }

    .footer-note {
        font-size: 13px;
        line-height: 1.75;
        color: #93A8B9;
        margin-bottom: 18px;
    }

    .footer-taglist {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .footer-taglist a {
        font-size: 12px;
        color: #9BB0C2;
        background: rgba(255, 255, 255, 0.08);
        padding: 4px 10px;
        border-radius: 999px;
        transition: var(--transition);
    }

    .footer-taglist a:hover {
        background: var(--primary);
        color: #fff;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding: 22px 0 16px;
    }

    .footer-bottom-wrap {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        font-size: 13px;
        color: #8CA2B4;
        flex-wrap: wrap;
    }

    .footer-bottom-wrap > div:last-child {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 13px;
    }

    /* ============ 响应式 ============ */
    @media (max-width: 1024px) {
        .nav-hot {
            display: none;
        }
        .related-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-main {
            grid-template-columns: 1fr 1fr 1fr;
        }
    }

    @media (max-width: 900px) {
        .main-nav-list {
            display: none;
        }
        .nav-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-left: auto;
        }
        .search-inline {
            flex-direction: column;
        }
        .hot-words {
            width: 100%;
        }
        .footer-main {
            grid-template-columns: 1fr 1fr;
        }
        .article-panel {
            padding: 32px 28px;
        }
    }

    @media (max-width: 640px) {
        .container {
            padding: 0 18px;
        }
        .header-top {
            min-height: 58px;
        }
        .brand-name {
            font-size: 19px;
        }
        .brand-logo {
            width: 34px;
            height: 34px;
        }
        .header-download {
            width: 42px;
            padding: 0;
            justify-content: center;
            border-radius: 12px;
            font-size: 0;
            gap: 0;
        }
        .header-download i {
            font-size: 17px;
        }
        .search-inline {
            padding: 14px 18px;
        }
        .article-page-main {
            padding: 8px 0 48px;
        }
        .article-panel {
            padding: 26px 20px;
            border-radius: 14px;
        }
        .article-panel h1 {
            font-size: 25px;
        }
        .article-topline {
            flex-direction: column;
            align-items: flex-start;
        }
        .article-source {
            width: 100%;
            flex-wrap: wrap;
            gap: 10px;
        }
        .related-grid {
            grid-template-columns: 1fr;
        }
        .section-header h2 {
            font-size: 24px;
        }
        .breadcrumb-wrap {
            padding-top: 18px;
        }
        .footer-main {
            grid-template-columns: 1fr;
            gap: 30px;
            padding-bottom: 28px;
        }
        .footer-bottom-wrap {
            flex-direction: column;
        }
        .footer-bottom-wrap > div:last-child {
            font-size: 12px;
        }
        .site-footer .container {
            padding-top: 38px;
        }
    }

    @media (max-width: 420px) {
        .article-panel h1 {
            font-size: 22px;
        }
        .article-body {
            font-size: 15px;
        }
        .article-body blockquote {
            padding: 14px 16px;
        }
        .related-card {
            flex-direction: row;
        }
        .related-thumb {
            width: 88px;
            height: 100px;
        }
        .share-row {
            align-items: flex-start;
        }
        .share-btn {
            flex: 1 1 30%;
            justify-content: center;
        }
    }

/* roulang page: category2 */
:root{
  --blue:#2469F0;
  --blue-dark:#1E4EC2;
  --teal:#0FA38A;
  --yellow:#F7B500;
  --body:#F6F9FC;
  --soft:#EAF1F8;
  --card:#FFFFFF;
  --border:#E7EDF3;
  --title:#152033;
  --text:#3E4A5A;
  --muted:#758295;
  --white:#FFFFFF;
  --radius:12px;
  --radius-lg:16px;
  --shadow:0 4px 16px rgba(21,32,51,.05);
  --shadow-hover:0 12px 28px rgba(21,32,51,.10);
  --space:80px;
  --content:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--body);
  color:var(--text);
  font-family:"Inter","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
input{font-family:inherit}
.container{max-width:var(--content);margin:0 auto;padding:0 24px}
.section-space{padding:72px 0}
.bg-soft{background:var(--soft)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:46px;
  padding:0 22px;
  border:0;
  border-radius:var(--radius);
  font-weight:600;
  font-size:15px;
  line-height:1;
  cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
  text-align:center;
}
.btn:focus-visible,.icon-btn:focus-visible,.nav-toggle:focus-visible,.faq-question:focus-visible{
  outline:3px solid rgba(36,105,240,.35);
  outline-offset:2px;
}
.btn-primary{background:var(--blue);color:var(--white);box-shadow:0 8px 16px rgba(36,105,240,.18)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(30,78,194,.22)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:#fff;
  color:var(--blue);
  border:1px solid #CFE0F5;
}
.btn-ghost:hover{
  background:#F2F7FF;
  border-color:var(--blue);
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(36,105,240,.08);
}
.btn-white{background:var(--white);color:var(--blue-dark);box-shadow:0 10px 20px rgba(3,20,47,.14)}
.btn-white:hover{background:#EEF5FF;transform:translateY(-2px)}

