/* roulang page: index */
:root{
 --ink:#292235;--ink-2:#41384d;--muted:#766d7d;--purple:#342447;--purple-2:#513b68;
 --orange:#d98a48;--orange-dark:#b86b32;--cream:#f8f3eb;--paper:#fffdfa;
 --lavender:#eee8f2;--line:#e2d9e4;--green:#668b72;--shadow:0 18px 45px rgba( fifty,35,60,.08);
 --radius:16px;--max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.topline{height:5px;background:var(--orange)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(248,243,235,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.navbar{height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:265px;font-weight:800;color:var(--purple);line-height:1.2}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--purple);color:#fff;display:grid;place-items:center;font-size:17px}
.brand-text{font-size:17px}
.nav-links{display:flex;align-items:center;gap:5px;flex:1}
.nav-links a{padding:9px 12px;border-radius:8px;font-size:14px;color:var(--ink-2);transition:.2s}
.nav-links a:hover,.nav-links a.active{background:var(--lavender);color:var(--purple)}
.nav-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:9px;padding:12px 19px;font-weight:700;transition:.2s}
.nav-action,.btn-primary{background:var(--purple);color:#fff}
.nav-action:hover,.btn-primary:hover{background:var(--purple-2);transform:translateY(-2px)}
.btn-secondary{border:1px solid var(--purple);color:var(--purple);background:transparent}
.btn-secondary:hover{background:var(--lavender)}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-dark);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:1px solid var(--line);padding:8px;border-radius:8px;color:var(--purple)}
.hero{padding:86px 0 76px;background:linear-gradient(115deg,#f8f3eb 55%,#eee6f0 55%)}
.hero-grid{display:grid;grid-template-columns:1.13fr .87fr;gap:72px;align-items:center}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--orange)}
h1{font-size:clamp(36px,5vw,60px);line-height:1.18;letter-spacing:-.04em;margin:18px 0 22px;color:var(--purple)}
.hero-copy{font-size:18px;color:var(--ink-2);max-width:650px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-note{margin-top:22px;color:var(--muted);font-size:13px}
.hero-panel{position:relative;background:var(--purple);color:#fff;border-radius:24px;padding:30px;box-shadow:0 24px 60px rgba(52,36,71,.2);overflow:hidden}
.hero-panel:after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(255,255,255,.17);border-radius:50%;right:-55px;top:-45px}
.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:20px}
.panel-title{font-size:18px;font-weight:700}.status{font-size:12px;color:#dcebdc;display:flex;gap:6px;align-items:center}
.status i{width:8px;height:8px;background:#9cc39e;border-radius:50%}
.panel-main{padding:30px 0 23px}.panel-main strong{display:block;font-size:31px;line-height:1.25}.panel-main span{color:#d1c8d9;font-size:14px}
.panel-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mini{background:rgba(255,255,255,.1);border-radius:12px;padding:15px}.mini b{display:block;font-size:20px}.mini small{color:#d1c8d9}
.section{padding:92px 0}.section.alt{background:#f0eaf1}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}.section h2{font-size:clamp(27px,3vw,38px);line-height:1.25;color:var(--purple);margin-top:8px}.section-intro{max-width:560px;color:var(--muted)}
.state-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--paper);border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:var(--shadow)}
.state-item{padding:25px 26px;border-right:1px solid var(--line)}.state-item:last-child{border:0}.state-item span{display:block;color:var(--muted);font-size:13px}.state-item strong{display:block;color:var(--purple);font-size:19px;margin:5px 0}.state-item em{font-style:normal;color:var(--green);font-size:13px}
.quick-actions{display:flex;flex-wrap:wrap;gap:14px}.quick-item{flex:1;min-width:190px;border:1px solid var(--line);background:var(--paper);padding:21px;border-radius:12px;display:flex;justify-content:space-between;align-items:center;transition:.2s}.quick-item:hover{border-color:var(--orange);transform:translateY(-3px);box-shadow:var(--shadow)}.quick-item b{color:var(--purple)}.arrow{color:var(--orange);font-size:22px}
.news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:28px}.news-feature,.news-list{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}.news-feature{padding:32px}.news-feature h3{font-size:27px;line-height:1.4;margin:13px 0}.news-feature p{color:var(--muted)}.news-list{padding:8px}.news-item{display:block;padding:20px;border-bottom:1px solid var(--line);transition:.2s}.news-item:last-child{border-bottom:0}.news-item:hover{background:var(--lavender)}.meta{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:12px}.tag{display:inline-flex;background:var(--lavender);color:var(--purple);padding:3px 9px;border-radius:20px;font-size:12px}.news-item h4{font-size:17px;margin:7px 0 4px;color:var(--purple)}.news-item p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.timeline{position:relative;margin-left:17px;border-left:1px solid #cdbed1}.timeline-entry{position:relative;padding:0 0 31px 35px}.timeline-entry:before{content:"";position:absolute;left:-7px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--orange);border:3px solid var(--cream)}.timeline-entry time{color:var(--orange-dark);font-size:13px;font-weight:700}.timeline-entry h3{font-size:19px;color:var(--purple);margin:4px 0}.timeline-entry p{color:var(--muted);font-size:14px}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.process-card{padding:25px 20px;background:var(--paper);border-top:3px solid var(--orange);border-radius:10px;box-shadow:0 8px 24px rgba(52,36,71,.05)}.number{font-size:30px;font-weight:800;color:#cbb8d1}.process-card h3{font-size:18px;margin:9px 0;color:var(--purple)}.process-card p{font-size:14px;color:var(--muted)}
.guide{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:start}.guide-list{display:grid;gap:12px}.guide-row{display:grid;grid-template-columns:45px 1fr;gap:15px;align-items:start;padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:11px}.guide-row b{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--purple);color:#fff}.guide-row h3{font-size:17px;color:var(--purple)}.guide-row p{font-size:14px;color:var(--muted)}
.app-showcase{display:grid;grid-template-columns:.65fr 1.35fr;gap:58px;align-items:center}.device{width:220px;height:390px;margin:auto;border:9px solid #30233e;border-radius:30px;background:#f5e8dc;padding:17px;box-shadow:0 18px 30px rgba(52,36,71,.2)}.device-top{height:8px;width:65px;border-radius:8px;background:#30233e;margin:0 auto 22px}.device-line{height:12px;border-radius:4px;background:#fff;margin:14px 0}.device-block{height:112px;border-radius:12px;background:var(--orange);opacity:.85}.app-info{background:var(--paper);border:1px solid var(--line);padding:35px;border-radius:18px}.app-info h3{font-size:28px;color:var(--purple);margin:12px 0}.app-info p{color:var(--muted)}.app-facts{display:flex;gap:28px;flex-wrap:wrap;margin:24px 0}.app-facts span{font-size:13px;color:var(--muted)}.app-facts b{display:block;color:var(--purple);font-size:16px}
