/* roulang page: index */
:root{
      --ink:#272629;
      --muted:#706c72;
      --paper:#f7f3ed;
      --surface:#fffdf9;
      --line:#e7ded5;
      --brand:#b8664f;
      --brand-dark:#874837;
      --sage:#849b8d;
      --lav:#dcd5e6;
      --sun:#e4b85f;
      --night:#292a32;
      --success:#5e8b70;
      --shadow:0 18px 45px rgba(53,39,32,.09);
      --soft-shadow:0 8px 22px rgba(53,39,32,.07);
      --radius:24px;
      --small-radius:14px;
      --container:1220px;
    }
    *,*:before,*:after{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 SC",Arial,sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(228,184,95,.9);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .topline{height:5px;background:linear-gradient(90deg,var(--brand),var(--sun),var(--sage))}
    header{position:sticky;top:0;z-index:20;background:rgba(247,243,237,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,222,213,.8)}
    .nav{height:82px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
    .logo-mark{width:35px;height:35px;border-radius:12px 12px 12px 4px;background:var(--brand);position:relative;transform:rotate(-8deg)}
    .logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:3px solid var(--paper);border-radius:50%;right:7px;top:8px}
    nav{display:flex;align-items:center;gap:5px;flex:1;justify-content:center}
    nav a{padding:9px 11px;border-radius:10px;color:#625d61;font-size:14px;transition:.25s ease;white-space:nowrap}
    nav a:hover{background:#eee5dd;color:var(--brand-dark)}
    nav a.active{background:var(--brand);color:#fff}
    .nav-cta,.btn-primary{background:var(--brand);color:#fff;border:0;border-radius:13px;padding:12px 19px;font-weight:700;transition:.25s ease;box-shadow:0 7px 16px rgba(184,102,79,.2)}
    .nav-cta:hover,.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 12px;color:var(--brand-dark)}
    .hero{min-height:640px;display:flex;align-items:center;position:relative;overflow:hidden;background:#e9ddd2 url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(247,243,237,.98) 0%,rgba(247,243,237,.88) 42%,rgba(247,243,237,.16) 100%)}
    .hero-content{position:relative;width:100%;padding:88px 0}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--brand-dark);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--brand)}
    h1,h2,h3,p{margin-top:0}
    h1{max-width:690px;font-size:clamp(42px,6vw,78px);line-height:1.16;letter-spacing:-.06em;margin:20px 0 25px;font-weight:900}
    h1 em{font-style:normal;color:var(--brand)}
    .hero-copy{max-width:620px;color:#5c5759;font-size:18px;line-height:2}
    .hero-actions{display:flex;gap:13px;align-items:center;margin:32px 0 38px;flex-wrap:wrap}
    .btn-secondary,.btn-light{border:1px solid #cdbeb3;background:rgba(255,253,249,.75);border-radius:13px;padding:11px 18px;font-weight:700;color:var(--brand-dark);transition:.25s}
    .btn-secondary:hover,.btn-light:hover{border-color:var(--brand);background:#fff;transform:translateY(-2px)}
    .hero-points{display:flex;gap:26px;flex-wrap:wrap}
    .hero-point{font-size:13px;color:#655e5d}
    .hero-point strong{display:block;color:var(--ink);font-size:24px;line-height:1.3}
    section{padding:92px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:35px}
    h2{font-size:clamp(29px,4vw,47px);letter-spacing:-.045em;line-height:1.3;margin:10px 0 12px}
    h3{font-size:20px;line-height:1.4;margin-bottom:9px}
    .section-intro{max-width:590px;color:var(--muted);margin:0}
    .text-link{color:var(--brand-dark);font-weight:800;border-bottom:1px solid var(--brand);padding-bottom:2px}
    .news{background:var(--surface)}
    .news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}
    .feature-news{display:grid;grid-template-columns:.9fr 1.1fr;min-height:310px;background:#eee2d8;border-radius:var(--radius);overflow:hidden}
    .feature-news img{width:100%;height:100%;object-fit:cover}
    .feature-body{padding:34px;display:flex;flex-direction:column;justify-content:center}
    .tag{display:inline-flex;align-items:center;width:max-content;border-radius:30px;padding:4px 11px;background:#ead3c9;color:var(--brand-dark);font-size:12px;font-weight:800}
    .feature-body p,.news-item p{color:var(--muted);font-size:14px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:86px 1fr auto;gap:14px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .news-date{font-size:13px;color:var(--brand-dark);font-weight:800}
    .news-item h3{font-size:16px;margin:0 0 3px}
    .news-item p{margin:0;line-height:1.6}
    .arrow{color:var(--brand);font-size:22px}
    .dashboard{background:#ded8e3}
    .metric-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:14px}
    .metric{padding:26px;background:rgba(255,253,249,.76);border:1px solid rgba(255,255,255,.7);border-radius:18px;min-height:155px}
    .metric:first-child{background:var(--night);color:#fff}
    .metric-label{font-size:13px;color:var(--muted)}
    .metric:first-child .metric-label{color:#d3ccd1}
    .metric-number{font-size:40px;font-weight:900;line-height:1.2;margin:12px 0 6px;color:var(--brand-dark)}
    .metric:first-child .metric-number{color:var(--sun)}
    .progress{height:7px;background:#e7ded8;border-radius:20px;overflow:hidden;margin-top:17px}
    .progress span{display:block;height:100%;background:var(--sage);border-radius:20px}
    .service{background:var(--paper)}
    .service-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;grid-template-rows:auto auto;gap:16px}
    .service-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s;box-shadow:var(--soft-shadow)}
    .service-card:hover{transform:translateY(-5px);border-color:#ca9a8a;box-shadow:var(--shadow)}
    .service-main{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;min-height:420px;background:#c5d1c8 url('/assets/images/coverpic/cover-2.webp') center/cover}
    .service-main .service-overlay{background:rgba(247,243,237,.9);padding:22px;border-radius:18px}
    .service-card p{color:var(--muted);font-size:14px}
    .service-index{font-size:14px;color:var(--brand);font-weight:900}
    .result{background:var(--night);color:#fff}
    .result .section-kicker{color:#e5cda1}
    .result .section-kicker:before{background:var(--sun)}
    .result .section-intro{color:#c7c0c3}
    .compare{display:grid;grid-template-columns:1fr 64px 1fr;gap:16px;align-items:stretch}
    .compare-panel{padding:30px;border-radius:20px;background:#3a3942;border:1px solid #504d55}
    .compare-panel.good{background:#e9ded5;color:var(--ink);border:0}
    .compare-panel h3{color:var(--sun)}
    .compare-panel.good h3{color:var(--brand-dark)}
    .compare-panel ul{padding:0;margin:20px 0 0;list-style:none}
    .compare-panel li{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14px}
    .compare-panel.good li{border-color:#d7c9c0}
    .compare-symbol{display:grid;place-items:center;color:var(--sun);font-size:27px}
    .brand-story{max-width:820px;margin:42px auto 0;color:#d4ced0;font-size:16px;line-height:2}
    .app-section{background:#efe6dc}
    .app-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:center}
    .app-image{border-radius:32px;overflow:hidden;box-shadow:var(--shadow);transform:rotate(-2deg)}
    .app-image img{width:100%;height:360px;object-fit:cover}
    .app-copy p{color:var(--muted);max-width:600px}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
    .step{padding:18px;background:rgba(255,255,255,.56);border-radius:15px}
    .step b{display:block;color:var(--brand);font-size:25px}
    .faq{background:var(--surface)}
    .faq-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:55px}
    .faq-aside{padding-top:10px}
    .faq-aside p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:20px 0}
    summary{cursor:pointer;list-style:none;font-weight:800;font-size:17px;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--brand);font-size:22px;line-height:1}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:15px;max-width:720px;margin:14px 35px 0 0}
    .contact{padding-top:55px}
    .contact-box{background:var(--brand-dark);color:#fff;border-radius:30px;padding:48px;display:grid;grid-template-columns:.8fr 1.2fr;gap:55px}
    .contact-box p{color:#f1dfd8}
    .contact-note{font-size:14px;color:#e7c7bb!important}
    form{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    label{font-size:13px;color:#f5e8e3;font-weight:700}
    .field{display:flex;flex-direction:column;gap:6px}
    .field.full{grid-column:1/-1}
