/* roulang page: index */
:root{
      --ink:#101214;
      --ink-soft:#191c20;
      --surface:#f5f1eb;
      --paper:#fffdf9;
      --line:#ded7cd;
      --line-dark:rgba(255,255,255,.14);
      --text:#252321;
      --muted:#716b64;
      --light:#f7f3ed;
      --orange:#ff764d;
      --orange-deep:#e6502c;
      --mint:#a8f0d0;
      --yellow:#ffd36a;
      --radius:16px;
      --radius-sm:10px;
      --shadow:0 18px 42px rgba(28,22,16,.12);
      --shadow-dark:0 22px 46px rgba(0,0,0,.28);
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--surface);color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      font-size:16px;line-height:1.8;overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
    .site-shell{overflow:hidden}
    .site-container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:100;background:rgba(16,18,20,.97);
      border-bottom:1px solid rgba(255,118,77,.35);box-shadow:0 8px 26px rgba(0,0,0,.18);
    }
    .topbar:after{
      content:"";height:2px;position:absolute;left:0;right:0;bottom:-1px;
      background:linear-gradient(90deg,transparent,var(--orange),var(--mint),transparent);
    }
    .nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em}
    .brand-mark{width:29px;height:29px;position:relative;border:2px solid var(--orange);border-radius:8px;transform:skew(-11deg)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);height:3px;border-radius:4px;transform:skew(11deg)}
    .brand-mark:before{width:13px;top:7px;left:6px}.brand-mark:after{width:18px;top:15px;left:4px;background:var(--orange)}
    .main-nav{margin-left:auto;display:flex;align-items:center;gap:7px}
    .main-nav a{color:#d8d6d2;padding:10px 14px;border-radius:8px;font-size:14px;font-weight:700;transition:.22s ease}
    .main-nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
    .main-nav a.active{color:var(--mint);background:rgba(168,240,208,.09);box-shadow:inset 0 -2px 0 var(--mint)}
    .nav-cta,.button-main{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--orange);color:#18110e!important;
      padding:11px 17px;border-radius:9px;font-weight:800;font-size:14px;line-height:1.2;transition:.22s ease;border:1px solid var(--orange);
    }
    .nav-cta:hover,.button-main:hover{background:#ff916f;transform:translateY(-2px);box-shadow:0 10px 21px rgba(255,118,77,.25)}
    .button-line{
      display:inline-flex;align-items:center;justify-content:center;padding:11px 17px;border:1px solid rgba(255,255,255,.38);
      color:#fff;border-radius:9px;font-size:14px;font-weight:750;transition:.22s ease;
    }
    .button-line:hover{border-color:var(--mint);color:var(--mint);background:rgba(168,240,208,.08)}
    .menu-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line-dark);color:#fff;border-radius:8px;padding:8px 11px}
    .hero{position:relative;background:var(--ink);color:#fff;padding:68px 0 58px;isolation:isolate}
    .hero:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(120deg,rgba(255,118,77,.14),transparent 38%),linear-gradient(280deg,rgba(168,240,208,.10),transparent 33%)}
    .hero:after{content:"";position:absolute;right:-9%;top:-54%;width:44%;height:185%;border:1px solid rgba(168,240,208,.18);transform:rotate(17deg);border-radius:54px;z-index:-1}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
    .eyebrow{display:flex;align-items:center;gap:9px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.1em}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(35px,5vw,66px);line-height:1.16;letter-spacing:-.055em;margin:15px 0 20px;font-weight:900}
    .hero-copy{max-width:670px;color:#d3d4d2;font-size:17px;line-height:1.95;margin-bottom:25px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:29px}
    .hero-points{display:flex;gap:24px;flex-wrap:wrap;padding-top:4px}
    .hero-points div{border-left:2px solid var(--orange);padding-left:10px}
    .hero-points strong{display:block;font-size:19px;color:#fff;line-height:1.2}
    .hero-points span{font-size:12px;color:#aaa}
    .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;max-width:470px;margin-left:auto}
    .matrix-head{grid-column:1/-1;background:#21252a;border:1px solid var(--line-dark);padding:15px 17px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:space-between}
