/* roulang page: index */
:root{
  --ink:#17131f;
  --ink-2:#241d2d;
  --night:#20162b;
  --night-2:#30203c;
  --paper:#f7f5f1;
  --white:#fffdf9;
  --muted:#766e7d;
  --line:#e7e0e7;
  --lime:#c7ef4a;
  --lime-dark:#8dad20;
  --orange:#ff9a54;
  --orange-soft:#fff0e4;
  --purple:#7754aa;
  --radius:18px;
  --shadow:0 16px 40px rgba(37,22,48,.10);
  --shadow-dark:0 18px 46px rgba(8,4,15,.25);
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{height:78px;background:var(--night);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
.nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;min-width:235px;font-weight:800;letter-spacing:-.03em}
.logo-mark{width:39px;height:39px;border-radius:12px;background:var(--lime);color:var(--night);display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:4px 4px 0 rgba(255,154,84,.75)}
.logo-text{font-size:15px;line-height:1.25}
.logo-text small{display:block;color:#bcb1c9;font-size:11px;font-weight:500;letter-spacing:.05em;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.main-nav a{padding:10px 10px;color:#cfc6d5;font-size:13px;white-space:nowrap;position:relative;transition:.2s}
.main-nav a:hover,.main-nav a.active{color:#fff}
.main-nav a.active:after{content:"";position:absolute;height:3px;left:10px;right:10px;bottom:2px;background:var(--lime);border-radius:5px}
.nav-download{background:var(--lime);color:var(--night);padding:11px 17px;border-radius:10px;font-size:13px;font-weight:800;white-space:nowrap;transition:.2s}
.nav-download:hover{background:#e0fa72;transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:8px;padding:5px 9px}
.hero{background:var(--night);color:#fff;padding:78px 0 92px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;opacity:.25;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:45px 45px;mask-image:linear-gradient(90deg,#000,transparent 80%)}
.hero:after{content:"C7";position:absolute;right:5%;top:-45px;color:transparent;-webkit-text-stroke:1px rgba(199,239,74,.18);font-size:330px;line-height:1;font-weight:900;transform:rotate(-8deg)}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);display:flex;align-items:center;gap:10px}
.eyebrow:before,.section-kicker:before{content:"";width:28px;height:3px;background:var(--orange);border-radius:4px}
.hero h1{font-size:clamp(38px,5vw,67px);line-height:1.1;letter-spacing:-.065em;margin:19px 0 22px;max-width:700px}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-copy{max-width:600px;color:#cfc5d6;font-size:17px;line-height:1.9}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:31px}
.btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.2s}
.btn-primary{background:var(--lime);color:var(--night)}
.btn-primary:hover{background:#e1fb72;transform:translateY(-2px);box-shadow:0 9px 20px rgba(199,239,74,.18)}
.btn-secondary{border-color:#655873;color:#fff;background:rgba(255,255,255,.04)}
.btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
.hero-panel{background:#fffdf9;color:var(--ink);border-radius:24px;padding:25px;box-shadow:var(--shadow-dark);transform:rotate(2deg)}
.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:17px;margin-bottom:18px}
.panel-title{font-weight:900;font-size:19px}
.status{font-size:11px;background:#edf8c8;color:#5e7512;border-radius:20px;padding:4px 9px;font-weight:800}
.panel-feature{background:var(--night-2);border-radius:15px;color:#fff;padding:22px;min-height:180px;position:relative;overflow:hidden}
.panel-feature:after{content:"✦";position:absolute;right:24px;bottom:5px;color:var(--lime);font-size:90px;opacity:.45}
.panel-feature strong{font-size:25px;display:block;line-height:1.25;position:relative;z-index:1}
.panel-feature p{color:#cabfd2;font-size:13px;position:relative;z-index:1}
.panel-lines{display:grid;gap:10px;margin-top:16px}
.panel-line{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:#f4f0f2;border-radius:9px;font-size:13px}
.panel-line b{color:var(--purple)}
.section{padding:90px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
.section-head h2{font-size:34px;line-height:1.2;letter-spacing:-.04em;margin:8px 0 0}
.section-head p{max-width:450px;color:var(--muted);margin:0}
.quick-strip{margin-top:-34px;position:relative;z-index:2}
.quick-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr 1fr 1fr;gap:10px}
.quick-item{background:var(--white);padding:19px 18px;border:1px solid var(--line);border-radius:13px;transition:.2s}
.quick-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d0e47a}
.quick-number{font-size:11px;color:var(--orange);font-weight:900}
.quick-item h3{font-size:16px;margin:6px 0 3px}
.quick-item p{font-size:12px;color:var(--muted);margin:0;line-height:1.5}
.feature-layout{display:grid;grid-template-columns:1.55fr .85fr;gap:18px}
.feature-main{background:var(--night);color:#fff;border-radius:22px;padding:34px;min-height:315px;position:relative;overflow:hidden}
.feature-main:before{content:"01";position:absolute;right:27px;top:10px;font-size:120px;font-weight:900;color:rgba(199,239,74,.12);line-height:1}
.feature-main h3{font-size:31px;max-width:500px;line-height:1.25;margin:28px 0 12px;position:relative}
.feature-main p{color:#c7bdce;max-width:490px}
.card-label{display:inline-block;border-radius:6px;padding:4px 9px;background:var(--orange);color:#3b2112;font-size:11px;font-weight:900}
.text-link{font-size:13px;font-weight:800;color:var(--lime-dark);display:inline-flex;gap:7px;align-items:center}
.dark-link{color:var(--lime)}
.side-stack{display:grid;gap:18px}
.mini-card{padding:25px;border-radius:18px;background:#ebe5ee;border:1px solid #ddd2e1;min-height:148px;transition:.2s}
.mini-card:nth-child(2){background:#fff1e5}
.mini-card:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.mini-card h3{font-size:20px;line-height:1.3;margin:16px 0 7px}
.mini-card p{font-size:13px;color:var(--muted);margin:0}
.news-section{background:#fffdf9}
.news-layout{display:grid;grid-template-columns:1fr 310px;gap:55px}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:105px 1fr 90px;gap:23px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);transition:.2s}
.news-item:hover{padding-left:8px;background:linear-gradient(90deg,#fffdf9,#f7f3f7)}
.news-date{font-size:12px;color:var(--orange);font-weight:800}
.news-date strong{display:block;color:var(--ink);font-size:22px;line-height:1.2}
.news-item h3{font-size:17px;margin:0 0 5px;line-height:1.4}
.news-item p{margin:0;color:var(--muted);font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-tag{justify-self:end;color:var(--purple);background:#f0ebf5;border-radius:20px;padding:4px 9px;font-size:11px;font-weight:800}
.news-aside{background:var(--night);color:#fff;border-radius:18px;padding:25px;height:max-content}
.news-aside h3{font-size:21px;margin:4px 0 12px}
.news-aside p{color:#c6bbcd;font-size:13px}
.aside-points{list-style:none;padding:0;margin:21px 0 0}
.aside-points li{padding:11px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#ded5e3}
.app-zone{padding:76px 0;background:var(--night-2);color:#fff;overflow:hidden}
.app-layout{display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:center}
.app-zone h2{font-size:39px;line-height:1.22;margin:12px 0 17px;letter-spacing:-.04em}
.app-zone p{color:#cec3d5;max-width:530px}
.app-tags{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
.app-tag{border:1px solid #6a5878;border-radius:8px;padding:6px 10px;font-size:12px;color:#e4dce8}
.qr-row{display:flex;align-items:center;gap:17px;margin-top:26px}
.qr{width:88px;height:88px;background:#fff;padding:7px;display:grid;grid-template-columns:repeat(7,1fr);gap:2px;border-radius:7px}
.qr i{background:var(--night);display:block}
.qr i:nth-child(3n+1){background:var(--lime)}
.qr-note{font-size:12px;color:#c5b9cd}
.phone-stage{min-height:315px;position:relative;display:flex;justify-content:center;align-items:center}
.phone{width:190px;height:355px;background:#111016;border:7px solid #08070b;border-radius:31px;box-shadow:var(--shadow-dark);padding:20px 12px;transform:rotate(7deg);position:relative;z-index:1}
.phone:before{content:"";display:block;width:52px;height:5px;background:#494050;border-radius:10px;margin:0 auto 22px}
.phone-screen{height:270px;border-radius:17px;background:linear-gradient(150deg,#60448b 0 38%,#c7ef4a 38% 40%,#2c2039 40%);padding:15px;color:#fff}
.phone-screen b{display:block;font-size:22px;line-height:1.1;margin-top:35px}
.phone-screen span{display:block;color:#e5dced;font-size:11px;margin-top:9px}
.phone-card{background:#fff;color:var(--ink);border-radius:9px;padding:9px;margin-top:29px;font-size:11px}
.phone-card strong{font-size:13px}
.app-orbit{position:absolute;width:280px;height:280px;border:1px dashed rgba(199,239,74,.45);border-radius:50%}
.app-orbit:after{content:"C7APP";position:absolute;right:0;top:38px;background:var(--orange);color:#32190e;border-radius:8px;padding:8px 10px;font-size:11px;font-weight:900}
.category-section{background:#f1ede9}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.category-card{background:var(--white);border-radius:15px;padding:22px;border:1px solid var(--line);display:flex;justify-content:space-between;align-items:end;min-height:133px;transition:.2s}
.category-card:hover{background:var(--night);color:#fff;transform:translateY(-4px)}
.category-card .index{font-size:12px;color:var(--orange);font-weight:900}
.category-card h3{margin:10px 0 0;font-size:19px}
.category-card p{font-size:12px;color:var(--muted);margin:3px 0 0}
.category-card:hover p{color:#c9bed1}
.category-arrow{font-size:25px;color:var(--lime-dark)}
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:75px}
.faq-intro h2{font-size:34px;line-height:1.25;margin:11px 0}
.faq-intro p{color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:0}
summary{list-style:none;cursor:pointer;padding:19px 35px 19px 0;font-weight:800;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:3px;font-size:22px;color:var(--purple);transition:.2s}
details[open] summary:after{content:"−";color:var(--orange)}