    input,select,textarea{width:100%;background:#fff8f4;border:1px solid transparent;border-radius:10px;padding:12px 13px;color:var(--ink);transition:.2s}
    textarea{min-height:105px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--sun);outline:3px solid rgba(228,184,95,.22)}
    .form-submit{grid-column:1/-1;display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-top:5px}
    .form-submit button{background:var(--sun);color:#322a26;border:0;border-radius:11px;padding:12px 25px;font-weight:900}
    .form-submit button:hover{background:#f0ca7c}
    .check{font-size:12px;color:#ead6ce}
    .about{padding-top:30px;background:var(--paper)}
    .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}
    .about-card{border-left:4px solid var(--sage);padding:10px 25px}
    .about-card p{color:var(--muted)}
    footer{background:#22232a;color:#eee;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:35px;padding-bottom:40px;border-bottom:1px solid #45434a}
    footer h3{font-size:16px;color:#fff}
    footer p,footer a{color:#bcb7ba;font-size:14px}
    footer a:hover{color:#f0c36d}
    .footer-links{display:flex;flex-direction:column;gap:5px}
    .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;color:#a7a1a4;font-size:12px}
    .toast{position:fixed;right:22px;bottom:22px;background:var(--night);color:#fff;padding:13px 18px;border-radius:11px;opacity:0;pointer-events:none;transform:translateY(12px);transition:.3s;z-index:40}
    .toast.show{opacity:1;transform:none}
    @media(max-width:1100px){nav{gap:0}.nav{gap:12px}.metric-grid{grid-template-columns:1fr 1fr}.service-grid{grid-template-columns:1fr 1fr}.service-main{grid-row:auto;grid-column:span 2}}
    @media(max-width:820px){.menu-toggle{display:block;margin-left:auto}nav{display:none;position:absolute;top:87px;left:24px;right:24px;background:var(--surface);padding:12px;box-shadow:var(--shadow);border:1px solid var(--line);border-radius:16px;flex-direction:column;align-items:stretch}nav.open{display:flex}nav a{padding:12px}.nav-cta{display:none}.news-layout,.app-layout,.faq-layout,.contact-box{grid-template-columns:1fr}.feature-news{grid-template-columns:1fr}.feature-news img{height:220px}.compare{grid-template-columns:1fr}.compare-symbol{height:25px}.footer-grid{grid-template-columns:1fr 1fr}section{padding:70px 0}}
    @media(max-width:560px){.container{width:min(100% - 30px,var(--container))}.logo{font-size:20px}.hero{min-height:650px}.hero-content{padding:65px 0}.hero-copy{font-size:16px}.hero-actions>*{width:100%;text-align:center}.hero-points{gap:15px}.section-head{display:block}.metric-grid,.service-grid,.steps,.about-grid{grid-template-columns:1fr}.service-main{grid-column:auto;min-height:350px}.contact-box{padding:28px 20px;border-radius:22px}.contact-box form{grid-template-columns:1fr}.field.full,.form-submit{grid-column:auto}.footer-grid{grid-template-columns:1fr}.news-item{grid-template-columns:70px 1fr}.arrow{display:none}}

/* roulang page: category2 */
:root{
 --ink:#272629;--muted:#706c72;--paper:#f7f3ed;--surface:#fffdf9;--line:#e7ded5;
 --brand:#b8664f;--brand-dark:#874837;--sage:#849b8d;--lav:#dcd5e6;
 --sun:#e4b85f;--night:#292a32;--success:#5e8b70;
 --shadow:0 18px 45px rgba(53,39,32,.09);--soft-shadow:0 8px 22px rgba(53,39,32,.07);
 --radius:24px;--small-radius:14px;--container:1220px
}
*{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 SC",Arial,sans-serif;font-size:16px;line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(247,243,237,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,222,213,.85)}
.nav{height:82px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
.logo-mark{width:35px;height:35px;border-radius:12px 12px 12px 4px;background:var(--brand);position:relative;transform:rotate(-8deg)}
.logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:3px solid var(--paper);border-radius:50%;right:7px;top:8px}
nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
nav a{padding:9px 10px;border-radius:10px;color:#625d61;font-size:14px;transition:.25s ease;white-space:nowrap}
nav a:hover{background:#eee5dd;color:var(--brand-dark)}
nav a.active{background:var(--brand);color:#fff}
.nav-cta,.btn-primary{background:var(--brand);color:#fff;border:0;border-radius:13px;padding:12px 19px;font-weight:700;transition:.25s ease;box-shadow:0 7px 16px rgba(184,102,79,.2)}
.nav-cta:hover,.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.nav-cta:focus,.btn-primary:focus,.btn-secondary:focus,.btn-light:focus,nav a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(228,184,95,.55);outline-offset:3px}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 12px;color:var(--brand-dark)}
.page-banner{position:relative;overflow:hidden;padding:74px 0 82px;background:#e9ddd2 url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(247,243,237,.97),rgba(247,243,237,.72) 58%,rgba(247,243,237,.22))}
.banner-inner{position:relative}
.breadcrumb{font-size:13px;color:var(--brand-dark);margin-bottom:24px}
.breadcrumb a{border-bottom:1px solid var(--brand)}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--brand-dark);font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--brand)}
h1,h2,h3{line-height:1.25;margin:0 0 16px;letter-spacing:-.035em}
h1{font-size:clamp(40px,6vw,70px);max-width:740px}
h2{font-size:clamp(28px,4vw,45px)}
h3{font-size:20px}
.banner-copy{max-width:650px;color:#5c5759;font-size:18px;line-height:2;margin:0}
.banner-note{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.tag{display:inline-flex;align-items:center;width:max-content;border-radius:30px;padding:4px 11px;background:#ead3c9;color:var(--brand-dark);font-size:12px;font-weight:800}
.btn-secondary,.btn-light{display:inline-block;border:1px solid #cdbeb3;background:rgba(255,253,249,.75);border-radius:13px;padding:11px 18px;font-weight:700;color:var(--brand-dark);transition:.25s}
.btn-secondary:hover,.btn-light:hover{border-color:var(--brand);background:#fff;transform:translateY(-2px)}
section{padding:88px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
.section-intro{max-width:600px;color:var(--muted);margin:0}
.service-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:stretch}
.service-lead{background:var(--night);color:#fff;border-radius:var(--radius);padding:38px;min-height:390px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.service-lead:after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(228,184,95,.35);border-radius:50%;right:-65px;bottom:-80px}
.service-lead p{color:#d4ced0;max-width:500px}
.service-lead .tag{background:rgba(228,184,95,.18);color:#f2cc82}
.service-lead .btn-light{background:transparent;border-color:#756d70;color:#fff;position:relative;z-index:1}
.lead-meta{display:flex;gap:24px;flex-wrap:wrap;margin-top:24px}
.lead-meta strong{display:block;color:var(--sun);font-size:26px;line-height:1.2}
.lead-meta span{font-size:13px;color:#c7c0c3}
.service-image{border-radius:var(--radius);overflow:hidden;min-height:390px;background:#d7c8bd}
.service-image img{width:100%;height:100%;object-fit:cover}
.matrix{padding-top:20px}
.matrix-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;grid-template-rows:auto auto;gap:16px}
.service-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s;box-shadow:var(--soft-shadow);position:relative}
.service-card:hover{transform:translateY(-5px);border-color:#ca9a8a;box-shadow:var(--shadow)}
.service-card.large{grid-row:span 2;min-height:430px;background:#c5d1c8 url('/assets/images/coverpic/cover-4.webp') center/cover}
.service-card.large .card-inner{background:rgba(247,243,237,.92);border-radius:18px;padding:23px;position:absolute;left:24px;right:24px;bottom:24px}
.service-card p{color:var(--muted);font-size:14px;margin:0 0 20px}
.card-num{font-size:13px;color:var(--brand);font-weight:900;letter-spacing:.12em;margin-bottom:25px}
.card-link{font-size:14px;font-weight:800;color:var(--brand-dark)}
.card-link:after{content:"  →";color:var(--brand);transition:.2s}
.card-link:hover:after{margin-left:5px}
.service-list{list-style:none;margin:20px 0 0;padding:0;border-top:1px solid var(--line)}
.service-list li{padding:12px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;font-size:14px}
.service-list span{color:var(--muted)}
.workflow{background:#efe6dc}
.workflow-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px;align-items:start}
.workflow-copy p{color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.step{background:var(--surface);border-radius:18px;padding:23px;border:1px solid var(--line);min-height:150px}
