/* roulang page: index */
:root{
      --ink:#191815;--deep:#24201b;--panel:#302a23;--paper:#f4eddb;
      --paper-2:#fffaf0;--amber:#f5ae42;--orange:#dc7138;--mint:#9fc9ad;
      --muted:#a89d8d;--line:#5e5141;--red:#c95c4b;--shadow:5px 5px 0 rgba(12,10,8,.45);
      --radius:4px;--max:1200px;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:all .2s ease}
    a:focus,button:focus,input:focus{outline:3px solid var(--amber);outline-offset:3px}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(25,24,21,.96);border-bottom:1px solid var(--line)}
    .nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
    .logo{font-weight:900;letter-spacing:-1px;font-size:1.18rem;white-space:nowrap;color:var(--amber)}
    .logo-mark{display:inline-block;width:13px;height:13px;background:var(--orange);margin-right:8px;box-shadow:5px 5px 0 var(--mint);vertical-align:1px}
    .main-nav{display:flex;align-items:center;gap:7px;margin-left:auto}
    .main-nav a,.menu-toggle{display:inline-flex;align-items:center;min-height:44px;padding:8px 15px;color:#d9cfbe;font-size:.94rem;border:1px solid transparent;background:none;cursor:pointer}
    .main-nav a:hover,.main-nav a.active,.menu-toggle:hover{color:var(--amber);border-color:var(--line);background:#2a251f}
    .nav-action{background:var(--amber)!important;color:var(--ink)!important;border-color:var(--amber)!important;font-weight:800!important}
    .menu-toggle{display:none}
    .mega{position:absolute;right:20px;top:70px;width:330px;padding:20px;background:var(--panel);border:1px solid var(--amber);box-shadow:var(--shadow);display:none}
    .mega.open{display:block}
    .mega h3{font-size:.78rem;color:var(--mint);margin:0 0 10px;text-transform:uppercase;letter-spacing:2px}
    .mega a{display:block;padding:10px;border-bottom:1px solid #4d4236;color:var(--paper)}
    .mega a:hover{background:#40362b;color:var(--amber)}
    .hero{padding:86px 0 76px;background-color:var(--deep);background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:24px 24px}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
    .eyebrow,.section-kicker{font-size:.76rem;letter-spacing:3px;color:var(--mint);font-weight:800}
    h1,h2,h3{line-height:1.25;margin-top:0}
    h1{font-size:clamp(2.5rem,6vw,5.2rem);letter-spacing:-3px;margin:18px 0 24px;color:var(--paper)}
    h2{font-size:clamp(1.8rem,3vw,2.8rem);color:var(--paper);letter-spacing:-1px}
    h3{font-size:1.2rem}
    .hero-copy p{font-size:1.08rem;max-width:650px;color:#d4c8b4;margin-bottom:28px}
    .button-row{display:flex;flex-wrap:wrap;gap:13px;margin:28px 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 20px;border:1px solid var(--amber);background:var(--amber);color:var(--ink);font-weight:800;box-shadow:4px 4px 0 #8d552d}
    .btn:hover{transform:translate(-2px,-2px);background:#ffd078;box-shadow:6px 6px 0 #8d552d}
    .btn:active{transform:translate(1px,1px);box-shadow:2px 2px 0 #8d552d}
    .btn.secondary{background:transparent;color:var(--paper);box-shadow:none;border-color:var(--line)}
    .btn.secondary:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
    .trust-line{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:.87rem}
    .trust-line span:before{content:"◆";color:var(--orange);font-size:.65rem;margin-right:7px}
    .terminal{background:var(--paper);color:var(--ink);border:2px solid var(--amber);box-shadow:var(--shadow);padding:0}
    .terminal-top{display:flex;justify-content:space-between;padding:12px 16px;background:#ded1b8;border-bottom:2px solid var(--ink);font-family:monospace;font-size:.75rem}
    .terminal-body{padding:25px 24px 28px}
    .terminal-title{font-family:monospace;color:var(--orange);font-size:.82rem;margin-bottom:20px}
    .index-line{display:flex;justify-content:space-between;border-bottom:1px solid #c6b99f;padding:13px 0;font-weight:700}
    .index-line small{color:#807663;font-weight:500}
    .pixel-bar{height:10px;background:#d6c9b0;margin:22px 0 10px}