details p{color:var(--muted);font-size:14px;padding:0 25px 19px 0;margin:0}
.final-cta{background:var(--lime);padding:52px 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta-inner h2{font-size:31px;margin:0;line-height:1.25}
.cta-inner p{margin:7px 0 0;color:#526312}
.cta-inner .btn{background:var(--night);color:#fff}
.cta-inner .btn:hover{background:#3a2848}
.site-footer{background:var(--ink);color:#fff;padding:53px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:40px;padding-bottom:38px}
.footer-brand p{color:#a99eae;font-size:13px;max-width:280px}
.footer-title{font-size:13px;font-weight:900;margin:4px 0 14px}
.footer-links{display:grid;gap:8px}
.footer-links a{color:#aaa0b1;font-size:13px;transition:.2s}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid #332c39;padding-top:18px;color:#887d8b;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
.footer-bottom a{color:#aaa0b1}
.empty-state{padding:28px 0;color:var(--muted);font-size:14px}
@media(max-width:1100px){
  .main-nav{gap:0}.main-nav a{padding-left:7px;padding-right:7px;font-size:12px}.logo{min-width:205px}
  .quick-grid{grid-template-columns:repeat(3,1fr)}.quick-item:first-child{grid-column:span 1}
}
@media(max-width:820px){
  .container{width:min(var(--container),calc(100% - 32px))}
  .site-header,.nav-wrap{height:68px}.nav-wrap{gap:12px}.logo{min-width:0;flex:1}.logo-text{font-size:13px}.logo-text small{display:none}
  .menu-toggle{display:block}.main-nav{display:none;position:absolute;left:16px;right:16px;top:62px;background:var(--night-2);padding:10px;display:none;flex-direction:column;align-items:stretch;border-radius:12px;box-shadow:var(--shadow-dark)}
  .main-nav.open{display:flex}.main-nav a{padding:12px}.main-nav a.active:after{left:7px;right:auto;width:30px;bottom:5px}
  .nav-download{padding:9px 11px;font-size:12px}
  .hero{padding:56px 0 72px}.hero-inner,.app-layout,.faq-grid{grid-template-columns:1fr;gap:35px}.hero:after{font-size:190px;top:45px}.hero-panel{max-width:500px}
  .section{padding:65px 0}.section-head{display:block}.section-head p{margin-top:12px}.section-head h2{font-size:29px}
  .feature-layout,.news-layout{grid-template-columns:1fr}.news-aside{display:none}.app-zone{padding:60px 0}.phone-stage{min-height:320px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid .footer-block:last-child{display:none}
}
@media(max-width:560px){
  .hero h1{font-size:38px}.hero-copy{font-size:15px}.actions .btn{width:100%}.quick-grid{grid-template-columns:1fr 1fr}.quick-item:first-child{grid-column:span 2}
  .feature-main{padding:25px;min-height:285px}.feature-main h3{font-size:25px}.mini-card{min-height:130px}
  .news-item{grid-template-columns:70px 1fr;gap:12px}.news-tag{grid-column:2;justify-self:start;margin-top:-8px}.news-date strong{font-size:19px}
  .app-zone h2{font-size:30px}.qr-row{align-items:flex-start}.category-grid{grid-template-columns:1fr}.category-card{min-height:112px}
  .cta-inner{display:block}.cta-inner h2{font-size:26px}.cta-inner .btn{margin-top:22px;width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
}

/* roulang page: article */
:root{
      --ink:#17131f;
      --ink-2:#241d2d;
      --night:#20162b;
      --night-2:#30203c;
      --paper:#f7f5f1;
      --white:#fffdf9;
      --muted:#766e7d;
      --line:#e7e0e7;
      --lime:#c7ef4a;
      --lime-dark:#8dad20;
      --orange:#ff9a54;
      --orange-soft:#fff0e4;
      --purple:#7754aa;
      --radius:18px;
      --shadow:0 16px 40px rgba(37,22,48,.10);
      --shadow-dark:0 18px 46px rgba(8,4,15,.25);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:var(--night);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:235px;font-weight:800;letter-spacing:-.03em}
    .logo-mark{width:39px;height:39px;border-radius:12px;background:var(--lime);color:var(--night);display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:4px 4px 0 rgba(255,154,84,.75)}
    .logo-text{font-size:15px;line-height:1.25}
    .logo-text small{display:block;color:#bcb1c9;font-size:11px;font-weight:500;letter-spacing:.05em;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px;color:#cfc6d5;font-size:13px;white-space:nowrap;position:relative;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:#fff}
    .main-nav a.active:after{content:"";position:absolute;height:3px;left:10px;right:10px;bottom:2px;background:var(--lime);border-radius:5px}
    .nav-download{background:var(--lime);color:var(--night);padding:11px 17px;border-radius:10px;font-size:13px;font-weight:800;white-space:nowrap;transition:.2s}
    .nav-download:hover{background:#e0fa72;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:8px;padding:5px 9px}
    .article-hero{background:var(--night);color:#fff;padding:64px 0 72px;position:relative;overflow:hidden}
    .article-hero:before{content:"";position:absolute;inset:0;opacity:.24;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:45px 45px;mask-image:linear-gradient(90deg,#000,transparent 82%)}
    .article-hero:after{content:"C7";position:absolute;right:6%;top:-42px;color:transparent;-webkit-text-stroke:1px rgba(199,239,74,.17);font-size:285px;line-height:1;font-weight:900;transform:rotate(-8deg)}
    .hero-content{position:relative;z-index:1;max-width:900px}
    .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--orange);display:flex;align-items:center;gap:10px}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:3px;background:var(--orange);border-radius:4px}
    .breadcrumb-line{display:flex;align-items:center;gap:9px;color:#aaa0b3;font-size:13px;margin-bottom:27px;flex-wrap:wrap}
    .breadcrumb-line a:hover{color:var(--lime)}
    .article-hero h1{font-size:clamp(34px,5vw,62px);line-height:1.18;letter-spacing:-.055em;margin:18px 0 22px;max-width:850px}
    .article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:#cfc5d6;font-size:13px}
    .article-meta .tag{background:var(--orange);color:#3b2112;border-radius:6px;padding:4px 10px;font-weight:800}
    .article-layout{display:grid;grid-template-columns:minmax(0,800px) 290px;gap:56px;align-items:start;padding:72px 0 96px}
    .article-intro{background:var(--orange-soft);border-left:4px solid var(--orange);border-radius:0 14px 14px 0;padding:22px 25px;margin-bottom:35px;color:#4d3a31;font-size:17px}
    .article-content{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:clamp(25px,5vw,54px);box-shadow:0 10px 30px rgba(37,22,48,.04);overflow:hidden}
    .article-content h2{font-size:30px;line-height:1.3;margin:38px 0 15px;letter-spacing:-.035em}
    .article-content h3{font-size:22px;line-height:1.4;margin:30px 0 12px}
    .article-content p{margin:0 0 21px;color:#453d4a}
    .article-content ul,.article-content ol{padding-left:25px;margin:12px 0 25px;color:#453d4a}
    .article-content li{padding:4px 0}
    .article-content blockquote{margin:28px 0;padding:20px 24px;background:#f0ebf3;border-radius:13px;border-left:4px solid var(--purple);color:#51465c}
    .article-content img{border-radius:14px;margin:28px auto}
    .article-content table{width:100%;border-collapse:collapse;margin:25px 0;display:block;overflow-x:auto}
    .article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap}
    .article-content th{background:#f0ebf3;font-weight:800}
    .article-content a{color:var(--lime-dark);text-decoration:underline;text-underline-offset:3px}
    .side-card{background:var(--night);color:#fff;border-radius:20px;padding:25px;position:sticky;top:106px;box-shadow:var(--shadow-dark)}
    .side-card h2{font-size:20px;line-height:1.35;margin:0 0 17px}
    .side-card p{font-size:13px;color:#cfc5d6;margin:0 0 22px}
    .side-links{border-top:1px solid rgba(255,255,255,.15);margin-top:20px;padding-top:10px}
    .side-links a{display:flex;justify-content:space-between;gap:10px;padding:11px 0;color:#ddd5e2;font-size:13px;border-bottom:1px solid rgba(255,255,255,.1)}
    .side-links a:hover{color:var(--lime);padding-left:4px}
    .side-links span{color:var(--orange)}
    .empty-state{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:70px 30px;text-align:center}
    .empty-state h2{font-size:28px;margin:0 0 15px}
    .empty-state p{color:var(--muted);margin:0 0 24px}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--night)}
    .btn-primary:hover{background:#e1fb72;transform:translateY(-2px);box-shadow:0 9px 20px rgba(199,239,74,.18)}
    .btn-secondary{border-color:#655873;color:#fff;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
    .article-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);margin-top:38px;padding-top:25px;color:var(--muted);font-size:13px;flex-wrap:wrap}
    .cta-strip{background:var(--night-2);color:#fff;padding:58px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-inner h2{font-size:30px;line-height:1.25;margin:8px 0 8px}
    .cta-inner p{color:#cfc5d6;margin:0}
    .site-footer{background:var(--ink);color:#fff;padding:54px 0 24px}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    .footer-brand p{color:#aaa0b0;font-size:13px;max-width:310px;margin:19px 0 0}
    .footer-title{font-size:13px;font-weight:800;color:var(--lime);margin-bottom:13px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#b9b0be;font-size:13px;transition:.2s}
    .footer-links a:hover{color:#fff;padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:19px;display:flex;justify-content:space-between;gap:15px;color:#8f8495;font-size:12px;flex-wrap:wrap}
    .footer-bottom a{color:#b9b0be}
    .footer-bottom a:hover{color:var(--lime)}
    @media (max-width:1024px){
      .nav-wrap{gap:15px}.logo{min-width:210px}.main-nav a{padding:9px 6px;font-size:12px}.main-nav a.active:after{left:6px;right:6px}
      .article-layout{grid-template-columns:minmax(0,1fr) 255px;gap:30px}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header,.nav-wrap{height:70px}.nav-wrap{position:relative}
      .logo{min-width:0;flex:1}.logo-text{font-size:14px}.logo-text small{font-size:10px}
      .main-nav{display:none;position:absolute;top:70px;left:-16px;right:-16px;background:var(--night);padding:12px 16px 18px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow-dark)}