    .matrix-head b{font-size:15px}.status{font-size:12px;color:var(--mint);font-weight:800}.status:before{content:"";display:inline-block;width:7px;height:7px;background:var(--mint);border-radius:50%;margin-right:6px;box-shadow:0 0 10px var(--mint)}
    .matrix-cell{min-height:111px;border-radius:13px;border:1px solid var(--line-dark);padding:15px;background:#1a1e22;transition:.22s ease}
    .matrix-cell:hover{transform:translateY(-4px);border-color:var(--orange);background:#20252a}
    .matrix-cell:nth-child(3n+1){background:var(--orange);color:#20120d}.matrix-cell:nth-child(3n+3){background:var(--mint);color:#10221c}
    .matrix-num{display:block;font-size:27px;font-weight:900;line-height:1;margin-bottom:18px}.matrix-label{font-size:13px;font-weight:800;line-height:1.35}
    .section{padding:92px 0}
    .section-dark{background:var(--ink);color:#fff}
    .section-top{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:33px}
    .section-kicker{font-size:12px;line-height:1;color:var(--orange-deep);font-weight:900;letter-spacing:.12em;margin-bottom:10px}
    .section-dark .section-kicker{color:var(--mint)}
    h2{font-size:clamp(27px,3.5vw,43px);letter-spacing:-.045em;line-height:1.23;margin-bottom:0;font-weight:900}
    .section-intro{max-width:510px;color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:0}
    .section-dark .section-intro{color:#bec0bd}
    .entry-grid{display:grid;grid-template-columns:1.1fr .9fr 1.1fr;gap:16px}
    .entry-card{background:var(--paper);border:1px solid var(--line);padding:24px;border-radius:var(--radius);box-shadow:0 6px 15px rgba(38,27,15,.04);min-height:240px;display:flex;flex-direction:column;justify-content:space-between;transition:.24s ease}
    .entry-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--orange)}
    .entry-card.featured{background:var(--ink);color:#fff}.entry-card.featured p{color:#c8c8c5}.entry-card.featured .entry-index{color:var(--mint)}
    .entry-index{font-size:13px;color:var(--orange-deep);font-weight:900;letter-spacing:.09em}
    .entry-card h3{font-size:23px;line-height:1.35;margin:20px 0 10px;letter-spacing:-.03em}.entry-card p{font-size:14px;line-height:1.8;color:var(--muted);margin-bottom:20px}
    .text-link{font-size:14px;font-weight:850;color:var(--orange);text-decoration:none}.text-link:hover{color:var(--orange-deep);letter-spacing:.03em}
    .number-band{background:var(--orange);color:#1b120e;padding:28px 0}
    .number-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .number-item{border-left:1px solid rgba(27,18,14,.28);padding-left:18px}.number-item:first-child{border-left:0;padding-left:0}
    .number-item strong{display:block;font-size:34px;line-height:1;font-weight:950;letter-spacing:-.05em}.number-item span{font-size:13px;font-weight:750;display:block;margin-top:8px;opacity:.8}
    .feature-layout{display:grid;grid-template-columns:.84fr 1.16fr;gap:54px;align-items:start}.feature-lead{position:sticky;top:110px}.feature-lead p{color:#bebfbc;line-height:1.9;margin:18px 0 25px}.rule-list{border-top:1px solid var(--line-dark)}
    .rule-item{display:grid;grid-template-columns:55px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line-dark)}.rule-item b{color:var(--orange);font-size:14px}.rule-item h3{font-size:18px;margin:0 0 5px}.rule-item p{color:#a9aaa8;font-size:14px;line-height:1.75;margin:0}
    .topic-strip{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;margin-top:18px}.topic-panel{min-height:255px;border-radius:var(--radius);padding:26px;background:var(--paper);border:1px solid var(--line);position:relative;overflow:hidden}.topic-panel:after{content:"";position:absolute;width:160px;height:160px;border:1px solid var(--orange);border-radius:50%;right:-48px;bottom:-70px;opacity:.45}.topic-panel.dark{background:#20252a;color:#fff;border-color:#30363b}.topic-panel h3{font-size:25px;line-height:1.35;margin:28px 0 10px}.topic-panel p{font-size:14px;color:var(--muted);max-width:410px;line-height:1.85}.topic-panel.dark p{color:#bbbebb}.tag{display:inline-flex;align-items:center;padding:5px 9px;border-radius:5px;background:var(--yellow);color:#282016;font-size:12px;font-weight:850}.tag.mint{background:var(--mint)}
