/* roulang page: index */
:root{
  --c-primary:#2E1F63;
  --c-primary-600:#43318C;
  --c-primary-100:#ECE7F8;
  --c-primary-900:#14102B;
  --c-accent:#FF6B35;
  --c-accent-600:#E8551F;
  --c-teal:#0FA98F;
  --c-amber:#F2B441;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDF7;
  --c-text:#1A1730;
  --c-text-2:#5B5670;
  --c-text-3:#8E8A9E;
  --c-line:#E4E0DA;
  --c-line-soft:rgba(26,23,48,.06);
  --r-sm:10px;
  --r-card:16px;
  --r-lg:18px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(26,23,48,.04), 0 12px 28px -18px rgba(26,23,48,.18);
  --sh-2:0 16px 36px -16px rgba(46,31,99,.24);
  --t:220ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--c-surface-alt);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-head h2{font-size:28px;line-height:1.35;font-weight:600;letter-spacing:-.01em;}
.sec-head p{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--c-primary-600);background:var(--c-primary-100);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;transition:transform var(--t),background-color var(--t),box-shadow var(--t),border-color var(--t);white-space:nowrap;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 24px -14px rgba(232,85,31,.7);}
.btn-primary:hover{background:var(--c-accent-600);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border:1px solid rgba(46,31,99,.3);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-100);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);transition:color var(--t);}
.link-more svg{transition:transform var(--t);}
.link-more:hover{color:var(--c-accent-600);}
.link-more:hover svg{transform:translateX(4px);}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,241,.82);backdrop-filter:blur(6px);border-bottom:1px solid var(--c-line-soft);transition:box-shadow var(--t),background-color var(--t);}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(26,23,48,.45);background:rgba(247,245,241,.94);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;min-height:44px;}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px -12px rgba(46,31,99,.9);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--c-text);}
.brand-text i{font-style:normal;font-size:11px;color:var(--c-text-3);letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;gap:30px;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--c-text-2);padding:8px 0;min-height:44px;display:inline-flex;align-items:center;transition:color var(--t);}
.nav-link::after{content:"";position:absolute;left:0;bottom:6px;height:2px;width:100%;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t);}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.nav-cta{background:var(--c-accent);color:#fff;border-radius:var(--r-btn);padding:0 20px;font-weight:600;box-shadow:0 10px 22px -14px rgba(232,85,31,.75);}
.nav-link.nav-cta::after{display:none;}
.nav-link.nav-cta:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px);}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;background:var(--c-surface);align-items:center;justify-content:center;color:var(--c-primary);}
.drawer-mask{position:fixed;inset:0;background:rgba(20,16,43,.42);opacity:0;pointer-events:none;transition:opacity var(--t);z-index:80;}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--c-surface);z-index:90;transform:translateX(100%);transition:transform 260ms ease-out;display:flex;flex-direction:column;overflow-y:auto;box-shadow:-20px 0 40px -30px rgba(26,23,48,.6);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:var(--c-text-2);border:1px solid var(--c-line);border-radius:12px;}
.drawer-nav a{display:flex;align-items:center;height:52px;padding:0 22px;font-size:15px;color:var(--c-text-2);border-bottom:1px solid var(--c-line-soft);}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-100);}
.drawer-foot{padding:22px;margin-top:auto;}
body.drawer-open{overflow:hidden;}

/* hero */
.hero{position:relative;overflow:hidden;padding:76px 0 64px;background:linear-gradient(180deg,#FBF9F6 0%,var(--c-bg) 100%);}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(46,31,99,.5) 1px,transparent 1px);background-size:22px 22px;opacity:.05;pointer-events:none;}
.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;}
.hero h1{font-size:44px;line-height:1.24;font-weight:700;letter-spacing:-.015em;}
.hero h1 em{font-style:normal;color:var(--c-primary-600);background:linear-gradient(180deg,transparent 62%,rgba(255,107,53,.24) 62%);}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.9;color:var(--c-text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/9;background:var(--c-surface-alt);box-shadow:var(--sh-1);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(46,31,99,.06);}
.hero-strip{margin-top:44px;display:flex;gap:12px;overflow-x:auto;padding-bottom:6px;}
.hero-strip::-webkit-scrollbar{height:4px;}
.hero-strip::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:999px;}
.strip-item{flex:0 0 auto;min-width:210px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;padding:14px 18px;display:flex;align-items:center;gap:12px;}
.strip-item b{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--c-primary);}
.strip-item span{font-size:13px;color:var(--c-text-2);}
.strip-dot{width:8px;height:8px;border-radius:50%;background:var(--c-teal);flex:0 0 auto;}

/* metrics */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.metric-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.metric-value{display:flex;align-items:baseline;gap:6px;}
.metric-value b{font-size:38px;line-height:1;font-weight:700;font-variant-numeric:tabular-nums;color:var(--c-primary);letter-spacing:-.02em;}
.metric-value i{font-style:normal;font-size:13px;color:var(--c-text-3);}
.metric-name{margin-top:14px;font-size:15px;font-weight:600;color:var(--c-text);}
.metric-desc{margin-top:6px;font-size:13px;line-height:1.7;color:var(--c-text-3);min-height:44px;}
.metric-bar{margin-top:16px;height:3px;border-radius:999px;background:var(--c-surface-alt);overflow:hidden;}
.metric-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--c-accent),var(--c-primary));}
.metric-card.is-teal .metric-value b{color:var(--c-teal);}

/* bento */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(184px,auto);gap:22px;}
.bento-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;display:flex;flex-direction:column;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);overflow:hidden;}
.bento-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(46,31,99,.2);}
.bento-main{grid-column:span 2;grid-row:span 2;padding:0;}
.bento-main .bento-cover{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-alt);}
.bento-main .bento-cover img{width:100%;height:100%;object-fit:cover;}
.bento-main .bento-main-body{padding:24px 26px 26px;}
.bento-main h3{font-size:20px;}
.bento-card h3{margin-top:16px;font-size:17px;font-weight:600;line-height:1.5;}
.bento-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--c-text-2);}
.bento-icon{width:40px;height:40px;border-radius:12px;background:rgba(46,31,99,.08);border:1px solid rgba(46,31,99,.18);display:flex;align-items:center;justify-content:center;color:var(--c-primary);}
.bento-arrow{margin-top:auto;padding-top:16px;display:flex;justify-content:flex-end;color:var(--c-primary);transition:transform var(--t);}
.bento-card:hover .bento-arrow{transform:translateX(4px);color:var(--c-accent);}
.bento-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{font-size:12px;font-weight:600;letter-spacing:.02em;padding:5px 12px;border-radius:var(--r-pill);background:var(--c-primary-100);color:var(--c-primary);}
.tag-teal{background:rgba(15,169,143,.12);color:#0B7F6C;}
.tag-amber{background:rgba(242,180,65,.18);color:#8A6110;}

/* compare */
.compare-wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.compare-node{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:64px;height:64px;border-radius:50%;background:var(--c-surface);border:1px solid var(--c-line);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:var(--c-primary);box-shadow:var(--sh-1);z-index:2;line-height:1.3;}
.compare-node small{font-size:10px;font-weight:500;color:var(--c-text-3);}
.compare-col{border-radius:var(--r-card);padding:26px 26px 18px;}
.compare-base{background:#F1EFEA;border:1px solid transparent;}
.compare-best{background:var(--c-surface);border:1px solid var(--c-primary);position:relative;}
.compare-badge{position:absolute;top:-13px;right:22px;background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;padding:5px 14px;border-radius:var(--r-pill);}
.compare-col h3{font-size:18px;font-weight:600;}
.compare-col > p{margin-top:8px;font-size:13px;color:var(--c-text-3);}
.compare-rows{margin-top:18px;border-top:1px solid var(--c-line-soft);}
.compare-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:8px 12px;border-bottom:1px solid var(--c-line-soft);border-radius:8px;transition:background-color var(--t);}
.compare-row:nth-child(even){background:#FAF8F5;}
.compare-row:hover{background:rgba(46,31,99,.04);}
.compare-row span{font-size:12px;color:var(--c-text-3);letter-spacing:.02em;}
.compare-row b{font-size:15px;font-weight:600;text-align:right;}
.compare-best .compare-row b{color:var(--c-primary);}

/* news */
.news-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:26px;align-items:start;}
.news-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);overflow:hidden;}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(46,31,99,.2);}
.news-feature-link{display:block;padding:0 0 24px;}
.news-thumb{display:block;background:var(--c-surface-alt);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-thumb-lg{aspect-ratio:16/9;}
.news-badge{display:inline-block;margin:20px 24px 0;font-size:12px;font-weight:600;color:var(--c-primary);background:var(--c-primary-100);padding:5px 12px;border-radius:var(--r-pill);}
.news-feature-title{margin:14px 24px 0;font-size:20px;line-height:1.5;font-weight:600;}
.news-feature-desc{margin:12px 24px 0;font-size:14px;line-height:1.85;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:block;margin:16px 24px 0;font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums;}
.news-side{display:flex;flex-direction:column;gap:14px;}
.news-mini a{display:flex;gap:14px;padding:14px;align-items:center;transition:background-color var(--t);}
.news-mini a:hover{background:rgba(46,31,99,.03);}
.news-thumb-sm{width:96px;height:72px;border-radius:10px;flex:0 0 auto;overflow:hidden;}
.news-mini-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.news-mini-title{font-size:16px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-mini-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-text-3);}
.news-mini-meta em{font-style:normal;font-size:12px;font-weight:600;color:var(--c-primary);background:var(--c-primary-100);padding:3px 10px;border-radius:var(--r-pill);}
.news-mini-meta i{font-style:normal;font-variant-numeric:tabular-nums;}
.empty-state{max-width:420px;margin:0 auto;text-align:center;border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface-alt);padding:40px 28px;}
.empty-icon{width:48px;height:48px;border-radius:50%;background:var(--c-surface);border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--c-primary-600);}
.empty-title{font-size:15px;font-weight:600;}
.empty-sub{margin-top:8px;font-size:13px;color:var(--c-text-3);}
.empty-state .btn{margin-top:20px;}

/* faq */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:22px 0;text-align:left;font-size:17px;font-weight:600;color:var(--c-text);min-height:44px;transition:color var(--t);}
.faq-q:hover{color:var(--c-primary-600);}
.faq-num{width:26px;height:26px;flex:0 0 auto;border-radius:50%;background:var(--c-primary-100);color:var(--c-primary);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;}
.faq-caret{margin-left:auto;flex:0 0 auto;color:var(--c-text-3);transition:transform 240ms ease-out;}
.faq-item.is-open .faq-caret{transform:rotate(180deg);color:var(--c-accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease-out;}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a p{padding:0 0 22px 40px;font-size:15px;line-height:1.9;color:var(--c-text-2);}