      .main-nav.open{display:flex}.main-nav a{padding:11px 9px;border-bottom:1px solid rgba(255,255,255,.08)}
      .main-nav a.active:after{left:0;right:auto;width:28px;bottom:3px}
      .nav-download{padding:9px 11px;font-size:12px}.menu-toggle{display:block}
      .article-hero{padding:45px 0 53px}.article-hero h1{font-size:38px}
      .article-layout{display:block;padding:42px 0 65px}.side-card{position:static;margin-top:28px}
      .cta-inner{display:block}.cta-inner .btn{margin-top:23px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}
    }
    @media (max-width:520px){
      .logo-mark{width:35px;height:35px;font-size:17px}.logo-text small{letter-spacing:0}
      .nav-download{display:none}.article-hero h1{font-size:32px}.breadcrumb-line{font-size:12px}
      .article-content{padding:23px 19px}.article-content h2{font-size:25px}.article-content h3{font-size:20px}
      .article-intro{font-size:15px;padding:17px 18px}.article-footer{align-items:flex-start}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}
    }

/* roulang page: category1 */
:root{
      --ink:#17131f;
      --ink-2:#241d2d;
      --night:#20162b;
      --night-2:#30203c;
      --paper:#f7f5f1;
      --white:#fffdf9;
      --muted:#766e7d;
      --line:#e7e0e7;
      --lime:#c7ef4a;
      --lime-dark:#8dad20;
      --orange:#ff9a54;
      --orange-soft:#fff0e4;
      --purple:#7754aa;
      --radius:18px;
      --shadow:0 16px 40px rgba(37,22,48,.10);
      --shadow-dark:0 18px 46px rgba(8,4,15,.25);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:var(--night);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:235px;font-weight:800;letter-spacing:-.03em}
    .logo-mark{width:39px;height:39px;border-radius:12px;background:var(--lime);color:var(--night);display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:4px 4px 0 rgba(255,154,84,.75)}
    .logo-text{font-size:15px;line-height:1.25}
    .logo-text small{display:block;color:#bcb1c9;font-size:11px;font-weight:500;letter-spacing:.05em;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px;color:#cfc6d5;font-size:13px;white-space:nowrap;position:relative;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:#fff}
    .main-nav a.active:after{content:"";position:absolute;height:3px;left:10px;right:10px;bottom:2px;background:var(--lime);border-radius:5px}
    .nav-download{background:var(--lime);color:var(--night);padding:11px 17px;border-radius:10px;font-size:13px;font-weight:800;white-space:nowrap;transition:.2s}
    .nav-download:hover{background:#e0fa72;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:8px;padding:5px 9px}
    .page-hero{background:var(--night);color:#fff;padding:74px 0 78px;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;opacity:.23;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(90deg,#000,transparent 82%)}
    .page-hero:after{content:"01";position:absolute;right:8%;top:-45px;color:transparent;-webkit-text-stroke:1px rgba(199,239,74,.18);font-size:290px;line-height:1;font-weight:900;transform:rotate(-8deg)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:65px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--orange);display:flex;align-items:center;gap:10px}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:3px;background:var(--orange);border-radius:4px}
    .page-hero h1{font-size:clamp(39px,5vw,65px);line-height:1.1;letter-spacing:-.065em;margin:18px 0 20px;max-width:680px}
    .page-hero h1 em{font-style:normal;color:var(--lime)}
    .hero-copy{max-width:610px;color:#cfc5d6;font-size:17px;line-height:1.9;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--night)}
    .btn-primary:hover{background:#e1fb72;transform:translateY(-2px);box-shadow:0 9px 20px rgba(199,239,74,.18)}
    .btn-secondary{border-color:#655873;color:#fff;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
    .hero-board{background:var(--white);color:var(--ink);border-radius:24px;padding:24px;box-shadow:var(--shadow-dark);transform:rotate(2deg)}
    .board-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .board-title{font-weight:900;font-size:18px}
    .board-code{font-size:12px;color:var(--purple);font-weight:900}
    .board-main{background:var(--night-2);border-radius:15px;color:#fff;padding:23px;min-height:190px;position:relative;overflow:hidden}
    .board-main:after{content:"C7";position:absolute;right:16px;bottom:-24px;font-size:110px;line-height:1;color:rgba(199,239,74,.18);font-weight:900}
    .board-main strong{font-size:26px;line-height:1.25;display:block;max-width:220px;position:relative;z-index:1}
    .board-main p{color:#cabfd2;font-size:13px;max-width:235px;position:relative;z-index:1}
    .board-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
    .tag{display:inline-block;border-radius:6px;padding:4px 9px;background:var(--orange);color:#3b2112;font-size:11px;font-weight:900}
    .tag.lime{background:var(--lime);color:var(--night)}
    .section{padding:86px 0}
    .section.light{background:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head h2{font-size:34px;line-height:1.2;letter-spacing:-.04em;margin:8px 0 0}
    .section-head p{max-width:470px;color:var(--muted);margin:0}
    .crumbs{padding:22px 0 0;color:var(--muted);font-size:13px}
    .crumbs a{color:var(--purple)}
    .zone-layout{display:grid;grid-template-columns:1.45fr .75fr;gap:18px}
    .zone-main{background:var(--night);color:#fff;border-radius:22px;padding:34px;min-height:330px;position:relative;overflow:hidden}
    .zone-main:before{content:"游戏入口";position:absolute;right:-25px;bottom:10px;color:rgba(255,255,255,.06);font-size:75px;font-weight:900;transform:rotate(-12deg)}
    .zone-main h3{font-size:32px;line-height:1.25;max-width:500px;margin:26px 0 12px;position:relative;z-index:1}
    .zone-main p{color:#c7bdce;max-width:500px;position:relative;z-index:1}
    .zone-side{display:grid;gap:18px}
    .zone-card{background:#ebe5ee;border:1px solid #ddd2e1;border-radius:18px;padding:24px;min-height:155px;transition:.2s}
    .zone-card:nth-child(2){background:var(--orange-soft)}
    .zone-card:hover,.game-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .zone-card h3{font-size:21px;line-height:1.3;margin:15px 0 6px}
    .zone-card p{font-size:13px;color:var(--muted);margin:0}
    .game-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:14px}
    .game-card{border:1px solid var(--line);border-radius:16px;background:var(--white);padding:24px;min-height:220px;transition:.2s;position:relative;overflow:hidden}
    .game-card.primary{background:#f0f6d9;border-color:#dce9a6;min-height:270px}
    .game-card.dark{background:var(--night-2);color:#fff}
    .game-card h3{font-size:22px;line-height:1.3;margin:18px 0 9px}
    .game-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
    .game-card.dark p{color:#cfc5d6}
    .game-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);margin-top:20px}
    .game-card.dark .game-meta{color:#bcb1c9}
    .status{font-size:11px;font-weight:800;color:var(--lime-dark);background:#edf7c8;border-radius:20px;padding:4px 9px}
    .status.orange{color:#a65320;background:#ffe1ca}
    .category-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .category-item{padding:22px;background:var(--paper);border:1px solid var(--line);border-radius:14px;transition:.2s}
    .category-item:hover{border-color:var(--lime-dark);background:#fbffe9;transform:translateY(-3px)}
    .category-num{font-size:12px;font-weight:900;color:var(--orange)}
    .category-item h3{font-size:17px;margin:12px 0 5px}
    .category-item p{font-size:13px;color:var(--muted);margin:0}
    .timeline{border-top:1px solid var(--line)}
    .timeline-item{display:grid;grid-template-columns:105px 1fr 100px;gap:22px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:.2s}
    .timeline-item:hover{padding-left:8px;background:rgba(199,239,74,.08)}
    .timeline-time{color:var(--orange);font-size:13px;font-weight:900}
    .timeline-item h3{font-size:18px;margin:0 0 4px}
    .timeline-item p{margin:0;color:var(--muted);font-size:13px}
    .read-link{color:var(--lime-dark);font-size:13px;font-weight:900;text-align:right}
    .app-banner{background:var(--night);color:#fff;border-radius:25px;padding:38px 44px;display:grid;grid-template-columns:1.2fr .8fr;gap:35px;align-items:center;overflow:hidden;position:relative}
    .app-banner:after{content:"C7APP";position:absolute;right:-18px;bottom:-45px;color:rgba(199,239,74,.1);font-size:110px;font-weight:900}
    .app-banner h2{font-size:34px;line-height:1.25;margin:13px 0 12px;position:relative;z-index:1}
    .app-banner p{color:#cfc5d6;max-width:570px;position:relative;z-index:1}
    .app-info{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px;position:relative;z-index:1}
    .app-info span{border:1px solid #665873;color:#d9d0df;border-radius:8px;padding:8px 11px;font-size:12px}
    .app-side{position:relative;z-index:1;background:#fffdf9;color:var(--ink);border-radius:17px;padding:20px;max-width:280px;margin-left:auto}
    .qr-box{height:115px;background:repeating-linear-gradient(45deg,#241d2d 0 4px,#fffdf9 4px 8px);border:8px solid #fffdf9;outline:1px solid #ddd2e1;width:115px;margin:0 auto 14px}
    .app-side strong{display:block;text-align:center;font-size:15px}
    .app-side small{display:block;text-align:center;color:var(--muted);font-size:11px;margin-top:4px}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px}
    .faq-intro h2{font-size:35px;line-height:1.2;margin:12px 0}
    .faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{list-style:none;cursor:pointer;padding:19px 34px 19px 0;font-weight:800;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";position:absolute;right:2px;color:var(--purple);font-size:22px;top:14px}
    .faq-item[open] summary:after{content:"−";color:var(--orange)}
    .faq-answer{color:var(--muted);font-size:14px;padding:0 30px 20px 0}