.step strong{display:flex;align-items:center;gap:10px;font-size:17px}
.step strong b{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;font-size:13px}
.step p{font-size:14px;color:var(--muted);margin:14px 0 0}
.detail-section{background:var(--surface)}
.detail-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.detail-grid img{width:100%;height:410px;object-fit:cover;border-radius:var(--radius)}
.detail-copy p{color:var(--muted)}
.check-list{list-style:none;padding:0;margin:24px 0 0}
.check-list li{padding:13px 0 13px 34px;border-bottom:1px solid var(--line);position:relative}
.check-list li:before{content:"✓";position:absolute;left:0;top:11px;width:22px;height:22px;border-radius:50%;background:#d7e2d9;color:var(--success);text-align:center;font-weight:900;line-height:22px}
.audience{padding-top:78px}
.audience-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.audience-card{padding:24px;background:#f0e6df;border-radius:18px;border:1px solid transparent;transition:.25s}
.audience-card:hover{background:#fffaf5;border-color:var(--line);transform:translateY(-3px)}
.audience-card p{font-size:14px;color:var(--muted);margin:0}
.faq{background:var(--surface)}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}
.faq-aside p{color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:20px 0}
summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";font-size:25px;color:var(--brand);line-height:1}
details[open] summary:after{content:"−"}
details p{color:var(--muted);font-size:14px;margin:13px 30px 0 0}
.cta{padding:65px 0;background:var(--brand-dark);color:#fff}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta p{color:#eadbd5;max-width:620px;margin:0}
.cta .btn-light{background:var(--sun);border-color:var(--sun);color:#322a26}
.cta .btn-light:hover{background:#f0ca7c}
footer{background:var(--night);color:#fff;padding:65px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:38px}
footer p{color:#c7c0c3;font-size:14px;line-height:1.8}
footer h3{font-size:15px;color:#fff;letter-spacing:.02em}
.footer-links{display:grid;gap:8px;color:#c7c0c3;font-size:14px}
.footer-links a:hover{color:var(--sun)}
footer .btn-light{color:#fff;border-color:#756d70;background:transparent}
.copyright{border-top:1px solid #45444b;margin-top:45px;padding-top:20px;display:flex;gap:18px;justify-content:space-between;flex-wrap:wrap;color:#aaa5a8;font-size:12px}
.copyright a{color:#d7c8bd}
@media(max-width:1100px){
 .nav{gap:12px}nav a{padding:8px 7px;font-size:13px}.nav-cta{padding:10px 13px}
 .service-intro,.detail-grid{gap:25px}.audience-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:850px){
 .menu-toggle{display:block;margin-left:auto}
 nav{display:none;position:absolute;top:82px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:15px 24px;flex-direction:column;align-items:stretch;box-shadow:var(--soft-shadow)}
 nav.open{display:flex}nav a{padding:13px 15px}.nav-cta{display:none}
 .service-intro,.workflow-grid,.detail-grid,.faq-layout{grid-template-columns:1fr}
 .service-image{min-height:300px}.detail-grid img{height:320px}
 .matrix-grid{grid-template-columns:1fr 1fr}.service-card.large{grid-row:auto;grid-column:span 2;min-height:360px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
 .container{width:min(100% - 32px,var(--container))}
 .nav{height:72px}.menu-toggle{font-size:14px}nav{top:72px}
 .page-banner{padding:50px 0 58px}h1{font-size:42px}.banner-copy{font-size:16px}
 section{padding:62px 0}.section-head,.cta-box{display:block}.section-head .section-intro{margin-top:15px}
 .matrix-grid,.steps,.audience-grid{grid-template-columns:1fr}
 .service-card.large{grid-column:auto;min-height:340px}.service-card{padding:23px}
 .lead-meta{gap:16px}.service-lead{padding:27px;min-height:370px}
 .footer-grid{grid-template-columns:1fr;gap:24px}.copyright{display:grid;gap:8px}
 .cta .btn-light{margin-top:24px}
}

/* roulang page: category3 */
:root{
 --ink:#272629;
 --muted:#706c72;
 --paper:#f7f3ed;
 --surface:#fffdf9;
 --line:#e7ded5;
 --brand:#b8664f;
 --brand-dark:#874837;
 --sage:#849b8d;
 --lav:#dcd5e6;
 --sun:#e4b85f;
 --night:#292a32;
 --success:#5e8b70;
 --warning:#b57945;
 --shadow:0 18px 45px rgba(53,39,32,.09);
 --soft-shadow:0 8px 22px rgba(53,39,32,.07);
 --radius:24px;
 --small-radius:14px;
 --container:1220px;
}
*{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 SC",Arial,sans-serif;font-size:16px;line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(247,243,237,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,222,213,.85)}
.nav{height:82px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
.logo-mark{width:35px;height:35px;border-radius:12px 12px 12px 4px;background:var(--brand);position:relative;transform:rotate(-8deg)}
.logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:3px solid var(--paper);border-radius:50%;right:7px;top:8px}
nav{display:flex;align-items:center;gap:5px;flex:1;justify-content:center}
nav a{padding:9px 11px;border-radius:10px;color:#625d61;font-size:14px;transition:.25s ease;white-space:nowrap}
nav a:hover{background:#eee5dd;color:var(--brand-dark)}
nav a.active{background:var(--brand);color:#fff}
.nav-cta,.btn-primary{background:var(--brand);color:#fff;border:0;border-radius:13px;padding:12px 19px;font-weight:700;transition:.25s ease;box-shadow:0 7px 16px rgba(184,102,79,.2)}
.nav-cta:hover,.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.nav-cta:focus,.btn-primary:focus,.btn-secondary:focus,.btn-light:focus,nav a:focus,.menu-toggle:focus,summary:focus{outline:3px solid rgba(228,184,95,.55);outline-offset:3px}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 12px;color:var(--brand-dark)}
.page-banner{position:relative;overflow:hidden;min-height:390px;display:flex;align-items:center;background:#eaded5 url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(247,243,237,.98),rgba(247,243,237,.85) 48%,rgba(247,243,237,.25))}
.banner-content{position:relative;padding:72px 0 66px;max-width:760px}
.crumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
.crumbs a:hover{color:var(--brand-dark)}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--brand-dark);font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--brand)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(42px,6vw,76px);line-height:1.1;letter-spacing:-.055em;margin:18px 0 23px;max-width:700px}
h2{font-size:clamp(29px,3vw,44px);line-height:1.25;letter-spacing:-.035em;margin:12px 0 17px}
h3{font-size:20px;line-height:1.4;margin:0 0 9px}
.banner-content>p{max-width:650px;color:#5c5759;font-size:18px;line-height:2}
.tag{display:inline-flex;align-items:center;width:max-content;border-radius:30px;padding:4px 11px;background:#ead3c9;color:var(--brand-dark);font-size:12px;font-weight:800}
section{padding:88px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:35px}
.section-intro{max-width:610px;color:var(--muted);margin:0}
.text-link{color:var(--brand-dark);font-weight:800;border-bottom:1px solid var(--brand);padding-bottom:2px}
.scene-index{background:var(--surface)}
.index-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:54px;align-items:start}
.index-note{font-size:18px;color:var(--muted);line-height:2}
.index-note strong{color:var(--brand-dark)}
.scene-tabs{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
.scene-tab{border:1px solid var(--line);border-radius:17px;padding:19px 20px;background:#fffaf5;transition:.25s;display:flex;gap:16px;align-items:flex-start}
.scene-tab:hover,.scene-tab:focus{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--soft-shadow);outline:none}
.scene-tab b{color:var(--brand);font-size:14px}
.scene-tab span{display:block;font-weight:800}
.scene-tab small{display:block;color:var(--muted);font-size:13px;line-height:1.6;margin-top:3px}
.scene-feature{padding:0 0 92px}
.feature-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:0;background:#e9ddd4;border-radius:var(--radius);overflow:hidden;box-shadow:var(--soft-shadow)}
.feature-wrap img{width:100%;height:100%;min-height:430px;object-fit:cover}
.feature-copy{padding:48px 52px}
.feature-copy p{color:#625b59;line-height:2}
.feature-copy p:last-of-type{margin-bottom:25px}
.check-list{list-style:none;padding:0;margin:25px 0 0}
.check-list li{position:relative;padding:12px 0 12px 31px;border-top:1px solid rgba(135,72,55,.16);color:#514a48}
.check-list li:before{content:"✓";position:absolute;left:0;top:11px;width:20px;height:20px;border-radius:50%;background:var(--brand);color:white;text-align:center;line-height:20px;font-size:12px;font-weight:bold}
