/* roulang page: index */
:root{
  --ivory:#f6f2e9;--paper:#fffdf8;--ink:#18342f;--text:#26312e;--muted:#65706b;
  --copper:#a7643e;--copper-deep:#814a2f;--moss:#6e806a;--mist:#e9ece3;
  --line:#ddd8cd;--soft:#f0ede5;--danger:#9b5748;--shadow:0 14px 34px rgba(45,53,44,.09);
  --shadow-sm:0 7px 18px rgba(45,53,44,.08);--radius:18px;--max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ivory);color:var(--text);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%}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
::selection{background:#d9c1ae;color:var(--ink)}
.container{width:min(var(--max),calc(100% - 64px));margin:auto}
.notice{background:var(--ink);color:#e9ece3;font-size:13px;letter-spacing:.02em}
.notice-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.notice a{color:#fff;border-bottom:1px solid rgba(255,255,255,.55);transition:.2s}
.notice a:hover{color:#e5c2a9}
.site-header{position:sticky;top:0;z-index:50;background:rgba(246,242,233,.94);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 7px 20px rgba(30,46,41,.05)}
.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;min-width:max-content;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:-.02em}
.brand-mark{width:31px;height:31px;border:1.5px solid var(--copper);border-radius:7px;display:grid;place-items:center;color:var(--copper);font-size:12px;font-weight:900;position:relative}
.brand-mark:after{content:"";position:absolute;inset:4px;border-top:1px solid var(--copper);border-bottom:1px solid var(--copper);opacity:.65}
.brand small{display:block;color:var(--muted);font-size:10px;font-weight:700;line-height:1.1;letter-spacing:.1em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{padding:9px 13px;color:var(--muted);font-size:14px;font-weight:700;border-radius:9px;transition:.2s}
.nav-links a:hover,.nav-links a.active{background:var(--mist);color:var(--ink)}
.nav-links a.active{box-shadow:inset 0 -2px var(--copper)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 19px;border:1px solid transparent;border-radius:10px;font-weight:800;font-size:14px;letter-spacing:.01em;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,.menu-toggle:focus-visible,.faq-button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(167,100,62,.42);outline-offset:3px}
.btn-primary{background:var(--copper);color:#fff;box-shadow:0 7px 15px rgba(167,100,62,.18)}
.btn-primary:hover{background:var(--copper-deep);box-shadow:0 11px 21px rgba(167,100,62,.26)}
.btn-outline{color:var(--ink);border-color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink)}
.mobile-panel{display:none}
.hero{padding:56px 0 72px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:68px}
.eyebrow,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--copper);font-weight:800;font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.eyebrow:before,.section-kicker:before{content:"";width:24px;height:1px;background:var(--copper)}
.hero h1{margin:17px 0 18px;color:var(--ink);font-size:clamp(40px,5vw,60px);line-height:1.18;letter-spacing:-.055em;font-weight:900}
.hero h1 em{font-style:normal;color:var(--copper)}
.hero-copy{max-width:570px;margin:0;color:var(--muted);font-size:17px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}
.hero-tags span,.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border:1px solid var(--line);border-radius:999px;color:var(--ink);background:rgba(255,253,248,.7);font-size:12px;font-weight:700}
.hero-tags span:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--moss)}
.hero-visual{min-height:490px;position:relative;padding:27px 24px 23px 0}
.hero-photo{position:absolute;inset:0 0 0 38px;border:1px solid rgba(167,100,62,.65);border-radius:20px;overflow:hidden;background:#53655d}
.hero-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(24,52,47,.33),rgba(24,52,47,.06) 65%)}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.archive-no{position:absolute;z-index:2;right:21px;top:18px;color:#fff;font-size:12px;letter-spacing:.14em;writing-mode:vertical-rl;opacity:.88}
.hero-note{position:absolute;z-index:3;left:0;bottom:0;width:220px;padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow)}
.hero-note strong{display:block;margin-bottom:5px;color:var(--ink);font-size:14px}
.hero-note p{margin:0;color:var(--muted);font-size:12px;line-height:1.65}
.hero-stamp{position:absolute;z-index:3;right:-10px;bottom:35px;width:90px;height:90px;border:1px solid rgba(255,255,255,.8);border-radius:50%;background:rgba(24,52,47,.82);color:#fff;display:grid;place-content:center;text-align:center;font-size:11px;line-height:1.45;letter-spacing:.08em;transform:rotate(10deg)}