/* cta */
.cta-section{position:relative;background:var(--c-primary-900);padding:96px 0;overflow:hidden;}
.cta-section::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);background-size:20px 20px;opacity:.06;}
.cta-grid{position:relative;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.cta-copy h2{font-size:30px;line-height:1.35;font-weight:700;color:#fff;letter-spacing:-.01em;}
.cta-copy p{margin-top:16px;font-size:15px;line-height:1.9;color:rgba(255,255,255,.68);}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;gap:12px;font-size:14px;color:rgba(255,255,255,.82);}
.cta-points i{width:22px;height:22px;flex:0 0 auto;border-radius:50%;background:rgba(255,107,53,.18);color:var(--c-accent);display:flex;align-items:center;justify-content:center;font-style:normal;font-size:12px;font-weight:700;margin-top:4px;}
.form-card{background:var(--c-surface);border-radius:var(--r-lg);padding:30px;box-shadow:0 30px 60px -40px rgba(0,0,0,.6);}
.form-row{margin-bottom:16px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-row label{display:block;font-size:13px;color:var(--c-text-3);margin-bottom:8px;}
.form-row input,.form-row select,.form-row textarea{width:100%;height:48px;border-radius:var(--r-input);border:1px solid var(--c-line);background:var(--c-bg);padding:0 14px;font-size:15px;transition:border-color var(--t),box-shadow var(--t),background-color var(--t);}
.form-row textarea{height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(46,31,99,.12);}
.form-note{margin-top:14px;font-size:13px;color:var(--c-text-3);}
.form-msg{margin-top:14px;font-size:14px;font-weight:600;color:var(--c-teal);display:none;}
.form-msg.is-show{display:block;}

/* footer */
.site-footer{background:#100C24;color:rgba(255,255,255,.7);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text i{color:rgba(255,255,255,.5);}
.footer-brand .brand-mark{background:var(--c-accent);}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color var(--t);display:inline-flex;align-items:center;min-height:24px;}
.footer-col a:hover{color:var(--c-accent);}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:12px;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:24px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--c-accent);}

/* back to top */
.to-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);opacity:0;pointer-events:none;transition:opacity var(--t),transform var(--t);z-index:70;}
.to-top.is-show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-2px);background:var(--c-primary-600);}

/* responsive */
@media (max-width:1024px){
  .container{padding:0 28px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:56px 0 48px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:36px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento-main{grid-column:span 2;grid-row:auto;}
  .news-layout{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:28px;}
  .sec-head h2{font-size:24px;}
  .compare-wrap{grid-template-columns:1fr;gap:18px;}
  .compare-node{display:none;}
  .compare-col{padding:22px 18px 12px;}
  .form-grid{grid-template-columns:1fr;}
  .faq-a p{padding-left:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .hero h1{font-size:26px;}
  h1{font-size:26px;}
  .metrics-grid{grid-template-columns:1fr;}
  .bento{grid-template-columns:1fr;}
  .bento-main{grid-column:span 1;}
  .metric-value b{font-size:32px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .news-thumb-sm{width:80px;height:64px;}
  .form-card{padding:22px;}
  .strip-item{min-width:180px;}
}

/* roulang page: article */
:root{
  --c-primary:#2E1F63;
  --c-primary-600:#43318C;
  --c-primary-100:#ECE7F8;
  --c-primary-900:#14102B;
  --c-accent:#FF6B35;
  --c-accent-600:#E8551F;
  --c-teal:#0FA98F;
  --c-amber:#F2B441;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDF7;
  --c-text:#1A1730;
  --c-text-2:#5B5670;
  --c-text-3:#8E8A9E;
  --c-line:#E4E0DA;
  --c-line-soft:rgba(26,23,48,.06);
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(26,23,48,.04),0 12px 28px -18px rgba(26,23,48,.18);
  --sh-2:0 16px 36px -16px rgba(46,31,99,.24);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-primary-600);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--c-accent-600)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 28px}}
@media(min-width:1024px){.container{padding:0 32px}}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line-soft);
  transition:box-shadow .22s ease-out;
}
.site-header.is-scrolled{box-shadow:0 8px 26px -18px rgba(26,23,48,.35)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--c-text)}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--c-primary);color:#fff;display:grid;place-items:center;flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--c-text)}
.brand-text i{font-style:normal;font-size:11px;color:var(--c-text-3);letter-spacing:.04em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:30px}
.nav-link{position:relative;display:inline-flex;align-items:center;font-size:15px;font-weight:500;color:var(--c-text-2);padding:14px 0;transition:color .2s ease-out}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-cta{background:var(--c-accent);color:#fff;padding:0 18px;height:44px;border-radius:var(--r-btn);font-size:14px;font-weight:600;min-height:44px}
.nav-cta::after{display:none}
.nav-cta:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:#fff;color:var(--c-primary);place-items:center;cursor:pointer;transition:.2s ease-out}
.nav-toggle:hover{background:var(--c-primary-100);border-color:rgba(46,31,99,.24)}
@media(max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:grid}
}
.drawer-backdrop{position:fixed;inset:0;background:rgba(20,16,43,.5);opacity:0;pointer-events:none;transition:opacity .24s ease-out;z-index:80}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:#fff;z-index:90;transform:translateX(102%);transition:transform .26s ease-out;display:flex;flex-direction:column;overflow-y:auto;box-shadow:-18px 0 44px -26px rgba(26,23,48,.45)}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--c-line-soft)}
.drawer-close{width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:#fff;color:var(--c-text-2);display:grid;place-items:center;cursor:pointer}
.drawer-close:hover{color:var(--c-primary);background:var(--c-primary-100)}
.drawer-nav{padding:8px 0 24px}
.drawer-link{display:flex;align-items:center;height:52px;padding:0 20px;font-size:15px;color:var(--c-text);border-bottom:1px solid var(--c-line-soft)}
.drawer-link.is-active{color:var(--c-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--c-accent)}
.drawer-link:hover{background:var(--c-surface-alt);color:var(--c-primary)}
body.nav-open{overflow:hidden}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:20px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3)}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.crumb-current{color:var(--c-primary);max-width:44ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}

/* ---------- article head ---------- */
.article-hero{padding:22px 0 30px;border-bottom:1px solid var(--c-line)}
.article-hero-grid{display:flex;align-items:flex-start;justify-content:space-between;gap:32px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--c-primary-100);color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.02em;padding:6px 13px;border-radius:999px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--c-accent)}
.article-title{font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-.01em;margin:16px 0 18px;max-width:26ch}
@media(min-width:1024px){.article-title{font-size:40px;line-height:1.24}}
@media(max-width:640px){.article-title{font-size:26px;line-height:1.36}}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;list-style:none;font-size:13px;color:var(--c-text-3)}
.article-meta li{display:inline-flex;align-items:center;gap:6px}
.article-meta li::before{content:"";width:5px;height:5px;border-radius:999px;background:var(--c-line);flex-shrink:0}
.share-group{display:flex;gap:10px;flex-shrink:0;padding-top:6px}
.share-btn{width:44px;height:44px;border-radius:999px;border:1px solid var(--c-line);background:#fff;color:var(--c-text-2);display:grid;place-items:center;cursor:pointer;transition:.2s ease-out}
.share-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-100);transform:translateY(-1px)}
@media(max-width:767px){
  .article-hero-grid{flex-direction:column;gap:18px}
  .share-group{padding-top:0}
}

/* ---------- layout ---------- */
.article-main{padding:40px 0 80px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:36px}
@media(min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px}
}
.article-side{display:flex;flex-direction:column;gap:20px}
@media(min-width:1024px){
  .article-side{position:sticky;top:96px;align-self:start}
}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.side-card>h3{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:600;margin-bottom:14px}
.side-card>h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--c-accent)}
.toc-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--c-line)}
.toc-list a{display:block;padding:8px 0 8px 14px;margin-left:-1px;font-size:14px;line-height:1.6;color:var(--c-text-2);border-left:2px solid transparent;transition:.2s ease-out}
.toc-list a:hover{color:var(--c-primary);border-left-color:rgba(46,31,99,.25)}
.toc-list a.is-current{color:var(--c-primary);font-weight:600;border-left-color:var(--c-accent)}
.toc-list .toc-sub a{padding-left:28px;font-size:13px;color:var(--c-text-3)}
.toc-tip{font-size:13px;color:var(--c-text-3);line-height:1.8}
.side-rec{list-style:none;display:flex;flex-direction:column;gap:14px}
.side-rec a{display:flex;gap:12px;align-items:center;color:var(--c-text)}
.side-rec img{width:72px;height:54px;object-fit:cover;border-radius:10px;flex-shrink:0;background:var(--c-surface-alt)}
.side-rec .rec-t{display:block;font-size:14px;line-height:1.5;font-weight:500}
.side-rec a:hover .rec-t{color:var(--c-primary)}
.side-rec .rec-m{display:block;font-size:12px;color:var(--c-text-3);margin-top:4px}
.side-back{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 16px;border-radius:14px;background:var(--c-primary-100);color:var(--c-primary);font-size:14px;font-weight:600}
.side-back svg{transition:transform .2s ease-out}
.side-back:hover{background:var(--c-primary-100);color:var(--c-primary-600)}
.side-back:hover svg{transform:translateX(4px)}

/* ---------- article body ---------- */
.article-body{max-width:74ch;font-size:17px;line-height:1.9;color:var(--c-text);overflow-wrap:break-word}
.article-body p{margin:0 0 20px}
.article-body h2{position:relative;font-size:28px;line-height:1.35;font-weight:600;letter-spacing:-.01em;margin:40px 0 18px;padding-left:15px;scroll-margin-top:96px}
.article-body h2::before{content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:2px;background:var(--c-primary)}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:30px 0 14px;scroll-margin-top:96px}
.article-body ul{list-style:none;margin:0 0 20px}
.article-body ul>li{position:relative;padding-left:22px;margin:8px 0}
.article-body ul>li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--c-accent)}
.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body ol>li{margin:8px 0;padding-left:4px}
.article-body blockquote{margin:24px 0;padding:16px 20px;background:var(--c-primary-100);border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;color:var(--c-text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body pre{margin:24px 0;background:#F1F0EC;border:1px solid var(--c-line);border-radius:10px;padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:#F1F0EC;border-radius:6px;padding:1px 6px}
.article-body pre code{background:none;padding:0}
.article-body img{border-radius:12px;margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px}
.article-body a{color:var(--c-primary-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent-600)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left}
.article-body th{background:var(--c-surface-alt);font-weight:600}
@media(max-width:640px){
  .article-body{font-size:16px}
  .article-body h2{font-size:23px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}