    .site-footer{background:var(--ink);color:#fff;padding:56px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.7fr .8fr .8fr .9fr;gap:35px}
    .footer-brand .logo{min-width:0}
    .footer-brand p{color:#bcb1c9;font-size:13px;max-width:330px;margin:20px 0 0}
    .footer-title{font-size:13px;font-weight:900;color:var(--lime);margin-bottom:13px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#cfc6d5;transition:.2s}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#968aa0;font-size:12px}
    .footer-bottom a:hover{color:var(--lime)}
    @media(max-width:1024px){
      .nav-wrap{gap:14px}.logo{min-width:205px}.main-nav{gap:0}.main-nav a{padding-left:7px;padding-right:7px;font-size:12px}
      .hero-inner{gap:35px}.game-grid{grid-template-columns:1fr 1fr}.game-card.primary{grid-row:span 2}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header,.nav-wrap{height:70px}.nav-wrap{gap:12px}.logo{min-width:0;flex:1}.logo-text{font-size:13px}.logo-text small{font-size:9px}
      .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--night);padding:12px 16px 18px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.1)}
      .main-nav.open{display:flex}.main-nav a{padding:12px 10px}.main-nav a.active:after{left:10px;right:auto;width:35px;bottom:5px}
      .menu-toggle{display:block}.nav-download{padding:9px 11px;font-size:12px}
      .page-hero{padding:55px 0 62px}.hero-inner,.zone-layout,.app-banner,.faq-grid{grid-template-columns:1fr}.hero-board{max-width:440px;margin:0 auto;transform:none}
      .section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:14px}.section-head h2,.faq-intro h2,.app-banner h2{font-size:29px}
      .zone-side{grid-template-columns:1fr 1fr}.category-strip{grid-template-columns:1fr 1fr}
      .app-side{margin:0 auto}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .logo-mark{width:35px;height:35px;font-size:17px}.logo-text small{display:none}.nav-download{font-size:11px;padding:8px 9px}
      .page-hero h1{font-size:40px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}
      .zone-side,.game-grid,.category-strip{grid-template-columns:1fr}.game-card.primary{grid-row:auto}
      .zone-main{padding:26px;min-height:280px}.zone-main h3{font-size:27px}
      .timeline-item{grid-template-columns:1fr;gap:5px;padding:18px 0}.read-link{text-align:left;margin-top:5px}
      .app-banner{padding:30px 22px}.app-banner h2{font-size:27px}.footer-grid{grid-template-columns:1fr 1fr}
    }

/* roulang page: category2 */
:root{
      --ink:#17131f;
      --ink-2:#241d2d;
      --night:#20162b;
      --night-2:#30203c;
      --paper:#f7f5f1;
      --white:#fffdf9;
      --muted:#766e7d;
      --line:#e7e0e7;
      --lime:#c7ef4a;
      --lime-dark:#8dad20;
      --orange:#ff9a54;
      --orange-soft:#fff0e4;
      --purple:#7754aa;
      --radius:18px;
      --shadow:0 16px 40px rgba(37,22,48,.10);
      --shadow-dark:0 18px 46px rgba(8,4,15,.25);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:var(--night);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:235px;font-weight:800;letter-spacing:-.03em}
    .logo-mark{width:39px;height:39px;border-radius:12px;background:var(--lime);color:var(--night);display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:4px 4px 0 rgba(255,154,84,.75)}
    .logo-text{font-size:15px;line-height:1.25}
    .logo-text small{display:block;color:#bcb1c9;font-size:11px;font-weight:500;letter-spacing:.05em;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px;color:#cfc6d5;font-size:13px;white-space:nowrap;position:relative;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:#fff}
    .main-nav a.active:after{content:"";position:absolute;height:3px;left:10px;right:10px;bottom:2px;background:var(--lime);border-radius:5px}
    .nav-download{background:var(--lime);color:var(--night);padding:11px 17px;border-radius:10px;font-size:13px;font-weight:800;white-space:nowrap;transition:.2s}
    .nav-download:hover{background:#e0fa72;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:8px;padding:5px 9px}
    .hero{background:var(--night);color:#fff;padding:72px 0 76px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;opacity:.25;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:45px 45px;mask-image:linear-gradient(90deg,#000,transparent 80%)}
    .hero:after{content:"02";position:absolute;right:6%;top:-35px;color:transparent;-webkit-text-stroke:1px rgba(199,239,74,.18);font-size:270px;line-height:1;font-weight:900}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--orange);display:flex;align-items:center;gap:10px}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:3px;background:var(--orange);border-radius:4px}
    .hero h1{font-size:clamp(38px,5vw,64px);line-height:1.1;letter-spacing:-.065em;margin:18px 0 22px;max-width:680px}
    .hero h1 em{font-style:normal;color:var(--lime)}
    .hero-copy{max-width:610px;color:#cfc5d6;font-size:17px;line-height:1.9}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--night)}
    .btn-primary:hover{background:#e1fb72;transform:translateY(-2px);box-shadow:0 9px 20px rgba(199,239,74,.18)}
    .btn-secondary{border-color:#655873;color:#fff;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}
    .hero-note{margin-top:20px;color:#9f93aa;font-size:12px}
    .signal-board{background:var(--white);color:var(--ink);border-radius:22px;padding:24px;box-shadow:var(--shadow-dark);transform:rotate(2deg)}
    .signal-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px}
    .signal-title{font-size:19px;font-weight:900}
    .signal-status{font-size:11px;color:#557000;background:#eff9c9;padding:5px 8px;border-radius:6px;font-weight:800}
    .signal-feature{background:var(--night-2);color:#fff;border-radius:15px;padding:23px;margin-top:17px;min-height:150px;position:relative;overflow:hidden}
    .signal-feature:after{content:"✦";position:absolute;right:20px;bottom:-12px;color:var(--lime);font-size:92px;opacity:.42}
    .signal-feature strong{display:block;position:relative;z-index:1;font-size:24px;line-height:1.3;max-width:260px}
    .signal-feature p{position:relative;z-index:1;color:#c8bdcf;font-size:13px;margin:8px 0 0}
    .signal-lines{display:grid;gap:11px;margin-top:18px}
    .signal-line{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
    .signal-dot{width:8px;height:8px;border-radius:50%;background:var(--orange)}
    .section{padding:84px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:34px;line-height:1.2;letter-spacing:-.04em;margin:8px 0 0}
    .section-head p{max-width:470px;color:var(--muted);margin:0}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
    .breadcrumb span{color:#b1a7b6}
    .topic-strip{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:12px}
    .topic-item{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:20px;min-height:132px;transition:.2s}
    .topic-item:first-child{background:var(--orange-soft);border-color:#ffd4b7}
    .topic-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .topic-index{color:var(--orange);font-size:12px;font-weight:900;letter-spacing:.1em}
    .topic-item h3{font-size:18px;margin:12px 0 5px}
    .topic-item p{color:var(--muted);font-size:13px;margin:0;line-height:1.55}
    .feature-news{display:grid;grid-template-columns:1.25fr .75fr;gap:18px;margin-top:55px}
    .lead-news{background:var(--night);color:#fff;border-radius:22px;padding:34px;min-height:286px;position:relative;overflow:hidden}
    .lead-news:after{content:"NEWS";position:absolute;right:-15px;bottom:-28px;color:transparent;-webkit-text-stroke:1px rgba(199,239,74,.2);font-size:90px;font-weight:900}
    .badge{display:inline-block;border-radius:6px;padding:4px 9px;background:var(--orange);color:#3b2112;font-size:11px;font-weight:900}
    .lead-news h3{font-size:30px;line-height:1.3;max-width:520px;margin:24px 0 13px;position:relative;z-index:1}
    .lead-news p{color:#c7bdce;max-width:510px;position:relative;z-index:1}
    .news-meta{display:flex;gap:16px;color:#a99db1;font-size:12px;margin-top:21px}
    .news-side{display:grid;gap:12px}
    .side-card{background:var(--white);border:1px solid var(--line);border-radius:17px;padding:23px;transition:.2s}
    .side-card:hover{border-color:#d1e480;box-shadow:var(--shadow);transform:translateX(4px)}
    .side-card .small-tag{color:var(--orange);font-size:11px;font-weight:900}
    .side-card h3{font-size:18px;line-height:1.35;margin:8px 0}
    .side-card p{font-size:13px;color:var(--muted);margin:0}
    .timeline-section{background:var(--white)}
    .timeline{border-top:1px solid var(--line)}
    .timeline-item{display:grid;grid-template-columns:120px 1fr 100px;gap:24px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:.2s}
    .timeline-item:hover{padding-left:8px;background:linear-gradient(90deg,transparent,#fffaf4,transparent)}
    .date{font-size:13px;font-weight:800;color:var(--orange)}
    .timeline-copy h3{font-size:19px;margin:0 0 4px}
    .timeline-copy p{font-size:13px;color:var(--muted);margin:0}
    .read-link{font-size:13px;font-weight:800;color:var(--lime-dark);text-align:right}
    .app-cta{background:var(--night-2);color:#fff;border-radius:24px;padding:43px;display:grid;grid-template-columns:1fr .8fr;gap:40px;align-items:center;overflow:hidden;position:relative}
    .app-cta:before{content:"C7APP";position:absolute;right:4%;top:18px;font-size:90px;font-weight:900;color:rgba(255,255,255,.04)}
    .app-cta h2{font-size:35px;line-height:1.2;margin:13px 0}
    .app-cta p{color:#c7bdce;max-width:560px}
    .app-points{display:flex;gap:9px;flex-wrap:wrap;margin:22px 0}
    .app-point{border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:7px 10px;color:#ddd5e3;font-size:12px}
    .download-box{background:var(--white);color:var(--ink);border-radius:17px;padding:24px;position:relative;z-index:1}
    .download-box h3{margin:0 0 14px;font-size:20px}
    .qr-row{display:flex;align-items:center;gap:16px}
    .qr{width:92px;height:92px;border-radius:8px;background:repeating-linear-gradient(45deg,#20162b 0 4px,#fff 4px 8px);border:7px solid #fff;box-shadow:0 0 0 1px var(--line)}