/* ===== Header / Nav ===== */
.site-header{
  background:var(--white);
  border-bottom:1px solid var(--border);
  position:relative;
  z-index:200;
}
.header-top{
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  white-space:nowrap;
}
.brand-logo{
  width:40px;
  height:40px;
  flex:0 0 40px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--blue) 0%,var(--teal) 100%);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
  box-shadow:0 6px 14px rgba(36,105,240,.20);
}
.brand-name{
  font-size:21px;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--title);
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
}
.brand-name b{font-weight:800;color:var(--blue)}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;
  height:38px;
  border-radius:11px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  cursor:pointer;
  transition:all .2s;
}
.icon-btn:hover{color:var(--blue);border-color:var(--blue);background:#F3F8FF}
.header-download{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--blue);
  color:#fff;
  height:38px;
  padding:0 17px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  transition:all .2s;
}
.header-download:hover{background:var(--blue-dark);transform:translateY(-1px)}

.search-inline{
  display:none;
  background:#F8FBFE;
  border-bottom:1px solid var(--border);
  padding:14px 24px;
  gap:22px;
  align-items:center;
  justify-content:center;
}
.search-inline.show{display:flex}
.search-inline .search-input{
  position:relative;
  width:min(440px,100%);
}
.search-inline input{
  width:100%;
  height:42px;
  border:1px solid #D8E4F0;
  border-radius:10px;
  background:#fff;
  color:var(--title);
  padding:0 42px 0 15px;
  font-size:14px;
  transition:border .2s,box-shadow .2s;
}
.search-inline input::placeholder{color:var(--muted)}
.search-inline input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(36,105,240,.12);outline:0}
.hot-words{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.hot-words span{margin-right:4px}
.hot-words a{color:var(--text);padding:2px 7px;border-radius:8px}
.hot-words a:hover{color:var(--blue);background:#EFF5FF}

.header-nav{
  background:var(--white);
  border-top:1px solid #EDF2F7;
  position:sticky;
  top:0;
  z-index:180;
  box-shadow:0 .5px 0 rgba(21,32,51,.02);
}
.main-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:50px;
  gap:20px;
}
.main-nav-list{
  list-style:none;
  display:flex;
  align-items:center;
  gap:26px;
}
.main-nav-list a{
  display:block;
  padding:15px 0;
  font-size:15px;
  font-weight:600;
  color:#364356;
  position:relative;
  transition:color .2s;
}
.main-nav-list a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-1px;
  width:100%;
  height:3px;
  border-radius:3px 3px 0 0;
  background:var(--blue);
  opacity:0;
  transform:translateY(4px);
  transition:all .25s;
}
.main-nav-list a:hover{color:var(--blue)}
.main-nav-list a.active{color:var(--blue)}
.main-nav-list a.active::after{opacity:1;transform:translateY(0)}
.nav-hot{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--muted);
  white-space:nowrap;
}
.nav-hot span:first-child{color:#9DA9B8;font-weight:500;letter-spacing:.5px}
.nav-hot a{color:#5C6978;padding:4px 4px}
.nav-hot a:hover{color:var(--blue)}
.nav-hot .dot{width:3px;height:3px;border-radius:50%;background:#BFCDDC;display:inline-block}
.nav-toggle{
  display:none;
  background:#fff;
  border:1px solid var(--border);
  height:38px;
  width:38px;
  border-radius:10px;
  align-items:center;
  justify-content:center;
  color:var(--text);
  font-size:16px;
  cursor:pointer;
}
.mobile-nav{
  display:none;
  list-style:none;
  background:#fff;
  border-top:1px solid var(--border);
  padding:8px 12px 16px;
}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:12px 14px;border-radius:10px;font-weight:600;color:var(--title)}
.mobile-nav a:hover{background:var(--soft);color:var(--blue)}
.mobile-nav a.active{background:#EAF2FF;color:var(--blue)}

/* Breadcrumb */
.page-breadcrumb{
  padding:16px 0 0;
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.page-breadcrumb a:hover{color:var(--blue)}
.page-breadcrumb i{font-size:11px;color:#A9B6C5}

/* ===== Category hero ===== */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 70px;
  border-bottom:1px solid var(--border);
  background-color:#F4F9FF;
  background-image:linear-gradient(90deg,var(--white) 0%,#F2F7FD 48%,rgba(36,105,240,.08) 100%),url('/assets/images/backpic/back-1.png');
  background-repeat:no-repeat;
  background-position:center;
  background-size:cover;
}
.cat-hero .hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(300px,.88fr);
  gap:46px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(36,105,240,.08);
  color:var(--blue);
  border-radius:999px;
  padding:7px 14px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.3px;
  margin-bottom:18px;
}
.hero-eyebrow i{font-size:13px}
.hero-title{
  margin:0 0 16px;
  font-size:42px;
  line-height:1.15;
  font-weight:800;
  color:var(--title);
  letter-spacing:-1px;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
}
.hero-title .line{
  color:var(--blue);
  background:linear-gradient(140deg,#2469F0,#2E8CF2 60%,#0FA38A);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-desc{
  font-size:16.5px;
  line-height:1.9;
  color:#43536A;
  max-width:570px;
  margin-bottom:26px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-meta-list{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  margin:0;
}
.hero-meta-list li{display:flex;gap:9px;align-items:center;font-size:14px;color:#4D6076}
.hero-meta-list i{color:var(--teal);font-size:17px;text-align:center}
.hero-art{position:relative}
.hero-art-box{
  background:#fff;
  border:1px solid var(--border);
  border-radius:20px;
  padding:10px;
  box-shadow:0 20px 35px rgba(21,32,51,.12);
}
.hero-art-box img{
  width:100%;
  height:auto;
  border-radius:14px;
  object-fit:cover;
  min-height:240px;
}
.floating-note{
  position:absolute;
  background:rgba(255,255,255,.92);
  border:1px solid #E1ECF8;
  border-left:4px solid var(--teal);
  border-radius:14px;
  box-shadow:0 14px 26px rgba(6,30,58,.12);
  padding:12px 17px 12px 14px;
  font-size:13px;
  right:-12px;
  bottom:-16px;
  max-width:280px;
  display:flex;
  align-items:flex-start;
  gap:9px;
  backdrop-filter:blur(5px);
}
.floating-note i{color:var(--teal);font-size:21px;margin-top:1px}
.floating-note strong{color:var(--title);display:block;font-size:14px}
.floating-note small{color:var(--muted);line-height:1.5;display:block}