/* ---------- tags / post nav / related ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--c-line)}
.tag-label{font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--c-text-3);margin-right:4px}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.02em;padding:7px 14px;border-radius:999px;background:var(--c-surface-alt);color:var(--c-primary);transition:.2s ease-out}
.tag:hover{background:var(--c-primary-100);color:var(--c-primary-600)}
.post-nav{display:grid;gap:16px;margin-top:28px;grid-template-columns:minmax(0,1fr)}
@media(min-width:768px){.post-nav{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.post-nav-card{display:flex;align-items:center;gap:14px;padding:18px 20px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);color:var(--c-text);box-shadow:var(--sh-1);transition:.22s ease-out}
.post-nav-card:hover{transform:translateY(-2px);border-color:rgba(46,31,99,.22);box-shadow:var(--sh-2);color:var(--c-text)}
.post-nav-card .pn-arrow{width:40px;height:40px;border-radius:999px;background:var(--c-surface-alt);color:var(--c-primary);display:grid;place-items:center;flex-shrink:0}
.post-nav-card small{display:block;font-size:12px;letter-spacing:.02em;color:var(--c-text-3)}
.post-nav-card b{display:block;font-size:15px;font-weight:600;margin-top:2px}
.post-nav-card.is-next{text-align:right;justify-content:flex-end}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.section-title{font-size:24px;font-weight:600;letter-spacing:-.01em}
.section-sub{font-size:14px;color:var(--c-text-3);margin-top:8px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.text-link svg{transition:transform .2s ease-out}
.text-link:hover svg{transform:translateX(4px)}
.rel-section{margin-top:64px}
.rel-grid{display:grid;gap:20px;margin-top:24px;grid-template-columns:minmax(0,1fr)}
@media(min-width:768px){.rel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rel-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;color:var(--c-text);box-shadow:var(--sh-1);transition:.22s ease-out}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(46,31,99,.22);box-shadow:var(--sh-2);color:var(--c-text)}
.rel-thumb{aspect-ratio:16/9;background:var(--c-surface-alt);overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 22px}
.rel-cat{font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--c-teal)}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.5;margin:8px 0 8px}
.rel-body p{font-size:13px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- empty state ---------- */
.empty-wrap{max-width:420px;margin:8px auto 0}
.empty-state{border:1px dashed var(--c-line);background:var(--c-surface-alt);border-radius:var(--r-card);padding:34px 24px;text-align:center}
.empty-icon{width:48px;height:48px;border-radius:999px;background:#fff;color:var(--c-primary);display:grid;place-items:center;margin:0 auto 16px}
.empty-state h3{font-size:17px;font-weight:600}
.empty-state p{font-size:13px;line-height:1.8;color:var(--c-text-2);margin:8px 0 18px}
.skeleton{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.sk-line{height:14px;border-radius:999px;background:linear-gradient(90deg,#EDEAF3,#F6F4F9,#EDEAF3);background-size:200% 100%;animation:sk 1.4s linear infinite}
.sk-block{height:168px;border-radius:14px;background:linear-gradient(90deg,#EDEAF3,#F6F4F9,#EDEAF3);background-size:200% 100%;animation:sk 1.4s linear infinite}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.22s ease-out;min-height:44px}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(232,85,31,.62)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:rgba(46,31,99,.3);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:var(--c-primary-100);color:var(--c-primary);transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.36);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-1px)}

/* ---------- cta band ---------- */
.cta-band{position:relative;margin-top:72px;border-radius:var(--r-lg);background:var(--c-primary-900);color:#fff;padding:44px 32px;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);background-size:18px 18px;pointer-events:none}
.cta-inner{position:relative;display:grid;gap:30px;grid-template-columns:minmax(0,1fr)}
@media(min-width:1024px){.cta-inner{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:center}}
.cta-band h2{font-size:26px;font-weight:600;letter-spacing:-.01em;line-height:1.4}
.cta-band p{font-size:15px;color:rgba(255,255,255,.72);margin-top:12px;max-width:48ch;line-height:1.85}
.cta-list{list-style:none;display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(255,255,255,.82)}
.cta-list li{display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.cta-list li::before{content:"";width:16px;height:16px;border-radius:999px;background:rgba(255,107,53,.2);border:1px solid rgba(255,107,53,.7);flex-shrink:0;margin-top:5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
@media(max-width:640px){.cta-band{padding:34px 22px}}

/* ---------- footer ---------- */
.site-footer{margin-top:96px;background:var(--c-surface);border-top:1px solid var(--c-line);padding:56px 0 0}
.footer-grid{display:grid;gap:34px;grid-template-columns:minmax(0,1fr)}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr}}
.footer-desc{font-size:14px;line-height:1.85;color:var(--c-text-2);margin-top:16px;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--c-text-2)}
.footer-col a:hover{color:var(--c-primary)}
.footer-contact li{font-size:14px;color:var(--c-text-2);line-height:1.7}
.footer-contact b{color:var(--c-text);font-weight:600}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding:22px 0;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-text-3)}
@media(max-width:640px){.footer-bottom{flex-direction:column}}

/* ---------- to top ---------- */
.to-top{position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:999px;border:0;background:var(--c-primary);color:#fff;display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transition:.24s ease-out;z-index:70}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--c-primary-600)}
@media(max-width:640px){.to-top{right:14px;bottom:16px}}

/* roulang page: category1 */
:root{
  --c-primary:#2E1F63;
  --c-primary-600:#43318C;
  --c-primary-100:#ECE7F8;
  --c-primary-900:#14102B;
  --c-accent:#FF6B35;
  --c-accent-600:#E8551F;
  --c-teal:#0FA98F;
  --c-amber:#F2B441;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDF7;
  --c-text:#1A1730;
  --c-text-2:#5B5670;
  --c-text-3:#8E8A9E;
  --c-line:#E4E0DA;
  --c-line-soft:rgba(26,23,48,.06);
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(26,23,48,.04), 0 12px 28px -18px rgba(26,23,48,.18);
  --sh-2:0 16px 36px -16px rgba(46,31,99,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
.site-body{
  margin:0;
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p{margin:0}
.site-body ul,.site-body ol{margin:0;padding:0;list-style:none}
.site-body a{color:inherit;text-decoration:none}
.site-body img{max-width:100%;height:auto;display:block}
.site-body button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
.site-body summary{list-style:none}
.site-body summary::-webkit-details-marker{display:none}
.site-body :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:28px;padding-right:28px}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-bg);border-bottom:1px solid var(--c-line-soft);transition:box-shadow .24s var(--ease),border-color .24s var(--ease)}
.site-header.is-scrolled{box-shadow:0 12px 30px -24px rgba(26,23,48,.55);border-color:var(--c-line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-primary)}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--c-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:.01em}
.brand-text i{font-style:normal;font-size:11px;color:var(--c-text-3);letter-spacing:.04em;margin-top:3px}
.main-nav{display:none}
@media(min-width:1024px){.main-nav{display:flex;align-items:center;gap:30px}}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;font-size:15px;font-weight:500;color:var(--c-text-2);transition:color .22s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left center;transition:transform .22s var(--ease)}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-cta{height:auto;padding:11px 20px;border-radius:999px;background:var(--c-accent);color:#fff;font-weight:600;box-shadow:0 12px 24px -16px rgba(255,107,53,.95);transition:background .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease)}
.nav-cta::after{display:none}
.nav-cta:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px)}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);color:var(--c-primary);background:var(--c-surface);transition:border-color .22s var(--ease),background .22s var(--ease)}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-100)}
@media(min-width:1024px){.nav-toggle{display:none}}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(20,16,43,.42);z-index:70;opacity:0;pointer-events:none;transition:opacity .24s var(--ease)}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:var(--c-surface);z-index:80;transform:translateX(102%);transition:transform .26s var(--ease);display:flex;flex-direction:column;box-shadow:-20px 0 44px -32px rgba(26,23,48,.7)}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--c-line-soft)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);background:var(--c-surface)}
.drawer-body{overflow-y:auto;padding:6px 0 28px}
.drawer-link{display:flex;align-items:center;height:52px;padding:0 20px;border-bottom:1px solid var(--c-line-soft);font-size:15px;color:var(--c-text-2);transition:background .2s var(--ease),color .2s var(--ease)}
.drawer-link:hover{background:var(--c-surface-alt);color:var(--c-primary)}
.drawer-link.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-100)}
.site-body.is-locked{overflow:hidden}

/* ---------- crumbs ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);padding-top:22px}
.crumbs a{transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:var(--c-line)}
.crumbs .current{color:var(--c-primary);font-weight:600}

/* ---------- category hero ---------- */
.cat-hero{padding:26px 0 0}
.cat-hero-grid{display:grid;gap:28px;align-items:center}
@media(min-width:1024px){.cat-hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:46px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--c-primary-600);background:var(--c-primary-100);border-radius:999px;padding:7px 14px}
.cat-h1{font-size:28px;line-height:1.32;font-weight:700;letter-spacing:-.01em;margin:18px 0 16px}
@media(min-width:768px){.cat-h1{font-size:36px;line-height:1.26}}
@media(min-width:1024px){.cat-h1{font-size:40px;line-height:1.22}}
.cat-lead{font-size:16px;line-height:1.92;color:var(--c-text-2);max-width:44em}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cat-hero-media{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--sh-1);background:var(--c-surface-alt);aspect-ratio:16/9}
.cat-hero-media img{width:100%;height:100%;object-fit:cover}
.cat-hero-media::after{content:"";position:absolute;inset:0;background:rgba(46,31,99,.06);pointer-events:none}
.cat-hero-caption{font-size:13px;color:var(--c-text-3);margin-top:12px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;transition:background .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease)}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 14px 26px -18px rgba(255,107,53,.95)}
.btn-primary:hover{background:var(--c-accent-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border:1px solid rgba(46,31,99,.3);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-100);border-color:var(--c-primary)}
.btn-ghost:active{transform:translateY(1px)}
.btn svg{flex:none}

/* ---------- anchor pills ---------- */
.anchor-bar{position:sticky;top:70px;z-index:40;margin-top:34px;padding:12px 0 10px;background:linear-gradient(180deg,var(--c-bg) 72%,rgba(247,245,241,0))}
.anchor-list{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
.anchor-list::-webkit-scrollbar{display:none}
.anchor-pill{flex:none;display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);font-size:14px;color:var(--c-text-2);white-space:nowrap;transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease)}
.anchor-pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.anchor-pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}

/* ---------- sections ---------- */
.section{padding:58px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:92px 0}}
.section--tight{padding-top:30px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px}
.section-title{font-size:24px;font-weight:600;letter-spacing:-.01em;color:var(--c-text)}
@media(min-width:768px){.section-title{font-size:28px}}
.section-sub{font-size:15px;color:var(--c-text-2);margin-top:10px;max-width:58em}
.section-index{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--c-primary-600);background:var(--c-primary-100);border-radius:999px;padding:6px 12px}

/* ---------- metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media(min-width:768px){.metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}}
.metric{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.metric:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(46,31,99,.2)}
.metric-num{font-size:30px;font-weight:700;line-height:1.1;color:var(--c-primary);font-variant-numeric:tabular-nums}
@media(min-width:1024px){.metric-num{font-size:36px}}
.metric-num small{font-size:13px;font-weight:600;color:var(--c-text-3);margin-left:4px}
.metric-num.is-teal{color:var(--c-teal)}
.metric-name{font-size:15px;font-weight:600;margin-top:10px}
.metric-desc{font-size:13px;line-height:1.7;color:var(--c-text-3);margin-top:5px}
.metric-bar{height:3px;border-radius:999px;background:var(--c-primary-100);margin-top:14px;overflow:hidden}
.metric-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--c-accent),var(--c-primary))}

/* ---------- module cards ---------- */
.mod-grid{display:grid;grid-template-columns:1fr;gap:18px;align-items:start}
@media(min-width:768px){.mod-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
@media(min-width:1024px){.mod-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}}
.mod-card{display:flex;flex-direction:column;gap:14px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.mod-card:hover{transform:translateY(-2px);border-color:rgba(46,31,99,.2);box-shadow:var(--sh-2)}
.mod-card--wide{padding:22px}
@media(min-width:768px){.mod-card--wide{grid-column:span 2}}
.mod-card--tall{padding-bottom:30px}
@media(min-width:1024px){.mod-card--tall{padding-top:28px;padding-bottom:38px}}
.mod-icon{width:40px;height:40px;border-radius:12px;background:rgba(46,31,99,.08);border:1px solid rgba(46,31,99,.18);display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);flex:none}
.mod-title{font-size:18px;font-weight:600;line-height:1.5}
.mod-text{font-size:14px;line-height:1.85;color:var(--c-text-2)}
.mod-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:4px}
.tag{font-size:12px;font-weight:600;letter-spacing:.02em;border-radius:999px;padding:4px 10px;background:var(--c-primary-100);color:var(--c-primary-600)}
.tag--teal{background:rgba(15,169,143,.12);color:#0B7F6C}
.tag--amber{background:rgba(242,180,65,.18);color:#8A5B00}
.mod-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);margin-top:4px;transition:gap .22s var(--ease),color .22s var(--ease)}
.mod-card:hover .mod-more{gap:10px;color:var(--c-accent-600)}
.mod-wide-inner{display:flex;flex-direction:column;gap:16px}
@media(min-width:560px){.mod-wide-inner{flex-direction:row;align-items:center;gap:24px}}
.mod-wide-text{flex:1 1 auto;display:flex;flex-direction:column;gap:12px}
.mod-wide-media{flex:0 0 42%;border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--c-surface-alt)}
.mod-wide-media img{width:100%;height:100%;object-fit:cover}

