/* roulang page: index */
:root{
      --ink:#241c27;--muted:#756978;--paper:#fbf8f3;--soft:#f1e9ec;
      --berry:#762c57;--berry-dark:#4e1d3a;--coral:#e97961;--gold:#e5b66d;
      --line:#e5d9dd;--white:#fffdfb;--shadow:0 18px 45px rgba(73,35,56,.10);
      --radius:20px;--ease:all .28s ease;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    .container{max-width:1220px;padding-left:22px;padding-right:22px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,243,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
    .navbar{min-height:78px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;font-size:19px;color:var(--berry-dark);line-height:1.1}
    .brand-mark{width:29px;height:29px;border:2px solid var(--berry);border-radius:50%;position:relative}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;left:7px;right:7px;height:2px;background:var(--coral)}
    .brand-mark:before{top:9px}.brand-mark:after{top:15px}
    .nav-link{color:var(--muted)!important;font-size:14px;font-weight:600;padding:10px 15px!important;position:relative}
    .nav-link:after{content:"";position:absolute;left:15px;right:15px;bottom:1px;height:2px;background:var(--coral);transform:scaleX(0);transition:var(--ease)}
    .nav-link:hover,.nav-link.active{color:var(--berry)!important}
    .nav-link.active:after,.nav-link:hover:after{transform:scaleX(1)}
    .nav-cta,.btn-main{background:var(--berry);color:#fff!important;border:1px solid var(--berry);border-radius:12px;padding:12px 20px;font-weight:700;box-shadow:0 8px 20px rgba(118,44,87,.18)}
    .nav-cta:hover,.btn-main:hover{background:var(--berry-dark);border-color:var(--berry-dark);transform:translateY(-2px)}
    .navbar-toggler{border:1px solid var(--line);padding:8px 11px;border-radius:10px}
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(233,121,97,.2)}
    .hero{padding:90px 0 72px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(118,44,87,.10);border-radius:50%;right:-130px;top:15px}
    .hero:after{content:"";position:absolute;width:610px;height:1px;background:var(--gold);right:-120px;top:195px;transform:rotate(-17deg);opacity:.55}
    .eyebrow,.section-kicker{color:var(--coral);font-weight:800;font-size:12px;letter-spacing:.16em;text-transform:uppercase}
    h1,h2,h3{font-weight:800;letter-spacing:-.045em;line-height:1.18}
    h1{font-size:clamp(42px,6vw,76px);max-width:760px;margin:16px 0 24px}
    h1 em{font-style:normal;color:var(--berry)}
    .hero-copy{font-size:18px;color:var(--muted);max-width:680px;line-height:1.9}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:30px}
    .btn-quiet{border:1px solid var(--berry);color:var(--berry);border-radius:12px;padding:12px 20px;font-weight:700;background:transparent}
    .btn-quiet:hover{background:var(--soft);transform:translateY(-2px)}
    .trust-line{display:flex;gap:22px;flex-wrap:wrap;margin-top:40px;color:var(--muted);font-size:13px}
    .trust-line span:before{content:"•";color:var(--coral);font-size:20px;vertical-align:-2px;margin-right:7px}
    .dashboard{position:relative;z-index:1;background:var(--berry-dark);color:#fff;border-radius:26px;padding:26px;box-shadow:var(--shadow);margin-top:28px}
    .dashboard-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:18px;margin-bottom:22px}
    .signal{display:flex;gap:5px;align-items:end;height:28px}
    .signal i{display:block;width:5px;background:var(--coral);border-radius:5px}
    .signal i:nth-child(1){height:9px}.signal i:nth-child(2){height:18px}.signal i:nth-child(3){height:26px}.signal i:nth-child(4){height:14px}.signal i:nth-child(5){height:22px}
    .dash-label{font-size:12px;color:#e8cfdc;letter-spacing:.08em}
    .metric{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.13)}
    .metric:last-child{border-bottom:0}.metric strong{font-size:31px;display:block;color:#fff}
    .metric span{font-size:13px;color:#e8cfdc}.metric small{display:block;color:#c6a8b7;font-size:12px;margin-top:3px}
    section{padding:94px 0}.section-heading{max-width:690px;margin-bottom:40px}.section-heading h2{font-size:clamp(30px,4vw,47px);margin:10px 0 14px}.section-heading p{color:var(--muted);margin:0;font-size:16px}
    .matrix{display:grid;grid-template-columns:1.25fr .85fr;gap:18px}
    .matrix-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;position:relative;overflow:hidden;min-height:210px;transition:var(--ease)}