.mobile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.mobile-card{background:var(--purple);color:#fff;padding:28px;border-radius:14px;min-height:190px}.mobile-card .number{color:#bd9fc7}.mobile-card h3{font-size:20px;margin:13px 0 7px}.mobile-card p{font-size:14px;color:#ddd2e1}
.notice{display:grid;grid-template-columns:1fr 1fr;gap:25px}.notice-box{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:12px;padding:27px}.notice-box h3{color:var(--purple);font-size:20px;margin-bottom:12px}.checklist{list-style:none;display:grid;gap:10px;color:var(--muted);font-size:14px}.checklist li:before{content:"✓";color:var(--orange);font-weight:800;margin-right:10px}
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.matrix a{padding:23px 20px;background:var(--paper);border:1px solid var(--line);border-radius:12px;transition:.2s}.matrix a:hover{border-color:var(--orange);transform:translateY(-3px)}.matrix strong{display:block;color:var(--purple);font-size:16px}.matrix span{display:block;color:var(--muted);font-size:13px;margin-top:7px}
.feedback{display:grid;grid-template-columns:.7fr 1.3fr;gap:40px;align-items:start}.feedback-copy p{color:var(--muted);margin-top:12px}.form-box{background:var(--paper);border:1px solid var(--line);padding:27px;border-radius:15px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700;color:var(--ink-2)}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:#fffdfb;border-radius:8px;padding:11px 13px;outline:none}.field textarea{min-height:105px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--purple);box-shadow:0 0 0 3px #eee7f1}
.faq{max-width:850px}.faq details{background:var(--paper);border-bottom:1px solid var(--line);padding:18px 21px}.faq details:first-child{border-radius:12px 12px 0 0}.faq details:last-child{border-radius:0 0 12px 12px}.faq summary{cursor:pointer;font-weight:700;color:var(--purple);list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:"+";color:var(--orange);font-size:22px}.faq details[open] summary:after{content:"−"}.faq p{color:var(--muted);font-size:14px;margin-top:10px;padding-right:22px}
.cta{background:var(--purple);color:#fff;border-radius:20px;padding:45px 52px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{color:#fff;font-size:30px}.cta p{color:#d8cede;margin-top:7px}.footer{background:#241a30;color:#d9cedd;padding:55px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-size:18px;color:#fff;font-weight:800}.footer p{font-size:13px;color:#a99dac;margin-top:13px;max-width:300px}.footer h4{color:#fff;font-size:14px;margin-bottom:13px}.footer a{display:block;color:#b9adbd;font-size:13px;margin:7px 0}.footer a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:35px;padding-top:18px;color:#968898;font-size:12px;display:flex;justify-content:space-between;gap:20px}
.empty{padding:34px;text-align:center;color:var(--muted);background:var(--lavender);border-radius:12px}
@media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.brand{min-width:225px}.hero-grid{gap:35px}.matrix{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.navbar{height:68px}.brand{min-width:0;flex:1}.brand-text{font-size:15px}.nav-action{display:none}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--cream);padding:12px 16px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px}.hero{padding:58px 0}.hero-grid,.news-layout,.guide,.app-showcase,.feedback,.notice{grid-template-columns:1fr}.hero-panel{max-width:560px}.section{padding:64px 0}.section-head{display:block}.section-head .section-intro{margin-top:12px}.state-strip{grid-template-columns:1fr 1fr}.state-item:nth-child(2){border-right:0}.state-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.process,.mobile-grid{grid-template-columns:1fr 1fr}.matrix{grid-template-columns:1fr 1fr}.cta{display:block;padding:32px}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){h1{font-size:35px}.hero-copy{font-size:16px}.hero-actions .btn{width:100%}.state-strip,.process,.mobile-grid,.matrix,.form-grid{grid-template-columns:1fr}.state-item{border-right:0!important;border-bottom:1px solid var(--line)!important}.state-item:last-child{border-bottom:0!important}.quick-actions{display:grid}.quick-item{min-width:0}.news-feature{padding:23px}.app-showcase{gap:30px}.app-info{padding:23px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}

/* roulang page: article */
:root{
      --ink:#292235;
      --ink-2:#41384d;
      --muted:#766d7d;
      --purple:#342447;
      --purple-2:#513b68;
      --orange:#d98a48;
      --orange-dark:#b86b32;
      --cream:#f8f3eb;
      --paper:#fffdfa;
      --lavender:#eee8f2;
      --line:#e2d9e4;
      --green:#668b72;
      --shadow:0 18px 45px rgba(50,35,60,.08);
      --radius:16px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--ink);
      background:var(--cream);
      line-height:1.75;
      font-size:16px;
    }
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(217,138,72,.38);
      outline-offset:3px;
    }
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(248,243,235,.95);
      backdrop-filter:blur(14px);
      border-bottom:1px solid var(--line);
    }
    .navbar{height:78px;display:flex;align-items:center;gap:28px}
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:265px;
      font-weight:800;
      color:var(--purple);
      line-height:1.2;
    }
    .brand-mark{
      width:34px;height:34px;border-radius:10px;background:var(--purple);
      color:#fff;display:grid;place-items:center;font-size:17px;
    }
    .brand-text{font-size:17px}
    .brand-text small{font-size:11px;font-weight:600;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{
      padding:9px 12px;border-radius:8px;font-size:14px;color:var(--ink-2);
      transition:.2s;
    }
    .nav-links a:hover,.nav-links a.active{background:var(--lavender);color:var(--purple)}
    .nav-action,.btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:0;border-radius:9px;padding:12px 19px;font-weight:700;transition:.2s;
    }
    .nav-action,.btn-primary{background:var(--purple);color:#fff}
    .nav-action:hover,.btn-primary:hover{background:var(--purple-2);transform:translateY(-2px)}
    .btn-secondary{border:1px solid var(--purple);color:var(--purple);background:transparent}
    .btn-secondary:hover{background:var(--lavender)}
    .btn-orange{background:var(--orange);color:#fff}
    .btn-orange:hover{background:var(--orange-dark);transform:translateY(-2px)}
    .menu-toggle{
      display:none;background:none;border:1px solid var(--line);padding:8px;
      border-radius:8px;color:var(--purple)
    }

    .article-hero{
      padding:78px 0 66px;
      background:linear-gradient(115deg,#f8f3eb 62%,#eee6f0 62%);
      border-bottom:1px solid var(--line);
    }
    .eyebrow,.section-kicker{
      display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);
      font-size:13px;font-weight:800;letter-spacing:.06em;
    }
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:2px;background:var(--orange)}
    .article-hero h1{
      max-width:850px;margin:17px 0 18px;color:var(--purple);