    .pixel-bar i{display:block;height:100%;width:72%;background:var(--orange)}
    .section{padding:92px 0}
    .section-head{max-width:680px;margin-bottom:40px}
    .section-head p{color:var(--muted);margin:12px 0 0}
    .dark-section{background:#211e1a}
    .feature-layout{display:grid;grid-template-columns:1.45fr .8fr;gap:20px}
    .feature-stack{display:grid;gap:20px}
    .feature-card,.scenario-panel,.case-main,.case-list,.price-board,.faq-box,.cta-box,.news-list{border:1px solid var(--line);background:var(--panel);box-shadow:3px 3px 0 rgba(0,0,0,.25)}
    .feature-card{padding:28px;min-height:210px;position:relative}
    .feature-card.primary{min-height:440px;background:linear-gradient(135deg,#403327,#2c251e)}
    .feature-card:hover,.case-list li:hover,.price-board:hover{border-color:var(--amber);transform:translateY(-3px)}
    .pixel-no{font-family:monospace;color:var(--amber);font-size:.8rem;letter-spacing:2px}
    .feature-card p,.case-main p,.price-board p{color:var(--muted)}
    .feature-card .card-link{position:absolute;bottom:25px;color:var(--amber);font-weight:800}
    .feature-card .card-link:hover{text-decoration:underline}
    .scenario-wrap{display:grid;grid-template-columns:270px 1fr;gap:22px}
    .scenario-tabs{display:flex;flex-direction:column;gap:8px}
    .scenario-tabs a{padding:15px 17px;border-left:3px solid var(--line);color:var(--muted)}
    .scenario-tabs a:hover,.scenario-tabs a.active{background:var(--panel);color:var(--amber);border-color:var(--amber)}
    .scenario-panel{padding:34px;min-height:270px;background:#342c23}
    .steps{display:flex;gap:0;margin-top:28px}
    .step{flex:1;border-top:3px solid var(--orange);padding:15px 12px 0;color:var(--paper)}
    .step b{display:block;color:var(--amber);font-family:monospace;margin-bottom:7px}
    .case-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}
    .case-main{padding:34px;background:var(--paper);color:var(--ink);box-shadow:var(--shadow)}
    .case-main p{color:#655b4d}
    .case-tag{display:inline-block;padding:4px 9px;background:var(--mint);color:var(--ink);font-size:.75rem;font-weight:800;margin-bottom:18px}
    .case-list{padding:10px;list-style:none;margin:0}
    .case-list li{padding:21px 17px;border-bottom:1px solid var(--line);transition:.2s}
    .case-list li:last-child{border-bottom:0}
    .case-list strong{display:block;color:var(--paper);margin-bottom:4px}
    .case-list span{font-size:.84rem;color:var(--muted)}
    .price-area{background:var(--orange);color:var(--ink)}
    .price-area h2{color:var(--ink)}
    .price-area .section-head p{color:#4b2c1d}
    .price-grid{display:grid;grid-template-columns:1fr 1.12fr 1fr;align-items:stretch;gap:14px}
    .price-board{padding:26px;background:#f1e4c9;color:var(--ink);border-color:#38291e;box-shadow:4px 4px 0 #8d4127}
    .price-board.recommend{background:var(--ink);color:var(--paper);border-color:var(--amber);transform:translateY(-10px)}
    .price-board.recommend p,.price-board.recommend li{color:#c6b9a6}
    .price-board h3{margin-bottom:5px}
    .price-label{font-family:monospace;font-size:.72rem;color:var(--orange);letter-spacing:2px}
    .price-board ul{padding-left:18px;color:#665947;line-height:2}
    .price-board .btn{width:100%;margin-top:14px}
    .price-board.recommend .btn{background:var(--amber);color:var(--ink)}
    .news-layout{display:grid;grid-template-columns:1fr 300px;gap:24px}
    .news-list{background:transparent}
    .news-item{display:flex;justify-content:space-between;gap:20px;padding:18px 22px;border-bottom:1px solid var(--line)}
    .news-item:hover{background:var(--panel);color:var(--amber)}
    .news-item small{color:var(--muted);white-space:nowrap}
    .notice{padding:25px;background:#302a23;border-left:4px solid var(--mint);color:#d7ccb9}
    .faq-box{background:var(--paper-2);color:var(--ink);padding:10px 24px}
    .faq-item{border-bottom:1px solid #d8ccb6}
    .faq-item:last-child{border-bottom:0}