.section{padding:94px 0}
.section-head{max-width:670px}
.section-title{margin:12px 0 12px;color:var(--ink);font-size:clamp(29px,3.4vw,40px);line-height:1.25;letter-spacing:-.04em}
.section-intro{margin:0;color:var(--muted);font-size:16px}
.directory{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0}
.directory-grid{display:grid;grid-template-columns:.9fr 2.1fr;gap:54px}
.directory-lead h2{margin:10px 0 0;font-size:28px;line-height:1.35;color:var(--ink);letter-spacing:-.04em}
.directory-list{display:grid;grid-template-columns:repeat(2,1fr);column-gap:28px}
.directory-item{padding:13px 0 19px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:38px 1fr;gap:12px}
.directory-item:nth-last-child(-n+2){border-bottom:0}
.index-no{color:var(--copper);font-size:12px;font-weight:900;letter-spacing:.1em;padding-top:3px}
.directory-item h3{margin:0 0 4px;color:var(--ink);font-size:16px}
.directory-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.story{display:grid;grid-template-columns:1.07fr .93fr;gap:72px;align-items:center}
.story-media{position:relative;padding:0 36px 32px 0}
.story-media>img{height:430px;width:100%;object-fit:cover;border-radius:18px;box-shadow:var(--shadow)}
.info-slip{position:absolute;right:0;bottom:0;width:194px;padding:19px;background:var(--ink);color:#f6f2e9;border-top:3px solid var(--copper);box-shadow:var(--shadow)}
.info-slip span{display:block;margin-bottom:12px;color:#d9dfd5;font-size:11px;letter-spacing:.09em}
.info-slip b{display:block;padding-top:8px;margin-top:8px;border-top:1px solid rgba(255,255,255,.2);font-size:13px}
.story-copy .section-title{margin-bottom:15px}
.story-copy>p{margin:0 0 19px;color:var(--muted)}
.detail-list{margin:24px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
.detail-list li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:flex-start;color:var(--text);font-size:14px}
.detail-list i{width:19px;height:19px;margin-top:4px;border:1px solid var(--copper);border-radius:50%;flex:none;position:relative}
.detail-list i:after{content:"";position:absolute;left:5px;top:3px;width:6px;height:9px;border-right:1.5px solid var(--copper);border-bottom:1.5px solid var(--copper);transform:rotate(40deg)}
.process{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.process:before{content:"";position:absolute;width:460px;height:460px;border:1px solid rgba(255,255,255,.1);border-radius:50%;right:-220px;top:-260px}
.process .section-title{color:#fff}
.process .section-intro{color:#c4cec7}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:43px}
.process-step{position:relative;padding:0 25px 0 22px;min-height:160px;border-left:1px solid rgba(255,255,255,.22)}
.process-step:first-child{border-left:0;padding-left:0}
.process-step:not(:last-child):after{content:"";position:absolute;top:14px;right:-4px;width:7px;height:7px;border-radius:50%;background:var(--copper)}
.process-num{display:block;margin-bottom:18px;color:#dfae8f;font-size:12px;font-weight:900;letter-spacing:.12em}
.process-step h3{margin:0 0 8px;font-size:19px}
.process-step p{margin:0;color:#c4cec7;font-size:13px;line-height:1.7}
.updates{background:var(--soft)}
.updates-layout{display:grid;grid-template-columns:.78fr 1.55fr;gap:80px;align-items:start}
.updates-aside{position:sticky;top:105px}
.updates-aside .btn{margin-top:24px}
.update-list{border-top:1px solid var(--line)}
.update-feature,.update-row{position:relative;display:grid;gap:20px;border-bottom:1px solid var(--line);transition:.2s}
.update-feature{grid-template-columns:96px 1fr;padding:22px 0}
.update-row{grid-template-columns:96px 1fr auto;padding:19px 0;align-items:center}
.update-feature:hover,.update-row:hover{padding-left:10px;background:rgba(255,253,248,.45)}
.date-block{color:var(--copper);font-weight:900;font-size:13px;letter-spacing:.05em}
.date-block small{display:block;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:0}
.update-body .badge{padding:3px 8px;background:var(--mist);border:0;font-size:11px}
.update-body h3{margin:8px 0 6px;color:var(--ink);font-size:18px;line-height:1.45}
.update-row h3{margin:4px 0;color:var(--ink);font-size:16px}
.update-body p{margin:0;color:var(--muted);font-size:13px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.read-link{color:var(--copper);font-size:13px;font-weight:800;white-space:nowrap}
.read-link:after{content:" →";transition:.2s}
.update-feature:hover .read-link:after,.update-row:hover .read-link:after{margin-left:4px}
.empty-state{padding:47px 25px;text-align:center;border:1px dashed #b9b5aa;background:var(--paper);border-radius:var(--radius)}