    .info-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:26px}.info-list{border-top:2px solid var(--ink)}.info-row{display:grid;grid-template-columns:106px 1fr auto;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}.info-row time{font-size:12px;color:var(--muted);font-weight:750}.info-row a{font-weight:800;line-height:1.5}.info-row a:hover{color:var(--orange-deep)}.arrow{font-size:21px;color:var(--orange)}.recommend{background:var(--ink);color:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-dark)}.recommend h3{font-size:23px;line-height:1.35;margin:18px 0 12px}.recommend p{color:#bfc0bd;font-size:14px;line-height:1.85}.recommend .button-line{margin-top:13px}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}.step{padding:25px 26px 15px 0;border-right:1px solid var(--line);margin-right:26px}.step:last-child{border-right:0;margin-right:0}.step-num{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:var(--mint);font-size:13px;font-weight:900;margin-bottom:19px}.step h3{font-size:19px;margin-bottom:8px}.step p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.faq-copy p{color:var(--muted);line-height:1.9;margin-top:17px}.accordion{margin:0;background:transparent;border-top:1px solid var(--line)}.accordion-item{background:transparent;border-bottom:1px solid var(--line)}.accordion-title{display:block!important;padding:20px 42px 20px 0!important;color:var(--text)!important;font-size:16px;font-weight:850;line-height:1.5;position:relative;border:0!important}.accordion-title:before{right:8px!important;border-color:var(--orange) transparent transparent!important}.accordion-content{padding:0 42px 20px 0!important;border:0!important;background:transparent!important;color:var(--muted);font-size:14px;line-height:1.85}.accordion-item.is-active .accordion-title{color:var(--orange-deep)!important}
    .cta{background:var(--ink);color:#fff;padding:58px 0;position:relative;overflow:hidden}.cta:after{content:"";position:absolute;right:7%;top:-120px;width:280px;height:280px;border:1px solid var(--orange);border-radius:50%;box-shadow:0 0 0 25px rgba(255,118,77,.06),0 0 0 55px rgba(255,118,77,.04)}.cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:45px;align-items:center;position:relative;z-index:1}.cta h2{max-width:620px}.cta p{color:#c2c3c0;max-width:610px;margin:16px 0 0;line-height:1.85}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}.contact-form label{font-size:13px;color:#d4d5d2;font-weight:700}.contact-form .full{grid-column:1/-1}.contact-form input,.contact-form textarea{width:100%;margin-top:6px;background:#20252a;color:#fff;border:1px solid #41474d;border-radius:8px;padding:11px 12px;transition:.2s}.contact-form textarea{min-height:92px;resize:vertical}.contact-form input:hover,.contact-form textarea:hover{border-color:#72787c}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(168,240,208,.12);outline:0}.form-note{font-size:12px;color:#919591;line-height:1.6;grid-column:1/-1;margin:0}.button-main.form-button{width:100%;border:0}
    .site-footer{background:#0c0e10;color:#fff;padding:45px 0 22px}.footer-grid{display:grid;grid-template-columns:1.2fr .7fr .7fr 1fr;gap:35px;padding-bottom:34px;border-bottom:1px solid var(--line-dark)}.footer-brand p{color:#999d9b;font-size:13px;line-height:1.8;max-width:300px;margin:16px 0 0}.footer-title{font-size:13px;color:var(--mint);font-weight:850;margin-bottom:13px}.footer-links{display:grid;gap:8px}.footer-links a{color:#b4b6b4;font-size:13px;transition:.2s}.footer-links a:hover{color:var(--orange)}.footer-contact{color:#b4b6b4;font-size:13px;line-height:1.9}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:18px;color:#767a77;font-size:12px}.footer-bottom a:hover{color:#fff}
    .reveal{animation:rise .7s ease both}@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
    @media(max-width:1024px){.hero-grid{gap:34px}.entry-grid{grid-template-columns:1fr 1fr}.entry-card:nth-child(3){grid-column:1/-1}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-contact{grid-column:1/-1}.feature-layout,.faq-grid{gap:35px}}