    .matrix-card:hover{border-color:var(--coral);box-shadow:var(--shadow);transform:translateY(-4px)}
    .matrix-card.feature{background:var(--berry);color:#fff;grid-row:span 2;min-height:438px}
    .matrix-card.feature p{color:#eddce5}.matrix-card p{color:var(--muted);max-width:440px}
    .card-number{font-size:12px;color:var(--coral);font-weight:800;letter-spacing:.1em}.feature .card-number{color:var(--gold)}
    .tag{display:inline-flex;background:var(--soft);color:var(--berry);padding:5px 10px;border-radius:8px;font-size:12px;font-weight:700;margin:7px 4px 0 0}
    .feature .tag{background:rgba(255,255,255,.14);color:#fff}
    .arrow{position:absolute;right:27px;bottom:24px;color:var(--coral);font-size:23px}.feature .arrow{color:var(--gold)}
    .directory{background:var(--soft)}
    .rail{display:flex;gap:12px;overflow:auto;padding-bottom:6px;margin-bottom:25px}
    .rail span{white-space:nowrap;padding:9px 15px;border:1px solid var(--line);border-radius:30px;background:var(--white);font-size:13px;color:var(--muted)}
    .rail span.active{background:var(--berry);color:#fff;border-color:var(--berry)}
    .feature-row{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}
    .feature-panel{background:var(--white);border-radius:var(--radius);padding:32px;border:1px solid var(--line)}
    .feature-panel h3{font-size:28px;margin:14px 0}.feature-panel p{color:var(--muted)}
    .mini-list{display:grid;gap:12px}.mini-item{padding:18px;background:var(--berry-dark);color:#fff;border-radius:15px}.mini-item b{display:block}.mini-item small{color:#dcbeca}
    .comparison{display:grid;grid-template-columns:1fr 1fr;gap:22px}.compare-box{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:var(--white)}.compare-box.dark{background:var(--ink);color:#fff;border-color:var(--ink)}
    .compare-line{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-bottom:1px solid var(--line);font-size:14px}.dark .compare-line{border-color:rgba(255,255,255,.15)}.compare-line:last-child{border:0}
    .status{color:var(--coral);font-weight:800;white-space:nowrap}.dark .status{color:var(--gold)}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{border-top:3px solid var(--coral);padding:22px 4px}.step b{font-size:13px;color:var(--coral)}.step h3{font-size:22px;margin:10px 0}.step p{color:var(--muted);font-size:14px}
    .insight{background:#eadfe4}.insight-inner{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}.quote{font-size:clamp(24px,3vw,38px);font-weight:800;line-height:1.4}.quote-mark{color:var(--coral);font-size:60px;line-height:.5}
    .faq-wrap{max-width:850px}.accordion-item{background:var(--white);border:1px solid var(--line)!important;margin-bottom:10px;border-radius:13px!important;overflow:hidden}.accordion-button{background:var(--white);color:var(--ink);font-weight:700;padding:20px 22px;box-shadow:none!important}.accordion-button:not(.collapsed){background:var(--soft);color:var(--berry)}.accordion-body{color:var(--muted);padding:0 22px 21px}
    .contact{background:var(--berry-dark);color:#fff;border-radius:28px;padding:46px}.contact p{color:#e5cdd9}.form-label{font-size:13px;color:#f0dce5;margin-bottom:7px}.form-control,.form-select{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:10px;padding:12px 14px}.form-control::placeholder{color:#c6aab7}.form-control:focus,.form-select:focus{background:rgba(255,255,255,.12);color:#fff;border-color:var(--gold);box-shadow:0 0 0 4px rgba(229,182,109,.18)}.form-select option{color:var(--ink)}.btn-gold{background:var(--gold);color:var(--ink);border:0;border-radius:11px;padding:13px 24px;font-weight:800}.btn-gold:hover{background:#f0c982;transform:translateY(-2px)}.privacy{font-size:12px;color:#c6aab7;margin-top:14px}
    footer{padding:44px 0 25px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:30px}.footer-title{font-weight:800;margin-bottom:13px}.footer-links{display:grid;gap:8px;color:var(--muted);font-size:14px}.footer-links a:hover{color:var(--coral)}.copyright{border-top:1px solid var(--line);margin-top:34px;padding-top:18px;color:var(--muted);font-size:12px}
    :focus-visible{outline:3px solid rgba(233,121,97,.55);outline-offset:3px}
    @media(max-width:991px){.matrix{grid-template-columns:1fr 1fr}.matrix-card.feature{grid-row:auto;grid-column:span 2;min-height:280px}.feature-row,.insight-inner{grid-template-columns:1fr}.hero{padding-top:65px}.dashboard{margin-top:40px}}