.empty-icon{width:42px;height:42px;margin:0 auto 12px;border:1px solid var(--copper);border-radius:50%;display:grid;place-items:center;color:var(--copper);font-size:20px}
.empty-state p{color:var(--muted);font-size:14px}
.empty-state .btn{margin:10px 4px 0}
.faq-layout{display:grid;grid-template-columns:.78fr 1.35fr;gap:96px;align-items:start}
.faq-side{position:sticky;top:105px}
.faq-side .btn{margin-top:22px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-button{width:100%;padding:20px 4px;display:flex;align-items:center;justify-content:space-between;gap:20px;border:0;background:none;color:var(--ink);font-weight:800;text-align:left;font-size:16px}
.faq-button span:last-child{width:25px;height:25px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--copper);font-size:20px;font-weight:400;transition:.2s}
.faq-item.open .faq-button span:last-child{transform:rotate(45deg);background:var(--copper);border-color:var(--copper);color:#fff}
.faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s ease}
.faq-answer>div{overflow:hidden}
.faq-answer p{margin:0;padding:0 4px 19px;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{grid-template-rows:1fr}
.contact{padding:0 0 94px}
.contact-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;padding:52px;background:var(--mist);border:1px solid #d8ddd3;border-radius:20px;position:relative;overflow:hidden}
.contact-box:before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--copper)}
.contact-copy .section-title{font-size:36px}
.contact-copy p{max-width:430px;color:var(--muted)}
.contact-meta{display:flex;gap:11px;flex-wrap:wrap;margin-top:24px}
.contact-meta span{padding:5px 9px;border:1px solid #cad2c7;border-radius:999px;color:var(--ink);font-size:12px}
.contact-form{padding:24px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.field{display:block}
.field.full{grid-column:1/-1}
.field label{display:block;margin-bottom:5px;color:var(--ink);font-size:12px;font-weight:800}
.field label b{color:var(--copper)}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:8px;background:#fffefa;color:var(--text);padding:10px 12px;outline:none;transition:.2s}
.field input{height:45px}
.field textarea{height:78px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--copper);box-shadow:0 0 0 3px rgba(167,100,62,.12)}
.form-bottom{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:15px}
.form-bottom small{color:var(--muted);font-size:11px;line-height:1.5}
.site-footer{background:var(--ink);color:#d7dfd8;border-top:3px solid var(--copper)}
.footer-main{padding:55px 0 33px;display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:55px}
.footer-brand{color:#fff}
.footer-brand .brand{color:#fff}
.footer-brand .brand small{color:#b7c3bb}
.footer-brand p{max-width:310px;margin:18px 0 0;color:#b7c3bb;font-size:13px;line-height:1.7}
.footer-title{margin:0 0 15px;color:#fff;font-size:14px}
.footer-links{display:grid;gap:8px}
.footer-links a{color:#b7c3bb;font-size:13px;transition:.2s}
.footer-links a:hover{color:#fff;padding-left:4px}
.contact-lines{display:grid;gap:9px;color:#b7c3bb;font-size:13px}
.contact-lines strong{color:#fff;font-size:12px;letter-spacing:.08em}
.footer-bottom{padding:17px 0;border-top:1px solid rgba(255,255,255,.15);display:flex;justify-content:space-between;gap:18px;color:#9eaea4;font-size:12px}
.footer-bottom a:hover{color:#fff}
.back-top{position:fixed;z-index:40;right:20px;bottom:20px;width:43px;height:43px;border:0;border-radius:11px;background:var(--copper);color:#fff;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);transition:.2s}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--copper-deep);transform:translateY(-2px)}
@media(max-width:1024px){
  .container{width:min(var(--max),calc(100% - 48px))}
  .hero-grid,.story{gap:42px}.updates-layout,.faq-layout{gap:48px}
  .hero-visual{min-height:420px}.directory-grid{gap:35px}
  .contact-box{gap:28px;padding:38px}.footer-main{gap:30px}
}
@media(max-width:767px){
  .container{width:calc(100% - 32px)}
  .notice-inner{min-height:34px;font-size:11px}.notice-inner span{display:none}
  .nav-wrap{height:66px}.nav-links,.nav-wrap>.btn{display:none}.menu-toggle{display:grid;place-items:center}
  .mobile-panel{position:absolute;left:0;right:0;top:66px;padding:13px 16px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-12px);opacity:0;visibility:hidden;transition:.2s}
  .mobile-panel.open{display:grid;gap:7px;transform:translateY(0);opacity:1;visibility:visible}
  .mobile-panel a{padding:11px 12px;border-radius:8px;font-size:14px;font-weight:800;color:var(--ink)}
  .mobile-panel a.active,.mobile-panel a:hover{background:var(--mist)}.mobile-panel .btn{margin-top:5px}