    @media(max-width:768px){.site-container{width:min(calc(100% - 32px),var(--container))}.nav-wrap{min-height:68px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:16px;right:16px;top:74px;padding:12px;background:#171a1d;border:1px solid var(--line-dark);border-radius:12px;box-shadow:var(--shadow-dark);flex-direction:column;align-items:stretch}.main-nav.is-open{display:flex}.main-nav a{padding:13px 14px}.nav-cta{margin-top:4px;text-align:center}.hero{padding:52px 0 45px}.hero-grid,.feature-layout,.info-layout,.faq-grid,.cta-grid{grid-template-columns:1fr}.matrix{margin:3px 0 0;max-width:none}.section{padding:66px 0}.section-top{display:block}.section-intro{margin-top:14px}.number-grid{grid-template-columns:1fr 1fr;gap:18px}.number-item:nth-child(3){border-left:0;padding-left:0}.feature-lead{position:static}.steps{grid-template-columns:1fr;border-top:0}.step{border-right:0;border-bottom:1px solid var(--line);margin:0;padding:22px 0}.step:last-child{border-bottom:0}.topic-strip{grid-template-columns:1fr}.contact-form{grid-template-columns:1fr}.contact-form .full{grid-column:auto}.form-note{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-contact{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
    @media(max-width:520px){h1{font-size:38px}.hero-copy{font-size:16px}.hero-actions{display:grid}.hero-actions a{width:100%}.matrix{grid-template-columns:repeat(2,1fr)}.matrix-head{grid-column:1/-1}.matrix-cell{min-height:95px}.entry-grid{grid-template-columns:1fr}.entry-card:nth-child(3){grid-column:auto}.number-grid{gap:12px}.number-item{padding-left:10px}.number-item strong{font-size:28px}.info-row{grid-template-columns:1fr auto;gap:4px}.info-row time{grid-column:1/-1}.recommend{padding:23px}.footer-grid{grid-template-columns:1fr}.footer-brand,.footer-contact{grid-column:auto}}
  style
  <script type="application/ld+json">
  {
    "@context":"https://schema.org",
    "@type":"WebSite",
    "name":"一本色道久久综合狠狠",
    "url":"https://msrbbs.com/",
    "description":"一本色道久久综合狠狠提供清晰的内容导览、专题入口与阅读索引，方便访客按主题查找和继续阅读。",
    "inLanguage":"zh-CN",
    "potentialAction":{"@type":"SearchAction","target":"https://msrbbs.com/?q={search_term_string}","query-input":"required name=search_term_string"}
  }
  </script>
<link rel="stylesheet" href="/assets/css/style.css">
<style id="roulang-fallback-style">
  body{font-family:"Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7;color:#1f2937;background:#f7f9fc}
  header,footer{background:#0f172a;color:#fff} header a,footer a{color:inherit;text-decoration:none}
  main section{padding:64px 0} .container{max-width:1180px}
  .hero,.site-hero{background:linear-gradient(135deg,#0f172a,#1d4ed8);color:#fff}
  .card,.feature-card,.service-card,.category-card{border:1px solid rgba(15,23,42,.08);box-shadow:0 12px 32px rgba(15,23,42,.08);border-radius:16px}
  .btn,.button,a[class*="btn"]{border-radius:999px;font-weight:700}
  img{max-width:100%;height:auto} @media(max-width:768px){main section{padding:42px 0} h1{font-size:2rem}}

/* roulang page: category1 */
:root{
 --ink:#101214;--ink-soft:#191c20;--surface:#f5f1eb;--paper:#fffdf9;
 --line:#ded7cd;--line-dark:rgba(255,255,255,.14);--text:#252321;--muted:#716b64;
 --orange:#ff764d;--orange-deep:#e6502c;--mint:#a8f0d0;--yellow:#ffd36a;
 --radius:16px;--radius-sm:10px;--shadow:0 18px 42px rgba(28,22,16,.12);
 --shadow-dark:0 22px 46px rgba(0,0,0,.28);--container:1240px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--surface);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
a{color:inherit;text-decoration:none} img{max-width:100%;height:auto;display:block}
button,input,textarea,select{font:inherit} button{cursor:pointer}
.site-container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.topbar{position:sticky;top:0;z-index:100;background:rgba(16,18,20,.97);border-bottom:1px solid rgba(255,118,77,.35);box-shadow:0 8px 26px rgba(0,0,0,.18)}
.topbar:after{content:"";height:2px;position:absolute;left:0;right:0;bottom:-1px;background:linear-gradient(90deg,transparent,var(--orange),var(--mint),transparent)}
.nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em}
.brand-mark{width:29px;height:29px;position:relative;border:2px solid var(--orange);border-radius:8px;transform:skew(-11deg)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);height:3px;border-radius:4px;transform:skew(11deg)}
.brand-mark:before{width:13px;top:7px;left:6px}.brand-mark:after{width:18px;top:15px;left:4px;background:var(--orange)}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:7px}
.main-nav a{color:#d8d6d2;padding:10px 14px;border-radius:8px;font-size:14px;font-weight:700;transition:.22s ease}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.main-nav a.active{color:var(--mint);background:rgba(168,240,208,.09);box-shadow:inset 0 -2px 0 var(--mint)}