/* ===== Section headings ===== */
.sec-block{padding:80px 0}
.section-head{
  margin-bottom:32px;
  max-width:680px;
}
.section-head.kicker{max-width:none}
.section-kicker{
  color:var(--blue);
  font-size:13px;
  font-weight:700;
  letter-spacing:.5px;
  text-transform:uppercase;
  margin-bottom:8px;
  display:flex;
  align-items:center;
  gap:9px;
}
.section-head h2{
  font-size:29px;
  font-weight:800;
  color:var(--title);
  line-height:1.28;
  letter-spacing:-.5px;
}
.section-head p{
  margin-top:10px;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}

/* Insight hybrid cards */
.insight-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:26px;
}
.insight-main{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:box-shadow .3s,transform .3s;
}
.insight-main:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.insight-main img{
  width:100%;
  height:218px;
  object-fit:cover;
}
.insight-copy{padding:24px 26px 27px}
.insight-copy h3{color:var(--title);font-size:19px;font-weight:700;margin-bottom:9px;letter-spacing:-.3px}
.insight-copy p{color:#526273;font-size:14.5px;line-height:1.85;margin-bottom:12px}
.insight-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:#EAF2FF;
  color:var(--blue);
  font-size:12px;
  font-weight:600;
  border-radius:999px;
  padding:5px 12px;
}
.side-card-list{
  display:grid;
  gap:18px;
}
.side-card{
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:16px;
  padding:22px 24px;
  box-shadow:var(--shadow);
  gap:11px;
  transition:all .25s;
}
.side-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.side-card:nth-child(2){border-top:4px solid #B8D1FF}
.side-icon{
  width:42px;
  height:42px;
  border-radius:12px;
  background:#EAF2FF;
  color:var(--blue);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
}
.side-card:nth-child(2) .side-icon{background:#E3F6F0;color:var(--teal)}
.side-card:nth-child(3) .side-icon{background:#FFF6DF;color:#E9A200}
.side-card h3{color:var(--title);font-size:16px;font-weight:700}
.side-card p{color:var(--muted);font-size:14px;line-height:1.75}

/* Timeline */
.timeline-area{
  position:relative;
  background:linear-gradient(180deg,#F0F6FC 0%,#FFFFFF 100%);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:76px 0;
}
.timeline-wrap{
  margin-top:34px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.timeline-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:26px 24px;
  position:relative;
  box-shadow:var(--shadow);
  transition:all .25s;
}
.timeline-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.timeline-item::before{
  content:"";
  position:absolute;
  top:-1px;
  left:34px;
  width:46px;
  height:3px;
  background:linear-gradient(90deg,var(--blue),var(--teal));
  border-radius:3px;
}
.tl-step{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:#2456CF;
  color:#fff;
  width:34px;
  height:34px;
  border-radius:50%;
  font-weight:800;
  font-size:14px;
  letter-spacing:.2px;
  box-shadow:0 5px 12px rgba(36,105,240,.18);
}
.timeline-item:nth-child(2) .tl-step{background:var(--teal)}
.timeline-item:nth-child(3) .tl-step{background:#E8A417}
.timeline-item h3{font-size:17px;color:var(--title);margin:15px 0 8px}
.timeline-item p{font-size:14px;color:var(--muted);line-height:1.8}
.tl-time{
  margin-top:13px;
  display:inline-block;
  font-size:12px;
  font-weight:600;
  color:#6C8096;
  background:#F3F7FB;
  padding:4px 10px;
  border-radius:999px;
}