  .hero{padding:40px 0 56px}.hero-grid,.story,.updates-layout,.faq-layout,.contact-box{grid-template-columns:1fr}
  .hero-grid{gap:31px}.hero h1{font-size:41px}.hero-copy{font-size:16px}.hero-visual{min-height:330px;padding:18px 12px 16px 0}.hero-photo{left:20px}
  .hero-note{width:193px;padding:13px}.hero-stamp{width:68px;height:68px;right:-2px;bottom:21px;font-size:9px}
  .section{padding:62px 0}.directory{padding:25px 0}.directory-grid{grid-template-columns:1fr;gap:20px}.directory-list{grid-template-columns:1fr}.directory-item:nth-last-child(2){border-bottom:1px solid var(--line)}
  .story{gap:32px}.story-media{padding-right:22px;padding-bottom:24px}.story-media>img{height:310px}.info-slip{width:166px;padding:14px}.process-grid{grid-template-columns:1fr 1fr;gap:27px;margin-top:34px}.process-step{min-height:130px;padding:0 15px;border-left:1px solid rgba(255,255,255,.22)}.process-step:nth-child(odd){border-left:0;padding-left:0}.process-step:nth-child(2):after{display:none}
  .updates-aside,.faq-side{position:static}.update-feature{grid-template-columns:70px 1fr}.update-row{grid-template-columns:70px 1fr}.update-row .read-link{display:none}
  .contact{padding-bottom:62px}.contact-box{padding:32px 21px}.contact-copy .section-title{font-size:31px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.form-bottom{align-items:flex-start;flex-direction:column}
  .footer-main{grid-template-columns:1fr;gap:30px;padding:40px 0 28px}.footer-bottom{flex-direction:column;gap:5px}.section-title{font-size:30px}
}
@media(max-width:420px){
  .hero h1{font-size:36px}.hero-actions{display:grid}.hero-actions .btn{width:100%}.process-grid{grid-template-columns:1fr}.process-step,.process-step:nth-child(odd){border-left:0;padding-left:0;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:20px}.process-step:last-child{border-bottom:0}.process-step:after{display:none}.update-feature{grid-template-columns:1fr;gap:7px}.date-block small{display:inline;margin-left:8px}.hero-tags span{font-size:11px}
}

/* roulang page: article */
:root{
      --ivory:#f6f2e9;--paper:#fffdf8;--ink:#18342f;--text:#26312e;--muted:#65706b;
      --copper:#a7643e;--copper-deep:#814a2f;--moss:#6e806a;--mist:#e9ece3;
      --line:#ddd8cd;--soft:#f0ede5;--danger:#9b5748;
      --shadow:0 14px 34px rgba(45,53,44,.09);--shadow-sm:0 7px 18px rgba(45,53,44,.08);
      --radius:18px;--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ivory);color:var(--text);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%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 64px));margin:auto}
    .notice{background:var(--ink);color:#f7f1e5;font-size:13px}
    .notice-inner{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .notice a{color:#fff;border-bottom:1px solid rgba(255,255,255,.55);transition:.2s}
    .notice a:hover{color:#e5c2a9}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(246,242,233,.95);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:.25s}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 7px 20px rgba(30,46,41,.05)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:max-content;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:-.02em}
    .brand-mark{width:31px;height:31px;border:1.5px solid var(--copper);border-radius:7px;display:grid;place-items:center;color:var(--copper);font-size:12px;font-weight:900;position:relative}
    .brand-mark:after{content:"";position:absolute;inset:4px;border-top:1px solid var(--copper);border-bottom:1px solid var(--copper);opacity:.65}
    .brand small{display:block;color:var(--muted);font-size:10px;font-weight:700;line-height:1.1;letter-spacing:.1em}
    .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
    .nav-links a{padding:9px 13px;color:var(--muted);font-size:14px;font-weight:700;border-radius:9px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:var(--mist);color:var(--ink)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--copper)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 19px;border:1px solid transparent;border-radius:10px;font-weight:800;font-size:14px;letter-spacing:.01em;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,.menu-toggle:focus-visible,.toc-link:focus-visible{outline:3px solid rgba(167,100,62,.42);outline-offset:3px}
    .btn-primary{background:var(--copper);color:#fff;box-shadow:0 7px 15px rgba(167,100,62,.18)}
    .btn-primary:hover{background:var(--copper-deep);box-shadow:0 11px 21px rgba(167,100,62,.26)}
    .btn-outline{color:var(--ink);border-color:var(--ink);background:transparent}
    .btn-outline:hover{background:var(--ink);color:#fff}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink)}