    .faq-q{width:100%;padding:20px 0;background:none;border:0;text-align:left;font-weight:800;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between}
    .faq-q span{color:var(--orange);font-size:1.3rem}
    .faq-a{display:none;padding:0 30px 20px 0;color:#675d50;max-width:850px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span{transform:rotate(45deg)}
    .cta-box{padding:42px;display:flex;align-items:center;justify-content:space-between;gap:25px;background:#403327}
    .cta-box p{color:var(--muted);max-width:640px;margin:0}
    .site-footer{padding:48px 0 25px;background:#151411;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}
    .footer-title{color:var(--amber);font-weight:900;font-size:1.15rem}
    .site-footer p,.site-footer a{color:var(--muted);font-size:.88rem}
    .site-footer a{display:block;margin:6px 0}
    .site-footer a:hover{color:var(--amber)}
    .copyright{border-top:1px solid #39332a;margin-top:35px;padding-top:18px;color:#756b5d;font-size:.8rem}
    @media(max-width:900px){
      .hero-grid,.feature-layout,.case-layout,.news-layout{grid-template-columns:1fr}
      .price-grid{grid-template-columns:1fr}
      .price-board.recommend{transform:none}
      .scenario-wrap{grid-template-columns:1fr}
      .scenario-tabs{flex-direction:row;overflow:auto}
      .scenario-tabs a{white-space:nowrap;border-left:0;border-bottom:3px solid var(--line)}
      .scenario-tabs a.active{border-color:var(--amber)}
    }
    @media(max-width:680px){
      .container{width:min(calc(100% - 28px),var(--max))}
      .nav-wrap{min-height:66px}
      .main-nav{display:none;position:absolute;left:0;right:0;top:66px;background:var(--ink);padding:12px 14px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}
      .main-nav a,.menu-toggle{justify-content:center}
      .menu-toggle{display:inline-flex;margin-left:auto}
      .mega{position:static;width:auto;margin:8px 0;box-shadow:none}
      .hero{padding:60px 0}
      h1{font-size:2.65rem;letter-spacing:-2px}
      .section{padding:64px 0}
      .feature-card.primary{min-height:330px}
      .steps{display:block}
      .step{border-top:0;border-left:3px solid var(--orange);padding:10px 0 10px 15px}
      .cta-box{padding:28px;display:block}
      .cta-box .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
      .news-item{display:block}
      .news-item small{display:block;margin-top:5px}
    }
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
 --ink:#191815;--deep:#24201b;--panel:#302a23;--paper:#f4eddb;
 --paper-2:#fffaf0;--amber:#f5ae42;--orange:#dc7138;--mint:#9fc9ad;
 --muted:#a89d8d;--line:#5e5141;--red:#c95c4b;
 --shadow:5px 5px 0 rgba(12,10,8,.45);--radius:4px;--max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none;transition:all .2s ease}
a:focus,button:focus,input:focus,select:focus{outline:3px solid var(--amber);outline-offset:3px}
button,input,select{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 40px),var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(25,24,21,.97);border-bottom:1px solid var(--line)}
.nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px;position:relative}
.logo{font-weight:900;letter-spacing:-1px;font-size:1.18rem;white-space:nowrap;color:var(--amber)}
.logo-mark{display:inline-block;width:13px;height:13px;background:var(--orange);margin-right:8px;box-shadow:5px 5px 0 var(--mint);vertical-align:1px}
.main-nav{display:flex;align-items:center;gap:7px;margin-left:auto}
.main-nav a,.menu-toggle{display:inline-flex;align-items:center;min-height:44px;padding:8px 15px;color:#d9cfbe;font-size:.94rem;border:1px solid transparent;background:none}
.main-nav a:hover,.main-nav a.active,.menu-toggle:hover{color:var(--amber);border-color:var(--line);background:#2a251f}
.nav-action{background:var(--amber)!important;color:var(--ink)!important;border-color:var(--amber)!important;font-weight:800!important}
.menu-toggle{display:none}
.mega{position:absolute;right:20px;top:70px;width:330px;padding:20px;background:var(--panel);border:1px solid var(--amber);box-shadow:var(--shadow);display:none}