      font-size:clamp(32px,5vw,54px);line-height:1.25;letter-spacing:-.03em;
    }
    .article-summary{max-width:780px;color:var(--ink-2);font-size:18px;margin:0 0 24px}
    .article-meta{display:flex;flex-wrap:wrap;gap:10px 18px;color:var(--muted);font-size:13px}
    .tag{
      display:inline-flex;background:var(--lavender);color:var(--purple);
      padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700;
    }

    .article-layout{
      display:grid;grid-template-columns:minmax(0,820px) 280px;
      gap:64px;align-items:start;padding:80px 0 96px;
    }
    .breadcrumb{
      display:flex;flex-wrap:wrap;gap:8px;align-items:center;
      color:var(--muted);font-size:13px;margin-bottom:25px;
    }
    .breadcrumb a{color:var(--purple)}
    .breadcrumb a:hover{color:var(--orange-dark)}
    .reading-card{
      background:var(--paper);border:1px solid var(--line);
      border-radius:var(--radius);padding:clamp(26px,5vw,54px);
      box-shadow:var(--shadow);
    }
    .reading-card h2{
      color:var(--purple);font-size:25px;line-height:1.4;
      margin:0 0 28px;padding-bottom:18px;border-bottom:1px solid var(--line);
    }
    .article-content{font-size:17px;line-height:1.95;color:var(--ink-2)}
    .article-content h2,.article-content h3{
      color:var(--purple);line-height:1.4;margin:35px 0 14px;
    }
    .article-content h2{font-size:26px}
    .article-content h3{font-size:21px}
    .article-content p{margin:0 0 20px}
    .article-content ul,.article-content ol{padding-left:25px;margin:0 0 22px}
    .article-content li{margin:7px 0}
    .article-content blockquote{
      margin:28px 0;padding:19px 22px;border-left:4px solid var(--orange);
      background:#f5eee7;color:var(--ink-2);border-radius:0 10px 10px 0;
    }
    .article-content table{width:100%;border-collapse:collapse;margin:25px 0;font-size:15px}
    .article-content th,.article-content td{border:1px solid var(--line);padding:11px;text-align:left}
    .article-content th{background:var(--lavender);color:var(--purple)}
    .article-content img{border-radius:12px;margin:24px auto}
    .empty-state{
      padding:48px 20px;text-align:center;border:1px dashed var(--line);
      border-radius:12px;background:#fbf7f1;color:var(--muted);
    }
    .empty-state h2{border:0;margin:0 0 9px;padding:0;font-size:24px}
    .empty-state a{display:inline-flex;margin-top:15px;color:var(--purple);font-weight:700}
    .side-stack{position:sticky;top:106px;display:grid;gap:18px}
    .side-card{
      background:var(--paper);border:1px solid var(--line);
      border-radius:14px;padding:22px;
    }
    .side-card h3{font-size:17px;color:var(--purple);margin:0 0 14px}
    .side-card p{font-size:14px;color:var(--muted);margin:0}
    .side-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
    .side-list li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink-2)}
    .side-list li:last-child{border-bottom:0}
    .side-list span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
    .notice-section{padding:0 0 92px}
    .notice-box{
      display:flex;justify-content:space-between;align-items:center;gap:30px;
      padding:28px 32px;background:var(--purple);color:#fff;border-radius:16px;
    }
    .notice-box h2{font-size:23px;margin:0 0 6px}
    .notice-box p{margin:0;color:#d9cfdf;font-size:14px}
    .faq-section{padding:88px 0;background:#f0eaf1}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section h2{font-size:clamp(27px,3vw,38px);line-height:1.25;color:var(--purple);margin:8px 0 0}
    .faq-list{max-width:850px;margin:auto;display:grid;gap:10px}
    .faq-item{background:var(--paper);border:1px solid var(--line);border-radius:11px;overflow:hidden}
    .faq-item summary{padding:18px 21px;color:var(--purple);font-weight:700;cursor:pointer;list-style:none}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";float:right;color:var(--orange);font-size:20px}
    .faq-item[open] summary:after{content:"－"}
    .faq-answer{padding:0 21px 19px;color:var(--muted);font-size:14px}

    .footer{background:var(--purple);color:#fff;padding:62px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{font-size:21px;font-weight:800;margin-bottom:12px}
    .footer p{color:#d5cada;font-size:14px;max-width:300px;margin:0}
    .footer h4{font-size:15px;margin:3px 0 14px;color:#fff}
    .footer a{display:block;color:#d5cada;font-size:14px;margin:8px 0;transition:.2s}
    .footer a:hover{color:#f3bc86}
    .copyright{
      display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.15);
      margin-top:40px;padding-top:18px;color:#bfb2c7;font-size:12px;
    }

    @media(max-width:1024px){
      .navbar{gap:14px}.brand{min-width:230px}.nav-links a{padding:8px 8px}
      .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:30px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .navbar{height:70px}.brand{min-width:0;flex:1}.brand-text{font-size:15px}
      .brand-text small{font-size:10px}.menu-toggle{display:block;order:2}
      .nav-action{padding:9px 12px;font-size:13px;order:3}
      .nav-links{
        display:none;position:absolute;top:70px;left:16px;right:16px;
        padding:10px;background:var(--paper);border:1px solid var(--line);
        border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;
      }
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
      .article-hero{padding:56px 0 48px;background:var(--cream)}
      .article-hero h1{font-size:34px}.article-summary{font-size:16px}
      .article-layout{display:block;padding:48px 0 60px}
      .side-stack{position:static;margin-top:24px}
      .notice-section{padding-bottom:60px}.notice-box{display:block;padding:25px}
      .notice-box .btn{margin-top:20px}
      .faq-section{padding:60px 0}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .copyright{display:block}.copyright span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      .brand-mark{width:31px;height:31px;font-size:15px}.brand-text{font-size:14px}
      .nav-action{font-size:12px;padding:8px 10px}
      .article-hero h1{font-size:30px}.reading-card{padding:23px 18px}
      .article-content{font-size:16px}.article-content table{display:block;overflow-x:auto;white-space:nowrap}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category1 */
:root{
      --ink:#292235;
      --ink-2:#41384d;
      --muted:#766d7d;
      --purple:#342447;
      --purple-2:#513b68;
      --orange:#d98a48;
      --orange-dark:#b86b32;
      --cream:#f8f3eb;
      --paper:#fffdfa;
      --lavender:#eee8f2;
      --line:#e2d9e4;
      --green:#668b72;
      --shadow:0 18px 45px rgba(50,35,60,.08);
      --radius:16px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--cream);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.75;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(248,243,235,.95);
      backdrop-filter:blur(14px);
      border-bottom:1px solid var(--line);
    }
    .navbar{height:78px;display:flex;align-items:center;gap:28px}
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:265px;
      color:var(--purple);
      font-weight:800;