    .mobile-panel{display:none}
    .article-hero{padding:72px 0 68px;background:var(--mist);border-bottom:1px solid var(--line)}
    .breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:13px;margin-bottom:30px}
    .breadcrumbs a{color:var(--ink);font-weight:700}
    .breadcrumbs a:hover{color:var(--copper)}
    .crumb-arrow{color:var(--copper)}
    .article-heading{max-width:900px}
    .eyebrow{display:flex;align-items:center;gap:10px;color:var(--copper);font-weight:800;font-size:12px;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:1px;background:var(--copper)}
    .article-heading h1{margin:16px 0 17px;color:var(--ink);font-size:clamp(36px,5vw,58px);line-height:1.25;letter-spacing:-.055em;font-weight:900}
    .article-lead{max-width:780px;margin:0;color:var(--muted);font-size:17px;line-height:1.85}
    .article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px 22px;margin-top:26px;color:var(--muted);font-size:13px}
    .badge{display:inline-flex;align-items:center;padding:5px 11px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink);font-size:12px;font-weight:800}
    .article-layout{display:grid;grid-template-columns:250px minmax(0,820px);gap:64px;align-items:start;padding:78px 0 94px}
    .article-aside{position:sticky;top:110px}
    .aside-card{padding:22px 20px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .aside-label{margin:0 0 14px;color:var(--copper);font-size:12px;font-weight:900;letter-spacing:.12em}
    .aside-title{margin:0 0 16px;color:var(--ink);font-size:18px;font-weight:900}
    .toc{display:flex;flex-direction:column;gap:4px;border-top:1px solid var(--line);padding-top:12px}
    .toc-link{padding:8px 9px;border-left:2px solid transparent;color:var(--muted);font-size:13px;line-height:1.5;transition:.2s}
    .toc-link:hover,.toc-link.active{border-color:var(--copper);background:var(--mist);color:var(--ink)}
    .aside-note{margin:22px 0 0;padding-top:17px;border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.7}
    .article-content{min-width:0;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:clamp(25px,5vw,58px);box-shadow:var(--shadow-sm)}
    .article-content h2{margin:38px 0 15px;color:var(--ink);font-size:30px;line-height:1.4;letter-spacing:-.035em}
    .article-content h3{margin:29px 0 11px;color:var(--ink);font-size:22px;line-height:1.45}
    .article-content h2:first-child{margin-top:0}
    .article-content p{margin:0 0 19px;color:var(--text);line-height:1.95}
    .article-content strong{color:var(--ink);font-weight:900}
    .article-content a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--copper);text-underline-offset:4px}
    .article-content a:hover{color:var(--copper-deep)}
    .article-content ul,.article-content ol{margin:16px 0 24px;padding-left:25px}
    .article-content li{margin:8px 0;padding-left:5px;line-height:1.8}
    .article-content blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--copper);background:var(--mist);color:var(--ink);font-size:17px}
    .article-content img{width:100%;height:auto;margin:27px 0 9px;border-radius:16px}
    .article-content figcaption{color:var(--muted);font-size:13px;text-align:center;margin-bottom:25px}
    .article-content hr{margin:35px 0;border:0;border-top:1px solid var(--line)}
    .not-found{padding:55px 20px;text-align:center}
    .not-found h2{margin:0 0 13px;color:var(--ink);font-size:28px}
    .not-found p{color:var(--muted);margin:0 0 24px}
    .article-info{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;margin-top:27px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}
    .article-info strong{color:var(--ink)}
    .related-section{padding:0 0 94px}
    .related-box{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:31px 36px;background:var(--ink);border-radius:var(--radius);color:#fff}
    .related-box h2{margin:0 0 5px;font-size:25px;line-height:1.4}
    .related-box p{margin:0;color:rgba(255,255,255,.72);font-size:14px}
    .related-box .btn-outline{border-color:#e8dfd0;color:#fff}
    .related-box .btn-outline:hover{background:#fff;color:var(--ink)}
    .site-footer{padding:58px 0 0;background:var(--ink);color:#f6f2e9;border-top:3px solid var(--copper)}
    .footer-main{display:grid;grid-template-columns:1.5fr .8fr 1fr;gap:55px;padding-bottom:45px}
    .footer-brand .brand{color:#fff}
    .footer-brand .brand small{color:rgba(255,255,255,.55)}
    .footer-brand p{max-width:300px;margin:19px 0 0;color:rgba(255,255,255,.68);font-size:14px}
    .footer-title{margin:4px 0 15px;font-size:15px;color:#fff}
    .footer-links{display:flex;flex-direction:column;gap:8px}