/* Version & endpoint module */
.endpoint-grid{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:42px;
  align-items:center;
}
.endpoint-copy h2{font-size:28px;color:var(--title);letter-spacing:-.5px;margin-bottom:13px}
.endpoint-intro{font-size:15.5px;color:#506175;margin-bottom:22px;line-height:1.9}
.endpoint-list{list-style:none;display:grid;gap:12px}
.endpoint-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--border);
  border-radius:12px;
  padding:13px 15px;
  box-shadow:0 2px 8px rgba(21,32,51,.03);
}
.endpoint-list i{
  color:var(--teal);
  background:#E7F7F1;
  width:28px;
  height:28px;
  border-radius:9px;
  flex:0 0 28px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  margin-top:2px;
}
.endpoint-list span{color:var(--text);font-size:14.5px;line-height:1.7}
.endpoint-list b{color:var(--title)}
.endpoint-visual{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
  box-shadow:var(--shadow);
}
.endpoint-visual img{border-radius:12px;margin-bottom:16px;width:100%;height:230px;object-fit:cover}
.ver-note{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
}
.ver-card{
  padding:12px 8px 11px;
  background:#F5F8FC;
  border-radius:11px;
  text-align:center;
}
.ver-card strong{display:block;font-size:17px;font-weight:800;color:var(--title)}
.ver-card span{font-size:11px;color:var(--muted)}
.tag-line{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  background:#EAF2FF;
  border:1px solid #CFDFF6;
  padding:13px 16px;
  border-radius:13px;
  color:#35527a;
  font-size:13.5px;
  margin-top:14px;
}
.tag-line i{color:var(--blue)}
.tag-line a{font-weight:700;color:var(--blue)}

/* Coverage tags */
.coverage-strip{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  padding:24px 26px;
  box-shadow:var(--shadow);
}
.coverage-strip .coverage-head{
  display:flex;
  align-items:center;
  gap:9px;
  margin-bottom:14px;
}
.coverage-head i{color:var(--yellow);font-size:19px}
.coverage-head strong{color:var(--title);font-size:16px}
.more-list{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
}
.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:#F1F6FB;
  border:1px solid #DFE9F3;
  color:#486077;
  font-size:13px;
  padding:7px 13px;
  border-radius:999px;
  transition:all .2s;
}
.tag-pill i{color:var(--blue);font-size:12px}
.tag-pill:hover{background:#EAF2FF;color:var(--blue);border-color:#B8D1FF;transform:translateY(-1px)}

/* FAQ */
.faq-zone{background:var(--soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:74px 0}
.faq-center{max-width:850px;margin:42px auto 0}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  margin-bottom:13px;
  box-shadow:0 2px 8px rgba(21,32,51,.04);
  overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq-item.open{border-color:#C3D6F0;box-shadow:var(--shadow)}
.faq-question{
  width:100%;
  padding:0 20px;
  min-height:62px;
  background:transparent;
  border:0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  text-align:left;
  cursor:pointer;
  gap:16px;
  color:var(--title);
  font-size:15.5px;
  font-weight:600;
}
.faq-question .faq-arrow{
  flex:0 0 28px;
  width:28px;
  height:28px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:#EFF5FB;
  color:var(--blue);
  font-size:14px;
  transition:transform .25s,background .2s;
}
.faq-item.open .faq-arrow{transform:rotate(180deg);background:var(--blue);color:#fff}
.faq-panel{display:none;padding:0 20px 18px;color:#596A7E;font-size:14.5px;line-height:1.85}
.faq-item.open .faq-panel{display:block}
.faq-panel a{color:var(--blue);font-weight:600}
.faq-panel a:hover{text-decoration:underline}

/* Bottom CTA */
.final-cta{
  margin-top:84px;
  background-color:#10233D;
  background-image:linear-gradient(90deg,rgba(9,25,47,.94) 0%,rgba(15,50,92,.9) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  border-radius:24px;
  padding:54px 20px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.final-cta h2{
  color:#fff;
  font-size:31px;
  letter-spacing:-.5px;
  margin-bottom:12px;
}
.final-cta p{color:#BDD3EA;max-width:660px;margin:0 auto 30px;font-size:15.5px;line-height:1.85}
.cta-groups{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.cta-note{display:block;color:#93A6BC;font-size:12.5px;margin-top:17px}

/* Footer */
.site-footer{
  background:#0B1726;
  color:#B7C6D4;
  margin-top:74px;
}
.footer-main{
  display:grid;
  grid-template-columns:1.4fr .8fr .9fr 1.15fr;
  gap:42px;
  padding:54px 0 30px;
}
.footer-brand .brand-name{
  color:#fff;
}
.footer-brand p{
  color:#8CA2B4;
  font-size:13.5px;
  line-height:1.85;
  margin-top:17px;
  max-width:330px;
}
.footer-title{
  color:#EAF1F7;
  font-weight:600;
  font-size:15px;
  margin-bottom:15px;
}
.footer-links{list-style:none}
.footer-links a{
  display:inline-block;
  color:#8CA2B4;
  padding:4px 0;
  font-size:13.5px;
  transition:color .2s,padding-left .2s;
}
.footer-links a:hover{
  color:#6FA7FF;
  padding-left:4px;
}
.footer-note{
  color:#93A7B8;
  font-size:13.5px;
  line-height:1.85;
}
.footer-taglist a{
  display:inline-flex;
  background:#152A40;
  color:#9DB4C6;
  border-radius:999px;
  font-size:12px;
  padding:5px 11px;
  margin:0 6px 7px 0;
  transition:all .2s;
}
.footer-taglist a:hover{
  background:#1E4EC2;
  color:#fff;
}
.footer-bottom{
  border-top:1px solid #1D3347;
  padding:18px 0;
  margin-top:8px;
}
.footer-bottom-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:#798FA2;
}
.footer-bottom-wrap a{color:#A3B8CA}
@media (max-width:1024px){
  .footer-main{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .section-space,.sec-block,.timeline-area,.faq-zone{padding:56px 0}
  .nav-hot{display:none}
  .main-nav-list{display:none}
  .nav-toggle{display:inline-flex}
  .header-top{min-height:60px}
  .cat-hero{padding:40px 0 48px}
  .hero-grid,.insight-grid,.endpoint-grid,.timeline-wrap,.footer-main{grid-template-columns:1fr}
  .insight-main img{height:190px}
  .timeline-wrap{gap:14px}
  .footer-main{padding:40px 0 18px}
  .footer-bottom-wrap{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-logo{width:36px;height:36px;flex-basis:36px;font-size:16px}
  .brand-name{font-size:18px}
  .header-download{
    width:38px;
    padding:0;
    font-size:0;
    gap:0;
    justify-content:center;
    border-radius:11px;
    height:38px;
  }
  .header-download i{font-size:15px;margin:0}
  .hot-words{display:none}
  .search-inline{gap:10px;flex-direction:column}
  .search-inline input{width:100%}
  .hero-title{font-size:29px}
  .hero-desc{font-size:15px}
  .section-head h2,.endpoint-copy h2{font-size:23px}
  .final-cta h2{font-size:25px}
  .final-cta{padding:44px 16px}
  .floating-note{
    right:4px;
    bottom:-8px;
    font-size:12px;
    max-width:230px;
  }
}