      line-height:1.2;
    }
    .brand-mark{
      width:34px;height:34px;border-radius:10px;
      display:grid;place-items:center;
      color:#fff;background:var(--purple);font-size:17px;
    }
    .brand-text{font-size:17px}
    .brand-text small{font-size:11px;color:var(--muted);font-weight:600}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{
      padding:9px 12px;
      border-radius:8px;
      color:var(--ink-2);
      font-size:14px;
      transition:.2s ease;
    }
    .nav-links a:hover,.nav-links a.active{background:var(--lavender);color:var(--purple)}
    .nav-action,.btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:0;
      border-radius:9px;
      padding:12px 19px;
      font-weight:700;
      transition:.2s ease;
    }
    .nav-action,.btn-primary{background:var(--purple);color:#fff}
    .nav-action:hover,.btn-primary:hover{background:var(--purple-2);color:#fff;transform:translateY(-2px)}
    .btn-secondary{border:1px solid var(--purple);color:var(--purple);background:transparent}
    .btn-secondary:hover{background:var(--lavender);color:var(--purple)}
    .btn-orange{background:var(--orange);color:#fff}
    .btn-orange:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px)}
    .menu-toggle{
      display:none;
      border:1px solid var(--line);
      border-radius:8px;
      padding:8px 11px;
      color:var(--purple);
      background:transparent;
    }
    .page-hero{
      padding:78px 0 66px;
      background:linear-gradient(115deg,#f8f3eb 58%,#eee6f0 58%);
    }
    .hero-inner{max-width:900px}
    .eyebrow,.section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--orange-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.06em;
    }
    .eyebrow:before,.section-kicker:before{
      content:"";
      width:28px;height:2px;background:var(--orange);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      max-width:850px;
      margin:17px 0 18px;
      color:var(--purple);
      font-size:clamp(36px,5vw,60px);
      letter-spacing:-.04em;
      line-height:1.18;
    }
    .hero-summary{
      max-width:760px;
      margin-bottom:27px;
      color:var(--ink-2);
      font-size:18px;
    }
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px}
    .badge{
      display:inline-flex;
      align-items:center;
      padding:6px 12px;
      border:1px solid var(--line);
      border-radius:30px;
      color:var(--purple);
      background:rgba(255,253,250,.7);
      font-size:13px;
    }
    .section{padding:82px 0}
    .section.alt{background:#f0eaf1}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:25px;
      margin-bottom:31px;
    }
    .section h2{
      margin:8px 0 0;
      color:var(--purple);
      font-size:clamp(27px,3vw,38px);
      line-height:1.25;
    }
    .section-intro{max-width:560px;margin:0;color:var(--muted)}
    .filter-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding:14px;
      border:1px solid var(--line);
      border-radius:12px;
      background:var(--paper);
      box-shadow:0 8px 25px rgba(52,36,71,.04);
    }
    .filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
    .filter-tabs a{
      padding:7px 13px;
      border-radius:8px;
      color:var(--muted);
      font-size:14px;
      transition:.2s;
    }
    .filter-tabs a:hover,.filter-tabs a.selected{color:#fff;background:var(--purple)}
    .filter-note{color:var(--muted);font-size:13px}
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 300px;
      gap:28px;
      align-items:start;
    }
    .timeline{position:relative;display:grid;gap:16px}
    .timeline:before{
      content:"";
      position:absolute;
      left:19px;top:20px;bottom:20px;
      width:1px;background:var(--line);
    }
    .update-card{
      position:relative;
      display:grid;
      grid-template-columns:40px 1fr;
      gap:17px;
      padding:23px 25px 23px 15px;
      border:1px solid var(--line);
      border-radius:13px;
      background:var(--paper);
      transition:.2s ease;
    }
    .update-card:hover{
      border-color:var(--orange);
      transform:translateY(-3px);
      box-shadow:var(--shadow);
    }
    .timeline-dot{
      position:relative;
      z-index:1;
      width:10px;height:10px;
      margin:8px auto 0;
      border:3px solid var(--cream);
      border-radius:50%;
      background:var(--orange);
      box-shadow:0 0 0 1px var(--orange);
    }
    .update-top{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
    .tag{
      display:inline-flex;
      padding:3px 9px;
      border-radius:20px;
      color:var(--purple);
      background:var(--lavender);
      font-size:12px;
    }
    .date{color:var(--muted);font-size:12px}
    .update-card h3{margin:8px 0 5px;color:var(--purple);font-size:20px;line-height:1.45}
    .update-card p{margin-bottom:13px;color:var(--muted);font-size:14px}
    .text-link{color:var(--orange-dark);font-size:14px;font-weight:700}
    .text-link:hover{text-decoration:underline}
    .side-panel{
      padding:25px;
      border-radius:15px;
      background:var(--purple);
      color:#fff;
      box-shadow:0 14px 35px rgba(52,36,71,.14);
    }
    .side-panel h3{margin-bottom:13px;font-size:20px}
    .side-panel p{color:#dcd1e1;font-size:14px}
    .side-panel ul{padding:0;margin:20px 0 0;list-style:none}
    .side-panel li{
      padding:11px 0;
      border-bottom:1px solid rgba(255,255,255,.14);
      color:#eee7f0;
      font-size:14px;
    }
    .side-panel li:last-child{border-bottom:0}
    .side-panel li:before{content:"✓";margin-right:9px;color:#e7a569;font-weight:800}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .guide-card{
      min-height:185px;
      padding:26px 23px;
      border-top:3px solid var(--orange);
      border-radius:11px;
      background:var(--paper);
      box-shadow:0 8px 24px rgba(52,36,71,.05);
    }
    .guide-card .number{color:var(--orange-dark);font-weight:800;font-size:14px}
    .guide-card h3{margin:11px 0 7px;color:var(--purple);font-size:19px}
    .guide-card p{margin:0;color:var(--muted);font-size:14px}
    .check-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:30px;
      align-items:stretch;
    }
    .check-panel,.note-panel{
      padding:29px;
      border:1px solid var(--line);
      border-radius:15px;
      background:var(--paper);
    }
    .check-panel h3,.note-panel h3{margin-bottom:17px;color:var(--purple);font-size:21px}
    .checklist{display:grid;gap:12px;padding:0;margin:0;list-style:none}
    .checklist li{color:var(--muted);font-size:14px}
    .checklist li:before{content:"✓";margin-right:10px;color:var(--orange);font-weight:800}
    .note-panel{background:#eee8f2;border-color:#ddd0e0}
    .note-panel p{color:var(--ink-2);font-size:15px}
    .faq-list{display:grid;gap:10px;max-width:920px}
    .faq-item{
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:11px;
      background:var(--paper);
    }
    .faq-item summary{
      padding:18px 21px;
      cursor:pointer;
      color:var(--purple);
      font-weight:700;
      list-style:none;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";float:right;color:var(--orange);font-size:20px;line-height:1}