    .footer-links a{color:rgba(255,255,255,.67);font-size:14px;transition:.2s}
    .footer-links a:hover{color:#e5c2a9;padding-left:4px}
    .contact-lines{display:flex;flex-direction:column;gap:7px;color:rgba(255,255,255,.67);font-size:13px}
    .contact-lines strong{color:#fff;font-size:14px}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;padding:18px 0;border-top:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.52);font-size:12px}
    .footer-bottom a:hover{color:#fff}
    .to-top{position:fixed;right:24px;bottom:24px;width:42px;height:42px;border:0;border-radius:10px;background:var(--copper);color:#fff;opacity:0;pointer-events:none;transition:.25s;box-shadow:var(--shadow-sm)}
    .to-top.visible{opacity:1;pointer-events:auto}
    @media (max-width:1024px){
      .article-layout{grid-template-columns:205px minmax(0,1fr);gap:35px}
      .footer-main{gap:30px}
    }
    @media (max-width:767px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .notice-inner{min-height:38px;font-size:12px}
      .notice-inner span:last-child{display:none}
      .nav-wrap{height:68px}
      .nav-links,.nav-wrap>.btn{display:none}
      .menu-toggle{display:block}
      .mobile-panel{position:absolute;left:0;right:0;top:68px;padding:14px 16px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);z-index:49}
      .mobile-panel.open{display:block}
      .mobile-panel a{display:block;padding:12px 10px;border-bottom:1px solid var(--line);color:var(--ink);font-weight:700}
      .mobile-panel .btn{width:100%;margin-top:15px}
      .article-hero{padding:48px 0 44px}
      .breadcrumbs{margin-bottom:23px}
      .article-heading h1{font-size:38px}
      .article-lead{font-size:15px}
      .article-layout{display:block;padding:48px 0 62px}
      .article-aside{position:static;margin-bottom:20px}
      .aside-card{padding:17px}
      .toc{display:none}
      .aside-card.open .toc{display:flex}
      .aside-title{display:flex;justify-content:space-between;align-items:center;margin:0}
      .aside-title:after{content:"＋";color:var(--copper);font-size:22px}
      .aside-card.open .aside-title:after{content:"－"}
      .aside-note{display:none}
      .article-content{padding:25px 20px}
      .article-content h2{font-size:26px}
      .article-content h3{font-size:20px}
      .related-section{padding-bottom:65px}
      .related-box{display:block;padding:26px 22px}
      .related-box .btn{margin-top:20px}
      .footer-main{grid-template-columns:1fr;gap:29px;padding-bottom:32px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin:6px 0}
      .to-top{right:16px;bottom:16px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category1 */
:root{
      --ivory:#f6f2e9;--paper:#fffdf8;--ink:#18342f;--text:#26312e;--muted:#65706b;
      --copper:#a7643e;--copper-deep:#814a2f;--moss:#6e806a;--mist:#e9ece3;
      --line:#ddd8cd;--soft:#f0ede5;--danger:#9b5748;
      --shadow:0 14px 34px rgba(45,53,44,.09);--shadow-sm:0 7px 18px rgba(45,53,44,.08);
      --radius:18px;--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ivory);color:var(--text);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}
    a:hover{color:var(--copper)}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 64px));margin:auto}
    .notice{background:var(--ink);color:#f8f3e9;font-size:13px}
    .notice-inner{min-height:35px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .notice a{color:#fff;border-bottom:1px solid rgba(255,255,255,.55)}
    .notice a:hover{color:#e5c2a9}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(246,242,233,.95);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:.25s}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 7px 20px rgba(30,46,41,.05)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:max-content;color:var(--ink);font-weight:800;font-size:17px}
    .brand-mark{width:31px;height:31px;border:1.5px solid var(--copper);border-radius:7px;display:grid;place-items:center;color:var(--copper);font-size:12px;font-weight:900;position:relative}
    .brand-mark:after{content:"";position:absolute;inset:4px;border-top:1px solid var(--copper);border-bottom:1px solid var(--copper);opacity:.65}
    .brand small{display:block;color:var(--muted);font-size:10px;font-weight:700;line-height:1.1;letter-spacing:.1em}
    .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
    .nav-links a{padding:9px 13px;color:var(--muted);font-size:14px;font-weight:700;border-radius:9px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:var(--mist);color:var(--ink)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--copper)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 19px;border:1px solid transparent;border-radius:10px;font-weight:800;font-size:14px;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,.menu-toggle:focus-visible,.faq-button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(167,100,62,.42);outline-offset:3px}