.mega.open{display:block}
.mega h3{font-size:.78rem;color:var(--mint);margin:0 0 10px;letter-spacing:2px}
.mega a{display:block;padding:10px;border-bottom:1px solid #4d4236;color:var(--paper)}
.mega a:hover{background:#40362b;color:var(--amber)}
.hero{padding:72px 0 68px;background-color:var(--deep);background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:24px 24px}
.breadcrumb{font-size:.82rem;color:var(--muted);margin-bottom:28px}
.breadcrumb a{color:var(--mint)}
.breadcrumb span{padding:0 9px;color:var(--line)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}
.eyebrow,.section-kicker{font-size:.76rem;letter-spacing:3px;color:var(--mint);font-weight:800}
h1,h2,h3{line-height:1.25;margin-top:0}
h1{font-size:clamp(2.3rem,5vw,4.55rem);letter-spacing:-2px;margin:15px 0 20px;color:var(--paper)}
h2{font-size:clamp(1.7rem,3vw,2.55rem);margin-bottom:12px}
h3{font-size:1.2rem}
.hero-copy p{font-size:1.08rem;max-width:650px;color:#d4c8b4;margin-bottom:25px}
.button-row{display:flex;flex-wrap:wrap;gap:13px;margin:27px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 20px;border:1px solid var(--amber);background:var(--amber);color:var(--ink);font-weight:800;box-shadow:4px 4px 0 #8d552d}
.btn:hover{transform:translate(-2px,-2px);background:#ffd078;box-shadow:6px 6px 0 #8d552d}
.btn:active{transform:translate(1px,1px);box-shadow:2px 2px 0 #8d552d}
.btn.secondary{background:transparent;color:var(--paper);box-shadow:none;border-color:var(--line)}
.btn.secondary:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.terminal{border:1px solid var(--amber);background:var(--panel);box-shadow:var(--shadow)}
.terminal-bar{height:40px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 16px;gap:7px;color:var(--muted);font:700 .75rem monospace}
.terminal-bar i{width:8px;height:8px;background:var(--orange);display:block}
.terminal-bar i:nth-child(2){background:var(--amber)}
.terminal-bar i:nth-child(3){background:var(--mint)}
.terminal-title{margin-left:8px;color:var(--orange)}
.terminal-body{padding:25px 24px 28px}
.index-code{font:700 .78rem monospace;color:var(--orange);margin-bottom:13px}
.status-line{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line);gap:12px}
.status-line:last-child{border-bottom:0}
.status-line span:first-child{color:var(--muted)}
.status-line strong{color:var(--amber);font-weight:700;text-align:right}
.section{padding:88px 0}
.section-head{max-width:700px;margin-bottom:38px}
.section-head p{color:var(--muted);margin:12px 0 0}
.light-section{background:var(--paper);color:var(--ink)}
.light-section .section-kicker{color:var(--orange)}
.filter-panel{display:grid;grid-template-columns:1.3fr .8fr .8fr auto;gap:12px;padding:18px;background:#211e1a;border:1px solid var(--line);box-shadow:3px 3px 0 rgba(0,0,0,.28)}
.filter-panel label{display:block;color:var(--muted);font-size:.78rem;margin-bottom:5px}
.filter-panel input,.filter-panel select{width:100%;height:46px;padding:8px 12px;background:#171512;border:1px solid var(--line);color:var(--paper)}
.filter-panel .btn{align-self:end;min-height:46px}
.content-layout{display:grid;grid-template-columns:.72fr 1.55fr;gap:26px;align-items:start}
.index-panel{background:var(--panel);border:1px solid var(--line);padding:22px;position:sticky;top:100px}
.index-panel h3{color:var(--amber);margin-bottom:17px}
.index-list{list-style:none;margin:0;padding:0}
.index-list li{border-bottom:1px solid var(--line)}
.index-list a{display:flex;justify-content:space-between;padding:13px 4px;color:#d7cbb8}
.index-list a:hover,.index-list a.active{color:var(--amber);padding-left:9px}
.index-list b{font:700 .72rem monospace;color:var(--muted)}
.result-list{display:grid;gap:16px}
.result-card{display:grid;grid-template-columns:180px 1fr auto;gap:20px;align-items:center;background:var(--paper-2);color:var(--ink);border:1px solid #d5c7ae;padding:16px;box-shadow:3px 3px 0 rgba(0,0,0,.2);transition:.2s}