.btn-secondary,.btn-light{display:inline-flex;align-items:center;border:1px solid #cdbeb3;background:rgba(255,253,249,.75);border-radius:13px;padding:11px 18px;font-weight:700;color:var(--brand-dark);transition:.25s}
.btn-secondary:hover,.btn-light:hover{border-color:var(--brand);background:#fff;transform:translateY(-2px)}
.steps-section{background:#efe6dc}
.steps{display:grid;grid-template-columns:1.1fr .9fr;gap:65px;align-items:start}
.step-list{border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:72px 1fr;gap:17px;padding:24px 0;border-bottom:1px solid var(--line)}
.step-num{font-size:32px;color:var(--brand);font-weight:800;line-height:1}
.step p{color:var(--muted);margin:0;font-size:14px}
.step-image{position:sticky;top:120px}
.step-image img{width:100%;height:390px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.step-image figcaption{font-size:13px;color:var(--muted);margin-top:12px}
.compare-section{background:var(--night);color:#fff}
.compare-section .section-kicker{color:#e5cda1}
.compare-section .section-kicker:before{background:var(--sun)}
.compare-section .section-intro{color:#c7c0c3}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}
.compare-card{border-radius:20px;padding:31px;background:#363740;border:1px solid #4c4c53}
.compare-card.highlight{background:#b8664f;border-color:#d38a73}
.compare-label{font-size:13px;font-weight:800;letter-spacing:.08em;color:#d0c5c4;margin-bottom:22px}
.highlight .compare-label{color:#f7ded4}
.compare-card ul{list-style:none;padding:0;margin:0}
.compare-card li{padding:13px 0;border-top:1px solid rgba(255,255,255,.14);color:#e7e1e1}
.brand-reading{max-width:850px;margin:42px auto 0;color:#d4ced0;font-size:16px;line-height:2}
.attention{padding:88px 0}
.attention-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px}
.attention-copy{color:var(--muted);line-height:2}
.attention-points{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.point{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:23px;transition:.25s}
.point:hover{transform:translateY(-4px);box-shadow:var(--soft-shadow);border-color:#ca9a8a}
.point strong{display:block;color:var(--brand-dark);margin-bottom:7px}
.point p{font-size:14px;color:var(--muted);margin:0}
.faq{background:var(--surface)}
.faq-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:55px}
.faq-aside{padding-top:10px}
.faq-aside 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:20px 42px 20px 0;font-weight:800;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:8px;top:16px;color:var(--brand);font-size:25px;font-weight:400}
details[open] summary:after{content:"−"}
details p{color:var(--muted);font-size:14px;line-height:1.9;padding:0 35px 21px 0;margin:0}
.cta{padding:82px 0;background:#d8d3df}
.cta-layout{display:grid;grid-template-columns:1fr .9fr;gap:55px;align-items:center}
.cta-copy p{color:#5e5963;max-width:570px}
.cta-actions{display:flex;gap:13px;flex-wrap:wrap}
footer{background:var(--night);color:#f3eeeb;padding:62px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:35px}
footer .logo{color:#fff}
footer .logo-mark{background:var(--brand)}
footer p{color:#bcb6b8;font-size:14px;line-height:1.8}
footer h3{font-size:15px;color:#fff;margin-bottom:14px}
.footer-links{display:grid;gap:8px}
.footer-links a{color:#bcb6b8;font-size:14px;transition:.2s}
.footer-links a:hover{color:#fff}
.copyright{display:flex;gap:22px;flex-wrap:wrap;border-top:1px solid #44444b;margin-top:42px;padding-top:20px;color:#aaa4a8;font-size:12px}
.copyright a:hover{color:#fff}
@media(max-width:1200px){
 nav{gap:0}
 nav a{padding-left:8px;padding-right:8px;font-size:13px}
 .nav{gap:16px}
}
@media(max-width:992px){
 .index-layout,.steps,.attention-grid,.cta-layout{grid-template-columns:1fr;gap:32px}
 .step-image{position:static;max-width:620px}
 .feature-wrap{grid-template-columns:1fr}
 .feature-wrap img{height:300px;min-height:0}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .nav{height:72px}
 .menu-toggle{display:block;margin-left:auto}
 nav{display:none;position:absolute;top:72px;left:16px;right:16px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 nav.open{display:flex}
 nav a{padding:13px 15px}
 .nav>.nav-cta{display:none}
 .hero,.page-banner{min-height:0}
 .banner-content{padding:56px 0}
 section{padding:65px 0}
 .section-head{display:block;margin-bottom:25px}
 .section-head .text-link{display:inline-block;margin-top:17px}
 .scene-tabs,.attention-points,.compare-grid{grid-template-columns:1fr}
 .feature-copy{padding:32px 26px}
 .cta-actions a{width:100%;justify-content:center}
}
@media(max-width:520px){
 body{font-size:15px}
 h1{font-size:43px}
 h2{font-size:31px}
 .banner-content>p{font-size:16px}
 .crumbs{margin-bottom:17px}
 .step{grid-template-columns:52px 1fr}
 .step-num{font-size:26px}
 .footer-grid{grid-template-columns:1fr}
 .copyright{display:block}
 .copyright span{display:block;margin-bottom:8px}
}

/* roulang page: category1 */
:root{
 --ink:#272629;
 --muted:#706c72;
 --paper:#f7f3ed;
 --surface:#fffdf9;
 --line:#e7ded5;
 --brand:#b8664f;
 --brand-dark:#874837;
 --sage:#849b8d;
 --lav:#dcd5e6;
 --sun:#e4b85f;
 --night:#292a32;
 --success:#5e8b70;
 --warning:#b87942;
 --shadow:0 18px 45px rgba(53,39,32,.09);
 --soft-shadow:0 8px 22px rgba(53,39,32,.07);
 --radius:24px;
 --small-radius:14px;
 --container:1220px;
}
*{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 SC",Arial,sans-serif;font-size:16px;line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.25;letter-spacing:-.025em}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(247,243,237,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,222,213,.8)}
.nav{height:82px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
.logo-mark{width:35px;height:35px;border-radius:12px 12px 12px 4px;background:var(--brand);position:relative;transform:rotate(-8deg)}
.logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:3px solid var(--paper);border-radius:50%;right:7px;top:8px}
nav{display:flex;align-items:center;gap:5px;flex:1;justify-content:center}
nav a{padding:9px 11px;border-radius:10px;color:#625d61;font-size:14px;transition:.25s ease;white-space:nowrap}
nav a:hover{background:#eee5dd;color:var(--brand-dark)}
nav a.active{background:var(--brand);color:#fff}
.nav-cta,.btn-primary{background:var(--brand);color:#fff;border:0;border-radius:13px;padding:12px 19px;font-weight:700;transition:.25s ease;box-shadow:0 7px 16px rgba(184,102,79,.2)}
.nav-cta:hover,.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 12px;color:var(--brand-dark)}
.btn-secondary,.btn-light{display:inline-block;border:1px solid #cdbeb3;background:rgba(255,253,249,.75);border-radius:13px;padding:11px 18px;font-weight:700;color:var(--brand-dark);transition:.25s}
.btn-secondary:hover,.btn-light:hover{border-color:var(--brand);background:#fff;transform:translateY(-2px)}
.btn-primary:focus,.btn-secondary:focus,.nav-cta:focus,.btn-light:focus,nav a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(228,184,95,.55);outline-offset:3px}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--brand-dark);font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--brand)}
.page-hero{position:relative;overflow:hidden;padding:74px 0 70px;background:#eaded3 url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.page-hero:before{content:"";position:absolute;inset:0;background:rgba(247,243,237,.84)}
.page-hero .container{position:relative}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:30px}
.breadcrumb a:hover{color:var(--brand-dark)}
.hero-layout{display:grid;grid-template-columns:5fr 7fr;gap:55px;align-items:center}
.page-hero h1{font-size:clamp(42px,5vw,68px);margin:15px 0 20px;max-width:550px}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:18px;color:#5f5958;max-width:535px;line-height:2}
.hero-actions{display:flex;gap:13px;align-items:center;margin-top:30px;flex-wrap:wrap}
.hero-visual{position:relative;padding:0 10px 20px 25px}
.hero-visual img{height:390px;width:100%;object-fit:cover;border-radius:34px 10px 34px 10px;box-shadow:var(--shadow);transform:rotate(2deg)}
.hero-note{position:absolute;bottom:0;left:0;background:var(--night);color:#fff;border-radius:16px;padding:16px 20px;box-shadow:var(--soft-shadow)}
.hero-note strong{display:block;font-size:24px;color:#f4cf87;line-height:1.2}
section{padding:88px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:35px}
.section-head h2{font-size:clamp(28px,3.2vw,44px);margin:10px 0 0}