    .faq-item[open] summary:after{content:"－"}
    .faq-answer{padding:0 21px 19px;color:var(--muted);font-size:14px}
    .cta-strip{
      padding:45px 52px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:25px;
      border-radius:19px;
      background:var(--purple);
      color:#fff;
    }
    .cta-strip h2{margin:0 0 8px;color:#fff;font-size:clamp(25px,3vw,34px)}
    .cta-strip p{margin:0;color:#dcd1e1}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
    .cta-strip .btn-secondary{border-color:#d8c7dc;color:#fff}
    .footer{padding:60px 0 22px;background:#2b2038;color:#e8deea}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{margin-bottom:10px;color:#fff;font-size:20px;font-weight:800}
    .footer p{max-width:320px;margin:0;color:#bdb0c2;font-size:14px}
    .footer h4{margin:0 0 13px;color:#fff;font-size:15px}
    .footer a{display:block;margin:7px 0;color:#bdb0c2;font-size:14px;transition:.2s}
    .footer a:hover{color:#f0a66a}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:15px;
      margin-top:42px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.13);
      color:#9f91a5;
      font-size:12px;
    }
    :focus-visible{outline:3px solid rgba(217,138,72,.55);outline-offset:3px}
    @media(max-width:1024px){
      .navbar{gap:14px}
      .brand{min-width:225px}
      .nav-links a{padding:8px 7px;font-size:13px}
      .content-layout{grid-template-columns:1fr 270px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .navbar{height:70px}
      .brand{min-width:0;flex:1}
      .brand-text{font-size:15px}
      .brand-text small{font-size:10px}
      .menu-toggle{display:block}
      .nav-links{
        display:none;
        position:absolute;
        top:70px;left:16px;right:16px;
        padding:10px;
        flex-direction:column;
        align-items:stretch;
        border:1px solid var(--line);
        border-radius:12px;
        background:var(--paper);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:11px 13px}
      .nav-action{padding:9px 12px;font-size:13px}
      .page-hero{padding:58px 0 48px;background:var(--cream)}
      .section{padding:60px 0}
      .section-head{display:block}
      .section-intro{margin-top:12px}
      .content-layout,.check-wrap{grid-template-columns:1fr}
      .guide-grid{grid-template-columns:1fr}
      .cta-strip{display:block;padding:32px 25px}
      .cta-actions{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:5px}
    }
    @media(max-width:520px){
      h1{font-size:34px}
      .hero-summary{font-size:16px}
      .filter-bar{align-items:flex-start}
      .update-card{padding-right:17px}
      .update-card h3{font-size:18px}
      .side-panel,.check-panel,.note-panel{padding:23px}
      .footer-grid{grid-template-columns:1fr}
      .nav-action{display:none}
    }

/* roulang page: category2 */
:root{
      --ink:#292235;--ink-2:#41384d;--muted:#766d7d;--purple:#342447;--purple-2:#513b68;
      --orange:#d98a48;--orange-dark:#b86b32;--cream:#f8f3eb;--paper:#fffdfa;
      --lavender:#eee8f2;--line:#e2d9e4;--green:#668b72;
      --shadow:0 18px 45px rgba(50,35,60,.08);--radius:16px;--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(248,243,235,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
    .navbar{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:265px;font-weight:800;color:var(--purple);line-height:1.2}
    .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--purple);color:#fff;display:grid;place-items:center;font-size:17px}
    .brand-text{font-size:17px}
    .brand-text small{font-size:11px;color:var(--muted);font-weight:600}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{padding:9px 12px;border-radius:8px;font-size:14px;color:var(--ink-2);transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:var(--lavender);color:var(--purple)}
    .nav-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:9px;padding:12px 19px;font-weight:700;transition:.2s}
    .nav-action,.btn-primary{background:var(--purple);color:#fff}
    .nav-action:hover,.btn-primary:hover{background:var(--purple-2);color:#fff;transform:translateY(-2px)}
    .btn-secondary{border:1px solid var(--purple);color:var(--purple);background:transparent}
    .btn-secondary:hover{background:var(--lavender)}
    .menu-toggle{display:none;background:transparent;border:1px solid var(--line);padding:8px 10px;border-radius:8px;color:var(--purple)}
    .page-hero{padding:78px 0 68px;background:linear-gradient(120deg,#f8f3eb 52%,#eee6f0 52%)}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:2px;background:var(--orange)}
    h1,h2,h3,h4{color:var(--purple);line-height:1.3;margin-top:0}
    h1{font-size:clamp(36px,5vw,60px);margin:16px 0 18px;letter-spacing:-.03em}
    .hero-copy{max-width:690px;color:var(--ink-2);font-size:18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-panel{background:var(--purple);color:#fff;padding:30px;border-radius:22px;box-shadow:0 24px 60px rgba(52,36,71,.18)}
    .hero-panel h2{color:#fff;font-size:22px;margin-bottom:20px}
    .panel-line{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid rgba(255,255,255,.18);padding:15px 0;color:#ddd2e1;font-size:14px}
    .panel-line:last-child{border-bottom:0}
    .panel-line strong{color:#fff;font-weight:700}
    .section{padding:82px 0}
    .section.alt{background:#f0eaf1}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section h2{font-size:clamp(27px,3vw,38px);margin:8px 0 0}
    .section-intro{max-width:590px;color:var(--muted)}
    .filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:15px 18px;background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 22px rgba(52,36,71,.04)}
    .filter-label{font-size:13px;color:var(--muted);font-weight:700;margin-right:4px}
    .filter-bar a{padding:7px 13px;border-radius:20px;color:var(--ink-2);font-size:13px}
    .filter-bar a:hover,.filter-bar a.active{background:var(--purple);color:#fff}
    .content-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:25px;align-items:start}
    .news-list{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:8px}
    .news-item{display:block;padding:23px 24px;border-bottom:1px solid var(--line);transition:.2s}
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:var(--lavender)}
    .meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;flex-wrap:wrap}
    .tag{display:inline-flex;background:var(--lavender);color:var(--purple);padding:3px 9px;border-radius:20px;font-size:12px}
    .news-item h3{font-size:20px;margin:9px 0 5px}
    .news-item p{color:var(--muted);font-size:14px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .empty-state{padding:55px 25px;text-align:center;color:var(--muted)}
    .empty-state h3{font-size:21px;margin-bottom:9px}
    .side-card{background:var(--purple);color:#fff;border-radius:var(--radius);padding:29px;position:sticky;top:105px}
    .side-card h3{color:#fff;font-size:22px;margin-bottom:14px}
    .side-card p{color:#ddd2e1;font-size:14px}
    .side-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:13px}
