/* roulang page: index */
:root{
  --ink:#262825;
  --ink-soft:#4f554e;
  --paper:#f7f4ed;
  --white:#fffdf8;
  --mist:#ece9df;
  --line:#d9d4c8;
  --terra:#b85e3a;
  --terra-dark:#924426;
  --sage:#788576;
  --sage-light:#dfe5d9;
  --sand:#e9dfcd;
  --shadow:0 16px 38px rgba(42,39,31,.09);
  --shadow-sm:0 8px 20px rgba(42,39,31,.07);
  --radius:16px;
  --radius-sm:9px;
  --container:1200px;
  --ease:180ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.72;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(184,94,58,.42);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,248,.94);border-bottom:1px solid rgba(217,212,200,.92);backdrop-filter:blur(12px)}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{width:35px;height:35px;border:2px solid var(--terra);border-radius:7px;display:grid;place-items:center;color:var(--terra);font-weight:800;font-size:15px;line-height:1;box-shadow:inset 0 0 0 3px var(--white)}
.brand-copy{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.35px;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--ink-soft);letter-spacing:.08em;margin-top:3px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:7px}
.main-nav a{padding:9px 14px;border-radius:7px;font-size:14px;font-weight:650;color:var(--ink-soft);position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--terra-dark);background:#f2e7dc}
.main-nav a.active:after{content:"";height:2px;position:absolute;bottom:3px;left:14px;right:14px;background:var(--terra)}
.header-action{padding:10px 15px;border-radius:8px;background:var(--ink);color:#fff;font-size:13px;font-weight:700;white-space:nowrap}
.header-action:hover{background:var(--terra-dark);transform:translateY(-1px)}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:8px;background:var(--white);color:var(--ink)}
.menu-toggle span,.menu-toggle:before,.menu-toggle:after{content:"";display:block;width:18px;height:2px;margin:4px auto;background:currentColor;transition:var(--ease)}
.hero{position:relative;overflow:hidden;min-height:650px;background:#292c27 url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(27,29,26,.9) 0%,rgba(29,31,28,.75) 43%,rgba(29,31,28,.23) 100%)}
.hero:after{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(233,223,205,.28);border-radius:50%;right:-110px;bottom:-220px}
.hero-inner{position:relative;z-index:1;min-height:650px;padding:94px 0 58px;display:grid;grid-template-columns:minmax(0,7fr) minmax(280px,4fr);align-items:end;gap:65px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:6px 10px;border:1px solid rgba(255,255,255,.31);border-radius:5px;background:rgba(255,255,255,.09);font-size:12px;letter-spacing:.11em;font-weight:700}
.eyebrow i{display:block;width:7px;height:7px;border-radius:50%;background:#e6a67d}
.hero h1{max-width:760px;margin:19px 0 17px;font-size:clamp(42px,5vw,62px);line-height:1.17;letter-spacing:-.055em;font-weight:800}
.hero h1 em{font-style:normal;color:#efb082}
.hero-text{max-width:660px;margin:0;color:rgba(255,255,255,.84);font-size:18px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:31px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:47px;padding:11px 19px;border:1px solid transparent;border-radius:8px;font-size:14px;font-weight:750}
.btn-primary{background:var(--terra);color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.16)}
.btn-primary:hover{background:#d06a41;transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.2)}
.btn-secondary{border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.08);color:#fff}
.btn-secondary:hover{background:rgba(255,255,255,.18);border-color:#fff;transform:translateY(-2px)}
.hero-panel{align-self:end;padding:27px;border:1px solid rgba(255,255,255,.25);background:rgba(24,26,23,.48);backdrop-filter:blur(7px);border-radius:var(--radius)}
.panel-kicker{margin:0 0 13px;color:#edb28d;font-size:12px;font-weight:800;letter-spacing:.13em}
.hero-panel h2{margin:0 0 14px;font-size:24px;line-height:1.38}
.hero-panel p{margin:0;color:rgba(255,255,255,.75);font-size:14px;line-height:1.75}
.panel-link{display:inline-flex;align-items:center;gap:7px;margin-top:20px;padding-bottom:3px;border-bottom:1px solid rgba(255,255,255,.58);font-size:14px;font-weight:700}
.panel-link:hover{color:#f4bd99;transform:translateX(3px)}