.section-intro{max-width:590px;color:var(--muted);margin:0}
.text-link{color:var(--brand-dark);font-weight:800;border-bottom:1px solid var(--brand);padding-bottom:2px}
.story-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:start}
.story-image{position:relative}
.story-image img{width:100%;height:485px;object-fit:cover;border-radius:28px 28px 10px 28px}
.image-caption{position:absolute;right:-18px;bottom:24px;background:var(--surface);border:1px solid var(--line);padding:17px 20px;border-radius:16px;max-width:225px;font-size:13px;color:var(--muted);box-shadow:var(--soft-shadow)}
.story-copy h2{font-size:38px;margin:11px 0 22px}
.story-copy p{color:var(--muted);font-size:16px;line-height:2}
.story-copy p + p{margin-top:17px}
.topic-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:34px}
.topic-cell{padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--small-radius)}
.topic-cell b{display:block;color:var(--brand-dark);font-size:23px;margin-bottom:3px}
.topic-cell span{font-size:13px;color:var(--muted)}
.timeline-section{background:#efe6dc}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #cdbeb3}
.timeline-item{position:relative;padding:28px 25px 18px 0;border-right:1px solid #d6c8be;margin-right:22px}
.timeline-item:last-child{border-right:0}
.timeline-item:before{content:"";position:absolute;top:-7px;left:0;width:13px;height:13px;border-radius:50%;background:var(--brand);border:3px solid #efe6dc}
.timeline-number{font-size:13px;color:var(--brand-dark);font-weight:800;letter-spacing:.1em}
.timeline h3{font-size:21px;margin:13px 0 8px}
.timeline p{font-size:14px;color:var(--muted);margin:0}
.info-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.info-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--soft-shadow)}
.info-panel.tinted{background:#d9e2da}
.info-panel h3{font-size:25px;margin:0 0 13px}
.info-panel p{color:var(--muted);margin-bottom:0}
.boundary-list{margin:23px 0 0;padding:0;list-style:none}
.boundary-list li{display:flex;gap:12px;padding:13px 0;border-top:1px solid var(--line);color:#514c4d}
.boundary-list li:before{content:"✓";color:var(--success);font-weight:900}
.update-card{display:flex;flex-direction:column;justify-content:space-between;min-height:250px;background:var(--night);color:#fff;border-radius:var(--radius);padding:31px}
.update-card p{color:#cec7c8;font-size:14px}
.update-card .date{font-size:35px;color:var(--sun);font-weight:800;line-height:1.2}
.theme-nav{background:var(--night);color:#fff}
.theme-nav .section-kicker{color:#f3d38f}
.theme-nav .section-kicker:before{background:var(--sun)}
.theme-links{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:15px}
.theme-link{min-height:154px;border:1px solid rgba(255,255,255,.15);border-radius:20px;padding:25px;transition:.25s}
.theme-link:hover{background:rgba(255,255,255,.08);transform:translateY(-4px);border-color:var(--sun)}
.theme-link span{color:var(--sun);font-size:13px;font-weight:800}
.theme-link h3{margin:11px 0 8px;font-size:22px}
.theme-link p{color:#cec7c8;font-size:14px;margin:0}
.faq{background:var(--surface)}
.faq-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:55px}
.faq-aside p{color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:transparent;padding:20px 0;color:var(--ink);font-weight:800}
.faq-question span:last-child{font-size:24px;color:var(--brand);transition:.25s}
.faq-answer{display:none;color:var(--muted);font-size:15px;padding:0 35px 20px 0}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta-band{padding:64px 0;background:#c7d3ca}
.cta-layout{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta-layout h2{font-size:36px;margin:10px 0 12px}
.cta-layout p{color:#56655c;max-width:630px;margin:0}
.cta-actions{display:flex;gap:12px;flex-shrink:0}
footer{background:var(--night);color:#fff;padding:60px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:38px}
footer .logo{color:#fff}
footer p{color:#c7c0c3;font-size:14px}
footer h3{font-size:15px;margin:3px 0 15px}
.footer-links{display:grid;gap:8px}
.footer-links a{color:#c7c0c3;font-size:14px;transition:.2s}
.footer-links a:hover{color:var(--sun)}
footer .btn-light{background:transparent;color:#f4d18d;border-color:#927d61}
.copyright{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.13);margin-top:42px;padding-top:18px;color:#aaa2a5;font-size:12px}
.copyright a{color:#d9b879}
@media(max-width:1100px){
 nav a{padding:8px 7px;font-size:13px}
 .nav{gap:15px}
 .hero-layout{gap:32px}
}
@media(max-width:900px){
 .menu-toggle{display:block;margin-left:auto}
 .nav-cta{display:none}
 nav{display:none;position:absolute;left:24px;right:24px;top:74px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 nav.open{display:flex}
 nav a{padding:12px 15px}
 .hero-layout,.story-grid,.info-grid,.faq-layout{grid-template-columns:1fr}
 .hero-visual{max-width:650px;margin:auto;width:100%}
 .story-image{max-width:600px}
 .timeline{grid-template-columns:repeat(2,1fr);gap:22px}
 .timeline-item{border-right:0;margin:0}
 .theme-links{grid-template-columns:1fr 1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .nav{height:72px}
 .page-hero{padding:44px 0 50px}
 .page-hero h1{font-size:42px}
 .hero-lead{font-size:16px}
 section{padding:62px 0}
 .section-head{display:block;margin-bottom:25px}
 .section-intro{margin-top:14px}
 .hero-visual img{height:290px}
 .hero-note{left:0;padding:12px 15px}
 .hero-note strong{font-size:20px}
 .story-image img{height:350px}
 .image-caption{right:8px;bottom:14px}
 .topic-strip,.timeline,.theme-links{grid-template-columns:1fr}
 .info-panel{padding:24px}
 .cta-layout{display:block}
 .cta-actions{margin-top:24px;flex-wrap:wrap}
 .footer-grid{grid-template-columns:1fr;gap:25px}
 .copyright{display:grid}
}

/* roulang page: category5 */
:root{
      --ink:#272629;
      --muted:#706c72;
      --paper:#f7f3ed;
      --surface:#fffdf9;
      --line:#e7ded5;
      --brand:#b8664f;
      --brand-dark:#874837;
      --sage:#849b8d;
      --lav:#dcd5e6;
      --sun:#e4b85f;
      --night:#292a32;
      --success:#5e8b70;
      --shadow:0 18px 45px rgba(53,39,32,.09);
      --soft-shadow:0 8px 22px rgba(53,39,32,.07);
      --radius:24px;
      --small-radius:14px;
      --container:1220px;
    }
    *{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 SC",Arial,sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    header{position:sticky;top:0;z-index:20;background:rgba(247,243,237,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,222,213,.8)}
    .nav{height:82px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
    .logo-mark{width:35px;height:35px;border-radius:12px 12px 12px 4px;background:var(--brand);position:relative;transform:rotate(-8deg)}
    .logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:3px solid var(--paper);border-radius:50%;right:7px;top:8px}
    nav{display:flex;align-items:center;gap:5px;flex:1;justify-content:center}
    nav a{padding:9px 11px;border-radius:10px;color:#625d61;font-size:14px;transition:.25s ease;white-space:nowrap}
    nav a:hover{background:#eee5dd;color:var(--brand-dark)}
    nav a.active{background:var(--brand);color:#fff}
    .nav-cta,.btn-primary{background:var(--brand);color:#fff;border:0;border-radius:13px;padding:12px 19px;font-weight:700;transition:.25s ease;box-shadow:0 7px 16px rgba(184,102,79,.2)}
    .nav-cta:hover,.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
    .nav-cta:focus,.btn-primary:focus,.btn-secondary:focus,.btn-light:focus,.menu-toggle:focus,a:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(228,184,95,.55);outline-offset:3px}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 12px;color:var(--brand-dark)}
    .page-banner{position:relative;overflow:hidden;padding:76px 0 82px;background:#eaded4 url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .page-banner:before{content:"";position:absolute;inset:0;background:rgba(247,243,237,.83)}
    .banner-content{position:relative;max-width:780px}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
    .breadcrumb a:hover{color:var(--brand-dark)}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--brand-dark);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--brand)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,66px);line-height:1.17;letter-spacing:-.045em;margin:16px 0 20px}
    h2{font-size:clamp(27px,3vw,42px);line-height:1.3;letter-spacing:-.035em;margin:12px 0 14px}
    h3{line-height:1.4}
    .banner-content>p{max-width:690px;color:#625b5a;font-size:18px;margin-bottom:0}