/* roulang page: category3 */
:root{
  --primary:#2469F0;
  --primary-dark:#1E4EC2;
  --accent:#0FA38A;
  --yellow:#F7B500;
  --bg:#F6F9FC;
  --bg-soft:#EAF1F8;
  --card:#FFFFFF;
  --text:#152033;
  --body:#3E4A5A;
  --weak:#758295;
  --line:#E7EDF3;
  --success:#12A158;
  --warning:#E8A417;
  --error:#E04F5A;
  --shadow-sm:0 4px 16px rgba(21,32,51,.05);
  --shadow-md:0 12px 28px rgba(21,32,51,.10);
  --radius:12px;
  --container:1180px;
}
*{box-sizing:border-box}
html,body{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--body);font-family:"PingFang SC","Microsoft YaHei","Inter","Archivo",-apple-system,BlinkMacSystemFont,sans-serif;font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:0;cursor:pointer;background:none}
img{max-width:100%;display:block}
input{font-family:inherit}
.container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:0;z-index:2000;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 12px 0}
.skip-link:focus{left:0;color:#fff}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(36,105,240,.22);outline-offset:2px;border-radius:8px}
.section{padding:78px 0}
.section-hero{padding:78px 0 88px;background:var(--card);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.eyebrow:before{content:"";width:18px;height:2px;background:var(--primary);border-radius:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:10px 24px;border-radius:999px;font-size:15px;font-weight:600;line-height:1;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;border:1px solid transparent}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(36,105,240,.22)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(30,78,194,.26)}
.btn-ghost{background:#fff;border-color:#CBD8E8;color:var(--primary-dark)}
.btn-ghost:hover{border-color:var(--primary);background:var(--bg-soft);transform:translateY(-2px)}
.btn-soft{background:var(--bg-soft);color:var(--primary-dark)}
.btn-soft:hover{background:#DCE8FB;color:var(--primary-dark);transform:translateY(-2px)}
.link-more{display:inline-flex;align-items:center;gap:7px;color:var(--primary);font-weight:600;font-size:14px}
.link-more i{transition:transform .2s ease}
.link-more:hover i{transform:translateX(4px)}