.section{padding:104px 0}
.section-soft{background:#efede6}
.section-white{background:var(--white)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:37px}
.section-kicker{display:flex;align-items:center;gap:9px;margin:0 0 10px;color:var(--terra-dark);font-size:12px;font-weight:800;letter-spacing:.12em}
.section-kicker:before{content:"";width:24px;height:2px;background:var(--terra)}
.section-title{margin:0;font-size:clamp(29px,3.3vw,40px);line-height:1.28;letter-spacing:-.045em}
.section-intro{max-width:430px;margin:0;color:var(--ink-soft);font-size:15px}
.overview{padding:76px 0 88px}
.overview-grid{display:grid;grid-template-columns:4fr 8fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.overview-intro{padding:34px 42px 35px 0;border-right:1px solid var(--line)}
.overview-intro h2{margin:0 0 15px;font-size:27px;line-height:1.4}
.overview-intro p{margin:0;color:var(--ink-soft);font-size:15px}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr)}
.feature-item{padding:30px 31px;border-bottom:1px solid var(--line)}
.feature-item:nth-child(odd){border-right:1px solid var(--line)}
.feature-item:nth-last-child(-n+2){border-bottom:0}
.feature-no{display:block;margin-bottom:9px;color:var(--terra);font-size:12px;font-weight:800;letter-spacing:.13em}
.feature-item h3{margin:0 0 7px;font-size:18px}
.feature-item p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.72}
.badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:999px;background:var(--sage-light);color:#4f604d;font-size:12px;font-weight:750}
.signboard-layout{display:grid;grid-template-columns:5fr 7fr;gap:54px;align-items:center}
.image-frame{position:relative;padding:0 0 25px 25px}
.image-frame:before{content:"";position:absolute;left:0;bottom:0;width:73%;height:78%;background:var(--sand)}
.image-frame img{position:relative;z-index:1;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.stamp{position:absolute;z-index:2;top:20px;right:-15px;width:93px;height:93px;border:2px solid var(--terra);border-radius:50%;display:grid;place-items:center;background:var(--paper);color:var(--terra);font-size:13px;font-weight:800;line-height:1.35;text-align:center;transform:rotate(10deg)}
.signboard-content{padding:18px 0}
.signboard-content h2{margin:0 0 17px;font-size:clamp(30px,3.2vw,42px);line-height:1.3;letter-spacing:-.04em}
.signboard-content>p{margin:0 0 26px;color:var(--ink-soft)}
.detail-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.detail-list li{display:grid;grid-template-columns:105px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);font-size:14px}
.detail-list strong{color:var(--terra-dark)}
.text-link{display:inline-flex;align-items:center;gap:7px;margin-top:23px;color:var(--terra-dark);font-size:14px;font-weight:800}
.text-link:hover{color:var(--ink);transform:translateX(4px)}
.topic-grid{display:grid;grid-template-columns:7fr 5fr;gap:22px}
.topic-main,.topic-side{position:relative;overflow:hidden;border-radius:var(--radius);min-height:380px}
.topic-main{background:#32342f}
.topic-main img,.topic-side img{width:100%;height:100%;object-fit:cover;opacity:.66;transition:transform .45s ease}
.topic-main:hover img,.topic-side:hover img{transform:scale(1.045)}
.topic-main:after,.topic-side:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(23,25,22,.82),rgba(23,25,22,.03) 65%)}
.topic-copy{position:absolute;z-index:1;left:31px;right:31px;bottom:29px;color:#fff}
.topic-copy .badge{background:rgba(230,166,125,.88);color:#402719}
.topic-copy h3{margin:12px 0 8px;font-size:28px;line-height:1.35}
.topic-copy p{margin:0;color:rgba(255,255,255,.78);font-size:14px}
.topic-side{display:grid;grid-template-rows:1fr 1fr;gap:22px;background:transparent;overflow:visible}
.topic-small{position:relative;overflow:hidden;min-height:179px;border-radius:var(--radius);background:#3b403a}
.topic-small:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(32,35,31,.8),rgba(32,35,31,.16))}
.topic-small .topic-copy{left:23px;right:23px;bottom:21px}
.topic-small .topic-copy h3{font-size:20px;margin:8px 0 0}
.topic-small .topic-copy p{display:none}
.updates-layout{display:grid;grid-template-columns:4fr 8fr;gap:50px}
.update-aside{padding:29px;border-radius:var(--radius);background:var(--ink);color:#fff;align-self:start}