    .btn-primary{background:var(--copper);color:#fff;box-shadow:0 7px 15px rgba(167,100,62,.18)}
    .btn-primary:hover{background:var(--copper-deep);color:#fff;box-shadow:0 11px 21px rgba(167,100,62,.26)}
    .btn-outline{color:var(--ink);border-color:var(--ink);background:transparent}
    .btn-outline:hover{background:var(--ink);color:#fff}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink)}
    .mobile-panel{display:none}
    .page-banner{position:relative;overflow:hidden;padding:76px 0 82px;background:var(--mist)}
    .page-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(233,236,227,.98) 0%,rgba(233,236,227,.9) 48%,rgba(24,52,47,.24) 100%);pointer-events:none}
    .banner-image{position:absolute;right:0;top:0;width:47%;height:100%;object-fit:cover;opacity:.82}
    .banner-content{position:relative;z-index:1;max-width:720px}
    .eyebrow,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--copper);font-weight:800;font-size:12px;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:1px;background:var(--copper)}
    .breadcrumb{display:flex;gap:9px;align-items:center;margin-bottom:24px;color:var(--muted);font-size:13px}
    .breadcrumb a:hover{color:var(--copper)}
    .page-banner h1{margin:0 0 18px;color:var(--ink);font-size:clamp(38px,5vw,58px);line-height:1.2;letter-spacing:-.055em;font-weight:900}
    .page-banner p{max-width:620px;margin:0;color:var(--muted);font-size:17px}
    .section{padding:96px 0}
    .section-title{margin:12px 0 14px;color:var(--ink);font-size:clamp(29px,3.4vw,40px);line-height:1.25;letter-spacing:-.04em}
    .section-intro{max-width:670px;margin:0;color:var(--muted);font-size:16px}
    .service-layout{display:grid;grid-template-columns:230px 1fr;gap:72px;align-items:start}
    .side-nav{position:sticky;top:110px;border-left:1px solid var(--line)}
    .side-nav a{display:block;padding:10px 18px;color:var(--muted);font-size:14px;border-left:2px solid transparent;transition:.2s}
    .side-nav a:hover,.side-nav a.active{color:var(--ink);border-left-color:var(--copper);background:var(--soft);font-weight:800}
    .content-block{margin-bottom:78px;scroll-margin-top:110px}
    .content-block:last-child{margin-bottom:0}
    .content-block h2{margin:9px 0 15px;color:var(--ink);font-size:31px;line-height:1.35;letter-spacing:-.035em}
    .content-block>p{max-width:760px;color:var(--muted);margin:0 0 27px}
    .intro-panel{padding:30px 32px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .intro-panel p{margin:0;color:var(--text)}
    .scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .scene-card{padding:25px;background:var(--paper);border:1px solid var(--line);border-radius:16px;transition:.25s}
    .scene-card:hover{transform:translateY(-4px);border-color:var(--moss);box-shadow:var(--shadow)}
    .badge{padding:4px 9px;background:var(--mist);border:0;color:var(--ink);font-size:11px}
    .scene-card h3{margin:18px 0 7px;color:var(--ink);font-size:20px}
    .scene-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .scene-card a{display:inline-block;margin-top:17px;color:var(--copper);font-size:13px;font-weight:800}
    .service-item{display:grid;grid-template-columns:74px 1fr 220px;gap:25px;align-items:center;padding:25px 0;border-top:1px solid var(--line)}
    .service-item:last-child{border-bottom:1px solid var(--line)}
    .service-no{color:var(--copper);font-size:28px;font-weight:900;line-height:1}
    .service-item h3{margin:0 0 5px;color:var(--ink);font-size:21px}
    .service-item p{margin:0;color:var(--muted);font-size:14px}
    .service-item img{width:220px;height:128px;object-fit:cover;border-radius:13px}
    .process-band{padding:75px 0;background:var(--ink);color:#fff}
    .process-band .section-kicker{color:#d8a17f}
    .process-band .section-title{color:#fff}
    .process-band .section-intro{color:rgba(255,255,255,.68)}
    .process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:44px}
    .process-step{position:relative;padding:0 25px 0 0}
    .process-step:not(:last-child):after{content:"";position:absolute;top:16px;left:43px;right:20px;height:1px;background:rgba(216,161,127,.5)}
    .process-dot{position:relative;z-index:1;width:34px;height:34px;display:grid;place-items:center;border:1px solid #d8a17f;border-radius:50%;background:var(--ink);color:#e3bda6;font-size:12px;font-weight:800}