    @media(max-width:767px){.container{padding-left:18px;padding-right:18px}.navbar{min-height:70px}.brand{font-size:16px}.hero{padding:58px 0 42px}h1{font-size:42px}.hero-copy{font-size:16px}.dashboard{padding:21px;border-radius:20px}.metric strong{font-size:27px}section{padding:67px 0}.matrix,.comparison,.steps,.footer-grid{grid-template-columns:1fr}.matrix-card.feature{grid-column:auto;min-height:250px}.feature-panel{padding:24px}.contact{padding:28px 21px;border-radius:21px}.nav-cta{display:inline-block;margin-top:12px}.trust-line{gap:8px;display:grid}.insight-inner{gap:25px}}
    @media(max-width:420px){h1{font-size:36px}.hero-actions a{width:100%;text-align:center}.compare-line{font-size:13px;gap:10px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
      --ink:#241c27;--muted:#756978;--paper:#fbf8f3;--soft:#f1e9ec;
      --berry:#762c57;--berry-dark:#4e1d3a;--coral:#e97961;--gold:#e5b66d;
      --line:#e5d9dd;--white:#fffdfb;--shadow:0 18px 45px rgba(73,35,56,.10);
      --radius:20px;--ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img,svg{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    .container{max-width:1220px;padding-left:22px;padding-right:22px}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(251,248,243,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
    .navbar{min-height:78px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;font-size:19px;color:var(--berry-dark);line-height:1.1}
    .brand-mark{width:29px;height:29px;border:2px solid var(--berry);border-radius:50%;position:relative;flex:none}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;left:7px;right:7px;height:2px;background:var(--coral)}
    .brand-mark:before{top:9px}.brand-mark:after{top:15px}
    .nav-link{color:var(--muted)!important;font-size:14px;font-weight:600;padding:10px 15px!important;position:relative}
    .nav-link:after{content:"";position:absolute;left:15px;right:15px;bottom:1px;height:2px;background:var(--coral);transform:scaleX(0);transition:var(--ease)}
    .nav-link:hover,.nav-link.active{color:var(--berry)!important}
    .nav-link.active:after,.nav-link:hover:after{transform:scaleX(1)}
    .nav-cta,.btn-main{background:var(--berry);color:#fff!important;border:1px solid var(--berry);border-radius:12px;padding:12px 20px;font-weight:700;box-shadow:0 8px 20px rgba(118,44,87,.18)}
    .nav-cta:hover,.btn-main:hover{background:var(--berry-dark);border-color:var(--berry-dark);transform:translateY(-2px)}
    .navbar-toggler{border:1px solid var(--line);padding:8px 11px;border-radius:10px}
    .navbar-toggler:focus{box-shadow:0 0 0 4px rgba(233,121,97,.2)}
    .page-intro{padding:76px 0 52px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
    .page-intro:after{content:"";position:absolute;right:4%;bottom:28px;width:230px;height:42px;border-top:1px solid var(--gold);border-bottom:1px solid rgba(118,44,87,.2);transform:skewX(-28deg);opacity:.8}
    .eyebrow,.section-kicker{color:var(--coral);font-weight:800;font-size:12px;letter-spacing:.16em;text-transform:uppercase}
    h1{font-size:clamp(36px,5vw,62px);line-height:1.16;letter-spacing:-.055em;margin:13px 0 18px;max-width:820px}
    .intro-text{color:var(--muted);font-size:18px;max-width:710px;margin:0}
    .status-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
    .status{display:inline-flex;align-items:center;gap:8px;background:var(--white);border:1px solid var(--line);border-radius:10px;padding:9px 13px;font-size:13px;color:var(--muted)}
    .status i{width:7px;height:7px;border-radius:50%;background:var(--coral);display:inline-block}
    section{padding:84px 0}
    .section-heading{max-width:700px;margin-bottom:34px}
    .section-heading h2{font-size:clamp(29px,4vw,44px);line-height:1.25;letter-spacing:-.04em;margin:9px 0 12px}
    .section-heading p{color:var(--muted);margin:0}
    .topic-bar{display:flex;gap:10px;overflow-x:auto;padding:5px 0 16px;margin-bottom:38px;scrollbar-width:thin}
    .topic-pill{white-space:nowrap;border:1px solid var(--line);background:var(--white);color:var(--muted);padding:10px 17px;border-radius:11px;font-weight:700;font-size:14px}
    .topic-pill:hover,.topic-pill.active{background:var(--berry);border-color:var(--berry);color:#fff}
    .featured-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(260px,.75fr);gap:20px}
    .featured-main{background:var(--berry);color:#fff;border-radius:var(--radius);padding:38px;min-height:310px;position:relative;overflow:hidden}