.update-aside h2{margin:13px 0;font-size:29px;line-height:1.35}
.update-aside p{margin:0;color:rgba(255,255,255,.72);font-size:14px}
.update-aside .btn{width:100%;margin-top:23px;background:var(--terra);color:#fff}
.update-aside .btn:hover{background:#d36d42;transform:translateY(-2px)}
.update-list{border-top:1px solid var(--line)}
.update-item{display:grid;grid-template-columns:114px 1fr auto;align-items:center;gap:22px;padding:23px 0;border-bottom:1px solid var(--line)}
.update-date{color:var(--ink-soft);font-size:13px;line-height:1.55}
.update-date span{display:block;color:var(--terra-dark);font-size:12px;font-weight:800;letter-spacing:.07em}
.update-body h3{margin:0 0 6px;font-size:18px;line-height:1.45}
.update-body h3 a:hover{color:var(--terra-dark)}
.update-body p{display:-webkit-box;overflow:hidden;margin:0;color:var(--ink-soft);font-size:14px;line-height:1.65;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.read-arrow{width:37px;height:37px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--terra-dark);font-size:18px}
.update-item:hover .read-arrow{background:var(--terra);border-color:var(--terra);color:#fff;transform:translateX(3px)}
.empty-state{padding:44px 28px;border:1px dashed #c7c0b2;border-radius:var(--radius);background:#faf8f2;color:var(--ink-soft);text-align:center}
.path-section{padding:94px 0;background:var(--white)}
.path-row{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.path-item{min-height:220px;padding:27px 25px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background var(--ease)}
.path-item:hover{background:#f3eee4}
.path-no{display:block;margin-bottom:38px;color:var(--sage);font-size:13px;font-weight:800;letter-spacing:.1em}
.path-item h3{margin:0 0 9px;font-size:18px}
.path-item p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.68}
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:62px;align-items:start}
.faq-lead h2{margin:0 0 16px;font-size:37px;line-height:1.3;letter-spacing:-.04em}
.faq-lead p{margin:0;color:var(--ink-soft);font-size:15px}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{position:relative;padding:20px 42px 20px 0;list-style:none;font-size:17px;font-weight:750;cursor:pointer}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:4px;top:17px;color:var(--terra);font-size:25px;font-weight:400;transition:transform var(--ease)}
.faq-list details[open] summary:after{transform:rotate(45deg)}
.faq-answer{padding:0 34px 21px 0;color:var(--ink-soft);font-size:15px;line-height:1.85}
.cta-wrap{padding:0 0 104px;background:var(--paper)}
.cta{position:relative;overflow:hidden;display:grid;grid-template-columns:1fr auto;align-items:center;gap:32px;padding:48px 54px;border-radius:var(--radius);background:var(--terra);color:#fff}
.cta:after{content:"";position:absolute;width:310px;height:310px;right:-90px;top:-178px;border:1px solid rgba(255,255,255,.28);border-radius:50%}
.cta-copy{position:relative;z-index:1}
.cta-copy p{margin:0 0 8px;color:rgba(255,255,255,.77);font-size:13px;font-weight:700;letter-spacing:.08em}
.cta-copy h2{margin:0;font-size:32px;line-height:1.35}
.cta .btn{position:relative;z-index:1;background:var(--white);color:var(--terra-dark)}
.cta .btn:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.site-footer{background:#242622;color:#e8e5dc}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:62px 0 42px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-sub{color:#c9c6bb}
.footer-brand p{max-width:330px;margin:18px 0 0;color:#bdbbb1;font-size:14px;line-height:1.75}
.footer-col h3{margin:2px 0 14px;color:#f7f4ed;font-size:14px}
.footer-col a{display:block;width:max-content;max-width:100%;margin:8px 0;color:#bdbbb1;font-size:14px}
.footer-col a:hover{color:#efae86;transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;padding:19px 0;border-top:1px solid rgba(255,255,255,.13);color:#9e9f96;font-size:12px}
.mobile-nav{display:none}
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1.25fr .75fr;gap:34px}
  .signboard-layout,.updates-layout,.faq-layout{gap:34px}
  .topic-grid{gap:16px}
  .topic-side{gap:16px}
  .footer-main{grid-template-columns:1.5fr 1fr 1fr}
}
@media(max-width:768px){
  .container{width:min(calc(100% - 32px),var(--container))}