.nav-cta,.button-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--orange);color:#18110e!important;padding:11px 17px;border-radius:9px;font-weight:800;font-size:14px;line-height:1.2;transition:.22s ease;border:1px solid var(--orange)}
.nav-cta:hover,.button-main:hover{background:#ff916f;transform:translateY(-2px);box-shadow:0 10px 21px rgba(255,118,77,.25)}
.button-line{display:inline-flex;align-items:center;justify-content:center;padding:11px 17px;border:1px solid rgba(255,255,255,.38);color:#fff;border-radius:9px;font-size:14px;font-weight:750;transition:.22s ease}
.button-line:hover{border-color:var(--mint);color:var(--mint);background:rgba(168,240,208,.08)}
.menu-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line-dark);color:#fff;border-radius:8px;padding:8px 11px}
.hero-topic{background:var(--ink);color:#fff;padding:78px 0 70px;position:relative;overflow:hidden}
.hero-topic:before{content:"01";position:absolute;right:5%;top:-25px;color:rgba(255,255,255,.045);font-size:260px;font-weight:900;line-height:1}
.topic-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:72px;align-items:center}
.eyebrow,.section-kicker{color:var(--mint);font-size:12px;font-weight:900;letter-spacing:.12em}
.eyebrow:before{content:"";display:inline-block;width:26px;height:2px;background:var(--orange);vertical-align:middle;margin-right:9px}
h1,h2,h3,p{margin-top:0} h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.055em;margin:17px 0 22px}
h2{font-size:clamp(28px,3.5vw,43px);line-height:1.25;letter-spacing:-.04em;margin:8px 0 15px}
h3{font-size:22px;line-height:1.35;margin:10px 0}
.hero-copy{max-width:650px;color:#ced0cc;font-size:17px;line-height:1.95;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.index-panel{border:1px solid rgba(168,240,208,.3);background:#171b1e;padding:25px;border-radius:var(--radius);box-shadow:var(--shadow-dark);transform:rotate(1deg)}
.panel-top{display:flex;justify-content:space-between;border-bottom:1px solid var(--line-dark);padding-bottom:18px;color:#aeb3ae;font-size:13px}
.panel-top strong{color:var(--orange)}
.topic-index{list-style:none;margin:0;padding:8px 0 0}
.topic-index li{display:flex;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line-dark)}
.topic-index b{color:var(--orange);font-size:14px}.topic-index span{font-size:18px;font-weight:800}.topic-index small{margin-left:auto;color:#a4aaa5}
.section{padding:88px 0}.section-dark{background:var(--ink);color:#fff}
.section-top{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:35px}
.section-kicker{color:var(--orange-deep)}.section-intro{max-width:540px;color:var(--muted);font-size:15px;margin:0}
.section-dark .section-intro{color:#bec0bd}
.tagbar{display:flex;gap:9px;flex-wrap:wrap;margin:0 0 30px}
.tag{border:1px solid var(--line);border-radius:30px;padding:7px 14px;color:var(--muted);font-size:13px;background:var(--paper);transition:.2s}
.tag:hover,.tag.selected{border-color:var(--orange);color:var(--orange-deep);background:#fff5ee}
.guide-list{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.guide-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:grid;grid-template-columns:60px 1fr;gap:22px;transition:.24s}
.guide-card:hover{transform:translateY(-5px);border-color:var(--orange);box-shadow:var(--shadow)}
.guide-card:nth-child(3){grid-column:1 / -1;background:var(--ink);color:#fff}
.guide-card:nth-child(3) p{color:#c2c5c1}
.guide-no{color:var(--orange);font-size:28px;font-weight:900;line-height:1}
.guide-card p{color:var(--muted);font-size:14px;margin:0 0 14px}
.guide-card .text-link{color:var(--orange)}
.highlight{background:#211d19;color:#fff;padding:42px;border-radius:var(--radius);display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;overflow:hidden}
.highlight p{color:#c7c5bf;margin:0}.highlight-mark{font-size:clamp(40px,6vw,82px);font-weight:900;color:var(--mint);line-height:1;letter-spacing:-.08em}
.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.detail-card{background:var(--paper);padding:24px;border:1px solid var(--line);border-radius:var(--radius-sm)}
.detail-card span{display:block;color:var(--orange-deep);font-size:12px;font-weight:900;margin-bottom:12px}
.detail-card p{color:var(--muted);font-size:14px;margin:0}