/* ---------- combo ---------- */
.combo-wrap{background:var(--c-surface-alt);border-radius:var(--r-lg);padding:24px;border:1px solid var(--c-line-soft)}
@media(min-width:768px){.combo-wrap{padding:34px}}
.combo-list{display:grid;gap:16px}
@media(min-width:768px){.combo-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 30px}}
.combo-item{background:var(--c-surface);border:1px solid var(--c-line-soft);border-radius:14px;padding:18px;transition:box-shadow .22s var(--ease),transform .22s var(--ease)}
.combo-item:hover{box-shadow:var(--sh-1);transform:translateY(-2px)}
.combo-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:15px;font-weight:600}
.combo-top span:last-child{color:var(--c-teal);font-variant-numeric:tabular-nums}
.combo-bar{height:6px;border-radius:999px;background:var(--c-primary-100);margin-top:12px;overflow:hidden}
.combo-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--c-teal),var(--c-primary-600))}
.combo-note{font-size:13px;line-height:1.7;color:var(--c-text-3);margin-top:10px}

/* ---------- roles ---------- */
.role-list{display:grid;gap:14px}
.role-item{display:flex;flex-direction:column;gap:12px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;transition:background .22s var(--ease),border-color .22s var(--ease)}
@media(min-width:768px){.role-item{flex-direction:row;align-items:center;gap:26px;padding:22px 26px}}
.role-item:hover{background:var(--c-surface-alt);border-color:rgba(46,31,99,.2)}
.role-name{flex:0 0 190px;display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600}
.role-dot{width:8px;height:8px;border-radius:999px;background:var(--c-accent);flex:none}
.role-text{flex:1 1 auto;font-size:14px;line-height:1.85;color:var(--c-text-2)}
.role-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:first-child{border-top:1px solid var(--c-line)}
.faq-item summary{display:flex;align-items:flex-start;gap:14px;padding:20px 0 12px;cursor:pointer;transition:color .2s var(--ease)}
.faq-idx{flex:none;width:28px;height:28px;border-radius:999px;background:var(--c-primary-100);color:var(--c-primary-600);font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:3px;font-variant-numeric:tabular-nums}
.faq-q{flex:1 1 auto;font-size:17px;font-weight:600;line-height:1.65;color:var(--c-text);transition:color .2s var(--ease)}
.faq-item summary:hover .faq-q{color:var(--c-primary-600)}
.faq-item[open] .faq-q{color:var(--c-primary)}
.faq-caret{flex:none;margin-top:4px;color:var(--c-text-3);transition:transform .22s var(--ease),color .22s var(--ease)}
.faq-item[open] .faq-caret{transform:rotate(180deg);color:var(--c-accent)}
.faq-a{padding:12px 0 22px 42px;font-size:15px;line-height:1.9;color:var(--c-text-2)}
@media(max-width:520px){.faq-a{padding-left:0}.faq-q{font-size:16px}}

/* ---------- cta ---------- */
.cta-panel{display:grid;gap:26px;background:var(--c-surface-alt);border:1px solid var(--c-line-soft);border-radius:var(--r-lg);padding:26px}
@media(min-width:768px){.cta-panel{padding:38px}}
@media(min-width:1024px){.cta-panel{grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:44px;align-items:center;padding:44px}}
.cta-title{font-size:24px;font-weight:600;line-height:1.45}
@media(min-width:768px){.cta-title{font-size:28px}}
.cta-desc{font-size:15px;line-height:1.9;color:var(--c-text-2);margin-top:14px;max-width:42em}
.cta-points{display:grid;gap:12px;margin-top:22px}
.cta-points li{display:flex;gap:10px;font-size:15px;line-height:1.75;color:var(--c-text-2)}
.cta-points svg{flex:none;margin-top:6px;color:var(--c-teal)}
.cta-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
@media(min-width:768px){.cta-card{padding:30px}}
.cta-card-title{font-size:18px;font-weight:600}
.cta-card-text{font-size:14px;line-height:1.85;color:var(--c-text-2);margin-top:10px}
.cta-card-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-card-actions .btn{flex:1 1 180px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-900);color:#C4BFD8;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;padding:52px 0 32px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 42px}}
.footer-brand .brand{color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#fff}
.footer-brand .brand-text i{color:rgba(255,255,255,.5)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin-top:16px;max-width:34em}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.45)}

/* ---------- to top ---------- */
.to-top{position:fixed;right:20px;bottom:24px;z-index:50;width:44px;height:44px;border-radius:999px;background:var(--c-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .24s var(--ease),transform .24s var(--ease),background .22s var(--ease)}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--c-primary-600)}

/* roulang page: category3 */
:root{
  --c-primary:#2E1F63;
  --c-primary-600:#43318C;
  --c-primary-100:#ECE7F8;
  --c-primary-900:#14102B;
  --c-accent:#FF6B35;
  --c-accent-600:#E8551F;
  --c-teal:#0FA98F;
  --c-amber:#F2B441;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDF7;
  --c-text:#1A1730;
  --c-text-2:#5B5670;
  --c-text-3:#8E8A9E;
  --c-line:#E4E0DA;
  --c-line-soft:rgba(26,23,48,.06);
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --shadow-1:0 1px 2px rgba(26,23,48,.04),0 12px 28px -18px rgba(26,23,48,.18);
  --shadow-2:0 16px 36px -16px rgba(46,31,99,.24);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);line-height:1.35;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 28px;}}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.94);
  border-bottom:1px solid var(--c-line-soft);
  transition:box-shadow .22s ease-out,background .22s ease-out;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(26,23,48,.35);background:rgba(247,245,241,.98);}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -10px rgba(46,31,99,.7);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--c-primary-900);}
.brand-text i{font-style:normal;font-size:11px;color:var(--c-text-3);letter-spacing:.04em;margin-top:3px;}
.main-nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;font-size:15px;color:var(--c-text-2);font-weight:500;
  padding:6px 0;transition:color .22s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease-out;border-radius:2px;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-cta{
  padding:10px 20px;border-radius:var(--r-btn);
  background:var(--c-accent);color:#fff !important;font-weight:600;font-size:15px;
  transition:background .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.nav-cta::after{display:none;}
.nav-cta:hover{background:var(--c-accent-600);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(255,107,53,.9);}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-surface);
  color:var(--c-primary);cursor:pointer;transition:border-color .2s ease-out,background .2s ease-out;
}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-100);}
@media(max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
}
/* Drawer */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:90;
  background:var(--c-surface);border-left:1px solid var(--c-line);
  transform:translateX(100%);transition:transform .26s ease-out;
  display:flex;flex-direction:column;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--c-line-soft);}
.drawer-close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:var(--r-btn);background:transparent;color:var(--c-text-2);cursor:pointer;
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary);}
.drawer-nav{padding:8px 0 32px;}
.drawer-nav a{
  display:flex;align-items:center;min-height:52px;padding:0 22px;
  font-size:16px;color:var(--c-text-2);border-bottom:1px solid var(--c-line-soft);
  transition:background .2s ease-out,color .2s ease-out;
}
.drawer-nav a:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--c-accent);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,16,43,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
body.no-scroll{overflow:hidden;}

/* ---------- Breadcrumb ---------- */
.crumb-bar{padding:20px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);}
.crumb a{color:var(--c-text-3);transition:color .2s ease-out;}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:rgba(26,23,48,.24);}
.crumb .current{color:var(--c-primary);font-weight:600;}

/* ---------- Section basics ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:72px 0;}}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:var(--c-surface-alt);}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--c-primary-600);
  background:var(--c-primary-100);border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section-head h2{font-size:26px;font-weight:600;letter-spacing:-.01em;}
@media(min-width:768px){.section-head h2{font-size:28px;}}
.section-head p{margin-top:14px;color:var(--c-text-2);font-size:15px;line-height:1.9;}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(720px 320px at 88% -10%,rgba(255,107,53,.10),transparent 70%),
    linear-gradient(180deg,#F3F0FA 0%,rgba(247,245,241,0) 78%);
  border-bottom:1px solid var(--c-line-soft);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center right;
  opacity:.06;pointer-events:none;
}
.page-hero-inner{position:relative;display:grid;gap:36px;padding:48px 0 56px;}
@media(min-width:1024px){
  .page-hero-inner{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;gap:56px;padding:64px 0 76px;}
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.05em;
  color:var(--c-primary-600);background:rgba(255,255,255,.8);
  border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--c-teal);}
.page-hero h1{
  margin-top:18px;font-size:28px;line-height:1.32;font-weight:700;letter-spacing:-.01em;color:var(--c-primary-900);
}
@media(min-width:768px){.page-hero h1{font-size:36px;}}
@media(min-width:1024px){.page-hero h1{font-size:40px;line-height:1.22;}}
.page-hero .lede{margin-top:18px;color:var(--c-text-2);font-size:16px;line-height:1.95;max-width:64ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 14px 28px -18px rgba(255,107,53,.95);}
.btn-primary:hover{background:var(--c-accent-600);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:rgba(46,31,99,.3);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-100);}
.btn svg{flex:0 0 auto;}
.hero-visual{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--shadow-1);background:var(--c-surface);}
.hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-visual::after{content:"";position:absolute;inset:0;background:rgba(46,31,99,.06);pointer-events:none;}
.hero-visual figcaption{
  position:absolute;left:16px;bottom:14px;z-index:2;
  background:rgba(20,16,43,.72);color:#fff;font-size:12px;
  padding:6px 12px;border-radius:999px;letter-spacing:.02em;
}

/* ---------- Anchor pills ---------- */
.pill-bar{position:relative;background:var(--c-surface);border-bottom:1px solid var(--c-line-soft);}
.pill-scroll{display:flex;gap:10px;overflow-x:auto;padding:16px 0;scrollbar-width:none;}
.pill-scroll::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-text-2);font-size:14px;font-weight:500;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
.pill.is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ---------- Guide layout ---------- */
.guide-grid{display:grid;gap:32px;}
@media(min-width:1024px){.guide-grid{grid-template-columns:3fr 9fr;gap:48px;align-items:start;}}
.guide-aside{position:relative;}
@media(min-width:1024px){.guide-aside{position:sticky;top:96px;}}
.aside-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-1);
}
.aside-card h3{font-size:14px;letter-spacing:.04em;color:var(--c-text-3);font-weight:600;margin-bottom:14px;}
.toc-list a{
  position:relative;display:block;padding:9px 0 9px 16px;font-size:14px;color:var(--c-text-2);
  border-radius:8px;transition:color .2s ease-out,background .2s ease-out;
}
.toc-list a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--c-accent);transition:height .22s ease-out;
}
.toc-list a:hover{color:var(--c-primary);background:var(--c-surface-alt);}
.toc-list a.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-100);}
.toc-list a.is-active::before{height:18px;}
.aside-note{
  margin-top:18px;padding:16px;border-radius:var(--r-card);
  background:var(--c-primary-100);font-size:13px;color:var(--c-primary-600);line-height:1.8;
}