    .side-list li{border-top:1px solid rgba(255,255,255,.18);padding-top:12px;color:#eee7f0;font-size:14px}
    .side-list b{color:#f0b17a;margin-right:8px}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .guide-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:25px;transition:.2s}
    .guide-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
    .guide-number{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--lavender);color:var(--purple);font-weight:800}
    .guide-card h3{font-size:19px;margin:17px 0 8px}
    .guide-card p{color:var(--muted);font-size:14px;margin:0}
    .feature-strip{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .feature-card{padding:30px;background:var(--paper);border:1px solid var(--line);border-radius:16px}
    .feature-card.orange{background:#f4e4d6;border-color:#e9c4a4}
    .feature-card h3{font-size:23px;margin:12px 0 8px}
    .feature-card p{color:var(--muted);font-size:14px;margin-bottom:20px}
    .checklist{list-style:none;padding:0;margin:0;display:grid;gap:10px;color:var(--ink-2);font-size:14px}
    .checklist li:before{content:"✓";color:var(--orange-dark);font-weight:800;margin-right:10px}
    .faq-list{max-width:850px;margin:0 auto}
    .faq-item{border-bottom:1px solid var(--line);padding:19px 0}
    .faq-item summary{cursor:pointer;color:var(--purple);font-weight:700;list-style:none;position:relative;padding-right:30px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";position:absolute;right:0;color:var(--orange-dark);font-size:22px;line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{color:var(--muted);font-size:14px;margin:12px 30px 0 0}
    .cta-band{background:var(--purple);color:#fff;padding:44px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta-band h2{color:#fff;font-size:30px;margin:0 0 8px}
    .cta-band p{color:#d9cedf;margin:0}
    .cta-band .btn-secondary{border-color:#d9cedf;color:#fff}
    .footer{background:#251c30;color:#d9cedf;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{font-size:21px;font-weight:800;color:#fff;margin-bottom:10px}
    .footer p{color:#a99bad;font-size:14px;max-width:310px}
    .footer h4{color:#fff;font-size:15px;margin:0 0 15px}
    .footer a{display:block;color:#bdb0c3;font-size:14px;margin:8px 0;transition:.2s}
    .footer a:hover{color:#f0b17a}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#978a9e;font-size:12px}
    :focus-visible{outline:3px solid rgba(217,138,72,.45);outline-offset:3px}
    @media(max-width:1024px){
      .navbar{gap:14px}.brand{min-width:235px}.nav-links a{padding:8px 7px}
      .hero-grid{gap:35px}.content-layout{grid-template-columns:1fr .7fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .navbar{height:70px}.brand{min-width:0;flex:1}.brand-text{font-size:15px}
      .menu-toggle{display:block;order:2}.nav-action{order:3;padding:10px 13px;font-size:13px}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px}
      .page-hero{padding:58px 0}.hero-grid,.content-layout,.feature-strip{grid-template-columns:1fr}
      h1{font-size:39px}.hero-copy{font-size:16px}.hero-panel{padding:24px}
      .section{padding:60px 0}.section-head{display:block}.section-intro{margin-top:12px}
      .side-card{position:static}.guide-grid{grid-template-columns:1fr}
      .cta-inner{display:block}.cta-band .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      .brand-mark{width:31px;height:31px}.brand-text small{display:none}.nav-action{font-size:12px;padding:9px 10px}
      h1{font-size:34px}.hero-actions .btn{width:100%}.filter-bar{align-items:flex-start;display:block}
      .filter-label{display:block;margin-bottom:7px}.filter-bar a{display:inline-block;margin:2px 2px 2px 0}
      .news-item{padding:20px 15px}.footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category3 */
:root{
      --ink:#292235;--ink-2:#41384d;--muted:#766d7d;--purple:#342447;--purple-2:#513b68;
      --orange:#d98a48;--orange-dark:#b86b32;--cream:#f8f3eb;--paper:#fffdfa;
      --lavender:#eee8f2;--line:#e2d9e4;--green:#668b72;--shadow:0 18px 45px rgba(50,35,60,.08);
      --radius:16px;--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(248,243,235,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
    .navbar{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:265px;font-weight:800;color:var(--purple);line-height:1.2}
    .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--purple);color:#fff;display:grid;place-items:center;font-size:17px}
    .brand-text{font-size:17px}
    .brand-text small{font-size:11px;color:var(--muted);font-weight:600}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{padding:9px 12px;border-radius:8px;font-size:14px;color:var(--ink-2);transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:var(--lavender);color:var(--purple)}
    .nav-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:9px;padding:12px 19px;font-weight:700;transition:.2s}
    .nav-action,.btn-primary{background:var(--purple);color:#fff}
    .nav-action:hover,.btn-primary:hover{background:var(--purple-2);transform:translateY(-2px)}
    .btn-secondary{border:1px solid var(--purple);color:var(--purple);background:transparent}
    .btn-secondary:hover{background:var(--lavender)}
    .btn-orange{background:var(--orange);color:#fff}
    .btn-orange:hover{background:var(--orange-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);padding:8px;border-radius:8px;color:var(--purple)}
    .page-intro{padding:82px 0 66px;background:linear-gradient(115deg,#f8f3eb 55%,#eee6f0 55%)}
    .intro-grid{display:grid;grid-template-columns:1fr 360px;gap:70px;align-items:end}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange)}
    h1{font-size:clamp(36px,5vw,58px);line-height:1.2;color:var(--purple);margin:14px 0 18px;letter-spacing:-.03em}
    .intro-copy{max-width:720px;color:var(--ink-2);font-size:18px;margin:0}
    .intro-card{background:var(--purple);color:#fff;border-radius:20px;padding:27px;box-shadow:var(--shadow)}
    .intro-card strong{display:block;font-size:23px;margin:8px 0}
    .intro-card p{color:#d9cede;font-size:14px;margin:0}
    .section{padding:78px 0}
    .section.alt{background:#f0eaf1}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section h2{font-size:clamp(27px,3vw,38px);line-height:1.25;color:var(--purple);margin:8px 0 0}
    .section-intro{max-width:570px;color:var(--muted);margin:0}
    .filter-bar{display:flex;gap:10px;flex-wrap:wrap;padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:13px}
    .filter-bar span{padding:8px 15px;border-radius:20px;color:var(--muted);font-size:14px}
    .filter-bar span.active{background:var(--purple);color:#fff}
    .download-layout{display:grid;grid-template-columns:390px 1fr;gap:55px;align-items:center}
    .device-stage{min-height:380px;background:var(--lavender);border-radius:24px;display:grid;place-items:center;position:relative;overflow:hidden}
    .device-stage:before,.device-stage:after{content:"";position:absolute;border:1px solid rgba(81,59,104,.17);border-radius:50%}
    .device-stage:before{width:310px;height:310px}