/* ===== 公共导航 ===== */
.site-header{position:sticky;top:0;z-index:1200;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(21,32,51,.04);transition:box-shadow .25s ease}
.header-top{height:62px;display:flex;align-items:center;justify-content:space-between;gap:20px;transition:height .25s ease}
.brand{display:inline-flex;align-items:center;justify-content:center;gap:10px;flex-shrink:0}
.brand-logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(145deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:17px;box-shadow:0 5px 14px rgba(30,78,194,.24);transition:transform .2s ease}
.brand:hover .brand-logo{transform:rotate(-6deg) scale(1.04)}
.brand-name{font-size:19px;font-weight:800;color:var(--text);letter-spacing:.01em}
.brand-name b{color:var(--primary);font-weight:800}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-btn{width:40px;height:40px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;color:var(--body);background:transparent;transition:.2s}
.icon-btn:hover{background:var(--bg-soft);color:var(--primary)}
.header-download{height:40px;padding:0 18px;border-radius:999px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;box-shadow:0 6px 16px rgba(36,105,240,.18);transition:.2s}
.header-download:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(30,78,194,.24)}
.search-inline{max-height:0;overflow:hidden;background:#fff;padding:0;transition:max-height .3s ease,padding .3s ease;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.search-inline.show{max-height:160px;padding:14px 0 15px;border-bottom:1px solid var(--line)}
.search-inline>div:first-child{flex:1;min-width:260px;max-width:500px;margin-left:auto}
.search-inline input{width:100%;height:42px;border:1px solid #CFDBEA;border-radius:12px;background:#FBFCFE;padding:0 44px 0 16px;font-size:14px;color:var(--text);outline:none;transition:.2s}
.search-inline input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,105,240,.10);background:#fff}
.search-inline .hot-words{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--weak);max-width:490px;margin-right:auto}
.search-inline .hot-words a{color:var(--primary-dark)}
.search-inline .hot-words a:hover{color:var(--primary)}
.header-nav{border-top:1px solid rgba(21,32,51,.04);background:rgba(255,255,255,.94)}
.site-header.is-compact{box-shadow:0 10px 24px rgba(21,32,51,.07)}
.site-header.is-compact .header-top{height:52px}
.site-header.is-compact .brand-name{font-size:18px}
.main-nav{height:48px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.main-nav-list{display:flex;align-items:center;gap:2px;flex:1}
.main-nav-list li{position:relative}
.main-nav-list a{display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:999px;color:#3B4857;font-size:14px;font-weight:600;transition:.2s}
.main-nav-list a:hover{background:rgba(36,105,240,.06);color:var(--primary)}
.main-nav-list a.active{background:rgba(36,105,240,.09);color:var(--primary);font-weight:700}
.nav-hot{display:flex;align-items:center;gap:8px;font-size:12px;color:#8FA2B3;white-space:nowrap}
.nav-hot a{color:#6D7F91;transition:.2s}
.nav-hot a:hover{color:var(--primary)}
.nav-hot .dot{width:3px;height:3px;border-radius:50%;background:#A7B7C8;display:inline-block}
.nav-toggle{display:none;width:38px;height:38px;border-radius:10px;align-items:center;justify-content:center;color:var(--text);background:var(--bg-soft)}
.mobile-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;padding:10px 20px 16px;z-index:100}
.mobile-nav.open{display:flex}
.mobile-nav li{border-bottom:1px solid #EEF3F8}
.mobile-nav li:last-child{border-bottom:0}
.mobile-nav a{display:block;padding:13px 2px;color:var(--text);font-weight:600}
.mobile-nav a.active{color:var(--primary)}

/* ===== 安全认证首屏 ===== */
.security-hero{padding:84px 0 96px;background:linear-gradient(180deg,#FFFFFF 0%,#EAF3FF 100%);position:relative;overflow:hidden}
.security-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(36,105,240,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(36,105,240,.05) 1px,transparent 1px);background-size:34px 34px;mask-image:radial-gradient(ellipse at center,#000 10%,transparent 72%)}
.security-hero:after{content:"";position:absolute;right:-160px;top:-110px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle at 34% 36%,#B5D4FF,#DEEBFF 58%,transparent 72%);opacity:.6;pointer-events:none}
.security-hero .container{position:relative;z-index:2}
.hero-center{text-align:center;max-width:920px;margin-inline:auto}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:#fff;border:1px solid #D9E8FF;color:var(--primary);font-size:13px;font-weight:700;box-shadow:0 4px 10px rgba(36,105,240,.06)}
.hero-kicker i{font-size:13px}
.security-h1{font-size:40px;line-height:1.24;color:var(--text);font-weight:800;margin:22px auto 18px;letter-spacing:-.01em;max-width:820px}
.security-lead{font-size:17px;line-height:1.85;color:#4D5F75;max-width:760px;margin:0 auto 30px}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.security-trust{display:flex;justify-content:center;gap:28px;flex-wrap:wrap;margin-top:34px;padding-top:24px;border-top:1px solid rgba(36,105,240,.12)}
.security-trust li{display:inline-flex;align-items:center;gap:9px;color:var(--body);font-size:14px}
.security-trust i{color:var(--accent);font-size:15px}

/* ===== 2x2 安全卡片 ===== */
.section-panel{background:var(--bg)}
.section-head{max-width:720px;margin:0 auto 42px;text-align:center}
.section-head h2{font-size:27px;color:var(--text);line-height:1.35;font-weight:800;margin:8px 0 12px}
.section-head p{color:#55677B;font-size:15px;line-height:1.8}
.safety-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.safety-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 26px 24px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;overflow:hidden}
.safety-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--primary),#7AABFF);opacity:0;transition:.25s}
.safety-card:after{content:"";position:absolute;right:-36px;top:-42px;width:120px;height:120px;border-radius:50%;background:var(--bg-soft);opacity:.4;transition:.25s}
.safety-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#C8DEFC}
.safety-card:hover:before,.safety-card:nth-child(2n):hover:before{opacity:1}
.safety-card .card-icon{width:48px;height:48px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(145deg,var(--primary),#4C8CFF);font-size:20px;box-shadow:0 8px 18px rgba(36,105,240,.2);margin-bottom:16px;position:relative;z-index:1}
.safety-card:nth-child(2n) .card-icon{background:linear-gradient(145deg,var(--accent),#19C3A2);box-shadow:0 8px 18px rgba(15,163,138,.18)}
.safety-card h3{font-size:18px;color:var(--text);font-weight:700;line-height:1.4;margin-bottom:8px;position:relative;z-index:1}
.safety-card p{font-size:14px;line-height:1.82;color:#627283;position:relative;z-index:1}
.safety-card .card-tag{position:relative;z-index:1;display:inline-block;margin-top:14px;padding:3px 11px;border-radius:999px;background:#EDF8F5;color:#087A67;font-size:12px;font-weight:600}