/* ---------- Steps ---------- */
.steps{display:flex;flex-direction:column;gap:24px;}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:border-color .22s ease-out,box-shadow .22s ease-out,transform .22s ease-out;
}
.step:hover{border-color:rgba(46,31,99,.2);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.step-head{display:flex;align-items:flex-start;gap:16px;}
.step-badge{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  background:var(--c-primary);color:#fff;font-weight:700;font-size:15px;
  display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.step h3{font-size:19px;font-weight:600;line-height:1.45;}
.step .step-sub{margin-top:5px;font-size:13px;color:var(--c-text-3);}
.step-body{margin-top:14px;font-size:15px;line-height:1.9;color:var(--c-text-2);}
.step-body p + p{margin-top:12px;}
.step-points{margin-top:16px;display:grid;gap:10px;}
.step-points li{
  position:relative;padding-left:20px;font-size:14px;line-height:1.8;color:var(--c-text-2);
}
.step-points li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--c-amber);
}
.step-meta{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line-soft);
  display:flex;flex-wrap:wrap;gap:10px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--c-primary-100);color:var(--c-primary-600);
}
.tag-teal{background:rgba(15,169,143,.12);color:#0B7C69;}
.tag-amber{background:rgba(242,180,65,.18);color:#8A6110;}

/* ---------- Checklist ---------- */
.check-grid{display:grid;gap:16px;}
@media(min-width:640px){.check-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.check-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--shadow-1);
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.check-item:hover{border-color:rgba(46,31,99,.22);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.check-box{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;margin-top:4px;
  border:1px solid rgba(46,31,99,.28);background:var(--c-primary-100);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);
}
.check-item h3{font-size:16px;font-weight:600;}
.check-item p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--c-text-2);}

/* ---------- Rhythm bars ---------- */
.rhythm{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);
}
@media(min-width:768px){.rhythm{padding:32px;}}
.rhythm-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:24px;}
.rhythm-head h3{font-size:19px;}
.rhythm-head span{font-size:13px;color:var(--c-text-3);}
.rhythm-row{display:grid;grid-template-columns:1fr;gap:8px;padding:14px 0;border-bottom:1px solid var(--c-line-soft);}
.rhythm-row:last-child{border-bottom:0;}
@media(min-width:640px){
  .rhythm-row{grid-template-columns:150px minmax(0,1fr) 120px;align-items:center;gap:20px;}
}
.rhythm-name{font-size:15px;font-weight:600;}
.rhythm-track{height:8px;border-radius:999px;background:var(--c-surface-alt);overflow:hidden;}
.rhythm-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--c-accent),var(--c-primary));}
.rhythm-value{font-size:13px;color:var(--c-text-2);font-variant-numeric:tabular-nums;}
.rhythm-value b{color:var(--c-primary);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
  padding:22px 0;transition:color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-q-mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--c-primary-100);color:var(--c-primary);font-size:13px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
}
.faq-item summary h3{font-size:17px;font-weight:600;line-height:1.6;flex:1;}
.faq-item summary:hover h3{color:var(--c-primary);}
.faq-caret{
  flex:0 0 auto;margin-top:4px;color:var(--c-text-3);
  transition:transform .24s ease-out,color .24s ease-out;
}
.faq-item[open] .faq-caret{transform:rotate(180deg);color:var(--c-accent);}
.faq-answer{padding:0 0 22px 40px;font-size:15px;line-height:1.9;color:var(--c-text-2);}
.faq-answer p + p{margin-top:10px;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--c-surface-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;}
@media(min-width:768px){.cta-band{padding:36px 40px;}}
.cta-inner{display:grid;gap:22px;}
@media(min-width:1024px){.cta-inner{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:40px;}}
.cta-flag{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.05em;color:var(--c-primary-600);}
.cta-flag .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);}
.cta-band h2{margin-top:12px;font-size:24px;font-weight:700;letter-spacing:-.01em;}
@media(min-width:768px){.cta-band h2{font-size:28px;}}
.cta-band p{margin-top:12px;color:var(--c-text-2);font-size:15px;line-height:1.9;max-width:62ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-primary-900);color:rgba(255,255,255,.72);margin-top:8px;}
.footer-grid{display:grid;gap:36px;padding:56px 0 36px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 44px;}}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text i{color:rgba(255,255,255,.5);}
.footer-brand .brand-mark{background:#fff;color:var(--c-primary);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:38ch;}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.04em;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease-out,padding-left .2s ease-out;}
.footer-col ul li a:hover{color:#fff;padding-left:4px;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:12px;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:50%;border:0;cursor:pointer;
  background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s ease-out,transform .24s ease-out,visibility .24s ease-out,background .2s ease-out;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-600);}

@media(max-width:639px){
  .page-hero .lede{font-size:15px;}
  .step{padding:20px;}
  .rhythm{padding:20px;}
  .cta-band{padding:24px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#2E1F63;
  --c-primary-600:#43318C;
  --c-primary-100:#ECE7F8;
  --c-primary-900:#14102B;
  --c-accent:#FF6B35;
  --c-accent-600:#E8551F;
  --c-teal:#0FA98F;
  --c-amber:#F2B441;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDF7;
  --c-text:#1A1730;
  --c-text-2:#5B5670;
  --c-text-3:#8E8A9E;
  --c-line:#E4E0DA;
  --c-line-soft:rgba(26,23,48,.06);
  --r-card:16px;
  --r-lg:18px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(26,23,48,.04), 0 12px 28px -18px rgba(26,23,48,.18);
  --shadow-2:0 16px 36px -16px rgba(46,31,99,.24);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media(min-width:768px){.container{padding-left:28px;padding-right:28px;}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,241,.92);
  border-bottom:1px solid var(--c-line-soft);
  transition:box-shadow var(--ease), background var(--ease);
}
.site-header.is-scrolled{
  box-shadow:0 6px 24px -14px rgba(26,23,48,.28);
  background:rgba(247,245,241,.98);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:70px;
  gap:16px;
}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--c-primary);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--c-text);}
.brand-text i{font-style:normal;font-size:11px;color:var(--c-text-3);letter-spacing:.02em;margin-top:2px;}
.main-nav{display:none;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--c-text-2);
  padding:8px 0;
  transition:color var(--ease);
  display:inline-block;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;height:2px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 220ms ease-out;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{
  background:var(--c-accent);
  color:#fff !important;
  font-weight:600;
  padding:11px 20px;
  border-radius:var(--r-btn);
  min-height:44px;
  display:inline-flex;
  align-items:center;
  transition:background var(--ease), transform var(--ease), box-shadow var(--ease);
  box-shadow:0 8px 20px -12px rgba(255,107,53,.7);
}
.nav-cta::after{display:none;}
.nav-cta:hover{background:var(--c-accent-600);transform:translateY(-1px);}
.nav-cta:active{transform:translateY(0);box-shadow:none;}
.nav-toggle{
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:var(--c-surface);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  transition:border-color var(--ease), background var(--ease);
}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-100);}
@media(min-width:1024px){
  .main-nav{
    display:flex;
    align-items:center;
    gap:30px;
  }
  .nav-toggle{display:none;}
}

.nav-overlay{
  position:fixed;inset:0;
  background:rgba(20,16,43,.44);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease), visibility var(--ease);
  z-index:70;
}
.nav-overlay.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;
  width:82vw;max-width:360px;height:100%;
  background:var(--c-surface);
  z-index:80;
  transform:translateX(102%);
  transition:transform 240ms ease-out;
  display:flex;flex-direction:column;
  box-shadow:-16px 0 40px -20px rgba(26,23,48,.4);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-top{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;
  border-bottom:1px solid var(--c-line-soft);
}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--c-primary-100);}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0 24px;}
.drawer-nav a{
  display:flex;align-items:center;
  min-height:52px;
  padding:0 20px;
  font-size:16px;
  color:var(--c-text-2);
  border-bottom:1px solid var(--c-line-soft);
  transition:background var(--ease), color var(--ease);
}
.drawer-nav a:hover{background:rgba(46,31,99,.05);color:var(--c-primary);}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-100);}

/* ---------- breadcrumb ---------- */
.crumb{
  padding:22px 0 0;
  font-size:13px;
  color:var(--c-text-3);
}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--c-line);}
.crumb a{color:var(--c-text-2);transition:color var(--ease);}
.crumb a:hover{color:var(--c-primary);}
.crumb .is-current{color:var(--c-primary);font-weight:600;}

/* ---------- hero ---------- */
.cat-hero{padding:32px 0 0;}
.hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:48px;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);
  background:var(--c-primary-100);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:999px;background:var(--c-teal);}
.cat-hero h1{
  font-size:28px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--c-primary);
}
@media(min-width:768px){.cat-hero h1{font-size:36px;}}
@media(min-width:1024px){.cat-hero h1{font-size:40px;line-height:1.2;}}
.cat-hero p.lead{
  margin-top:20px;
  font-size:16px;
  line-height:1.95;
  color:var(--c-text-2);
  max-width:640px;
}
.hero-facts{
  margin-top:28px;
  display:flex;flex-wrap:wrap;gap:12px;
}
.fact-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-2);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:999px;
  padding:8px 16px;
  min-height:38px;
}
.fact-pill b{color:var(--c-primary);font-variant-numeric:tabular-nums;}
.hero-visual{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--c-surface-alt);
  aspect-ratio:16/9;
  box-shadow:var(--shadow-1);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:rgba(46,31,99,.06);
}
.hero-visual .badge-float{
  position:absolute;
  left:16px;bottom:16px;
  background:rgba(255,255,255,.94);
  border-radius:12px;
  padding:10px 14px;
  font-size:13px;
  color:var(--c-primary);
  font-weight:600;
  z-index:2;
  box-shadow:var(--shadow-1);
}
.hero-visual .badge-float span{
  display:block;font-size:11px;color:var(--c-text-3);font-weight:400;margin-top:2px;
}

/* ---------- anchor nav ---------- */
.anchor-bar{
  position:sticky;
  top:70px;
  z-index:40;
  margin-top:36px;
  background:rgba(247,245,241,.94);
  border-top:1px solid var(--c-line-soft);
  border-bottom:1px solid var(--c-line-soft);
}
.anchor-scroll{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:14px 0;
  scrollbar-width:none;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;
  font-size:14px;
  color:var(--c-text-2);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  border-radius:999px;
  padding:9px 18px;
  min-height:40px;
  display:inline-flex;align-items:center;
  transition:all var(--ease);
  white-space:nowrap;
}
.anchor-pill:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-100);}
.anchor-pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}

/* ---------- section base ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:72px 0;}}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:var(--c-surface-alt);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--c-accent);
  text-transform:uppercase;
  margin-bottom:12px;
  display:block;
}
.section-head h2{
  font-size:24px;
  line-height:1.34;
  font-weight:600;
  color:var(--c-primary);
  letter-spacing:-.01em;
}
@media(min-width:768px){.section-head h2{font-size:28px;}}
.section-head p{
  margin-top:14px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text-2);
}