    .download-box p{font-size:12px;color:var(--muted);margin:0}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px}
    .faq-intro h2{font-size:34px;line-height:1.25;margin:10px 0 14px}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:0 20px}
    .faq-item summary{cursor:pointer;padding:17px 0;font-weight:800;list-style:none;position:relative;padding-right:30px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:0;color:var(--orange);font-size:22px;top:13px}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{font-size:14px;color:var(--muted);padding:0 0 17px;margin:0}
    .site-footer{background:var(--night);color:#fff;padding:58px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:35px}
    .footer-brand p{max-width:310px;color:#a99db1;font-size:13px;margin-top:18px}
    .footer-title{font-weight:800;font-size:14px;margin-bottom:14px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#bcb1c9;font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--lime);padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#95899d;font-size:12px}
    .footer-bottom a{color:#c7ef4a}
    @media(max-width:1024px){
      .nav-wrap{gap:14px}.logo{min-width:210px}.main-nav a{padding:10px 6px;font-size:12px}
      .main-nav a.active:after{left:6px;right:6px}.hero-inner{gap:35px}.topic-strip{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header,.nav-wrap{height:70px}.nav-wrap{justify-content:space-between}
      .logo{min-width:0}.logo-text{font-size:14px}.logo-text small{font-size:9px}
      .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--night);padding:12px 16px 18px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.1)}
      .main-nav.open{display:flex}.main-nav a{padding:12px 10px}
      .nav-download{padding:9px 11px;font-size:12px}.menu-toggle{display:block}
      .hero{padding:55px 0 62px}.hero-inner,.feature-news,.app-cta,.faq-grid{grid-template-columns:1fr}
      .hero h1{font-size:42px}.hero-after{display:none}.signal-board{transform:none;max-width:500px}
      .section{padding:62px 0}.section-head{display:block}.section-head h2{font-size:29px;margin-bottom:10px}
      .topic-strip{grid-template-columns:1fr 1fr}.timeline-item{grid-template-columns:83px 1fr;gap:14px}.read-link{grid-column:2;text-align:left}
      .app-cta{padding:29px 23px}.app-cta h2{font-size:29px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .logo-mark{width:34px;height:34px;font-size:16px;border-radius:10px}.logo-text small{display:none}
      .nav-download{display:none}.hero h1{font-size:37px}.hero-copy{font-size:15px}
      .hero-actions .btn{width:100%}.topic-strip{grid-template-columns:1fr}.lead-news{padding:26px;min-height:310px}.lead-news h3{font-size:25px}
      .timeline-item{grid-template-columns:1fr;gap:3px}.read-link{grid-column:auto}.app-cta{padding:26px 19px}.qr-row{align-items:flex-start}
      .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category3 */
:root{
      --ink:#17131f;
      --ink-2:#241d2d;
      --night:#20162b;
      --night-2:#30203c;
      --paper:#f7f5f1;
      --white:#fffdf9;
      --muted:#766e7d;
      --line:#e7e0e7;
      --lime:#c7ef4a;
      --lime-dark:#8dad20;
      --orange:#ff9a54;
      --orange-soft:#fff0e4;
      --purple:#7754aa;
      --soft-purple:#ebe5ee;
      --radius:18px;
      --shadow:0 16px 40px rgba(37,22,48,.10);
      --shadow-dark:0 18px 46px rgba(8,4,15,.25);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:var(--night);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:235px;font-weight:800;letter-spacing:-.03em}
    .logo-mark{width:39px;height:39px;border-radius:12px;background:var(--lime);color:var(--night);display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:4px 4px 0 rgba(255,154,84,.75)}
    .logo-text{font-size:15px;line-height:1.25}
    .logo-text small{display:block;color:#bcb1c9;font-size:11px;font-weight:500;letter-spacing:.05em;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px;color:#cfc6d5;font-size:13px;white-space:nowrap;position:relative;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:#fff}
    .main-nav a.active:after{content:"";position:absolute;height:3px;left:10px;right:10px;bottom:2px;background:var(--lime);border-radius:5px}
    .nav-download{background:var(--lime);color:var(--night);padding:11px 17px;border-radius:10px;font-size:13px;font-weight:800;white-space:nowrap;transition:.2s}
    .nav-download:hover{background:#e0fa72;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:8px;padding:5px 9px}
    .page-hero{background:var(--night);color:#fff;padding:66px 0 74px;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;opacity:.23;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(90deg,#000,transparent 88%)}
    .page-hero:after{content:"APP";position:absolute;right:4%;bottom:-45px;color:transparent;-webkit-text-stroke:1px rgba(199,239,74,.18);font-size:180px;line-height:1;font-weight:900;letter-spacing:-.08em}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--orange);display:flex;align-items:center;gap:10px}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:3px;background:var(--orange);border-radius:4px}
    .page-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.1;letter-spacing:-.065em;margin:18px 0 20px;max-width:650px}
    .page-hero h1 em{font-style:normal;color:var(--lime)}
    .hero-copy{max-width:590px;color:#cfc5d6;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--night)}
    .btn-primary:hover{background:#e1fb72;transform:translateY(-2px);box-shadow:0 9px 20px rgba(199,239,74,.18)}
    .btn-secondary{border-color:#655873;color:#fff;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
    .app-visual{min-height:290px;display:flex;align-items:center;justify-content:center;position:relative}
    .app-card{width:min(390px,100%);background:var(--white);color:var(--ink);border-radius:24px;padding:25px;box-shadow:var(--shadow-dark);transform:rotate(2deg)}
    .app-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .app-card-top strong{font-size:18px}
    .status-dot{width:10px;height:10px;background:var(--lime-dark);border-radius:50%;display:inline-block;margin-right:6px}
    .screen{background:var(--night-2);border-radius:17px;padding:22px;color:#fff;min-height:180px;position:relative;overflow:hidden}
    .screen:after{content:"C7";position:absolute;right:13px;bottom:-22px;color:transparent;-webkit-text-stroke:1px rgba(199,239,74,.3);font-size:100px;font-weight:900}
    .screen-label{color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.1em}
    .screen h2{font-size:26px;line-height:1.25;margin:10px 0;position:relative;z-index:1}
    .screen p{font-size:13px;color:#cfc5d6;position:relative;z-index:1;margin:0}
    .app-bars{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:15px}
    .app-bars span{height:7px;border-radius:4px;background:#57476b}
    .app-bars span:first-child{background:var(--lime)}
    .breadcrumb-wrap{padding:18px 0;color:var(--muted);font-size:13px}
    .breadcrumb-wrap span{margin:0 8px;color:#b5aebb}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:34px;line-height:1.2;letter-spacing:-.04em;margin:8px 0 0}
    .section-head p{max-width:490px;color:var(--muted);margin:0}
    .download-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
    .download-panel{background:var(--night);color:#fff;border-radius:22px;padding:36px;position:relative;overflow:hidden}
    .download-panel:before{content:"C7APP";position:absolute;right:-13px;top:25px;color:transparent;-webkit-text-stroke:1px rgba(199,239,74,.16);font-size:77px;font-weight:900;transform:rotate(-8deg)}
    .download-panel h2{font-size:32px;line-height:1.25;margin:15px 0 12px;position:relative;z-index:1}
    .download-panel p{color:#cfc5d6;max-width:480px;position:relative;z-index:1}
    .download-list{list-style:none;padding:0;margin:25px 0 0;position:relative;z-index:1}
    .download-list li{display:flex;gap:12px;align-items:flex-start;margin:13px 0;color:#e9e2ed;font-size:14px}
    .download-list b{display:grid;place-items:center;flex:0 0 25px;height:25px;border-radius:50%;background:var(--lime);color:var(--night);font-size:12px}
    .qr-panel{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:32px;display:grid;grid-template-columns:190px 1fr;gap:28px;align-items:center;box-shadow:var(--shadow)}
    .qr-box{aspect-ratio:1;background:#f0ece7;border:10px solid #fff;border-radius:15px;box-shadow:0 0 0 1px var(--line);display:grid;place-items:center;position:relative;overflow:hidden}
    .qr-box:before{content:"";width:70%;height:70%;background:repeating-linear-gradient(45deg,var(--night) 0 6px,transparent 6px 12px),repeating-linear-gradient(-45deg,transparent 0 5px,var(--night-2) 5px 9px);opacity:.88}
    .qr-box:after{content:"扫码入口";position:absolute;background:var(--lime);color:var(--night);padding:4px 8px;border-radius:5px;font-size:11px;font-weight:800}
    .qr-panel h3{font-size:24px;line-height:1.3;margin:0 0 10px}
    .qr-panel p{color:var(--muted);font-size:14px;margin:0 0 18px}
    .device-tags{display:flex;gap:7px;flex-wrap:wrap;margin:18px 0}
    .tag{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;padding:4px 10px;color:var(--muted);font-size:12px;background:#fff}
    .notice{background:var(--orange-soft);border-left:4px solid var(--orange);padding:13px 15px;border-radius:8px;color:#67452f;font-size:13px}
    .feature-band{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .benefit-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
    .benefit{padding:26px 24px;background:var(--paper);border:1px solid var(--line);border-radius:16px;transition:.2s}
    .benefit:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d3e585}
    .benefit-icon{width:42px;height:42px;border-radius:12px;background:var(--night);color:var(--lime);display:grid;place-items:center;font-size:18px;font-weight:900}
    .benefit h3{font-size:19px;margin:17px 0 7px}
    .benefit p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:27px 28px 20px 0;border-bottom:1px solid var(--line);position:relative}