  .header-inner{height:68px}
  .main-nav,.header-action{display:none}
  .menu-toggle{display:block}
  .mobile-nav{display:none;padding:5px 16px 18px;border-top:1px solid var(--line);background:var(--white)}
  .mobile-nav.open{display:grid}
  .mobile-nav a{padding:13px 10px;border-bottom:1px solid var(--mist);font-size:15px;font-weight:700}
  .mobile-nav a:last-child{border:0}
  .hero{min-height:auto}
  .hero-inner{min-height:0;padding:70px 0 50px;display:block}
  .hero h1{font-size:43px}
  .hero-text{font-size:16px}
  .hero-panel{margin-top:38px}
  .section{padding:68px 0}
  .section-head{display:block;margin-bottom:28px}
  .section-intro{margin-top:14px}
  .overview{padding:58px 0 68px}
  .overview-grid{grid-template-columns:1fr}
  .overview-intro{padding:26px 0;border-right:0;border-bottom:1px solid var(--line)}
  .feature-list{grid-template-columns:1fr 1fr}
  .signboard-layout,.updates-layout,.faq-layout{grid-template-columns:1fr;gap:28px}
  .topic-grid{grid-template-columns:1fr}
  .topic-main{min-height:355px}
  .topic-side{grid-template-columns:1fr 1fr;grid-template-rows:none}
  .path-row{grid-template-columns:1fr 1fr}
  .footer-main{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
  .brand-name{font-size:16px}
  .brand-sub{font-size:10px}
  .hero-inner{padding-top:56px}
  .hero h1{font-size:35px}
  .hero-actions{display:grid;grid-template-columns:1fr}
  .btn{width:100%}
  .hero-panel{padding:22px}
  .section-title{font-size:29px}
  .feature-list,.path-row,.topic-side{grid-template-columns:1fr}
  .feature-item,.feature-item:nth-child(odd){border-right:0}
  .feature-item:nth-last-child(2){border-bottom:1px solid var(--line)}
  .image-frame{padding:0 0 17px 17px}
  .stamp{right:-4px;width:76px;height:76px;font-size:11px}
  .topic-main{min-height:330px}
  .topic-small{min-height:180px}
  .topic-copy{left:21px;right:21px;bottom:21px}
  .topic-copy h3{font-size:23px}
  .update-item{grid-template-columns:1fr auto;gap:12px;padding:19px 0}
  .update-date{grid-column:1/-1}
  .update-body h3{font-size:16px}
  .update-body p{font-size:13px}
  .path-item{min-height:0;padding:23px}
  .path-no{margin-bottom:22px}
  .faq-lead h2{font-size:30px}
  .faq-list summary{font-size:16px}
  .cta{grid-template-columns:1fr;padding:34px 25px;gap:22px}
  .cta-copy h2{font-size:27px}
  .footer-main{grid-template-columns:1fr;padding:47px 0 30px}
  .footer-brand{grid-column:auto}
  .footer-bottom{display:block;line-height:1.8}
}

/* roulang page: article */
:root{
  --ink:#262825;--ink-soft:#4f554e;--paper:#f7f4ed;--white:#fffdf8;--mist:#ece9df;
  --line:#d9d4c8;--terra:#b85e3a;--terra-dark:#924426;--sage:#788576;--sage-light:#dfe5d9;
  --sand:#e9dfcd;--shadow:0 16px 38px rgba(42,39,31,.09);--shadow-sm:0 8px 20px rgba(42,39,31,.07);
  --radius:16px;--radius-sm:9px;--container:1200px;--ease:180ms ease
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(184,94,58,.42);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,248,.94);border-bottom:1px solid rgba(217,212,200,.92);backdrop-filter:blur(12px)}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{width:35px;height:35px;border:2px solid var(--terra);border-radius:7px;display:grid;place-items:center;color:var(--terra);font-weight:800;font-size:15px;line-height:1;box-shadow:inset 0 0 0 3px var(--white)}
.brand-copy{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.35px;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--ink-soft);letter-spacing:.08em;margin-top:3px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:7px}
.main-nav a{padding:9px 14px;border-radius:7px;font-size:14px;font-weight:650;color:var(--ink-soft);position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--terra-dark);background:#f2e7dc}
.main-nav a.active:after{content:"";height:2px;position:absolute;bottom:3px;left:14px;right:14px;background:var(--terra)}
.header-action{padding:10px 15px;border-radius:8px;background:var(--ink);color:#fff;font-size:13px;font-weight:700;white-space:nowrap}
.header-action:hover{background:var(--terra-dark);transform:translateY(-1px)}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:8px;background:var(--white);color:var(--ink)}