/* ---------- table + image split ---------- */
.split{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media(min-width:1024px){
  .split{grid-template-columns:4fr 8fr;gap:40px;align-items:start;}
}
.side-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--c-surface-alt);
  position:relative;
  box-shadow:var(--shadow-1);
}
.side-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.side-note{
  margin-top:20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px;
}
.side-note h3{font-size:16px;font-weight:600;color:var(--c-primary);margin-bottom:10px;}
.side-note ul{display:flex;flex-direction:column;gap:10px;}
.side-note li{
  font-size:14px;color:var(--c-text-2);line-height:1.7;
  padding-left:18px;position:relative;
}
.side-note li::before{
  content:"";position:absolute;left:0;top:9px;
  width:7px;height:7px;border-radius:2px;background:var(--c-accent);
}
.table-wrap{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.table-scroll{overflow-x:auto;}
.env-table{
  width:100%;
  min-width:720px;
  border-collapse:separate;
  border-spacing:0;
  font-size:15px;
}
.env-table thead th{
  background:var(--c-surface-alt);
  color:var(--c-primary);
  font-weight:600;
  font-size:14px;
  text-align:left;
  padding:16px;
  border-bottom:1px solid var(--c-line);
  white-space:nowrap;
}
.env-table tbody td{
  height:52px;
  padding:10px 16px;
  border-bottom:1px solid var(--c-line-soft);
  color:var(--c-text-2);
  vertical-align:middle;
  line-height:1.6;
}
.env-table tbody tr:nth-child(even){background:#FAF8F5;}
.env-table tbody tr:hover{background:rgba(46,31,99,.04);}
.env-table tbody tr:last-child td{border-bottom:none;}
.env-table .row-label{
  font-weight:600;
  color:var(--c-text);
  white-space:nowrap;
}
.env-table th:first-child,
.env-table td:first-child{
  position:sticky;
  left:0;
  background:var(--c-surface);
  z-index:2;
  box-shadow:1px 0 0 var(--c-line-soft);
}
.env-table thead th:first-child{background:var(--c-surface-alt);}
.env-table tbody tr:nth-child(even) td:first-child{background:#FAF8F5;}
.env-table tbody tr:hover td:first-child{background:#F5F2FB;}
.val-recommend{color:var(--c-primary);font-weight:600;}
.val-min{color:var(--c-text-2);}

/* ---------- status cards ---------- */
.status-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  margin-top:8px;
}
@media(min-width:640px){.status-grid{grid-template-columns:repeat(3,1fr);}}
.status-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px;
  transition:transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.status-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(46,31,99,.2);}
.status-card .icon-box{
  width:40px;height:40px;border-radius:12px;
  background:rgba(46,31,99,.08);
  border:1px solid rgba(46,31,99,.18);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.status-card h3{font-size:17px;font-weight:600;color:var(--c-text);margin-bottom:8px;}
.status-card p{font-size:14px;color:var(--c-text-2);line-height:1.75;}
.status-card .num{
  font-size:34px;font-weight:700;color:var(--c-teal);
  font-variant-numeric:tabular-nums;
  line-height:1.1;margin-bottom:6px;
}
.status-card .num small{font-size:14px;font-weight:600;color:var(--c-text-3);margin-left:4px;}
.status-card .bar{
  margin-top:18px;height:3px;border-radius:999px;
  background:var(--c-line-soft);
  overflow:hidden;
}
.status-card .bar span{
  display:block;height:100%;
  background:linear-gradient(90deg,var(--c-accent),var(--c-primary));
  border-radius:999px;
}

/* ---------- checklist ---------- */
.check-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  margin-top:32px;
}
@media(min-width:768px){.check-grid{grid-template-columns:repeat(2,1fr);}}
.check-item{
  display:flex;gap:14px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:14px;
  padding:18px 20px;
  transition:background var(--ease), border-color var(--ease);
}
.check-item:hover{background:#FBF9FE;border-color:rgba(46,31,99,.2);}
.check-item .tick{
  flex:0 0 auto;
  width:26px;height:26px;border-radius:999px;
  background:rgba(15,169,143,.12);
  color:var(--c-teal);
  display:flex;align-items:center;justify-content:center;
  margin-top:3px;
}
.check-item h3{font-size:16px;font-weight:600;color:var(--c-text);margin-bottom:6px;}
.check-item p{font-size:14px;color:var(--c-text-2);line-height:1.75;}

/* ---------- timeline ---------- */
.timeline{
  position:relative;
  margin-top:36px;
  max-width:820px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;top:10px;bottom:10px;
  width:2px;
  background:linear-gradient(180deg,var(--c-primary-100),var(--c-line));
}
.tl-item{
  position:relative;
  padding-left:64px;
  padding-bottom:26px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;
  left:0;top:2px;
  width:40px;height:40px;
  border-radius:999px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  color:var(--c-primary);
  font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
  transition:border-color var(--ease), background var(--ease);
}
.tl-item:hover .tl-node{border-color:var(--c-accent);background:#fff;box-shadow:0 8px 18px -12px rgba(255,107,53,.6);}
.tl-body{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px 22px;
  transition:transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.tl-item:hover .tl-body{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(46,31,99,.2);}
.tl-body h3{font-size:17px;font-weight:600;color:var(--c-text);margin-bottom:8px;}
.tl-body p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  font-size:12px;font-weight:600;letter-spacing:.02em;
  border-radius:999px;
  padding:5px 12px;
  background:var(--c-primary-100);
  color:var(--c-primary);
}
.tag.teal{background:rgba(15,169,143,.12);color:#0B7E6B;}
.tag.amber{background:rgba(242,180,65,.18);color:#8A6210;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:36px auto 0;}
.faq-item{
  border-bottom:1px solid var(--c-line);
  background:transparent;
}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:flex-start;gap:14px;
  padding:20px 0;
  min-height:44px;
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-q{
  flex:0 0 auto;
  width:26px;height:26px;border-radius:999px;
  background:var(--c-primary-100);
  color:var(--c-primary);
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  margin-top:4px;
}
.faq-text{
  flex:1;
  font-size:17px;
  font-weight:600;
  color:inherit;
  line-height:1.6;
}
.faq-icon{
  flex:0 0 auto;
  color:var(--c-text-3);
  margin-top:6px;
  transition:transform 220ms ease-out, color var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--c-accent);}
.faq-answer{
  padding:0 0 22px 40px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-text-2);
  border-top:1px solid transparent;
}
.faq-item[open] .faq-answer{padding-top:12px;}

/* ---------- CTA ---------- */
.cta-section{
  background:var(--c-primary-900);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.6) 1px, transparent 1px);
  background-size:22px 22px;
  opacity:.06;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:start;
}
@media(min-width:1024px){
  .cta-inner{grid-template-columns:5fr 7fr;gap:56px;}
}
.cta-section h2{
  font-size:26px;
  font-weight:700;
  line-height:1.34;
  letter-spacing:-.01em;
  color:#fff;
}
@media(min-width:768px){.cta-section h2{font-size:30px;}}
.cta-section .cta-desc{
  margin-top:16px;
  font-size:15px;
  line-height:1.9;
  color:rgba(255,255,255,.76);
}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.7;
}
.cta-points .p-dot{
  flex:0 0 auto;
  width:22px;height:22px;border-radius:999px;
  background:rgba(255,107,53,.2);
  color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
  margin-top:4px;
}
.cta-card{
  background:#fff;
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:0 24px 60px -30px rgba(0,0,0,.6);
}
@media(min-width:768px){.cta-card{padding:32px;}}
.cta-card h3{font-size:18px;font-weight:700;color:var(--c-primary);margin-bottom:6px;}
.cta-card .form-note{font-size:13px;color:var(--c-text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  color:var(--c-text-3);
  margin-bottom:7px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:48px;
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  background:#fff;
  color:var(--c-text);
  font-size:15px;
  font-family:inherit;
  padding:12px 14px;
  transition:border-color var(--ease), box-shadow var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(46,31,99,.12);
}
.btn-primary{
  width:100%;
  min-height:50px;
  border:none;
  border-radius:var(--r-btn);
  background:var(--c-accent);
  color:#fff;
  font-size:16px;
  font-weight:600;
  letter-spacing:.01em;
  transition:background var(--ease), transform var(--ease), box-shadow var(--ease);
  box-shadow:0 14px 28px -18px rgba(255,107,53,.9);
}
.btn-primary:hover{background:var(--c-accent-600);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-secondary{
  display:inline-flex;align-items:center;gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid rgba(46,31,99,.3);
  background:transparent;
  color:var(--c-primary);
  font-size:15px;font-weight:600;
  transition:background var(--ease), border-color var(--ease), transform var(--ease);
}
.btn-secondary:hover{background:var(--c-primary-100);border-color:var(--c-primary);transform:translateY(-1px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);
  font-size:14px;font-weight:600;
}
.link-arrow svg{transition:transform var(--ease);}
.link-arrow:hover svg{transform:translateX(4px);}
.form-msg{
  margin-top:14px;
  font-size:13.5px;
  color:var(--c-teal);
  display:none;
}
.form-msg.is-visible{display:block;}

/* ---------- footer ---------- */
.site-footer{
  background:#fff;
  border-top:1px solid var(--c-line);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:36px;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--c-text-2);line-height:1.85;max-width:340px;}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--c-primary);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;
  color:var(--c-text-2);
  transition:color var(--ease), padding-left var(--ease);
  display:inline-block;
}
.footer-col a:hover{color:var(--c-primary);padding-left:4px;}
.footer-contact li{font-size:14px;color:var(--c-text-2);line-height:1.7;}
.footer-contact b{color:var(--c-text);font-weight:600;}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid var(--c-line-soft);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:13px;
  color:var(--c-text-3);
}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;
  right:20px;bottom:24px;
  width:44px;height:44px;
  border-radius:999px;
  border:none;
  background:var(--c-primary);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;
  transform:translateY(8px);
  transition:opacity var(--ease), transform var(--ease), visibility var(--ease), background var(--ease);
  z-index:50;
  box-shadow:var(--shadow-2);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-600);}

body.no-scroll{overflow:hidden;}

/* roulang page: category4 */
:root{
  --c-primary:#2E1F63;
  --c-primary-600:#43318C;
  --c-primary-100:#ECE7F8;
  --c-primary-900:#14102B;
  --c-accent:#FF6B35;
  --c-accent-600:#E8551F;
  --c-teal:#0FA98F;
  --c-amber:#F2B441;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDF7;
  --c-text:#1A1730;
  --c-text-2:#5B5670;
  --c-text-3:#8E8A9E;
  --c-line:#E4E0DA;
  --c-line-soft:rgba(26,23,48,0.06);
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(26,23,48,.04),0 12px 28px -18px rgba(26,23,48,.18);
  --shadow-2:0 16px 36px -16px rgba(46,31,99,.24);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.88;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.94);
  border-bottom:1px solid var(--c-line-soft);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,245,241,.98);
  box-shadow:0 1px 2px rgba(26,23,48,.04),0 12px 28px -18px rgba(26,23,48,.18);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:11px;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;
  box-shadow:0 6px 16px -10px rgba(46,31,99,.8);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--c-text);}
.brand-text i{font-style:normal;font-size:11px;color:var(--c-text-3);letter-spacing:.04em;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--c-text-2);
  padding:6px 0;transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;
  background:var(--c-accent);transition:width 220ms ease-out;
}
.nav-link:hover,.nav-link.is-active{color:var(--c-primary);}
.nav-link:hover::after,.nav-link.is-active::after{width:100%;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--c-accent);color:#fff !important;font-weight:600;font-size:15px;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
  box-shadow:0 8px 20px -12px rgba(255,107,53,.9);
}
.nav-cta::after{display:none;}
.nav-cta:hover{background:var(--c-accent-600);transform:translateY(-1px);}
.nav-cta:active{transform:translateY(0);box-shadow:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;color:var(--c-primary);
  border:1px solid var(--c-line);background:var(--c-surface);
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--c-primary-100);border-color:rgba(46,31,99,.3);}
.drawer-head{display:none;}
.nav-mask{
  position:fixed;inset:0;background:rgba(20,16,43,.42);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s;
}
.nav-mask.is-on{opacity:1;visibility:visible;}