    .featured-main:after{content:"01";position:absolute;right:24px;bottom:-20px;font-size:130px;font-weight:900;color:rgba(255,255,255,.08);line-height:1}
    .featured-main h3{font-size:31px;max-width:520px;margin:15px 0 13px;position:relative;z-index:1}
    .featured-main p{color:#eadce3;max-width:590px;position:relative;z-index:1}
    .tag{display:inline-flex;background:var(--soft);color:var(--berry);padding:5px 10px;border-radius:8px;font-size:12px;font-weight:700;margin:7px 4px 0 0}
    .featured-main .tag{background:rgba(255,255,255,.15);color:#fff}
    .text-link{display:inline-flex;align-items:center;gap:9px;color:var(--coral);font-weight:800;margin-top:25px;position:relative;z-index:1}
    .text-link:hover{gap:14px;color:var(--gold)}
    .side-stack{display:grid;gap:14px}
    .side-item{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px;transition:var(--ease)}
    .side-item:hover{border-color:var(--coral);box-shadow:var(--shadow);transform:translateX(4px)}
    .side-item b{display:block;font-size:19px;margin:8px 0 4px}
    .side-item p{color:var(--muted);font-size:14px;margin:0}
    .index-list{border-top:1px solid var(--line)}
    .index-item{display:grid;grid-template-columns:78px 1fr auto;gap:22px;align-items:center;padding:25px 8px;border-bottom:1px solid var(--line);transition:var(--ease)}
    .index-item:hover{background:var(--soft);padding-left:17px;padding-right:17px}
    .index-no{font-size:13px;font-weight:900;color:var(--coral);letter-spacing:.1em}
    .index-item h3{font-size:20px;margin:0 0 5px}
    .index-item p{color:var(--muted);font-size:14px;margin:0;max-width:650px}
    .item-meta{display:flex;align-items:center;gap:13px;color:var(--muted);font-size:12px;white-space:nowrap}
    .item-arrow{font-size:23px;color:var(--berry)}
    .note-panel{margin-top:25px;background:var(--soft);border-radius:16px;padding:20px 24px;color:var(--muted);font-size:14px}
    .faq-wrap{max-width:850px}
    .accordion-item{background:var(--white);border:1px solid var(--line)!important;margin-bottom:10px;border-radius:13px!important;overflow:hidden}
    .accordion-button{background:var(--white);color:var(--ink);font-weight:700;padding:20px 22px;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:var(--soft);color:var(--berry)}
    .accordion-body{color:var(--muted);padding:0 22px 21px}
    .cta-band{background:var(--berry-dark);color:#fff;border-radius:24px;padding:42px 46px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta-band h2{font-size:clamp(25px,3vw,38px);margin:0 0 8px}
    .cta-band p{color:#dfcbd5;margin:0;max-width:600px}
    .btn-gold{display:inline-block;background:var(--gold);color:var(--ink);border:0;border-radius:11px;padding:13px 24px;font-weight:800;white-space:nowrap}
    .btn-gold:hover{background:#f0c982;transform:translateY(-2px)}
    footer{padding:44px 0 25px;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:30px}
    .footer-title{font-weight:800;margin-bottom:13px}
    .footer-links{display:grid;gap:8px;color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--coral)}
    .copyright{border-top:1px solid var(--line);margin-top:34px;padding-top:18px;color:var(--muted);font-size:12px}
    :focus-visible{outline:3px solid rgba(233,121,97,.55);outline-offset:3px}
    .disabled{opacity:.45;pointer-events:none}
    @media(max-width:991px){
      .featured-layout{grid-template-columns:1fr}
      .cta-band{align-items:flex-start;flex-direction:column}
      .nav-cta{display:inline-block;margin-top:12px}
    }
    @media(max-width:767px){
      .container{padding-left:18px;padding-right:18px}
      .navbar{min-height:70px}
      .brand{font-size:16px}
      .page-intro{padding:57px 0 43px}
      .intro-text{font-size:16px}
      section{padding:64px 0}
      .featured-main{padding:28px;min-height:300px}
      .featured-main h3{font-size:26px}
      .index-item{grid-template-columns:45px 1fr;gap:13px;padding:21px 0}
      .item-meta{grid-column:2;justify-content:space-between}
      .item-arrow{margin-left:auto}
      .footer-grid{grid-template-columns:1fr;gap:27px}
    }
    @media(max-width:520px){
      .hero-actions a,.btn-gold{width:100%;text-align:center}
      .status-row{display:grid;grid-template-columns:1fr 1fr}
      .status{font-size:12px}
      .cta-band{padding:31px 24px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
    }