.menu-toggle span,.menu-toggle:before,.menu-toggle:after{content:"";display:block;width:18px;height:2px;margin:4px auto;background:currentColor}
.article-hero{position:relative;overflow:hidden;background:#30332d url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff}
.article-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(28,30,26,.92),rgba(28,30,26,.79) 54%,rgba(28,30,26,.48))}
.article-hero:after{content:"";position:absolute;width:410px;height:410px;right:-130px;top:-185px;border:1px solid rgba(233,223,205,.26);border-radius:50%}
.article-hero-inner{position:relative;z-index:1;padding:54px 0 76px;max-width:970px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:38px;color:rgba(255,255,255,.7);font-size:13px}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.55}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--sage-light);color:#4f604d;font-size:12px;font-weight:750;line-height:1.4}
.article-hero .badge{background:rgba(239,176,130,.17);border:1px solid rgba(239,176,130,.36);color:#ffd0af}
.date{font-size:13px;color:rgba(255,255,255,.69)}
.article-hero h1{max-width:900px;margin:0;font-size:clamp(34px,5vw,56px);line-height:1.25;letter-spacing:-.05em;font-weight:800}
.article-summary{max-width:760px;margin:22px 0 0;color:rgba(255,255,255,.82);font-size:17px;line-height:1.88}
.article-shell{display:grid;grid-template-columns:minmax(0,790px) 250px;justify-content:space-between;gap:72px;padding:76px 0 104px}
.article-body{min-width:0;padding:clamp(24px,4vw,48px);background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.article-body>*:first-child{margin-top:0}
.article-body h2{margin:2.4em 0 .75em;padding-top:.15em;font-size:clamp(24px,3vw,32px);line-height:1.4;letter-spacing:-.035em;font-weight:800}
.article-body h3{margin:2em 0 .6em;font-size:21px;line-height:1.5;font-weight:800}
.article-body p{margin:0 0 1.3em;color:#353832}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:1.45em}
.article-body li{margin:.55em 0;padding-left:.2em}
.article-body blockquote{margin:2em 0;padding:20px 24px;border-left:4px solid var(--terra);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:#f5eee6;color:#4b4038;font-size:17px}
.article-body img{width:100%;height:auto;margin:2em 0;border-radius:12px;box-shadow:var(--shadow-sm)}
.article-body table{display:block;max-width:100%;overflow-x:auto;margin:1.8em 0;border-collapse:collapse;border:1px solid var(--line);font-size:14px}
.article-body th,.article-body td{padding:12px 15px;border:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:#f1ede4;font-weight:800}
.article-body a{color:var(--terra-dark);font-weight:700;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--terra)}
.article-aside{padding-top:5px}
.aside-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#f0ede5}
.aside-card+.aside-card{margin-top:18px}
.aside-label{margin:0 0 11px;color:var(--terra-dark);font-size:12px;font-weight:800;letter-spacing:.11em}
.aside-card h2{margin:0 0 11px;font-size:20px;line-height:1.45}
.aside-card p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.8}
.aside-links{margin:16px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
.aside-links li{border-bottom:1px solid var(--line)}
.aside-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;font-size:14px;font-weight:700}
.aside-links a:after{content:"→";color:var(--terra);font-size:17px}
.aside-links a:hover{color:var(--terra-dark);transform:translateX(2px)}
.notice{margin-top:26px;padding:17px 18px;border:1px dashed #c6b9a5;border-radius:var(--radius-sm);background:#fbf7ef;color:var(--ink-soft);font-size:14px;line-height:1.75}
.empty-state{text-align:center;padding:48px 22px;border:1px dashed #c9c1b1;border-radius:var(--radius);background:#fbf8f1}
.empty-state h2{margin:0 0 10px;font-size:26px}
.empty-state p{margin:0 0 20px;color:var(--ink-soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 18px;border:1px solid transparent;border-radius:8px;font-size:14px;font-weight:750}
.btn-primary{background:var(--terra);color:#fff;box-shadow:0 8px 20px rgba(78,43,28,.15)}
.btn-primary:hover{background:#d06a41;color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(78,43,28,.2)}
.related{padding:0 0 104px}
.related-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:25px}