.result-card:hover{transform:translate(-2px,-2px);border-color:var(--orange);box-shadow:5px 5px 0 rgba(71,42,25,.3)}
.thumb{height:124px;border:1px solid var(--line);background-color:#403327;background-image:linear-gradient(135deg,transparent 25%,rgba(245,174,66,.25) 25%,rgba(245,174,66,.25) 50%,transparent 50%,transparent 75%,rgba(159,201,173,.2) 75%);background-size:20px 20px;display:flex;align-items:flex-end;padding:10px;color:var(--amber);font:700 .78rem monospace}
.result-card h3{font-size:1.16rem;margin:8px 0 5px;color:var(--ink)}
.result-card p{font-size:.9rem;color:#716555;margin:0}
.badge{display:inline-block;padding:4px 9px;background:var(--mint);color:var(--ink);font-size:.72rem;font-weight:800}
.meta{font-size:.78rem;color:#8b7e6b;margin-top:9px}
.card-arrow{color:var(--orange);font-weight:800;white-space:nowrap}
.note-bar{margin-top:18px;padding:14px 18px;border-left:4px solid var(--amber);background:#3a3027;color:#d9cfbe;font-size:.9rem}
.path-section{background:#211e1a}
.path-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:36px;align-items:start}
.path-copy p{color:var(--muted);max-width:520px}
.steps{border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:70px 1fr;gap:18px;padding:21px 0;border-bottom:1px solid var(--line)}
.step-no{color:var(--orange);font:700 1.05rem monospace}
.step h3{margin:0 0 4px;color:var(--paper)}
.step p{margin:0;color:var(--muted)}
.faq-box{background:var(--paper-2);color:var(--ink);padding:10px 24px;border:1px solid #d5c7ae;box-shadow:var(--shadow)}
.faq-item{border-bottom:1px solid #d8ccb6}
.faq-item:last-child{border-bottom:0}
.faq-q{width:100%;padding:20px 0;background:none;border:0;text-align:left;font-weight:800;color:var(--ink);display:flex;justify-content:space-between;gap:15px}
.faq-q span{color:var(--orange);font-size:1.3rem;transition:.2s}
.faq-a{display:none;padding:0 30px 20px 0;color:#675d50;max-width:850px}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q span{transform:rotate(45deg)}
.cta-box{padding:42px;display:flex;align-items:center;justify-content:space-between;gap:25px;background:#403327;border:1px solid var(--line);box-shadow:var(--shadow)}
.cta-box p{color:var(--muted);max-width:640px;margin:0}
.site-footer{padding:48px 0 25px;background:#151411;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}
.footer-title{color:var(--amber);font-weight:900;font-size:1.15rem}
.site-footer strong{display:block;color:var(--paper);margin-bottom:9px}
.site-footer p,.site-footer a{color:var(--muted);font-size:.88rem}
.site-footer a{display:block;padding:3px 0}
.site-footer a:hover{color:var(--amber)}
.copyright{border-top:1px solid #373027;margin-top:35px;padding-top:20px;color:#746b5d;font-size:.78rem}
@media(max-width:900px){
 .nav-wrap{gap:14px}.main-nav{gap:2px}.hero-grid,.path-grid{grid-template-columns:1fr;gap:32px}
 .content-layout{grid-template-columns:1fr}.index-panel{position:static}.filter-panel{grid-template-columns:1fr 1fr}
 .result-card{grid-template-columns:145px 1fr}.card-arrow{grid-column:2}
}
@media(max-width:650px){
 .container{width:min(calc(100% - 28px),var(--max))}
 .nav-wrap{min-height:68px;flex-wrap:wrap}.logo{font-size:1rem}.nav-wrap>.menu-toggle{display:inline-flex;margin-left:auto}
 .main-nav{display:none;width:100%;order:3;flex-direction:column;align-items:stretch;margin:0;padding:8px 0 15px}
 .main-nav.open{display:flex}.main-nav a,.main-nav .menu-toggle{width:100%;justify-content:flex-start}
 .mega{position:static;width:100%;margin:0 0 12px;box-shadow:none}.mega.open{display:block}
 .main-nav .menu-toggle{display:flex}.hero{padding:47px 0 52px}h1{font-size:2.35rem;letter-spacing:-1px}
 .section{padding: sixtypx 0;padding:62px 0}.filter-panel{grid-template-columns:1fr}.result-card{grid-template-columns:1fr;gap:13px}.thumb{height:150px}.card-arrow{grid-column:auto}
 .cta-box{padding:28px 22px;display:block}.cta-box .btn{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}