/* ---------- common ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--c-surface-alt);}
.section-head{max-width:760px;margin-bottom:34px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);background:var(--c-primary-100);
  padding:6px 14px;border-radius:999px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.section-title{font-size:28px;line-height:1.35;font-weight:600;margin-top:16px;letter-spacing:-.01em;}
.section-sub{margin-top:12px;color:var(--c-text-2);font-size:15px;line-height:1.85;max-width:70ch;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 24px -14px rgba(255,107,53,.95);}
.btn-primary:hover{background:var(--c-accent-600);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--c-primary);border:1px solid rgba(46,31,99,.3);}
.btn-ghost:hover{background:var(--c-primary-100);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-weight:600;font-size:14px;
}
.btn-link svg{transition:transform var(--ease);}
.btn-link:hover svg{transform:translateX(4px);}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--c-text-3);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li:not(:last-child)::after{content:"/";color:var(--c-line);}
.crumb a{transition:color var(--ease);}
.crumb a:hover{color:var(--c-primary);}
.crumb .now{color:var(--c-primary);font-weight:600;}

/* ---------- category hero ---------- */
.cat-hero{padding:40px 0 8px;}
.cat-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;}
.cat-title{
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.28;font-weight:700;letter-spacing:-.01em;margin-top:18px;
}
.cat-title em{font-style:normal;color:var(--c-primary);}
.cat-desc{margin-top:18px;color:var(--c-text-2);font-size:16px;line-height:1.9;max-width:64ch;}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:5px 12px;border-radius:999px;
  background:var(--c-primary-100);color:var(--c-primary);
}
.tag-teal{background:rgba(15,169,143,.12);color:#0B7A68;}
.tag-amber{background:rgba(242,180,65,.16);color:#8A6412;}
.hero-media{
  position:relative;border-radius:18px;overflow:hidden;
  aspect-ratio:16/9;background:var(--c-surface-alt);
  box-shadow:var(--shadow-1);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:rgba(46,31,99,.06);pointer-events:none;
}
.hero-media .media-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--c-primary);
  font-size:12px;font-weight:600;padding:7px 14px;border-radius:999px;
  letter-spacing:.02em;
}

/* ---------- anchor bar ---------- */
.anchor-bar{
  display:flex;gap:10px;overflow-x:auto;padding:34px 0 0;
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--c-text-2);
  border:1px solid var(--c-line);background:var(--c-surface);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.anchor-pill:hover{border-color:rgba(46,31,99,.35);color:var(--c-primary);}
.anchor-pill.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ---------- compare matrix ---------- */
.compare-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);
  overflow:hidden;
}
.compare-scroll{overflow-x:auto;}
.compare-table{
  width:100%;min-width:880px;border-collapse:separate;border-spacing:0;
}
.compare-table thead th{
  background:var(--c-primary-100);color:var(--c-primary);
  font-size:14px;font-weight:600;text-align:left;
  padding:20px 18px;vertical-align:bottom;
  border-bottom:1px solid var(--c-line);
}
.compare-table thead th .th-sub{display:block;font-size:12px;font-weight:500;color:var(--c-text-3);margin-top:5px;letter-spacing:.02em;}
.compare-table tbody th{
  position:sticky;left:0;z-index:3;
  background:var(--c-surface);
  font-size:14px;font-weight:600;color:var(--c-text);
  text-align:left;padding:0 18px;height:52px;white-space:nowrap;
  border-bottom:1px solid var(--c-line-soft);
}
.compare-table tbody td{
  padding:0 18px;height:52px;font-size:14px;color:var(--c-text-2);
  border-bottom:1px solid var(--c-line-soft);white-space:nowrap;
}
.compare-table tbody tr:nth-child(even) th,
.compare-table tbody tr:nth-child(even) td{background:#FAF8F5;}
.compare-table tbody tr:hover th,
.compare-table tbody tr:hover td{background:rgba(46,31,99,.04);}
.compare-table thead th.col-pick,
.compare-table tbody td.col-pick{
  background:var(--c-primary-100);
  color:var(--c-primary);font-weight:600;
}
.compare-table thead th.col-pick{position:relative;}
.compare-table tbody tr:hover td.col-pick{background:#E5DEF7;}
.pick-badge{
  display:inline-flex;align-items:center;
  font-size:11px;font-weight:700;letter-spacing:.04em;
  color:#fff;background:var(--c-accent);
  padding:3px 9px;border-radius:999px;margin-left:8px;vertical-align:middle;
}

.conclusion{
  display:flex;align-items:flex-start;gap:14px;
  background:var(--c-primary-100);border-radius:12px;
  padding:20px 22px;margin-top:22px;
}
.conclusion .ico{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;
  background:rgba(46,31,99,.1);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
}
.conclusion p{font-size:14.5px;line-height:1.85;color:var(--c-primary);}
.conclusion b{font-weight:700;}

/* ---------- pick cards ---------- */
.pick-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;
}
.pick-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 24px 28px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pick-card:hover{transform:translateY(-2px);border-color:rgba(46,31,99,.2);box-shadow:var(--shadow-2);}
.pick-card.is-feature{
  border:1px solid rgba(46,31,99,.45);
  margin-top:-22px;padding-bottom:34px;
  background:linear-gradient(180deg,#FBF9FF 0%,#FFFFFF 42%);
}
.pick-card .kicker{
  font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--c-text-3);
}
.pick-card h3{font-size:20px;font-weight:600;margin-top:10px;line-height:1.4;}
.pick-card .price-note{
  margin-top:14px;font-size:13px;color:var(--c-text-2);
  padding-top:14px;border-top:1px dashed var(--c-line);
}
.pick-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.pick-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-text-2);line-height:1.75;}
.pick-list li svg{flex:0 0 auto;margin-top:7px;color:var(--c-teal);}
.pick-card .btn{width:100%;margin-top:22px;}

/* ---------- checklist ---------- */
.check-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;
}
.check-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px 20px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.check-item:hover{transform:translateY(-2px);border-color:rgba(46,31,99,.2);box-shadow:var(--shadow-1);}
.check-item .no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--c-primary-100);color:var(--c-primary);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.check-item h3{font-size:16px;font-weight:600;margin-top:16px;line-height:1.5;}
.check-item p{font-size:13.5px;color:var(--c-text-2);line-height:1.8;margin-top:8px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  display:flex;align-items:flex-start;gap:14px;
  padding:20px 4px;cursor:pointer;list-style:none;
  transition:background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(46,31,99,.03);}
.faq-q-mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--c-primary-100);color:var(--c-primary);
  font-size:13px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:3px;
}
.faq-q{font-size:17px;font-weight:600;line-height:1.6;flex:1;color:var(--c-text);}
.faq-icon{flex:0 0 auto;margin-top:4px;color:var(--c-text-3);transition:transform .24s ease-out;}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--c-primary);}
.faq-a{padding:0 4px 22px 44px;font-size:15px;line-height:1.9;color:var(--c-text-2);}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 96px;}
.cta-dark{
  position:relative;overflow:hidden;
  background:var(--c-primary-900);
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:18px 18px;
  border-radius:24px;padding:56px;
}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;position:relative;z-index:2;}
.cta-dark h2{color:#fff;font-size:28px;line-height:1.4;font-weight:600;letter-spacing:-.01em;}
.cta-dark p.lead{color:rgba(255,255,255,.72);font-size:15px;line-height:1.9;margin-top:16px;}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;gap:12px;color:rgba(255,255,255,.86);font-size:14.5px;line-height:1.7;}
.cta-points li span.dot{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;margin-top:4px;
  background:rgba(255,107,53,.18);color:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;
}
.form-card{
  background:var(--c-surface);border-radius:18px;padding:30px;
  box-shadow:0 24px 60px -30px rgba(20,16,43,.7);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.field label{font-size:13px;color:var(--c-text-2);font-weight:500;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:#fff;padding:0 14px;height:48px;font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(46,31,99,.12);
}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3);}
.form-note{font-size:12.5px;color:var(--c-text-3);margin-top:12px;line-height:1.7;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-surface);border-top:1px solid var(--c-line);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--c-text-2);line-height:1.85;max-width:34ch;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--c-text-2);transition:color var(--ease),padding-left var(--ease);}
.footer-col a:hover{color:var(--c-primary);padding-left:4px;}
.footer-contact li{font-size:14px;color:var(--c-text-2);line-height:1.7;}
.footer-contact b{color:var(--c-text);font-weight:600;}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--c-line-soft);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);
}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:80;
  width:44px;height:44px;border-radius:50%;
  background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s ease-out,transform .24s ease-out,visibility .24s;
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-600);}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 28px;}
  .section{padding:72px 0;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:-1;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .cta-dark{padding:40px 32px;}
  .pick-grid{grid-template-columns:1fr 1fr;}
  .pick-card.is-feature{margin-top:0;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}

  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;top:0;right:0;z-index:80;
    width:82vw;max-width:360px;height:100vh;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--c-surface);
    padding:0 22px 28px;overflow-y:auto;
    transform:translateX(103%);
    transition:transform .28s ease-out;
    box-shadow:-18px 0 44px -26px rgba(26,23,48,.5);
  }
  .main-nav.is-open{transform:translateX(0);}
  .drawer-head{
    display:flex;align-items:center;justify-content:space-between;
    height:74px;position:sticky;top:0;background:var(--c-surface);
    border-bottom:1px solid var(--c-line-soft);z-index:2;
  }
  .drawer-close{
    width:40px;height:40px;border-radius:10px;display:inline-flex;
    align-items:center;justify-content:center;color:var(--c-text-2);
    border:1px solid var(--c-line);transition:background var(--ease);
  }
  .drawer-close:hover{background:var(--c-surface-alt);}
  .nav-link{
    display:flex;align-items:center;height:52px;
    border-bottom:1px solid var(--c-line-soft);
    font-size:16px;padding:0;
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--c-primary);font-weight:600;}
  .nav-cta{margin-top:22px;height:50px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:60px 0;}
  .section-title{font-size:24px;}
  .pick-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .cta-dark{padding:32px 20px;border-radius:18px;}
  .cta-dark h2{font-size:23px;}
  .cta-section{padding-bottom:60px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-a{padding-left:4px;}
  .conclusion{flex-direction:column;gap:10px;}
  .brand-text i{display:none;}
}
@media (max-width:520px){
  .cat-title{font-size:26px;}
  .compare-table thead th{padding:16px 14px;font-size:13px;}
  .compare-table tbody th,.compare-table tbody td{padding:0 14px;font-size:13px;}
  .to-top{right:16px;bottom:18px;}
}