    .process-step h3{margin:23px 0 7px;font-size:18px;color:#fff}
    .process-step p{margin:0;color:rgba(255,255,255,.66);font-size:13px;line-height:1.7}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-button{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px 0;background:none;border:0;text-align:left;color:var(--ink);font-size:16px;font-weight:800}
    .faq-icon{width:25px;height:25px;display:grid;place-items:center;border:1px solid var(--copper);border-radius:50%;color:var(--copper);font-size:18px;line-height:1;transition:.2s}
    .faq-answer{display:none;padding:0 45px 20px 0;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--copper);color:#fff}
    .contact-cta{padding:48px;background:var(--mist);border:1px solid #d8dfd3;border-radius:20px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .contact-cta h2{margin:8px 0 8px;color:var(--ink);font-size:30px}
    .contact-cta p{margin:0;color:var(--muted);max-width:650px}
    .site-footer{padding-top:52px;background:var(--ink);color:#fff;border-top:3px solid var(--copper)}
    .footer-main{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:55px;padding-bottom:42px}
    .footer-brand .brand{color:#fff}
    .footer-brand .brand small{color:rgba(255,255,255,.58)}
    .footer-brand p{max-width:310px;margin:18px 0 0;color:rgba(255,255,255,.64);font-size:14px}
    .footer-title{margin:0 0 15px;color:#e5c2a9;font-size:14px}
    .footer-links{display:grid;gap:7px}
    .footer-links a,.contact-lines span{color:rgba(255,255,255,.66);font-size:13px;transition:.2s}
    .footer-links a:hover{color:#fff;padding-left:3px}
    .contact-lines{display:grid;gap:7px}
    .contact-lines strong{font-size:14px;color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:19px 0;border-top:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.5);font-size:12px}
    .footer-bottom a{color:rgba(255,255,255,.72)}
    .footer-bottom a:hover{color:#fff}
    .back-top{position:fixed;right:22px;bottom:22px;z-index:20;width:42px;height:42px;border:0;border-radius:10px;background:var(--copper);color:#fff;box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transition:.2s}
    .back-top.show{opacity:1;pointer-events:auto}
    @media(max-width:1024px){
      .container{width:min(var(--max),calc(100% - 48px))}
      .service-layout{gap:40px}
      .service-item{grid-template-columns:60px 1fr 170px}
      .service-item img{width:170px;height:110px}
    }
    @media(max-width:767px){
      .container{width:calc(100% - 32px)}
      .notice-inner{min-height:38px;font-size:12px}
      .notice-inner span:last-child{display:none}
      .nav-wrap{height:68px}
      .nav-links,.nav-wrap>.btn{display:none}
      .menu-toggle{display:block}
      .mobile-panel{position:absolute;top:68px;left:0;right:0;padding:12px 16px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);z-index:40}
      .mobile-panel.open{display:block}
      .mobile-panel a{display:block;padding:11px 6px;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px;font-weight:700}
      .mobile-panel a.active{color:var(--copper)}
      .mobile-panel .btn{width:100%;margin-top:13px}
      .page-banner{padding:55px 0 60px}
      .banner-image{width:100%;opacity:.16}
      .page-banner:after{background:rgba(233,236,227,.88)}
      .page-banner h1{font-size:40px}
      .page-banner p{font-size:15px}
      .section{padding:65px 0}
      .service-layout{display:block}
      .side-nav{position:static;display:flex;overflow-x:auto;border:1px solid var(--line);border-radius:11px;margin-bottom:48px;background:var(--paper)}
      .side-nav a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent;padding:10px 14px}
      .side-nav a:hover,.side-nav a.active{border-left:0;border-bottom-color:var(--copper)}
      .content-block{margin-bottom:58px}
      .content-block h2{font-size:27px}
      .scene-grid{grid-template-columns:1fr}
      .service-item{grid-template-columns:45px 1fr;gap:15px}
      .service-item img{grid-column:2;width:100%;height:150px}
      .process-list{grid-template-columns:1fr;gap:28px}
      .process-step{padding:0 0 0 52px}
      .process-step:not(:last-child):after{left:16px;top:35px;bottom:-28px;width:1px;height:auto}
      .process-step h3{margin:0 0 5px}
      .process-dot{position:absolute;left:0;top:0}
      .contact-cta{display:block;padding:30px 24px}
      .contact-cta h2{font-size:26px}
      .contact-cta .btn{margin-top:22px;width:100%}
      .footer-main{grid-template-columns:1fr;gap:30px;padding-bottom:32px}
      .footer-bottom{display:block;line-height:2}
      .footer-bottom span{display:block}
      .footer-bottom span+span{margin-top:6px}
    }