    .device-stage:after{width:440px;height:440px}
    .phone{width:190px;height:335px;background:var(--purple);border:8px solid #21172d;border-radius:28px;position:relative;z-index:1;padding:38px 14px 15px;box-shadow:0 18px 35px rgba(52,36,71,.22)}
    .phone:before{content:"";position:absolute;top:12px;left:50%;transform:translateX(-50%);width:55px;height:5px;border-radius:5px;background:#927ba2}
    .phone-screen{height:100%;border-radius:17px;background:var(--cream);padding:16px 12px}
    .screen-brand{height:35px;border-radius:8px;background:var(--purple);margin-bottom:18px}
    .screen-line{height:9px;background:#d6c9d9;border-radius:8px;margin:10px 0}
    .screen-line.short{width:62%}
    .screen-box{height:92px;border-radius:11px;background:#ead9ca;margin-top:19px}
    .download-copy h2{font-size:34px;color:var(--purple);line-height:1.3;margin:10px 0 14px}
    .download-copy p{color:var(--muted);max-width:600px}
    .download-meta{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
    .badge{display:inline-flex;padding:7px 12px;border-radius:20px;background:var(--lavender);color:var(--purple);font-size:13px}
    .download-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .note{font-size:13px;color:var(--muted);margin-top:17px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card{background:var(--paper);border:1px solid var(--line);padding:25px;border-radius:14px;transition:.2s}
    .feature-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
    .feature-card .num{font-size:14px;color:var(--orange-dark);font-weight:800}
    .feature-card h3{font-size:20px;color:var(--purple);margin:12px 0 8px}
    .feature-card p{font-size:14px;color:var(--muted);margin:0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:24px 20px;background:var(--paper);border-top:3px solid var(--orange);border-radius:10px}
    .step strong{display:grid;place-items:center;width:33px;height:33px;border-radius:50%;background:var(--purple);color:#fff;font-size:14px}
    .step h3{font-size:17px;color:var(--purple);margin:14px 0 6px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .updates{display:grid;grid-template-columns:1.1fr .9fr;gap:25px}
    .timeline,.info-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
    .timeline-item{position:relative;padding:0 0 23px 26px;border-left:2px solid var(--line)}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-7px;top:4px;width:11px;height:11px;border-radius:50%;background:var(--orange)}
    .timeline-item time{font-size:13px;color:var(--orange-dark);font-weight:700}
    .timeline-item h3{font-size:18px;color:var(--purple);margin:5px 0}
    .timeline-item p{font-size:14px;color:var(--muted);margin:0}
    .info-panel h3{font-size:21px;color:var(--purple);margin-top:0}
    .checklist{list-style:none;padding:0;margin:0;display:grid;gap:12px;color:var(--muted);font-size:14px}
    .checklist li:before{content:"✓";color:var(--orange);font-weight:800;margin-right:10px}
    .news-list{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:8px}
    .news-item{display:block;padding:19px 20px;border-bottom:1px solid var(--line);transition:.2s}
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:var(--lavender)}
    .meta{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:12px}
    .tag{display:inline-flex;background:var(--lavender);color:var(--purple);padding:3px 9px;border-radius:20px;font-size:12px}
    .news-item h3{font-size:18px;color:var(--purple);margin:7px 0 4px}
    .news-item p{font-size:14px;color:var(--muted);margin:0}
    .empty{padding:35px;text-align:center;color:var(--muted)}
    .faq-list{display:grid;gap:11px;max-width:850px}
    .faq-list details{background:var(--paper);border:1px solid var(--line);border-radius:11px;padding:17px 20px}
    .faq-list summary{cursor:pointer;color:var(--purple);font-weight:700}
    .faq-list p{color:var(--muted);font-size:14px;margin:13px 0 0}
    .cta{padding:48px 0;background:var(--purple);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:30px;margin:0 0 8px}
    .cta p{color:#d8ccde;margin:0}
    .footer{background:#21182b;color:#e8deeb;padding:55px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px}
    .footer p{color:#b9acbd;font-size:14px;max-width:300px}
    .footer h4{font-size:15px;color:#fff;margin:0 0 14px}
    .footer a{display:block;color:#b9acbd;font-size:14px;margin:8px 0;transition:.2s}
    .footer a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#9f92a5;font-size:12px}
    :focus-visible{outline:3px solid rgba(217,138,72,.5);outline-offset:3px}
    @media(max-width:900px){
      .navbar{gap:14px}.brand{min-width:220px}.nav-links a{padding:8px 7px}
      .intro-grid,.download-layout,.updates{grid-template-columns:1fr;gap:30px}
      .feature-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .navbar{height:70px}.menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;top:70px;left:16px;right:16px;padding:10px;background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:11px 13px}.nav-action{display:none}
      .page-intro{padding:60px 0 50px}h1{font-size:39px}.intro-card{max-width:420px}
      .section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:12px}
      .download-layout{gap:25px}.device-stage{min-height:330px}.feature-grid,.steps{grid-template-columns:1fr}
      .cta-inner{display:block}.cta .btn{margin-top:22px}.footer-grid{gap:24px}
      .copyright{display:block}.copyright span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      .brand-text{font-size:14px}.brand-text small{font-size:9px}.brand{min-width:0}
      .page-intro h1{font-size:34px}.download-copy h2{font-size:28px}
      .phone{transform:scale(.9)}.device-stage{min-height:300px}
      .filter-bar{gap:5px}.filter-bar span{padding:7px 10px;font-size:13px}
    }

/* roulang page: category4 */
:root{
      --ink:#292235;--ink-2:#41384d;--muted:#766d7d;--purple:#342447;--purple-2:#513b68;
      --orange:#d98a48;--orange-dark:#b86b32;--cream:#f8f3eb;--paper:#fffdfa;
      --lavender:#eee8f2;--line:#e2d9e4;--green:#668b72;
      --shadow:0 18px 45px rgba(50,35,60,.08);--radius:16px;--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(248,243,235,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
    .navbar{height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:265px;font-weight:800;color:var(--purple);line-height:1.2}
    .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--purple);color:#fff;display:grid;place-items:center;font-size:17px}
    .brand-text{font-size:17px}.brand-text small{font-size:11px;font-weight:600;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{padding:9px 12px;border-radius:8px;font-size:14px;color:var(--ink-2);transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:var(--lavender);color:var(--purple)}
    .nav-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:9px;padding:12px 19px;font-weight:700;transition:.2s}
    .nav-action,.btn-primary{background:var(--purple);color:#fff}
    .nav-action:hover,.btn-primary:hover{background:var(--purple-2);color:#fff;transform:translateY(-2px)}