.kicker{display:flex;align-items:center;gap:9px;margin:0 0 9px;color:var(--terra-dark);font-size:12px;font-weight:800;letter-spacing:.12em}
.kicker:before{content:"";width:24px;height:2px;background:var(--terra)}
.related h2{margin:0;font-size:clamp(27px,3vw,37px);line-height:1.3;letter-spacing:-.04em}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.related-item{display:flex;align-items:flex-start;gap:16px;padding:21px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.related-no{flex:0 0 auto;display:grid;place-items:center;width:37px;height:37px;border-radius:8px;background:#f1e6db;color:var(--terra-dark);font-size:12px;font-weight:800}
.related-item h3{margin:0 0 6px;font-size:17px;line-height:1.5}
.related-item p{margin:0;color:var(--ink-soft);font-size:13px;line-height:1.7}
.related-item:hover{border-color:#caa184;box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.article-cta{padding:48px 0;background:var(--ink);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{margin:0 0 8px;font-size:clamp(25px,3vw,34px);line-height:1.35}
.cta-inner p{max-width:700px;margin:0;color:rgba(255,255,255,.73)}
.cta-inner .btn{flex:0 0 auto;background:#e2a275;color:#32241d}
.cta-inner .btn:hover{background:#f2b88e;transform:translateY(-2px)}
.site-footer{padding:63px 0 0;background:#20221f;color:#e9e4d9}
.footer-main{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px;padding-bottom:49px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-mark{box-shadow:inset 0 0 0 3px #20221f}
.footer-brand .brand-sub{color:#b8b7ae}
.footer-brand p{max-width:420px;margin:18px 0 0;color:#b8b7ae;font-size:14px;line-height:1.8}
.footer-col h3{margin:3px 0 13px;font-size:14px;color:#fff}
.footer-col a{display:block;width:max-content;max-width:100%;margin:8px 0;color:#b8b7ae;font-size:14px}
.footer-col a:hover{color:#efb082}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:19px 0;border-top:1px solid rgba(255,255,255,.13);color:#94968e;font-size:12px}
@media (max-width:1024px){
  .article-shell{grid-template-columns:minmax(0,1fr) 220px;gap:30px}
  .article-hero-inner{padding-top:44px}
}
@media (max-width:768px){
  .container{width:min(calc(100% - 32px),var(--container))}
  .header-inner{height:68px;gap:12px}
  .brand-name{font-size:16px}.brand-sub{font-size:10px}
  .main-nav{display:none}.header-action{display:none}.menu-toggle{display:block}
  .site-header.menu-open .main-nav{position:absolute;top:68px;left:0;right:0;display:flex;flex-direction:column;align-items:stretch;gap:3px;padding:14px 16px 18px;background:var(--white);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
  .site-header.menu-open .main-nav a{padding:12px 14px}
  .article-hero-inner{padding:34px 0 52px}.breadcrumb{margin-bottom:28px}
  .article-summary{font-size:16px}
  .article-shell{display:block;padding:48px 0 64px}
  .article-aside{margin-top:22px}
  .article-body{padding:26px 21px}
  .related{padding-bottom:64px}.related-grid{grid-template-columns:1fr}
  .cta-inner{display:block}.cta-inner .btn{margin-top:22px}
  .footer-main{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}
}
@media (max-width:520px){
  body{font-size:15px}.container{width:min(calc(100% - 28px),var(--container))}
  .brand-mark{width:32px;height:32px}.article-hero h1{font-size:33px}
  .article-meta{gap:8px}.article-body{padding:22px 17px}.article-body blockquote{padding:16px}
  .related-item{padding:17px;gap:12px}.footer-main{grid-template-columns:1fr;gap:22px}.footer-brand{grid-column:auto}
  .footer-bottom{display:block;line-height:2}.footer-bottom span{display:block}
}

/* roulang page: category1 */
:root{
      --ink:#262825;--ink-soft:#4f554e;--paper:#f7f4ed;--white:#fffdf8;
      --mist:#ece9df;--line:#d9d4c8;--terra:#b85e3a;--terra-dark:#924426;
      --sage:#788576;--sage-light:#dfe5d9;--sand:#e9dfcd;
      --shadow:0 16px 38px rgba(42,39,31,.09);--shadow-sm:0 8px 20px rgba(42,39,31,.07);
      --radius:16px;--radius-sm:9px;--container:1200px;--ease:180ms ease
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.72;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(184,94,58,.42);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,248,.95);border-bottom:1px solid rgba(217,212,200,.92);backdrop-filter:blur(12px)}