.faq-list{max-width:900px;margin:auto}.faq-item{border-top:1px solid var(--line);padding:0}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 38px 20px 0;font-weight:800;font-size:17px;position:relative}
.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:4px;color:var(--orange);font-size:25px;top:14px}
.faq-item[open] summary:after{content:"−"}.faq-answer{color:var(--muted);padding:0 35px 22px 0;font-size:15px}
.cta{background:var(--orange);padding:62px 0;color:#21130e}.cta-grid{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin-bottom:8px}.cta p{margin:0;max-width:620px}
.cta .button-line{border-color:#21130e;color:#21130e}.cta .button-line:hover{background:rgba(255,255,255,.2);color:#21130e;border-color:#21130e}
.site-footer{background:var(--ink);color:#fff;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:#aeb1ad;font-size:14px;max-width:300px;margin-top:17px}.footer-title{color:var(--mint);font-size:13px;font-weight:900;margin-bottom:13px}.footer-links{display:grid;gap:7px;color:#c4c6c2;font-size:14px}.footer-links a:hover{color:var(--orange)}.footer-contact{color:#b9bbb7;font-size:14px}.footer-bottom{border-top:1px solid var(--line-dark);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;color:#909490;font-size:13px}.footer-bottom a:hover{color:var(--mint)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
@media(max-width:900px){.topic-grid{grid-template-columns:1fr;gap:38px}.guide-list{grid-template-columns:1fr}.detail-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.main-nav{gap:1px}}
@media(max-width:640px){.site-container{width:min(calc(100% - 32px),var(--container))}.nav-wrap{min-height:66px}.brand{font-size:14px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:16px;right:16px;top:70px;background:var(--ink-soft);padding:12px;flex-direction:column;align-items:stretch;border:1px solid var(--line-dark);border-radius:12px;box-shadow:var(--shadow-dark)}.main-nav.open{display:flex}.main-nav a{padding:13px 14px}.hero-topic{padding:58px 0}.hero-copy{font-size:16px}.index-panel{transform:none}.section{padding:62px 0}.section-top,.cta-grid{display:block}.section-top .section-intro{margin-top:15px}.guide-card{grid-template-columns:42px 1fr;padding:21px;gap:13px}.highlight{display:block;padding:28px}.highlight-mark{margin-bottom:25px}.detail-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:26px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}h1{font-size:43px}}

/* roulang page: category2 */
:root{
--ink:#101214;--ink-soft:#191c20;--surface:#f5f1eb;--paper:#fffdf9;--line:#ded7cd;
--line-dark:rgba(255,255,255,.14);--text:#252321;--muted:#716b64;--light:#f7f3ed;
--orange:#ff764d;--orange-deep:#e6502c;--mint:#a8f0d0;--yellow:#ffd36a;
--radius:16px;--radius-sm:10px;--shadow:0 18px 42px rgba(28,22,16,.12);
--shadow-dark:0 22px 46px rgba(0,0,0,.28);--container:1240px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--surface);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
h1,h2,h3,p{margin-top:0}
.site-container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.topbar{position:sticky;top:0;z-index:100;background:rgba(16,18,20,.97);border-bottom:1px solid rgba(255,118,77,.35);box-shadow:0 8px 26px rgba(0,0,0,.18)}
.topbar:after{content:"";height:2px;position:absolute;left:0;right:0;bottom:-1px;background:linear-gradient(90deg,transparent,var(--orange),var(--mint),transparent)}
.nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em}
.brand-mark{width:29px;height:29px;position:relative;border:2px solid var(--orange);border-radius:8px;transform:skew(-11deg)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);height:3px;border-radius:4px;transform:skew(11deg)}
.brand-mark:before{width:13px;top:7px;left:6px}.brand-mark:after{width:18px;top:15px;left:4px;background:var(--orange)}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:7px}
.main-nav a{color:#d8d6d2;padding:10px 14px;border-radius:8px;font-size:14px;font-weight:700;transition:.22s ease}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.main-nav a.active{color:var(--mint);background:rgba(168,240,208,.09);box-shadow:inset 0 -2px 0 var(--mint)}
.nav-cta,.button-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--orange);color:#18110e!important;padding:11px 17px;border-radius:9px;font-weight:800;font-size:14px;line-height:1.2;transition:.22s ease;border:1px solid var(--orange)}