    .btn-secondary{border:1px solid var(--purple);color:var(--purple);background:transparent}
    .btn-secondary:hover{background:var(--lavender)}
    .btn-orange{background:var(--orange);color:#fff}.btn-orange:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);padding:8px;border-radius:8px;color:var(--purple)}
    .page-hero{padding:78px 0 68px;background:linear-gradient(120deg,var(--cream),#eee6f0)}
    .hero-inner{max-width:850px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:2px;background:var(--orange)}
    h1{font-size:clamp(34px,5vw,56px);line-height:1.2;color:var(--purple);margin:17px 0 18px;letter-spacing:-.03em}
    h2{font-size:clamp(27px,3vw,38px);line-height:1.25;color:var(--purple);margin:8px 0 14px}
    h3{color:var(--purple);line-height:1.35}
    .hero-summary{max-width:720px;color:var(--ink-2);font-size:18px;margin:0}
    .hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
    .pill,.tag{display:inline-flex;align-items:center;background:var(--lavender);color:var(--purple);padding:5px 12px;border-radius:20px;font-size:13px}
    .section{padding:84px 0}.section.alt{background:#f0eaf1}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-intro{max-width:560px;color:var(--muted);margin:0}
    .index-bar{display:flex;align-items:center;gap:0;background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:auto;box-shadow:var(--shadow)}
    .index-bar a{white-space:nowrap;padding:18px 24px;border-right:1px solid var(--line);font-size:14px;color:var(--ink-2);transition:.2s}
    .index-bar a:last-child{border:0}.index-bar a:hover,.index-bar a.current{background:var(--purple);color:#fff}
    .guide-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
    .step-list{display:grid;gap:13px}
    .step-row{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:21px;background:var(--paper);border:1px solid var(--line);border-radius:12px;transition:.2s}
    .step-row:hover{border-color:var(--orange);transform:translateX(3px);box-shadow:var(--shadow)}
    .step-number{width:36px;height:36px;border-radius:50%;background:var(--purple);color:#fff;display:grid;place-items:center;font-weight:800}
    .step-row h3{font-size:18px;margin:0 0 4px}.step-row p{font-size:14px;color:var(--muted);margin:0}
    .phone-panel{background:var(--purple);border-radius:20px;padding:30px;color:#fff;display:flex;align-items:center;justify-content:center;min-height:390px;overflow:hidden;position:relative}
    .phone-panel:before{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(255,255,255,.15);border-radius:50%;top:-90px;right:-90px}
    .phone{width:190px;height:310px;border:7px solid #21172d;border-radius:27px;background:#f8f3eb;box-shadow:0 15px 30px rgba(0,0,0,.2);padding:18px 13px;color:var(--purple);position:relative}
    .phone-notch{height:7px;width:55px;border-radius:8px;background:#21172d;margin:0 auto 20px}
    .phone-brand{font-size:12px;font-weight:800;border-bottom:1px solid var(--line);padding-bottom:12px}
    .phone-status{margin:18px 0 11px;padding:12px;background:#e8efe9;border-radius:8px;font-size:11px;color:var(--green)}
    .phone-line{height:9px;background:#e8e0e8;border-radius:6px;margin:10px 0}.phone-line.short{width:65%}
    .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scenario-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:27px;min-height:205px;transition:.2s}
    .scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--orange)}
    .scenario-icon{font-size:24px;color:var(--orange)}.scenario-card h3{font-size:20px;margin:13px 0 7px}.scenario-card p{font-size:14px;color:var(--muted);margin:0}
    .check-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:start}
    .notice{background:var(--purple);color:#fff;border-radius:18px;padding:32px}
    .notice h3{color:#fff;font-size:24px;margin-top:0}.notice p{color:#ddd2e1;font-size:14px}
    .checklist{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px;color:var(--ink-2)}
    .checklist li{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:15px 18px;font-size:14px}
    .checklist li:before{content:"✓";color:var(--orange);font-weight:800;margin-right:10px}
    .feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .feature-item{padding:21px;background:var(--paper);border-left:3px solid var(--orange);border-radius:10px;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
    .feature-item b{color:var(--purple);display:block;margin-bottom:5px}.feature-item span{color:var(--muted);font-size:14px}
    .faq-list{max-width:880px;margin:auto}.faq-item{border-bottom:1px solid var(--line);padding:4px 0}
    .faq-item summary{cursor:pointer;list-style:none;padding:19px 4px;color:var(--purple);font-weight:700;position:relative;padding-right:35px}
    .faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";position:absolute;right:4px;color:var(--orange);font-size:20px}
    .faq-item[open] summary:after{content:"－"}.faq-answer{padding:0 35px 19px 4px;color:var(--muted);font-size:14px}
    .cta{background:var(--purple);color:#fff;border-radius:20px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{color:#fff;margin:0 0 8px}.cta p{margin:0;color:#d9cedf;font-size:14px}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap}.cta .btn-secondary{border-color:#d6c8dc;color:#fff}
    .footer{background:#241b2e;color:#d9cedf;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
    .footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:12px}.footer p{font-size:14px;color:#afa3b7;max-width:300px}
    .footer h4{font-size:15px;color:#fff;margin:0 0 14px}.footer a{display:block;color:#bdb1c5;font-size:13px;margin:8px 0;transition:.2s}.footer a:hover{color:#f0ad70}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:17px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#9e91a8}
    :focus-visible{outline:3px solid rgba(217,138,72,.45);outline-offset:3px}
    @media(max-width:1024px){.navbar{gap:14px}.brand{min-width:230px}.nav-links a{padding:8px 7px}.guide-layout,.check-layout{grid-template-columns:1fr}.phone-panel{min-height:270px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.navbar{height:70px}.brand{min-width:0;flex:1}.brand-text{font-size:15px}.brand-text small{font-size:10px}.menu-toggle{display:block}.nav-action{padding:9px 12px;font-size:13px}.nav-links{display:none;position:absolute;left:16px;right:16px;top:77px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px}.page-hero{padding:55px 0 48px}.section{padding:58px 0}.section-head{display:block;margin-bottom:24px}.section-intro{margin-top:10px}.scenario-grid{grid-template-columns:1fr}.feature-list{grid-template-columns:1fr}.cta{display:block;padding:30px 25px}.cta-actions{margin-top:22px}.index-bar{border-radius:10px}.index-bar a{padding:14px 18px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}}
    @media(max-width:520px){h1{font-size:34px}.hero-summary{font-size:16px}.hero-meta{margin-top:18px}.phone-panel{min-height:340px}.step-row{grid-template-columns:39px 1fr;padding:17px}.step-number{width:32px;height:32px;font-size:13px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin:5px 0}}