/* ===== 不对称双列 ===== */
.section-tint{background:var(--bg-soft)}
.split-guide{display:grid;grid-template-columns:1fr .88fr;gap:50px;align-items:center}
.guide-copy .eyebrow{margin-bottom:14px}
.guide-copy h2{font-size:28px;line-height:1.35;color:var(--text);font-weight:800;margin-bottom:14px}
.guide-copy>p{font-size:16px;line-height:1.85;color:#54667A;margin-bottom:20px}
.guide-list{display:flex;flex-direction:column;gap:14px}
.guide-list li{display:flex;gap:13px;align-items:flex-start;background:rgba(255,255,255,.62);border:1px solid rgba(36,105,240,.08);border-radius:12px;padding:13px 15px;transition:.2s}
.guide-list li:hover{background:#fff;box-shadow:var(--shadow-sm);border-color:#C8DEFC}
.guide-list i{width:22px;height:22px;border-radius:50%;background:rgba(36,105,240,.1);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:11px;margin-top:3px;flex:0 0 auto}
.guide-list strong{display:block;color:var(--text);font-weight:700;font-size:15px}
.guide-list span{display:block;color:#64778A;font-size:13px;line-height:1.7}
.guide-visual{position:relative;border-radius:18px;background:#fff;padding:12px;box-shadow:var(--shadow-sm)}
.guide-visual img{width:100%;height:380px;object-fit:cover;border-radius:12px}
.visual-caption{display:flex;align-items:center;gap:10px;padding:14px 8px 4px;font-size:13px;color:#66798C}
.visual-caption i{color:var(--accent)}
.label-stack{display:flex;align-items:center;gap:8px;background:rgba(15,163,138,.1);color:#087A67;border-radius:8px;padding:4px 10px;font-weight:700;font-size:12px}

/* ===== 使用规范与合规说明 ===== */
.norm-layout{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm);overflow:hidden}
.norm-item{padding:38px 38px 42px}
.norm-item+.norm-item{border-left:1px solid var(--line);background:#FBFDFF}
.norm-item h3{display:flex;align-items:center;gap:12px;font-size:21px;color:var(--text);margin-bottom:14px;font-weight:800}
.norm-item h3 i{color:var(--primary)}
.norm-item p{font-size:15px;line-height:1.8;color:#5E6F82;margin-bottom:20px}
.check-list{display:flex;flex-direction:column;gap:12px}
.check-list li{position:relative;padding-left:32px;color:#495B6E;font-size:14px;line-height:1.7}
.check-list li:before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;background:rgba(15,163,138,.12);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:10px}
.tip-box{margin-top:26px;background:#F5FAFF;border:1px solid #CFE3FF;border-radius:12px;padding:14px 18px;display:flex;gap:12px;align-items:flex-start}
.tip-box i{color:var(--primary);margin-top:3px}
.tip-box span{font-size:13px;color:#506279;line-height:1.7}

/* ===== 提示条 ===== */
.stripe-notice{background:#13263E;border-radius:20px;padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;flex-wrap:wrap}
.stripe-left{display:flex;gap:18px;align-items:flex-start;max-width:760px}
.stripe-left i{color:var(--yellow);font-size:24px;line-height:1.4}
.stripe-left strong{display:block;font-size:18px;margin-bottom:6px}
.stripe-left p{font-size:14px;color:#B9CBDC;line-height:1.75}
.stripe-btn{display:inline-flex;align-items:center;gap:8px;background:var(--yellow);color:#1A2530;padding:9px 20px;border-radius:999px;font-weight:700;font-size:14px;box-shadow:0 8px 20px rgba(0,0,0,.15);transition:.2s}
.stripe-btn:hover{transform:translateY(-2px);background:#FFC527}

/* ===== 举报与通道 ===== */
.report-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;background:var(--card);border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow-sm);padding:42px 44px;align-items:center}
.report-copy h2{font-size:26px;line-height:1.4;color:var(--text);margin:10px 0 14px}
.report-copy>p{color:#5F7184;line-height:1.85;margin-bottom:22px}
.report-methods{display:flex;flex-direction:column;gap:12px}
.report-methods li{display:flex;gap:14px;align-items:flex-start;background:#F8FBFE;border:1px solid #E9EFF7;border-radius:12px;padding:12px 16px;font-size:14px;color:#4E6073;line-height:1.6}
.report-methods i{color:var(--primary);font-size:16px;margin-top:2px}
.report-aside{background:linear-gradient(155deg,#0B9D83 0%,#0A8A76 100%);color:#fff;border-radius:16px;padding:26px 26px;box-shadow:0 14px 30px rgba(15,163,138,.22)}
.report-aside h3{font-size:20px;font-weight:800;margin-bottom:12px;color:#fff}
.report-aside p{color:rgba(255,255,255,.88);font-size:14px;line-height:1.85;margin-bottom:20px}
.report-aside ul{display:flex;flex-direction:column;gap:8px}
.report-aside li{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.9)}
.report-aside li i{color:#A7FFE8}
.response-note{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);font-size:13px;color:rgba(255,255,255,.82);display:flex;gap:9px}
.response-note i{color:#A7FFE8;font-size:14px;margin-top:2px}