    section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-intro{max-width:600px;color:var(--muted);margin:0}
    .filter-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px;padding:13px 16px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--soft-shadow)}
    .filter-tabs{display:flex;flex-wrap:wrap;gap:7px}
    .filter-tabs button{border:1px solid transparent;background:transparent;color:var(--muted);border-radius:10px;padding:8px 14px;font-size:14px;transition:.2s}
    .filter-tabs button:hover,.filter-tabs button.active{background:#ead3c9;color:var(--brand-dark);border-color:#d5aa9a}
    .update-note{font-size:13px;color:var(--muted);white-space:nowrap}
    .featured{display:grid;grid-template-columns:1.03fr .97fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--soft-shadow)}
    .featured-media{min-height:365px;position:relative}
    .featured-media img{width:100%;height:100%;object-fit:cover}
    .image-label{position:absolute;left:22px;top:22px;background:rgba(255,253,249,.9);color:var(--brand-dark);padding:6px 12px;border-radius:30px;font-size:12px;font-weight:800}
    .featured-body{padding:43px 44px;display:flex;flex-direction:column;justify-content:center}
    .tag{display:inline-flex;align-items:center;width:max-content;border-radius:30px;padding:4px 11px;background:#ead3c9;color:var(--brand-dark);font-size:12px;font-weight:800}
    .featured-body h2{font-size:32px;margin-top:18px}
    .featured-body p{color:var(--muted);font-size:16px}
    .meta{display:flex;align-items:center;gap:15px;color:var(--muted);font-size:13px;margin:8px 0 20px}
    .btn-secondary,.btn-light{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cdbeb3;background:rgba(255,253,249,.75);border-radius:13px;padding:11px 18px;font-weight:700;color:var(--brand-dark);transition:.25s}
    .btn-secondary:hover,.btn-light:hover{border-color:var(--brand);background:#fff;transform:translateY(-2px)}
    .news-area{background:#efe6dc}
    .news-layout{display:grid;grid-template-columns:1fr 280px;gap:45px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:92px 1fr auto;gap:20px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line);transition:.2s}
    .news-item:hover{padding-left:9px}
    .news-date{font-size:14px;color:var(--brand-dark);font-weight:800;line-height:1.4}
    .news-date small{display:block;color:var(--muted);font-weight:400;margin-top:5px}
    .news-item h3{font-size:19px;margin:0 0 5px}
    .news-item p{color:var(--muted);font-size:14px;line-height:1.65;margin:0}
    .arrow{color:var(--brand);font-size:24px;transition:.2s}
    .news-item:hover .arrow{transform:translateX(4px)}
    .news-aside{background:var(--night);color:#fff;border-radius:var(--radius);padding:28px;align-self:start;position:sticky;top:110px}
    .news-aside h3{font-size:21px;margin:0 0 18px}
    .news-aside p{color:#c9c4c5;font-size:14px}
    .topic-list{list-style:none;padding:0;margin:22px 0 0}
    .topic-list li{border-top:1px solid rgba(255,255,255,.16);padding:13px 0;color:#eee8e5}
    .topic-list a{display:flex;justify-content:space-between;gap:12px}
    .topic-list a:hover{color:#f0ca7c}
    .digest{padding-top:72px}
    .digest-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .digest-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--soft-shadow)}
    .digest-card.highlight{background:#c5d1c8;display:flex;flex-direction:column;justify-content:space-between;min-height:280px}
    .digest-card h3{font-size:24px;margin:12px 0 12px}
    .digest-card p{color:var(--muted);font-size:15px}
    .digest-card.highlight p{color:#46564f}
    .number-list{counter-reset:item;list-style:none;padding:0;margin:10px 0 0}
    .number-list li{counter-increment:item;display:grid;grid-template-columns:35px 1fr;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
    .number-list li:before{content:counter(item,decimal-leading-zero);color:var(--brand);font-weight:900}
    .pagination{display:flex;justify-content:center;gap:8px;margin-top:38px}
    .pagination a{width:39px;height:39px;border:1px solid var(--line);background:var(--surface);border-radius:10px;display:grid;place-items:center;color:var(--muted);transition:.2s}
    .pagination a:hover,.pagination a.active{background:var(--brand);border-color:var(--brand);color:#fff}
    .subscribe{background:var(--lav)}
    .subscribe-box{display:grid;grid-template-columns:1fr .9fr;gap:50px;align-items:center}
    .subscribe-box p{color:#625b67;max-width:590px}
    .subscribe-form{display:flex;gap:10px}
    .subscribe-form input{background:#fffdf9;border:1px solid #cfc4d4;border-radius:12px;min-width:0}
    .subscribe-form button{border:0;background:var(--brand);color:#fff;padding:12px 18px;border-radius:12px;font-weight:800;transition:.2s}
    .subscribe-form button:hover{background:var(--brand-dark)}
    .form-message{font-size:13px;color:var(--success);margin:9px 0 0}
    footer{background:var(--night);color:#f8f3ed;padding:65px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:42px}
    footer .logo{color:#fff}
    footer .logo-mark{background:var(--brand)}
    footer p{color:#c7c0c3;font-size:14px;line-height:1.8}
    footer h3{font-size:15px;margin:4px 0 16px;color:#fff}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#c7c0c3;font-size:14px}
    .footer-links a:hover{color:#f0ca7c}
    .copyright{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.15);margin-top:42px;padding-top:20px;color:#aaa3a6;font-size:12px}
    .copyright a{color:#ddd4d0}
    @media(max-width:1100px){
      .nav{gap:14px}
      nav a{padding:8px 7px;font-size:13px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:860px){
      .nav{height:72px}
      .menu-toggle{display:block;margin-left:auto}
      nav{display:none;position:absolute;left:24px;right:24px;top:82px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      nav.open{display:flex}
      nav a{padding:12px 14px}
      .nav-cta{display:none}
      .nav-cta.mobile-visible{display:block;position:absolute;right:78px;padding:9px 12px;font-size:13px}
      .featured,.news-layout,.subscribe-box,.digest-grid{grid-template-columns:1fr}
      .news-aside{position:static}
      .featured-media{min-height:280px}
    }
    @media(max-width:576px){
      .container{width:min(var(--container),calc(100% - 32px))}
      section{padding:62px 0}
      .page-banner{padding:54px 0 60px}
      h1{font-size:42px}
      .banner-content>p{font-size:16px}
      .filter-bar{align-items:flex-start;flex-direction:column}
      .update-note{white-space:normal}
      .featured-body{padding:28px 24px}
      .featured-body h2{font-size:27px}
      .news-item{grid-template-columns:68px 1fr 18px;gap:11px}
      .news-item h3{font-size:16px}
      .news-item p{font-size:13px}
      .subscribe-form{flex-direction:column}
      .subscribe-form button{width:100%}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:8px}
    }

/* roulang page: category6 */
:root{
 --ink:#272629;--muted:#706c72;--paper:#f7f3ed;--surface:#fffdf9;--line:#e7ded5;
 --brand:#b8664f;--brand-dark:#874837;--sage:#849b8d;--lav:#dcd5e6;--sun:#e4b85f;
 --night:#292a32;--success:#5e8b70;--danger:#a74d46;--shadow:0 18px 45px rgba(53,39,32,.09);
 --soft-shadow:0 8px 22px rgba(53,39,32,.07);--radius:24px;--small-radius:14px;--container:1220px
}
*{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 SC",Arial,sans-serif;font-size:16px;line-height:1.8}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.28;letter-spacing:-.025em}
h1{font-size:clamp(38px,5vw,68px);margin-bottom:22px}
h2{font-size:clamp(28px,3.2vw,44px);margin-bottom:14px}
h3{font-size:20px;margin-bottom:9px}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(247,243,237,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,222,213,.8)}
.nav{height:82px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
.logo-mark{width:35px;height:35px;border-radius:12px 12px 12px 4px;background:var(--brand);position:relative;transform:rotate(-8deg)}
.logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:3px solid var(--paper);border-radius:50%;right:7px;top:8px}
nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
nav a{padding:9px 10px;border-radius:10px;color:#625d61;font-size:14px;transition:.25s ease;white-space:nowrap}
nav a:hover{background:#eee5dd;color:var(--brand-dark)}
nav a.active{background:var(--brand);color:#fff}
.nav-cta,.btn-primary{background:var(--brand);color:#fff;border:0;border-radius:13px;padding:12px 19px;font-weight:700;transition:.25s ease;box-shadow:0 7px 16px rgba(184,102,79,.2)}