.nav-cta:hover,.button-main:hover{background:#ff916f;transform:translateY(-2px);box-shadow:0 10px 21px rgba(255,118,77,.25)}
.button-line{display:inline-flex;align-items:center;justify-content:center;padding:11px 17px;border:1px solid rgba(255,255,255,.38);color:#fff;border-radius:9px;font-size:14px;font-weight:750;transition:.22s ease}
.button-line:hover{border-color:var(--mint);color:var(--mint);background:rgba(168,240,208,.08)}
.menu-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line-dark);color:#fff;border-radius:8px;padding:8px 11px}
.hero-collection{position:relative;background:var(--ink);color:#fff;padding:82px 0 78px;overflow:hidden}
.hero-collection:before{content:"";position:absolute;width:520px;height:520px;right:-180px;top:-230px;border:1px solid rgba(168,240,208,.24);border-radius:50%;box-shadow:0 0 0 28px rgba(168,240,208,.04),0 0 0 58px rgba(255,118,77,.04)}
.hero-collection:after{content:"";position:absolute;left:0;bottom:0;width:48%;height:1px;background:var(--orange)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.eyebrow{display:flex;align-items:center;gap:9px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.1em}
.eyebrow:before{content:"";width:26px;height:2px;background:var(--orange)}
.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.055em;margin:18px 0 22px;max-width:700px}
.hero-copy{max-width:650px;color:#d3d4d2;font-size:17px;line-height:1.95;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-panel{position:relative;background:#20252a;border:1px solid rgba(168,240,208,.28);border-radius:20px;padding:26px;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-dark);padding-bottom:17px;margin-bottom:22px}
.panel-label{font-size:12px;color:var(--mint);font-weight:800;letter-spacing:.12em}
.panel-code{font-size:12px;color:#8c9592}
.panel-title{font-size:27px;line-height:1.35;font-weight:850;margin-bottom:18px}
.panel-desc{font-size:14px;color:#bfc5c1;line-height:1.8}
.panel-lines{display:grid;gap:10px;margin:24px 0}
.panel-line{height:8px;border-radius:8px;background:#343b3e}
.panel-line:nth-child(1){width:88%;background:var(--orange)}.panel-line:nth-child(2){width:68%;background:var(--mint)}.panel-line:nth-child(3){width:78%}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:30px;padding:5px 12px;font-size:13px;color:var(--muted);background:var(--paper)}
.tag.dark{border-color:var(--line-dark);color:#d9dedb;background:rgba(255,255,255,.04)}
.section{padding:88px 0}.section-dark{background:var(--ink);color:#fff}
.section-top{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
.section-kicker{font-size:12px;line-height:1;color:var(--orange-deep);font-weight:900;letter-spacing:.12em;margin-bottom:10px}
.section-dark .section-kicker{color:var(--mint)}
.section h2{font-size:clamp(28px,3.3vw,44px);line-height:1.25;letter-spacing:-.04em;margin-bottom:0}
.section-intro{max-width:520px;color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:0}
.section-dark .section-intro{color:#bec0bd}
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 0 24px;border-bottom:1px solid var(--line)}
.filter-bar .filter-label{font-size:13px;font-weight:800;color:var(--text);margin-right:5px}
.filter{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:30px;padding:7px 15px;font-size:13px;transition:.2s}
.filter:hover,.filter.active{background:var(--ink);color:var(--mint);border-color:var(--ink)}
.featured-wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;margin-top:28px}
.collection-feature{min-height:320px;position:relative;display:flex;align-items:end;padding:30px;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#242b2c,#111416 72%);border:1px solid rgba(168,240,208,.25);color:#fff}
.collection-feature:before{content:"";position:absolute;right:-60px;top:-80px;width:300px;height:300px;border:1px solid rgba(255,118,77,.55);border-radius:50%;box-shadow:0 0 0 22px rgba(255,118,77,.05),0 0 0 48px rgba(168,240,208,.04)}
.collection-feature>*{position:relative}
.feature-number{position:absolute;right:26px;bottom:22px;color:rgba(255,255,255,.13);font-size:92px;font-weight:950;line-height:1}
.collection-feature h3{font-size:30px;line-height:1.3;margin:16px 0 10px;max-width:530px}
.collection-feature p{color:#c4cbc6;max-width:560px;margin-bottom:20px;font-size:15px}
.mini-stack{display:grid;gap:18px}