    .step:not(:last-child){margin-right:28px;border-right:1px solid var(--line)}
    .step-num{font-size:12px;color:var(--orange);font-weight:900;letter-spacing:.12em}
    .step h3{font-size:20px;margin:10px 0 6px}
    .step p{color:var(--muted);font-size:14px;margin:0;max-width:300px}
    .support-section{background:#eee9ef}
    .support-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:start}
    .support-intro h2{font-size:34px;line-height:1.25;margin:12px 0}
    .support-intro p{color:var(--muted);margin:0}
    .faq-list{border-top:1px solid #d7cdd9}
    .faq-item{border-bottom:1px solid #d7cdd9}
    .faq-item summary{list-style:none;cursor:pointer;padding:18px 38px 18px 0;font-weight:800;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:5px;top:15px;font-size:24px;color:var(--purple);font-weight:400}
    .faq-item[open] summary:after{content:"−";color:var(--orange)}
    .faq-item p{color:var(--muted);font-size:14px;margin:0 0 18px;max-width:680px}
    .cta{padding:75px 0;background:var(--night-2);color:#fff;position:relative;overflow:hidden}
    .cta:after{content:"下载";position:absolute;right:5%;top:8px;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.1);font-size:140px;font-weight:900}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px;position:relative;z-index:1}
    .cta h2{font-size:35px;line-height:1.25;margin:0 0 9px}
    .cta p{color:#cfc5d6;margin:0;max-width:650px}
    .site-footer{background:var(--night);color:#fff;padding:55px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    .footer-brand .logo{min-width:0}
    .footer-brand p{color:#bcb1c9;max-width:330px;font-size:13px;margin:18px 0 0}
    .footer-title{font-size:13px;color:var(--orange);font-weight:800;margin-bottom:14px}
    .footer-links{display:flex;flex-direction:column;gap:8px}
    .footer-links a{color:#cfc6d5;font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--lime);padding-left:4px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;color:#968ba0;font-size:12px}
    .footer-bottom a{color:#cfc6d5}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media (max-width:1024px){
      .nav-wrap{gap:15px}
      .logo{min-width:210px}
      .main-nav a{padding:10px 6px;font-size:12px}
      .hero-inner{gap:35px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .site-header,.nav-wrap{height:70px}
      .nav-wrap{justify-content:space-between}
      .logo{min-width:0}
      .logo-text{font-size:14px}
      .main-nav{display:none;position:absolute;left:0;right:0;top:70px;background:var(--night);padding:12px 17px 18px;border-top:1px solid rgba(255,255,255,.12);flex-direction:column;align-items:stretch;gap:2px}
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 10px}
      .main-nav a.active:after{left:0;right:auto;width:30px;bottom:4px}
      .nav-download{font-size:12px;padding:9px 11px}
      .menu-toggle{display:block}
      .hero-inner,.download-layout,.support-layout{grid-template-columns:1fr}
      .page-hero{padding:53px 0 58px}
      .page-hero h1{font-size:43px}
      .app-visual{min-height:245px}
      .app-card{transform:none}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-head h2{font-size:29px;margin-bottom:12px}
      .benefit-grid{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr;border-top:0}
      .step,.step:not(:last-child){margin:0;padding:22px 0;border-right:0}
      .qr-panel{grid-template-columns:155px 1fr;gap:20px;padding:24px}
      .cta-inner{display:block}
      .cta .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
    }
    @media (max-width:520px){
      .logo-text small{font-size:9px}
      .nav-download{display:none}
      .page-hero h1{font-size:37px}
      .hero-copy{font-size:15px}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .hero-actions .btn{width:100%}
      .download-panel,.qr-panel{padding:23px}
      .download-panel h2,.support-intro h2{font-size:27px}
      .qr-panel{grid-template-columns:1fr;text-align:center}
      .qr-box{width:175px;margin:0 auto}
      .device-tags{justify-content:center}
      .notice{text-align:left}
      .cta h2{font-size:29px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
      .footer-brand{grid-column:1/-1}
      .footer-title{font-size:12px}
    }

/* roulang page: category4 */
:root{
      --ink:#17131f;--ink-2:#241d2d;--night:#20162b;--night-2:#30203c;
      --paper:#f7f5f1;--white:#fffdf9;--muted:#766e7d;--line:#e7e0e7;
      --lime:#c7ef4a;--lime-dark:#8dad20;--orange:#ff9a54;--orange-soft:#fff0e4;
      --purple:#7754aa;--radius:18px;--shadow:0 16px 40px rgba(37,22,48,.10);
      --shadow-dark:0 18px 46px rgba(8,4,15,.25);--container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit} button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:var(--night);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:235px;font-weight:800;letter-spacing:-.03em}
    .logo-mark{width:39px;height:39px;border-radius:12px;background:var(--lime);color:var(--night);display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:4px 4px 0 rgba(255,154,84,.75)}
    .logo-text{font-size:15px;line-height:1.25}.logo-text small{display:block;color:#bcb1c9;font-size:11px;font-weight:500;letter-spacing:.05em;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px;color:#cfc6d5;font-size:13px;white-space:nowrap;position:relative;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:#fff}
    .main-nav a.active:after{content:"";position:absolute;height:3px;left:10px;right:10px;bottom:2px;background:var(--lime);border-radius:5px}
    .nav-download{background:var(--lime);color:var(--night);padding:11px 17px;border-radius:10px;font-size:13px;font-weight:800;white-space:nowrap;transition:.2s}
    .nav-download:hover{background:#e0fa72;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:8px;padding:5px 9px}
    .guide-hero{background:var(--night);color:#fff;padding:64px 0 72px;position:relative;overflow:hidden}
    .guide-hero:before{content:"";position:absolute;inset:0;opacity:.2;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:42px 42px}
    .guide-hero:after{content:"04";position:absolute;right:7%;top:-22px;color:transparent;-webkit-text-stroke:1px rgba(199,239,74,.2);font-size:250px;line-height:1;font-weight:900}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .82fr;gap:65px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--orange);display:flex;align-items:center;gap:10px}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:3px;background:var(--orange);border-radius:4px}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.1;letter-spacing:-.06em;margin:18px 0 20px}
    .hero-copy{color:#cfc5d6;font-size:17px;max-width:600px;line-height:1.9}
    .button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--night)}.btn-primary:hover{background:#e1fb72;transform:translateY(-2px);box-shadow:0 9px 20px rgba(199,239,74,.18)}
    .btn-secondary{border-color:#655873;color:#fff;background:rgba(255,255,255,.04)}.btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
    .guide-board{background:var(--white);color:var(--ink);border-radius:22px;padding:25px;box-shadow:var(--shadow-dark);transform:rotate(2deg)}
    .board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:15px}
    .board-title{font-weight:900;font-size:18px}.board-status{font-size:11px;background:#e9f7b7;color:#526b08;padding:5px 9px;border-radius:20px;font-weight:800}
    .board-list{margin:18px 0 0;padding:0;list-style:none}
    .board-list li{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
    .board-list li:last-child{border:0}.board-num{width:27px;height:27px;border-radius:8px;background:var(--night);color:var(--lime);display:grid;place-items:center;font-size:12px;font-weight:900}
    .section{padding:82px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
    .section-head h2{font-size:34px;line-height:1.2;letter-spacing:-.04em;margin:8px 0 0}.section-head p{max-width:480px;color:var(--muted);margin:0}
    .guide-layout{display:grid;grid-template-columns:260px 1fr;gap:25px;align-items:start}
    .guide-menu{background:var(--night);color:#fff;border-radius:18px;padding:23px;position:sticky;top:105px}
    .guide-menu h3{font-size:18px;margin:0 0 16px}.guide-menu a{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.13);color:#cfc5d6;font-size:14px;transition:.2s}
    .guide-menu a:hover,.guide-menu a.active{color:var(--lime);padding-left:5px}.guide-menu a:last-child{border:0}
    .guide-list{display:grid;gap:13px}.guide-card{display:grid;grid-template-columns:74px 1fr auto;gap:19px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:15px;padding:21px 23px;transition:.2s}
    .guide-card:hover{transform:translateX(5px);box-shadow:var(--shadow);border-color:#d4e77f}.guide-icon{width:58px;height:58px;border-radius:15px;background:var(--orange-soft);color:#c96328;display:grid;place-items:center;font-size:23px;font-weight:900}
    .guide-card h3{font-size:19px;margin:0 0 5px}.guide-card p{color:var(--muted);font-size:13px;margin:0}.guide-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
    .badge{display:inline-block;padding:3px 8px;border-radius:6px;background:#f0edf3;color:var(--muted);font-size:11px;font-weight:800}.badge.lime{background:#edf8bd;color:#55700b}.badge.orange{background:var(--orange-soft);color:#bd602b}
    .text-link{font-size:13px;font-weight:800;color:var(--lime-dark);white-space:nowrap}
    .feature-strip{background:#fffdf9;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .strip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}.strip-item{padding:28px 25px;border-right:1px solid var(--line)}.strip-item:last-child{border:0}
    .strip-item strong{display:block;font-size:20px;margin-bottom:6px}.strip-item p{margin:0;color:var(--muted);font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{background:var(--white);border:1px solid var(--line);border-radius:17px;padding:25px;min-height:190px}.step-num{color:var(--orange);font-size:13px;font-weight:900;letter-spacing:.1em}.step h3{font-size:20px;margin:18px 0 7px}.step p{color:var(--muted);font-size:14px;margin:0}