    .header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:0}
    .brand-mark{width:35px;height:35px;border:2px solid var(--terra);border-radius:7px;display:grid;place-items:center;color:var(--terra);font-weight:800;font-size:15px;line-height:1;box-shadow:inset 0 0 0 3px var(--white)}
    .brand-copy{display:flex;flex-direction:column;line-height:1.15}
    .brand-name{font-size:18px;font-weight:800;letter-spacing:-.35px;white-space:nowrap}
    .brand-sub{font-size:11px;color:var(--ink-soft);letter-spacing:.08em;margin-top:3px;white-space:nowrap}
    .main-nav{display:flex;align-items:center;gap:7px}
    .main-nav a{padding:9px 14px;border-radius:7px;font-size:14px;font-weight:650;color:var(--ink-soft);position:relative}
    .main-nav a:hover,.main-nav a.active{color:var(--terra-dark);background:#f2e7dc}
    .main-nav a.active:after{content:"";height:2px;position:absolute;bottom:3px;left:14px;right:14px;background:var(--terra)}
    .header-action{padding:10px 15px;border-radius:8px;background:var(--ink);color:#fff;font-size:13px;font-weight:700;white-space:nowrap}
    .header-action:hover{background:var(--terra-dark);transform:translateY(-1px)}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:8px;background:var(--white);color:var(--ink)}
    .menu-toggle span,.menu-toggle:before,.menu-toggle:after{content:"";display:block;width:18px;height:2px;margin:4px auto;background:currentColor;transition:var(--ease)}
    .page-banner{position:relative;overflow:hidden;color:#fff;background:#292c27 url('/assets/images/backpic/back-2.png') center/cover no-repeat}
    .page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(27,29,26,.9),rgba(29,31,28,.55),rgba(29,31,28,.24))}
    .banner-inner{position:relative;z-index:1;padding:88px 0 92px;max-width:820px}
    .eyebrow,.badge{display:inline-flex;align-items:center}
    .eyebrow{gap:9px;padding:6px 10px;border:1px solid rgba(255,255,255,.31);border-radius:5px;background:rgba(255,255,255,.09);font-size:12px;letter-spacing:.11em;font-weight:700}
    .eyebrow i{display:block;width:7px;height:7px;border-radius:50%;background:#e6a67d}
    .banner-inner h1{margin:20px 0 15px;font-size:clamp(38px,5vw,58px);line-height:1.18;letter-spacing:-.055em;font-weight:800}
    .banner-inner p{max-width:720px;margin:0;color:rgba(255,255,255,.83);font-size:18px;line-height:1.85}
    .crumbs{padding:18px 0 0;color:var(--ink-soft);font-size:13px}
    .crumbs a{color:var(--terra-dark)}.crumbs a:hover{color:var(--terra)}
    .section{padding:96px 0}.section-soft{background:#efede6}.section-white{background:var(--white)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:36px}
    .section-kicker{display:flex;align-items:center;gap:9px;margin:0 0 10px;color:var(--terra-dark);font-size:12px;font-weight:800;letter-spacing:.12em}
    .section-kicker:before{content:"";width:24px;height:2px;background:var(--terra)}
    .section-title{margin:0;font-size:clamp(29px,3.3vw,40px);line-height:1.28;letter-spacing:-.045em}
    .section-intro{max-width:470px;margin:0;color:var(--ink-soft);font-size:15px}
    .category-layout{display:grid;grid-template-columns:280px 1fr;gap:70px}
    .index-panel{border-top:2px solid var(--ink);padding-top:18px}
    .index-panel h2{font-size:20px;margin:0 0 20px}
    .index-list{list-style:none;padding:0;margin:0}
    .index-list li{border-bottom:1px solid var(--line)}
    .index-list a{display:flex;justify-content:space-between;gap:15px;padding:15px 0;color:var(--ink-soft);font-size:14px}
    .index-list a:hover{color:var(--terra-dark);padding-left:6px}
    .index-list span{color:var(--terra);font-weight:800}
    .intro-copy{font-size:19px;line-height:1.9;max-width:720px;margin:0 0 28px}
    .tag-row{display:flex;flex-wrap:wrap;gap:9px}
    .badge{padding:5px 11px;border-radius:999px;background:var(--sage-light);color:#4f604d;font-size:12px;font-weight:750}
    .feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
    .feature-item{background:var(--white);padding:29px 30px;min-height:190px;transition:var(--ease)}
    .feature-item:hover{background:#fffaf0;transform:translateY(-3px);box-shadow:var(--shadow-sm);position:relative;z-index:1}
    .feature-no{display:block;margin-bottom:9px;color:var(--terra);font-size:12px;font-weight:800;letter-spacing:.13em}