.nav-cta:hover,.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.nav-cta:focus,.btn-primary:focus,.btn-secondary:focus,.btn-light:focus,nav a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(228,184,95,.65);outline-offset:3px}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 12px;color:var(--brand-dark)}
.page-banner{position:relative;overflow:hidden;padding:74px 0 78px;background:#eadfd7 url('/assets/images/backpic/back-3.webp') center/cover no-repeat}
.page-banner:before{content:"";position:absolute;inset:0;background:rgba(247,243,237,.84)}
.banner-inner{position:relative}
.breadcrumb{font-size:13px;color:var(--brand-dark);margin-bottom:27px}
.breadcrumb a{border-bottom:1px solid rgba(135,72,55,.4)}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--brand-dark);font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--brand)}
.banner-copy{max-width:730px;color:#5c5759;font-size:18px;line-height:2}
.banner-note{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.tag,.status{display:inline-flex;align-items:center;width:max-content;border-radius:30px;padding:4px 11px;background:#ead3c9;color:var(--brand-dark);font-size:12px;font-weight:800}
.status{background:#dce8df;color:#466d56}
section{padding:84px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
.section-intro{max-width:620px;color:var(--muted);margin:0}
.text-link{color:var(--brand-dark);font-weight:800;border-bottom:1px solid var(--brand);padding-bottom:2px}
.help-intro{display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.help-intro img{width:100%;height:410px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.lead-copy{font-size:17px;color:#5f595a;line-height:2}
.topic-index{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:28px}
.topic-index a{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:17px 14px;transition:.25s}
.topic-index a:hover,.topic-index a:focus{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--soft-shadow)}
.topic-index b{display:block;color:var(--brand);font-size:13px;margin-bottom:4px}
.topic-index span{font-weight:700;font-size:15px}
.faq-section{background:var(--surface)}
.faq-layout{display:grid;grid-template-columns:.68fr 1.32fr;gap:58px}
.faq-aside{padding-top:8px}
.faq-aside p{color:var(--muted)}
.faq-badge{display:inline-flex;padding:8px 12px;border-radius:12px;background:var(--lav);color:#5e536d;font-size:13px;font-weight:700;margin-top:14px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;border:0;background:transparent;text-align:left;padding:20px 42px 20px 0;position:relative;color:var(--ink);font-weight:800;font-size:17px}
.faq-question:after{content:"＋";position:absolute;right:7px;top:17px;color:var(--brand);font-size:25px;font-weight:400;transition:.25s}
.faq-question[aria-expanded=true]:after{content:"−";transform:rotate(180deg)}
.faq-answer{display:none;color:var(--muted);padding:0 35px 21px 0;max-width:700px}
.faq-answer.open{display:block}
.guide-section{background:#efe6dc}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.guide-card{background:rgba(255,253,249,.82);border:1px solid var(--line);border-radius:var(--radius);padding:26px;min-height:220px;transition:.25s}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--soft-shadow);border-color:#ca9a8a}
.guide-num{color:var(--brand);font-size:14px;font-weight:900;letter-spacing:.1em}
.guide-card p{color:var(--muted);font-size:14px}
.guide-card a{display:inline-block;margin-top:10px;color:var(--brand-dark);font-weight:800;font-size:14px}
.contact-section{padding-top:88px}
.contact-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:0;background:var(--night);border-radius:var(--radius);overflow:hidden;color:#fff;box-shadow:var(--shadow)}
.contact-copy{padding:48px 42px;background:#34343d}
.contact-copy .section-kicker{color:#f0d28e}
.contact-copy .section-kicker:before{background:var(--sun)}
.contact-copy p{color:#d4ced0}
.contact-list{padding:0;margin:27px 0 0;list-style:none}
.contact-list li{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.13);color:#e2dfe0;font-size:14px}
.contact-list strong{display:block;color:#fff;font-size:15px}
.form-wrap{padding:43px;background:#fffaf5;color:var(--ink)}
form{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.field label{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
.field-full{grid-column:1/-1}
input,select,textarea{width:100%;background:#fff8f4;border:1px solid var(--line);border-radius:10px;padding:12px 13px;color:var(--ink);transition:.2s}
textarea{min-height:112px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--sun);outline:3px solid rgba(228,184,95,.22)}
.checkline{grid-column:1/-1;display:flex;gap:9px;align-items:flex-start;color:var(--muted);font-size:13px;line-height:1.6}
.checkline input{width:17px;margin-top:4px;accent-color:var(--brand)}
.form-submit{grid-column:1/-1;display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-top:5px}
.form-submit button{background:var(--sun);color:#322a26;border:0;border-radius:11px;padding:12px 25px;font-weight:900;transition:.25s}
.form-submit button:hover{background:#f0ca7c;transform:translateY(-2px)}
.form-submit button:disabled{opacity:.55;cursor:not-allowed;transform:none}
.form-message{font-size:13px;color:var(--success);min-height:25px}
.more-links{display:flex;gap:13px;flex-wrap:wrap;margin-top:25px}
.btn-secondary,.btn-light{border:1px solid #cdbeb3;background:rgba(255,253,249,.75);border-radius:13px;padding:11px 18px;font-weight:700;color:var(--brand-dark);transition:.25s}
.btn-secondary:hover,.btn-light:hover{border-color:var(--brand);background:#fff;transform:translateY(-2px)}
footer{background:#292a32;color:#e8e1df;padding:58px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:35px}
footer .logo{color:#fff}
footer .logo-mark{background:var(--brand)}
footer p{color:#bdb6b8;font-size:14px;line-height:1.8}
footer h3{font-size:15px;color:#fff;margin-bottom:14px}
.footer-links{display:grid;gap:7px}
.footer-links a{color:#c6bec0;font-size:14px;transition:.2s}
.footer-links a:hover{color:#f0c77f}
footer .btn-light{background:transparent;border-color:#84787a;color:#f5e5d9}
.copyright{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.13);margin-top:42px;padding-top:20px;color:#aaa1a3;font-size:12px}
.copyright a:hover{color:#f0c77f}
@media(max-width:1100px){nav a{padding-left:7px;padding-right:7px;font-size:13px}.nav{gap:12px}.topic-index{grid-template-columns:repeat(3,1fr)}}
@media(max-width:900px){.help-intro,.faq-layout,.contact-panel{grid-template-columns:1fr}.help-intro img{height:320px}.contact-copy{padding:35px}.footer-grid{grid-template-columns:1fr 1fr}.guide-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}.nav{height:70px}.menu-toggle{display:block;margin-left:auto}
 nav{display:none;position:fixed;top:70px;left:16px;right:16px;padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 nav.open{display:flex}nav a{padding:12px 14px}.nav-cta{display:none}
 .page-banner{padding:55px 0 62px}.banner-copy{font-size:16px}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:13px}
 section{padding:64px 0}.topic-index{grid-template-columns:1fr 1fr}.guide-grid{grid-template-columns:1fr}
 .contact-copy,.form-wrap{padding:30px 22px}form{grid-template-columns:1fr}.field-full,.checkline,.form-submit{grid-column:auto}
 .copyright{display:grid;gap:8px;margin-top:30px}
}
@media(max-width:520px){h1{font-size:39px}.topic-index{grid-template-columns:1fr}.help-intro img{height:245px}.logo{font-size:20px}.logo-mark{width:31px;height:31px}}

/* roulang page: category4 */
:root{
 --ink:#272629;--muted:#706c72;--paper:#f7f3ed;--surface:#fffdf9;
 --line:#e7ded5;--brand:#b8664f;--brand-dark:#874837;--sage:#849b8d;
 --lav:#dcd5e6;--sun:#e4b85f;--night:#292a32;--success:#5e8b70;
 --shadow:0 18px 45px rgba(53,39,32,.09);--soft-shadow:0 8px 22px rgba(53,39,32,.07);
 --radius:24px;--small-radius:14px;--container:1220px
}
*{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 SC",Arial,sans-serif;font-size:16px;line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(247,243,237,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,222,213,.9)}
.nav{height:82px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
.logo-mark{width:35px;height:35px;border-radius:12px 12px 12px 4px;background:var(--brand);position:relative;transform:rotate(-8deg)}
.logo-mark:after{content:"";position:absolute;width:12px;height:12px;border:3px solid var(--paper);border-radius:50%;right:7px;top:8px}
nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
nav a{padding:9px 11px;border-radius:10px;color:#625d61;font-size:14px;transition:.25s ease;white-space:nowrap}
nav a:hover{background:#eee5dd;color:var(--brand-dark)}
nav a.active{background:var(--brand);color:#fff}
.nav-cta,.btn-primary{background:var(--brand);color:#fff;border:0;border-radius:13px;padding:12px 19px;font-weight:700;transition:.25s ease;box-shadow:0 7px 16px rgba(184,102,79,.2)}
.nav-cta:hover,.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.nav-cta:focus,.btn-primary:focus,.btn-secondary:focus,.btn-light:focus,nav a:focus{outline:3px solid rgba(228,184,95,.55);outline-offset:3px}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 12px;color:var(--brand-dark)}
.page-banner{position:relative;min-height:410px;display:flex;align-items:end;overflow:hidden;background:#dfd1c4 url('/assets/images/backpic/back-3.webp') center/cover no-repeat}
.page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(247,243,237,.98),rgba(247,243,237,.72) 55%,rgba(247,243,237,.2))}
.banner-content{position:relative;padding:72px 0 64px;max-width:720px}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--brand-dark);font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--brand)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:24px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,68px);line-height:1.16;letter-spacing:-.045em;margin:18px 0 20px}
h2{font-size:clamp(27px,3vw,42px);line-height:1.25;letter-spacing:-.03em;margin:12px 0 15px}
h3{font-size:20px;line-height:1.4;margin-bottom:9px}
.banner-content p{max-width:650px;color:#5c5759;font-size:18px;line-height:1.9}
section{padding:86px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
.section-intro{max-width:600px;color:var(--muted);margin:0}
.btn-secondary,.btn-light{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cdbeb3;background:rgba(255,253,249,.78);border-radius:13px;padding:11px 18px;font-weight:700;color:var(--brand-dark);transition:.25s}
.btn-secondary:hover,.btn-light:hover{border-color:var(--brand);background:#fff;transform:translateY(-2px)}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:28px}
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.intro-copy{font-size:17px;color:var(--muted);line-height:2}
.intro-copy p{margin-bottom:18px}
.image-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#d9c9bd}
.image-frame img{width:100%;height:390px;object-fit:cover}
.note-box{margin-top:22px;border-left:3px solid var(--brand);padding:14px 20px;background:#f0e4da;color:var(--brand-dark);font-size:14px}
.timeline{position:relative;margin-top:20px;padding-left:34px}
.timeline:before{content:"";position:absolute;left:8px;top:9px;bottom:10px;width:2px;background:#d8c4b8}
.timeline-item{position:relative;padding:0 0 35px 22px}
.timeline-item:before{content:"";position:absolute;left:-32px;top:9px;width:14px;height:14px;border-radius:50%;background:var(--sun);border:4px solid var(--paper);box-shadow:0 0 0 1px #d7b479}
.timeline-item time{color:var(--brand-dark);font-size:13px;font-weight:800}
.timeline-item p{color:var(--muted);margin-bottom:0}
.dark-section{background:var(--night);color:#fff;padding:92px 0}
.dark-section .section-intro{color:#c7c0c3}
.dark-section .section-kicker{color:#e5cda1}
.dark-section .section-kicker:before{background:var(--sun)}
.metrics{display:grid;grid-template-columns:1.1fr .9fr .9fr 1.1fr;gap:14px}
.metric{padding:25px 23px;border:1px solid rgba(255,255,255,.13);border-radius:18px;background:rgba(255,255,255,.06)}
.metric strong{display:block;font-size:40px;line-height:1.1;color:#f2c976;margin-bottom:8px}
.metric span{display:block;color:#d1cbd0;font-size:14px}
.metric small{display:block;color:#aaa2a7;margin-top:9px}
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:stretch}
.compare-panel{border-radius:var(--radius);padding:32px;background:#eee3da;border:1px solid var(--line)}
.compare-panel.good{background:#d5e0d8;border-color:#b9cabe}
.compare-panel h3{display:flex;align-items:center;gap:10px}
.status{display:inline-flex;border-radius:30px;padding:4px 11px;background:#dfc8bd;color:var(--brand-dark);font-size:12px;font-weight:800}
.good .status{background:#b8cfbd;color:#315a43}
.compare-list{list-style:none;padding:0;margin:23px 0 0}
.compare-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid rgba(91,74,64,.14);color:#615a5c}
.compare-list li:last-child{border-bottom:0}
.compare-list b{color:var(--brand-dark)}
.story{max-width:850px;margin:42px auto 0;color:var(--muted);font-size:17px;line-height:2}
.case-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px;margin-top:34px}
.case-feature{display:grid;grid-template-columns:.9fr 1.1fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--soft-shadow)}
.case-feature img{height:100%;min-height:300px;width:100%;object-fit:cover}
.case-body{padding:29px}
.case-body p{color:var(--muted);font-size:14px}
.case-tags{display:flex;gap:8px;flex-wrap:wrap;margin:17px 0}
.tag{display:inline-flex;border-radius:30px;padding:4px 11px;background:#ead3c9;color:var(--brand-dark);font-size:12px;font-weight:800}
.mini-cases{display:grid;gap:16px}
.mini-case{background:#f1e8df;border-radius:18px;padding:23px;border:1px solid var(--line)}
.mini-case p{color:var(--muted);font-size:14px;margin:0}
.nodes{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px}
.node{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px}
.node em{display:block;font-style:normal;color:var(--brand);font-weight:900;font-size:13px;margin-bottom:12px}
.node p{color:var(--muted);font-size:14px;margin:0}
.faq{background:var(--surface)}
.faq-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:55px}
.faq-aside p{color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:20px 0}
summary{cursor:pointer;list-style:none;font-weight:800;font-size:17px;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";color:var(--brand);font-size:21px;line-height:1}
details[open] summary:after{content:"−"}
details p{color:var(--muted);padding:13px 35px 0 0;margin:0;font-size:15px}
.cta{background:#efe1d5}
.cta-box{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;background:var(--brand-dark);border-radius:var(--radius);padding:42px 46px;color:#fff}
.cta-box p{color:#eadbd5;max-width:650px;margin:0}
.cta-box .btn-light{background:#f5d58f;border-color:#f5d58f;color:#44352b;white-space:nowrap}
.cta-box .btn-light:hover{background:#ffe3a9}
footer{background:var(--night);color:#e8e0dc;padding:65px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:35px}
footer .logo{color:#fff}
footer .logo-mark{background:var(--sun)}
footer p{color:#bcb4b7;font-size:14px;line-height:1.8}
footer h3{font-size:15px;color:#fff;margin:4px 0 15px}
.footer-links{display:grid;gap:7px}
.footer-links a{color:#bcb4b7;font-size:14px;transition:.2s}
.footer-links a:hover{color:#f2c976}
.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:45px;padding-top:19px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#a9a0a4;font-size:12px}
.copyright a:hover{color:#f2c976}
@media(max-width:1100px){
 nav{gap:0}.nav{gap:12px}nav a{padding:8px 7px;font-size:13px}
 .metrics{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
 .nav{height:72px}.menu-toggle{display:block;margin-left:auto}
 nav{display:none;position:absolute;left:24px;right:24px;top:80px;background:var(--surface);padding:12px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 nav.open{display:flex}nav a{padding:12px 14px}.nav-cta{display:none}
 .intro-grid,.compare-wrap,.case-grid,.faq-layout{grid-template-columns:1fr}
 .case-feature{grid-template-columns:1fr}.case-feature img{height:250px;min-height:0}
 .nodes{grid-template-columns:repeat(2,1fr)}
 .cta-box{grid-template-columns:1fr;padding:34px}
}
@media(max-width:560px){
 .container{width:min(var(--container),calc(100% - 32px))}
 section,.dark-section{padding:62px 0}
 .page-banner{min-height:370px}.banner-content{padding:60px 0 48px}
 h1{font-size:40px}.banner-content p{font-size:16px}
 .section-head{display:block}.section-intro{margin-top:12px}
 .metrics{grid-template-columns:1fr}.metric strong{font-size:34px}
 .image-frame img{height:275px}.nodes{grid-template-columns:1fr}
 .cta-box{padding:28px 23px}.cta-box .btn-light{width:100%}
 .footer-grid{grid-template-columns:1fr 1fr;gap:27px}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:1/-1}
 .copyright{display:block}.copyright span{display:block;margin-bottom:8px}
}