    .download-cta{background:var(--night-2);color:#fff;border-radius:24px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px;overflow:hidden;position:relative}.download-cta:after{content:"C7APP";position:absolute;right:30px;bottom:-25px;color:rgba(199,239,74,.08);font-size:90px;font-weight:900}.download-cta>*{position:relative;z-index:1}.download-cta h2{font-size:31px;line-height:1.25;margin:8px 0 10px}.download-cta p{color:#c9bfd1;margin:0;max-width:620px}
    .faq-list{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;padding:20px 0;background:none;border:0;text-align:left;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:20px}.faq-question span:last-child{color:var(--lime-dark);font-size:22px}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .site-footer{background:var(--night);color:#fff;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:#bcb1c9;font-size:13px;max-width:310px;margin-top:20px}.footer-title{font-weight:800;margin-bottom:14px}.footer-links{display:grid;gap:9px}.footer-links a{font-size:13px;color:#bcb1c9;transition:.2s}.footer-links a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#998da4;font-size:12px}.footer-bottom a{color:#c9bfd1}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media(max-width:1100px){.main-nav{gap:0}.main-nav a{padding:10px 7px;font-size:12px}.logo{min-width:210px}.nav-wrap{gap:13px}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.site-header,.nav-wrap{height:70px}.nav-wrap{justify-content:space-between}.logo{min-width:0}.main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--night);padding:12px 16px 18px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.1)}.main-nav.open{display:flex}.main-nav a{padding:12px 10px}.main-nav a.active:after{left:0;right:auto;width:28px;bottom:4px}.menu-toggle{display:block}.nav-download{padding:9px 11px;font-size:12px}.guide-hero{padding:52px 0 58px}.hero-grid{grid-template-columns:1fr;gap:38px}.guide-hero:after{font-size:170px;right:-10px}.hero-copy{font-size:15px}.section{padding:62px 0}.section-head{display:block}.section-head h2{font-size:29px;margin-bottom:12px}.guide-layout{grid-template-columns:1fr}.guide-menu{position:static}.guide-card{grid-template-columns:57px 1fr;gap:14px;padding:18px}.guide-icon{width:52px;height:52px}.guide-card .text-link{grid-column:2}.strip-grid,.steps{grid-template-columns:1fr}.strip-item{border-right:0;border-bottom:1px solid var(--line)}.strip-item:last-child{border-bottom:0}.download-cta{display:block;padding:32px 25px}.download-cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}
    @media(max-width:520px){.logo-text{font-size:13px}.logo-text small{font-size:9px}.nav-download{display:none}h1{font-size:39px}.button-row .btn{width:100%}.guide-card h3{font-size:17px}.guide-card p{font-size:12px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}

/* roulang page: category5 */
:root{
      --ink:#17131f;
      --ink-2:#241d2d;
      --night:#20162b;
      --night-2:#30203c;
      --paper:#f7f5f1;
      --white:#fffdf9;
      --muted:#766e7d;
      --line:#e7e0e7;
      --lime:#c7ef4a;
      --lime-dark:#8dad20;
      --orange:#ff9a54;
      --orange-soft:#fff0e4;
      --purple:#7754aa;
      --radius:18px;
      --shadow:0 16px 40px rgba(37,22,48,.10);
      --shadow-dark:0 18px 46px rgba(8,4,15,.25);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:var(--night);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:235px;font-weight:800;letter-spacing:-.03em}
    .logo-mark{width:39px;height:39px;border-radius:12px;background:var(--lime);color:var(--night);display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:4px 4px 0 rgba(255,154,84,.75)}
    .logo-text{font-size:15px;line-height:1.25}
    .logo-text small{display:block;color:#bcb1c9;font-size:11px;font-weight:500;letter-spacing:.05em;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px;color:#cfc6d5;font-size:13px;white-space:nowrap;position:relative;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:#fff}
    .main-nav a.active:after{content:"";position:absolute;height:3px;left:10px;right:10px;bottom:2px;background:var(--lime);border-radius:5px}
    .nav-download{background:var(--lime);color:var(--night);padding:11px 17px;border-radius:10px;font-size:13px;font-weight:800;white-space:nowrap;transition:.2s}
    .nav-download:hover{background:#e0fa72;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:8px;padding:5px 9px}
    .page-hero{background:var(--night);color:#fff;padding:72px 0 78px;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;opacity:.22;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:45px 45px}
    .page-hero:after{content:"NOTICE";position:absolute;right:-20px;bottom:-52px;color:transparent;-webkit-text-stroke:1px rgba(199,239,74,.18);font-size:130px;font-weight:900;letter-spacing:.04em}
    .hero-content{position:relative;z-index:1;max-width:760px}
    .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--orange);display:flex;align-items:center;gap:10px}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:3px;background:var(--orange);border-radius:4px}
    .page-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.1;letter-spacing:-.06em;margin:18px 0 20px}
    .page-hero h1 em{font-style:normal;color:var(--lime)}
    .hero-copy{color:#d1c7d7;font-size:17px;line-height:1.9;max-width:690px;margin:0}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:#aaa0b2;font-size:13px;margin-top:28px}
    .breadcrumb a:hover{color:var(--lime)}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head h2{font-size:34px;line-height:1.2;letter-spacing:-.04em;margin:8px 0 0}
    .section-head p{max-width:480px;color:var(--muted);margin:0}
    .notice-feature{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
    .pinned{background:var(--night);color:#fff;border-radius:22px;padding:35px;min-height:295px;position:relative;overflow:hidden;box-shadow:var(--shadow-dark)}
    .pinned:after{content:"01";position:absolute;right:26px;top:4px;font-size:150px;line-height:1;font-weight:900;color:rgba(199,239,74,.12)}
    .badge{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--orange);color:#3b2112;font-size:11px;font-weight:900}
    .badge.lime{background:var(--lime);color:var(--night)}
    .pinned h2{font-size:31px;line-height:1.3;max-width:560px;margin:27px 0 12px;position:relative;z-index:1}
    .pinned p{color:#c9bfd0;max-width:560px;position:relative;z-index:1}
    .notice-meta{display:flex;gap:18px;color:#a99eb0;font-size:13px;margin-top:24px}
    .status-card{background:var(--orange-soft);border:1px solid #f2d7c2;border-radius:18px;padding:29px;display:flex;flex-direction:column;justify-content:space-between}
    .status-card h3{font-size:24px;line-height:1.35;margin:20px 0 9px}
    .status-card p{color:var(--muted);font-size:14px;margin:0}
    .status-line{display:flex;align-items:center;gap:9px;color:#4d6120;font-weight:800;font-size:13px}
    .status-dot{width:9px;height:9px;background:var(--lime-dark);border-radius:50%;box-shadow:0 0 0 5px rgba(141,173,32,.13)}
    .timeline-wrap{background:var(--white);padding:72px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .timeline{position:relative;margin-top:35px}
    .timeline:before{content:"";position:absolute;left:106px;top:0;bottom:0;width:1px;background:var(--line)}
    .timeline-item{display:grid;grid-template-columns:88px 37px 1fr;gap:18px;align-items:start;padding:0 0 30px}
    .timeline-date{text-align:right;color:var(--muted);font-size:13px;padding-top:4px;line-height:1.4}
    .timeline-date strong{display:block;color:var(--ink);font-size:18px}
    .timeline-point{width:13px;height:13px;border:3px solid var(--lime-dark);background:var(--white);border-radius:50%;margin:5px auto;position:relative;z-index:1}
    .timeline-item:first-child .timeline-point{background:var(--orange);border-color:var(--orange)}
    .notice-card{border:1px solid var(--line);border-radius:16px;padding:23px 25px;background:var(--paper);transition:.2s}
    .notice-card:hover{transform:translateX(5px);border-color:#d1e57b;box-shadow:var(--shadow)}
    .notice-top{display:flex;justify-content:space-between;gap:15px;align-items:center}
    .notice-card h3{font-size:20px;line-height:1.4;margin:12px 0 7px}
    .notice-card p{color:var(--muted);font-size:14px;margin:0}
    .notice-time{font-size:12px;color:var(--muted);white-space:nowrap}
    .guide-section{padding:82px 0}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .guide-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:25px;min-height:205px;transition:.2s}
    .guide-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d0e47a}
    .guide-number{font-size:13px;color:var(--orange);font-weight:900;letter-spacing:.1em}
    .guide-card h3{font-size:20px;margin:16px 0 8px}
    .guide-card p{color:var(--muted);font-size:14px;margin:0}
    .download-cta{background:var(--night-2);color:#fff;border-radius:23px;padding:42px 48px;display:flex;justify-content:space-between;gap:30px;align-items:center;position:relative;overflow:hidden}
    .download-cta:after{content:"C7APP";position:absolute;right:25px;bottom:-35px;color:transparent;-webkit-text-stroke:1px rgba(199,239,74,.17);font-size:100px;font-weight:900}
    .download-cta > div{position:relative;z-index:1}
    .download-cta h2{font-size:31px;line-height:1.25;margin:10px 0}
    .download-cta p{color:#c9bfd0;margin:0;max-width:600px}
    .download-cta .btn{position:relative;z-index:1}
    .site-footer{background:var(--ink);color:#fff;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{color:#aaa0b0;font-size:13px;max-width:330px;margin:20px 0 0}
    .footer-title{font-weight:800;font-size:14px;margin-bottom:14px}
    .footer-links{display:flex;flex-direction:column;gap:8px}
    .footer-links a{color:#aaa0b0;font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:45px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#817687;font-size:12px}