    .feature-item h3{margin:0 0 8px;font-size:19px}.feature-item p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.75}
    .split-showcase{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
    .image-frame{position:relative}.image-frame:before{content:"";position:absolute;left:-16px;top:16px;width:72%;height:82%;border:1px solid var(--terra);border-radius:var(--radius);opacity:.45}
    .image-frame img{position:relative;z-index:1;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .showcase-copy h2{font-size:clamp(28px,3vw,38px);line-height:1.3;margin:12px 0 16px}
    .showcase-copy p{color:var(--ink-soft);margin:0 0 22px}
    .detail-list{margin:25px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
    .detail-list li{display:grid;grid-template-columns:90px 1fr;gap:15px;padding:16px 0;border-bottom:1px solid var(--line);font-size:14px}
    .detail-list strong{color:var(--terra-dark)}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .timeline-card{padding:25px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--white)}
    .timeline-card .num{color:var(--terra);font-size:13px;font-weight:800;letter-spacing:.12em}
    .timeline-card h3{margin:12px 0 8px;font-size:19px}.timeline-card p{margin:0;color:var(--ink-soft);font-size:14px}
    .faq-list{max-width:860px;margin:auto;border-top:1px solid var(--line)}
    .faq-list details{border-bottom:1px solid var(--line);padding:0}
    .faq-list summary{list-style:none;cursor:pointer;padding:21px 4px;font-weight:700;display:flex;justify-content:space-between;gap:20px}
    .faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"＋";color:var(--terra);font-size:21px;font-weight:400}
    .faq-list details[open] summary:after{content:"－"}.faq-list details p{margin:0;padding:0 38px 22px 4px;color:var(--ink-soft);font-size:15px}
    .cta{padding:67px 0;background:var(--ink);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0 0 8px;font-size:clamp(26px,3vw,36px)}.cta p{margin:0;color:rgba(255,255,255,.7)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:47px;padding:11px 19px;border:1px solid transparent;border-radius:8px;font-size:14px;font-weight:750}
    .btn-primary{background:var(--terra);color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.16)}.btn-primary:hover{background:#d06a41;transform:translateY(-2px)}
    .btn-light{background:var(--white);color:var(--ink)}.btn-light:hover{background:var(--sand);transform:translateY(-2px)}
    .site-footer{background:#20221f;color:#fff;padding-top:62px}.footer-main{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px;padding-bottom:52px}
    .footer-brand p{max-width:380px;color:rgba(255,255,255,.63);font-size:14px;margin:20px 0 0}.footer-col{display:flex;flex-direction:column;gap:10px}.footer-col h3{font-size:14px;margin:0 0 8px;color:#e7c2a9}.footer-col a{font-size:14px;color:rgba(255,255,255,.65)}.footer-col a:hover{color:#fff;padding-left:4px}
    .site-footer .brand-name{color:#fff}.site-footer .brand-sub{color:rgba(255,255,255,.6)}.site-footer .brand-mark{background:#20221f}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;display:flex;justify-content:space-between;color:rgba(255,255,255,.45);font-size:12px}
    @media(max-width:900px){.header-action{display:none}.category-layout,.split-showcase{grid-template-columns:1fr;gap:38px}.timeline{grid-template-columns:1fr 1fr}.banner-inner{padding:70px 0}.section{padding:76px 0}}
    @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.header-inner{height:68px}.main-nav{display:none;position:absolute;top:68px;left:16px;right:16px;padding:10px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:13px 15px}.main-nav a.active:after{display:none}.menu-toggle{display:block}.feature-grid,.timeline{grid-template-columns:1fr}.feature-item{min-height:auto}.cta-inner{align-items:flex-start;flex-direction:column}.footer-main{grid-template-columns:1fr 1fr;gap:35px}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:5px}}
    @media(max-width:520px){.banner-inner h1{font-size:38px}.banner-inner p{font-size:16px}.section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:16px}.intro-copy{font-size:17px}.footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{font-size:11px}}