.mini-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:23px;min-height:151px;transition:.22s}
.mini-card:hover{transform:translateX(5px);border-color:var(--orange);box-shadow:var(--shadow)}
.mini-card strong{display:block;font-size:20px;line-height:1.35;margin:10px 0 6px}
.mini-card p{font-size:13px;line-height:1.7;color:var(--muted);margin:0}
.index-mark{font-size:12px;font-weight:900;color:var(--orange-deep);letter-spacing:.12em}
.collection-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}
.collection-item{display:grid;grid-template-columns:70px 1fr auto;gap:20px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 24px;transition:.22s}
.collection-item:hover{border-color:var(--orange);box-shadow:var(--shadow);transform:translateY(-4px)}
.item-no{font-size:30px;color:var(--orange);font-weight:900;line-height:1}
.collection-item h3{font-size:19px;margin:0 0 5px;line-height:1.4}
.collection-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}
.item-arrow{color:var(--orange);font-size:22px}
.note-box{margin-top:28px;padding:23px 26px;background:#fff7e7;border-left:4px solid var(--yellow);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#5d5141}
.note-box strong{display:block;margin-bottom:4px}.note-box p{margin:0;font-size:14px}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px}
.faq-side p{color:var(--muted);max-width:340px}
.accordion{margin:0;background:transparent;border-top:1px solid var(--line)}
.accordion-item{border-bottom:1px solid var(--line);background:transparent}
.accordion-title{display:block;padding:20px 42px 20px 0;border:0;color:var(--text);font-size:16px;font-weight:800;position:relative}
.accordion-title:hover{color:var(--orange-deep)}.accordion-title:before{right:7px;color:var(--orange)}
.accordion-content{padding:0 35px 21px 0;border:0;background:transparent;color:var(--muted);font-size:14px;line-height:1.9}
.cta{background:var(--orange);padding:58px 0;color:#21130f}
.cta-grid{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:clamp(26px,3vw,40px);line-height:1.3;margin-bottom:10px;letter-spacing:-.04em}
.cta p{margin:0;max-width:610px;color:#553328}
.cta .button-main{background:var(--ink);color:#fff!important;border-color:var(--ink)}.cta .button-main:hover{background:#252b2d}
.site-footer{background:var(--ink);color:#c7c9c5;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:42px}
.footer-brand p{max-width:285px;color:#929793;font-size:14px;margin:17px 0 0}
.footer-title{font-size:13px;color:var(--mint);font-weight:850;margin-bottom:13px;letter-spacing:.06em}
.footer-links{display:grid;gap:8px;font-size:14px}.footer-links a:hover{color:var(--orange)}
.footer-contact{font-size:14px;color:#929793;line-height:2}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line-dark);padding-top:20px;color:#858b87;font-size:12px}
.footer-bottom a:hover{color:var(--mint)}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
@media(max-width:900px){
.site-container{width:min(calc(100% - 36px),var(--container))}
.main-nav{gap:0}.main-nav a{padding:9px 9px;font-size:13px}
.hero-grid,.featured-wrap,.faq-layout{grid-template-columns:1fr;gap:34px}
.hero-panel{max-width:620px;transform:none}.collection-list{grid-template-columns:1fr}
.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
.site-container{width:min(calc(100% - 28px),var(--container))}
.nav-wrap{min-height:68px}.brand{font-size:14px}.brand-mark{width:26px;height:26px}
.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:14px;right:14px;top:73px;padding:12px;flex-direction:column;align-items:stretch;background:#191c20;border:1px solid var(--line-dark);border-radius:12px;box-shadow:var(--shadow-dark)}
.main-nav.open{display:flex}.main-nav a{padding:13px 15px}.nav-cta{text-align:center;margin-top:5px}
.hero-collection{padding:60px 0 55px}.hero h1{font-size:40px}.hero-copy{font-size:16px}
.section{padding:62px 0}.section-top{display:block;margin-bottom:25px}.section-intro{margin-top:15px}
.collection-feature{min-height:365px;padding:23px}.collection-feature h3{font-size:25px}
.collection-item{grid-template-columns:45px 1fr;gap:14px;padding:19px}.item-arrow{display:none}
.cta{padding:45px 0}.cta-grid{display:block}.cta .button-main{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-bottom:7px}
}
@media(max-width:420px){.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}