    .footer-bottom a{color:#aaa0b0}
    .footer-bottom a:hover{color:var(--lime)}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--night)}
    .btn-primary:hover{background:#e1fb72;transform:translateY(-2px);box-shadow:0 9px 20px rgba(199,239,74,.18)}
    .btn-secondary{border-color:#655873;color:#fff;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media(max-width:1024px){
      .nav-wrap{gap:15px}.logo{min-width:210px}.main-nav a{padding:10px 6px;font-size:12px}.main-nav a.active:after{left:6px;right:6px}
      .notice-feature{grid-template-columns:1fr}.guide-grid{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header,.nav-wrap{height:70px}.nav-wrap{justify-content:space-between}.logo{min-width:0}
      .main-nav{display:none;position:absolute;left:16px;right:16px;top:66px;padding:12px;background:var(--night-2);border:1px solid rgba(255,255,255,.12);border-radius:14px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow-dark)}
      .main-nav.open{display:flex}.main-nav a{padding:12px 14px}.main-nav a.active:after{left:14px;right:auto;width:28px;bottom:5px}
      .menu-toggle{display:block}.nav-download{padding:9px 11px;font-size:12px}
      .page-hero{padding:56px 0 62px}.page-hero h1{font-size:42px}.hero-copy{font-size:15px}
      .section,.guide-section{padding:60px 0}.section-head{display:block}.section-head p{margin-top:12px}
      .section-head h2{font-size:29px}.pinned{padding:27px;min-height:270px}.pinned h2{font-size:26px}
      .timeline:before{left:76px}.timeline-item{grid-template-columns:61px 30px 1fr;gap:10px}.notice-top{display:block}.notice-time{display:block;margin-top:7px}
      .guide-grid{grid-template-columns:1fr}.guide-card{min-height:auto}
      .download-cta{display:block;padding:32px 25px}.download-cta h2{font-size:27px}.download-cta .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
    }
    @media(max-width:520px){
      .logo-text{font-size:13px}.logo-text small{font-size:9px}.logo-mark{width:35px;height:35px;font-size:17px}
      .page-hero h1{font-size:36px}.page-hero:after{font-size:75px}
      .timeline:before{left:58px}.timeline-item{grid-template-columns:48px 20px 1fr;gap:8px}.timeline-date strong{font-size:16px}.notice-card{padding:19px}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
    }

/* roulang page: category6 */
:root{
      --ink:#17131f;--ink-2:#241d2d;--night:#20162b;--night-2:#30203c;
      --paper:#f7f5f1;--white:#fffdf9;--muted:#766e7d;--line:#e7e0e7;
      --lime:#c7ef4a;--lime-dark:#8dad20;--orange:#ff9a54;--orange-soft:#fff0e4;
      --purple:#7754aa;--radius:18px;--shadow:0 16px 40px rgba(37,22,48,.10);
      --shadow-dark:0 18px 46px rgba(8,4,15,.25);--container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:var(--night);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:235px;font-weight:800;letter-spacing:-.03em}
    .logo-mark{width:39px;height:39px;border-radius:12px;background:var(--lime);color:var(--night);display:grid;place-items:center;font-weight:900;font-size:19px;box-shadow:4px 4px 0 rgba(255,154,84,.75)}
    .logo-text{font-size:15px;line-height:1.25}
    .logo-text small{display:block;color:#bcb1c9;font-size:11px;font-weight:500;letter-spacing:.05em;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:10px;color:#cfc6d5;font-size:13px;white-space:nowrap;position:relative;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:#fff}
    .main-nav a.active:after{content:"";position:absolute;height:3px;left:10px;right:10px;bottom:2px;background:var(--lime);border-radius:5px}
    .nav-download{background:var(--lime);color:var(--night);padding:11px 17px;border-radius:10px;font-size:13px;font-weight:800;white-space:nowrap;transition:.2s}
    .nav-download:hover{background:#e0fa72;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:8px;padding:5px 9px}
    .help-hero{background:var(--night);color:#fff;padding:70px 0 76px;position:relative;overflow:hidden}
    .help-hero:before{content:"";position:absolute;inset:0;opacity:.25;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:45px 45px}
    .help-hero:after{content:"?";position:absolute;right:10%;top:-60px;color:transparent;-webkit-text-stroke:1px rgba(199,239,74,.2);font-size:300px;font-weight:900;line-height:1}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr .9fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--orange);display:flex;align-items:center;gap:10px}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:3px;background:var(--orange);border-radius:4px}
    .help-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.1;letter-spacing:-.06em;margin:18px 0 20px;max-width:650px}
    .help-hero h1 em{font-style:normal;color:var(--lime)}
    .hero-copy{max-width:600px;color:#cfc5d6;font-size:17px;line-height:1.9;margin-bottom:28px}
    .search-card{background:var(--white);color:var(--ink);border-radius:22px;padding:27px;box-shadow:var(--shadow-dark);position:relative}
    .search-card h2{font-size:22px;margin:0 0 5px}
    .search-card p{font-size:13px;color:var(--muted);margin:0 0 18px}
    .search-box{display:flex;gap:9px}
    .search-box input{width:100%;min-width:0;border:1px solid var(--line);border-radius:10px;padding:12px 14px;outline:0;background:#fff}
    .search-box input:focus{border-color:var(--lime-dark);box-shadow:0 0 0 4px rgba(199,239,74,.2)}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--night)}
    .btn-primary:hover{background:#e1fb72;transform:translateY(-2px);box-shadow:0 9px 20px rgba(199,239,74,.18)}
    .btn-secondary{border-color:#655873;color:#fff;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime)}
    .section{padding:84px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
    .section-head h2{font-size:34px;line-height:1.2;letter-spacing:-.04em;margin:8px 0 0}
    .section-head p{max-width:470px;color:var(--muted);margin:0}
    .topic-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:14px}
    .topic-card{min-height:190px;padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);transition:.2s;position:relative;overflow:hidden}
    .topic-card:first-child{background:var(--night);color:#fff}
    .topic-card:nth-child(2){background:#fff0e4}
    .topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d0e47a}
    .topic-no{font-size:12px;font-weight:900;color:var(--orange)}
    .topic-card h3{font-size:21px;margin:22px 0 8px;line-height:1.3}
    .topic-card p{font-size:13px;color:var(--muted);margin:0;max-width:270px}
    .topic-card:first-child p{color:#c9bfd0}
    .topic-arrow{position:absolute;right:23px;bottom:20px;font-size:23px;color:var(--lime-dark)}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:24px}
    .step-num{width:36px;height:36px;border-radius:10px;background:var(--lime);display:grid;place-items:center;font-weight:900;color:var(--night)}
    .step h3{font-size:18px;margin:19px 0 7px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:50px;align-items:start}
    .faq-intro{background:var(--night);border-radius:22px;color:#fff;padding:31px;position:sticky;top:105px}
    .faq-intro h2{font-size:30px;line-height:1.25;margin:10px 0 14px}
    .faq-intro p{color:#c9bfd0;font-size:14px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{list-style:none;padding:20px 38px 20px 0;font-weight:800;position:relative;cursor:pointer}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:4px;top:17px;color:var(--lime-dark);font-size:25px;font-weight:400}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{color:var(--muted);font-size:14px;padding:0 30px 20px 0}
    .cta{background:var(--orange-soft);padding:42px;border-radius:22px;display:flex;justify-content:space-between;align-items:center;gap:25px;border:1px solid #f7d6bf}
    .cta h2{font-size:30px;margin:0 0 8px;line-height:1.25}
    .cta p{margin:0;color:var(--muted)}
    .site-footer{background:var(--night);color:#fff;padding:58px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{color:#bcb1c9;font-size:13px;max-width:310px;margin-top:18px}
    .footer-title{font-size:13px;font-weight:800;color:var(--lime);margin-bottom:15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#cfc6d5;transition:.2s}
    .footer-links a:hover{color:var(--lime);padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#9c91a8;font-size:12px}
    .footer-bottom a{color:#cfc6d5}
    @media(max-width:1024px){.nav-wrap{gap:14px}.logo{min-width:205px}.main-nav a{padding:10px 6px;font-size:12px}.hero-inner{gap:35px}.topic-grid{grid-template-columns:1fr 1fr}.topic-card:first-child{grid-column:span 2}}
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}.site-header,.nav-wrap{height:70px}.nav-wrap{justify-content:space-between}.main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--night-2);padding:12px;border-radius:0 0 15px 15px;box-shadow:var(--shadow-dark);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.nav-download{padding:10px 12px}.menu-toggle{display:block}.hero-inner,.faq-layout{grid-template-columns:1fr}.help-hero{padding:57px 0 62px}.help-hero h1{font-size:43px}.search-card{max-width:620px}.faq-intro{position:static}.section{padding:65px 0}.section-head{display:block}.section-head p{margin-top:12px}.steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:span 2}.cta{display:block;padding:30px}.cta .btn{margin-top:22px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
    @media(max-width:520px){.logo{min-width:0}.logo{min-width:0}.logo-text{font-size:13px}.logo-text small{font-size:9px}.logo-mark{width:35px;height:35px;font-size:17px}.nav-download{font-size:12px;padding:9px 10px}.help-hero h1{font-size:36px}.hero-copy{font-size:15px}.search-box{display:block}.search-box .btn{width:100%;margin-top:10px}.topic-grid{grid-template-columns:1fr}.topic-card:first-child{grid-column:auto}.topic-card{min-height:160px}.section-head h2{font-size:28px}.faq-intro h2{font-size:26px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{font-size:11px}}

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