/* ===== FAQ ===== */
.section-faq{background:var(--bg)}
.faq-panel{max-width:840px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:13px;box-shadow:var(--shadow-sm);transition:box-shadow .2s,border-color .2s;overflow:hidden}
.faq-item.open{border-color:#C7DCF8;box-shadow:var(--shadow-sm)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:17px 22px;color:var(--text);font-size:15px;font-weight:700;background:none;transition:.2s}
.faq-question:hover{background:#F7FBFF;color:var(--primary)}
.faq-question span.faq-text{flex:1;line-height:1.55}
.faq-question .faq-icon{width:26px;height:26px;border-radius:50%;background:rgba(36,105,240,.09);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:12px;transition:transform .2s ease,background .2s ease;flex:0 0 auto}
.faq-item.open .faq-icon{background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-answer-inner{padding:0 22px 21px;color:#586B7E;font-size:14px;line-height:1.85}

/* ===== 底部Cta ===== */
.final-cta{padding:66px 0;background:linear-gradient(180deg,#EAF3FF 0%,#F6F9FC 100%)}
.final-card{display:flex;align-items:center;justify-content:space-between;gap:30px;background:#fff;border:1px solid #D7E6FA;border-radius:18px;padding:38px 42px;box-shadow:var(--shadow-sm);flex-wrap:wrap}
.final-copy h2{font-size:25px;color:var(--text);line-height:1.4;font-weight:800}
.final-copy p{color:#607284;font-size:14px;line-height:1.8;margin-top:9px}
.final-btns{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.final-btns .icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line)}
.final-btns .icon-btn:hover{border-color:var(--primary)}

/* ===== 页脚 ===== */
.site-footer{background:#111F33;color:#AFC3D4}
.site-footer .brand-name{color:#fff}
.site-footer .brand-name b{color:#77A8FF}
.footer-main{display:grid;grid-template-columns:1.15fr .72fr .8fr 1fr;gap:36px;padding:48px 0 30px}
.footer-brand p{font-size:13px;line-height:1.95;color:#8FA7BB;margin:16px 0 10px;max-width:350px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:13px;color:#8FA7BB;transition:.2s;display:inline-flex;align-items:center;gap:6px}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-note{font-size:13px;line-height:1.85;color:#8FA7BB}
.footer-taglist{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.footer-taglist a{padding:4px 10px;border:1px solid rgba(255,255,255,.14);border-radius:999px;color:#AFC8DA;font-size:12px;transition:.2s}
.footer-taglist a:hover{background:rgba(255,255,255,.08);border-color:var(--primary);color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09)}
.footer-bottom-wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:#7D93A8;padding:18px 0}
.footer-bottom-wrap div{display:inline-block}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .split-guide{grid-template-columns:1fr;gap:30px}
  .footer-main{grid-template-columns:1fr 1fr}
  .security-h1{font-size:36px}
  .report-panel{grid-template-columns:1fr}
  .guide-visual img{height:300px}
}
@media(max-width:900px){
  .main-nav-list{display:none}
  .nav-hot{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-nav{display:none}
  .mobile-nav.open{display:flex}
  .security-hero{padding:64px 0 72px}
  .safety-grid{grid-template-columns:1fr;gap:16px}
  .norm-layout{grid-template-columns:1fr}
  .norm-item+.norm-item{border-left:0;border-top:1px solid var(--line)}
  .stripe-notice{padding:26px}
  .site-header.is-compact .nav-toggle{display:inline-flex}
  .brand-name{font-size:18px}
}
@media(max-width:640px){
  .container{width:min(100% - 28px,1180px)}
  .section{padding:52px 0}
  .security-h1{font-size:28px;line-height:1.3}
  .security-lead{font-size:15px}
  .hero-actions .btn{width:100%}
  .header-actions{gap:4px}
  .header-download{width:40px;padding:0;justify-content:center;font-size:0}
  .header-download i{font-size:15px;margin:0}
  .header-top{height:56px}
  .site-header.is-compact .header-top{height:50px}
  .brand-logo{width:32px;height:32px}
  .brand-name{font-size:17px;letter-spacing:-.01em}
  .brand-name b{font-size:17px}
  .search-inline.show{max-height:230px}
  .search-inline{flex-direction:column;align-items:stretch}
  .search-inline>div:first-child{max-width:100%;width:100%}
  .search-inline .hot-words{margin-left:0;flex-wrap:wrap}
  .section-head h2{font-size:22px}
  .safety-card{padding:22px 20px}
  .safety-card .card-icon{width:44px;height:44px}
  .section-head{margin-bottom:30px}
  .split-guide h2,.guide-copy h2{font-size:22px}
  .guide-visual img{height:210px}
  .norm-item{padding:28px 22px}
  .stripe-notice{flex-direction:column;align-items:flex-start;padding:22px}
  .stripe-left{flex-direction:column;gap:10px}
  .report-panel{padding:26px 20px}
  .report-panel h2{font-size:22px}
  .final-cta{padding:44px 0}
  .final-card{padding:26px 22px;flex-direction:column;justify-content:flex-start}
  .final-btns{width:100%}
  .final-btns .btn{width:100%}
  .footer-main{grid-template-columns:1fr;gap:26px;padding:34px 0 20px}
  .footer-bottom-wrap{flex-direction:column;text-align:center;justify-content:center}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}