/* roulang page: category5 */
:root{
  --c-primary:#2E1F63;
  --c-primary-600:#43318C;
  --c-primary-100:#ECE7F8;
  --c-primary-900:#14102B;
  --c-accent:#FF6B35;
  --c-accent-600:#E8551F;
  --c-teal:#0FA98F;
  --c-amber:#F2B441;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F0EDF7;
  --c-text:#1A1730;
  --c-text-2:#5B5670;
  --c-text-3:#8E8A9E;
  --c-line:#E4E0DA;
  --c-line-soft:rgba(26,23,48,.06);
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(26,23,48,.04),0 12px 28px -18px rgba(26,23,48,.18);
  --shadow-2:0 16px 36px -16px rgba(46,31,99,.24);
  --t:220ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t),transform var(--t),box-shadow var(--t);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:999;}
.skip-link:focus{left:0;}

.container{width:100%;max-width:1200px!important;margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:768px){.container{padding-left:28px;padding-right:28px;}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line-soft);
  transition:box-shadow var(--t),background-color var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(26,23,48,.32);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-text);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-600));
  color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -12px rgba(46,31,99,.7);
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--c-text);}
.brand-text i{font-style:normal;font-size:11px;color:var(--c-text-3);letter-spacing:.04em;}

.main-nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--c-text-2);
  padding:6px 2px;
  font-weight:500;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:100%;
  background:var(--c-accent);
  transform:scaleX(0);transform-origin:left center;
  transition:transform var(--t);
  border-radius:2px;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-cta{
  background:var(--c-accent);
  color:#fff!important;
  padding:10px 20px;
  border-radius:var(--r-btn);
  font-weight:600;
  box-shadow:0 10px 22px -14px rgba(255,107,53,.9);
}
.nav-cta::after{display:none;}
.nav-cta:hover{background:var(--c-accent-600);transform:translateY(-1px);}
.nav-cta:active{transform:translateY(0);box-shadow:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-primary);align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:rgba(46,31,99,.35);}
.drawer-head{display:none;}

@media(max-width:1023px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:0;right:0;height:100dvh;width:82vw;max-width:360px;
    background:var(--c-surface);
    flex-direction:column;align-items:stretch;gap:0;
    padding:0 0 32px;
    transform:translateX(100%);
    transition:transform 260ms ease-out;
    box-shadow:-18px 0 40px -24px rgba(26,23,48,.4);
    overflow-y:auto;z-index:80;
  }
  .main-nav.is-open{transform:translateX(0);}
  .drawer-head{
    display:flex;align-items:center;justify-content:space-between;
    padding:18px 20px;border-bottom:1px solid var(--c-line);margin-bottom:8px;
  }
  .drawer-head .brand-text b{font-size:16px;}
  .drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary);display:flex;align-items:center;justify-content:center;}
  .main-nav .nav-link,.main-nav .nav-cta{
    display:flex;align-items:center;height:52px;padding:0 20px;
    border-bottom:1px solid var(--c-line);
    font-size:15.5px;border-radius:0;background:transparent;box-shadow:none;color:var(--c-text-2);
  }
  .main-nav .nav-link::after{left:20px;right:20px;width:auto;bottom:0;}
  .main-nav .nav-link:hover,.main-nav .nav-link.is-active{background:var(--c-primary-100);color:var(--c-primary);}
  .main-nav .nav-cta{margin:16px 20px 0;border-radius:var(--r-btn);background:var(--c-accent);color:#fff;justify-content:center;border-bottom:none;}
  .main-nav .nav-cta:hover{background:var(--c-accent-600);}
  .nav-overlay{position:fixed;inset:0;background:rgba(20,16,43,.42);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:70;}
  .nav-overlay.is-open{opacity:1;visibility:visible;}
}

/* ---------- Breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--c-text-3);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li::after{content:"/";color:var(--c-line);}
.crumb li:last-child::after{display:none;}
.crumb a{color:var(--c-text-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb .current{color:var(--c-primary);font-weight:600;}

/* ---------- Section base ---------- */
.section{padding:64px 0;}
@media(min-width:768px){.section{padding:76px 0;}}
@media(min-width:1024px){.section{padding:96px 0;}}
.sec-head{max-width:720px;margin-bottom:30px;}
.sec-head h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:600;}
.sec-head p{margin-top:12px;color:var(--c-text-2);font-size:15px;}
.dot-grid{background-image:radial-gradient(rgba(46,31,99,.06) 1px,transparent 1px);background-size:14px 14px;}

/* ---------- Category hero ---------- */
.cat-hero{
  margin-top:20px;
  background:var(--c-surface-alt);
  border:1px solid var(--c-line-soft);
  border-radius:var(--r-lg);
  padding:32px 24px;
  position:relative;
  overflow:hidden;
}
@media(min-width:768px){.cat-hero{padding:44px 40px;}}
.cat-hero-grid{position:relative;z-index:2;display:grid;gap:32px;align-items:center;}
@media(min-width:1024px){.cat-hero-grid{grid-template-columns:1.05fr .95fr;gap:48px;}}
.cat-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(255,255,255,.86);color:var(--c-primary);
  border:1px solid rgba(46,31,99,.14);
  padding:6px 14px;border-radius:999px;
}
.cat-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--c-teal);}
.cat-hero h1{
  margin-top:18px;
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.28;font-weight:700;
}
.cat-hero p.lead{margin-top:16px;color:var(--c-text-2);font-size:16.5px;max-width:56ch;}
.cat-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.fact-chip{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:999px;padding:7px 14px;font-size:13px;color:var(--c-text-2);
}
.fact-chip b{color:var(--c-primary);font-variant-numeric:tabular-nums;}
.hero-media{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:16/9;background:var(--c-surface-alt);box-shadow:var(--shadow-1);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(46,31,99,.06);}

/* ---------- Anchor nav (pills) ---------- */
.anchor-bar{position:sticky;top:72px;z-index:40;padding:14px 0;background:var(--c-bg);border-bottom:1px solid var(--c-line-soft);}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.pill{
  flex:none;display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-text-2);font-size:14px;font-weight:500;white-space:nowrap;
}
.pill:hover{border-color:rgba(46,31,99,.35);color:var(--c-primary);transform:translateY(-1px);}
.pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}
.pill.is-active:hover{transform:none;}

/* ---------- Search ---------- */
.search-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);
}
.search-form{display:flex;gap:12px;flex-wrap:wrap;}
.search-field{
  flex:1 1 260px;position:relative;display:flex;align-items:center;
}
.search-field svg{position:absolute;left:18px;color:var(--c-text-3);}
.search-field input{
  width:100%;height:52px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-bg);padding:0 20px 0 48px;font-size:15px;color:var(--c-text);
  transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.search-field input::placeholder{color:var(--c-text-3);}
.search-field input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(46,31,99,.12);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 12px 24px -16px rgba(255,107,53,.95);}
.btn-primary:hover{background:var(--c-accent-600);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:rgba(46,31,99,.3);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-100);border-color:var(--c-primary);}
.hot-tags{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:18px;}
.hot-tags span.lbl{font-size:13px;color:var(--c-text-3);}
.tag-btn{
  background:var(--c-primary-100);color:var(--c-primary);
  border:1px solid transparent;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;
}
.tag-btn:hover{background:#fff;border-color:rgba(46,31,99,.28);transform:translateY(-1px);}
.search-note{margin-top:14px;font-size:13px;color:var(--c-text-3);}

/* ---------- FAQ waterfall ---------- */
.faq-columns{column-count:1;column-gap:24px;}
@media(min-width:900px){.faq-columns{column-count:2;}}
.faq-item{
  break-inside:avoid;
  display:block;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:18px 20px;
  margin-bottom:18px;
  box-shadow:var(--shadow-1);
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.faq-item:hover{border-color:rgba(46,31,99,.24);box-shadow:var(--shadow-2);}
.faq-item[open]{border-color:rgba(46,31,99,.28);}
.faq-item.is-hidden{display:none;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;gap:14px;align-items:flex-start;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-main{flex:1;min-width:0;}
.faq-cat{
  display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:.02em;
  color:var(--c-primary);background:var(--c-primary-100);
  border-radius:999px;padding:3px 10px;margin-bottom:8px;
}
.faq-cat.teal{color:#0B7D6A;background:rgba(15,169,143,.12);}
.faq-cat.amber{color:#8A5F0B;background:rgba(242,180,65,.18);}
.faq-q{font-size:17px;font-weight:600;line-height:1.6;color:var(--c-text);}
.faq-icon{
  flex:none;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--c-line);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;margin-top:2px;
  transition:transform var(--t),background-color var(--t),border-color var(--t);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--c-primary-100);border-color:rgba(46,31,99,.25);}
.faq-a{padding-top:12px;margin-top:12px;border-top:1px solid var(--c-line-soft);font-size:15px;line-height:1.9;color:var(--c-text-2);}
.faq-a p+p{margin-top:10px;}
.faq-empty{
  display:none;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  max-width:420px;margin:12px auto 0;
  border:1px dashed rgba(46,31,99,.28);border-radius:16px;background:var(--c-surface-alt);
  padding:32px 24px;
}
.faq-empty.is-visible{display:flex;}
.empty-icon{width:48px;height:48px;border-radius:50%;background:#fff;color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.faq-empty b{font-size:15px;font-weight:600;}
.faq-empty span{font-size:13px;color:var(--c-text-3);margin-top:6px;}

/* ---------- Support channels ---------- */
.support{background:var(--c-surface-alt);border-top:1px solid var(--c-line-soft);border-bottom:1px solid var(--c-line-soft);}
.support-grid{display:grid;gap:20px;}
@media(min-width:900px){.support-grid{grid-template-columns:1.35fr 1fr 1fr;}}
.sup-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;flex-direction:column;
}
.sup-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(46,31,99,.2);}
.sup-card.wide{display:grid;gap:22px;}
@media(min-width:640px){.sup-card.wide{grid-template-columns:1.1fr .9fr;align-items:center;}}
.sup-icon{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(46,31,99,.08);color:var(--c-primary);border:1px solid rgba(46,31,99,.16);margin-bottom:16px;
}
.sup-card h3{font-size:18px;font-weight:600;line-height:1.5;}
.sup-card p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--c-text-2);}
.sup-list{margin-top:14px;display:grid;gap:8px;}
.sup-list li{position:relative;padding-left:18px;font-size:14px;color:var(--c-text-2);}
.sup-list li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--c-accent);}
.sup-media{border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--c-surface-alt);}
.sup-media img{width:100%;height:100%;object-fit:cover;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-primary);margin-top:18px;}
.link-arrow svg{transition:transform var(--t);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary-900);color:#fff;border-radius:var(--r-lg);
  padding:36px 24px;position:relative;overflow:hidden;
}
@media(min-width:768px){.cta-band{padding:48px 44px;}}
.cta-inner{position:relative;z-index:2;display:grid;gap:26px;}
@media(min-width:900px){.cta-inner{grid-template-columns:1.4fr auto;align-items:center;}}
.cta-band h2{color:#fff;font-size:clamp(21px,2.3vw,26px);font-weight:600;line-height:1.45;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px;max-width:64ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn-cta{background:var(--c-accent);color:#fff;}
.btn-cta:hover{background:var(--c-accent-600);transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.42);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;}

/* ---------- Footer ---------- */
.site-footer{margin-top:64px;padding:56px 0 28px;background:#FFFFFF;border-top:1px solid var(--c-line);}
.footer-grid{display:grid;gap:34px;}
@media(min-width:700px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--c-text-2);max-width:38ch;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--c-text-2);}
.footer-col a:hover{color:var(--c-primary);}
.footer-contact li{font-size:14px;color:var(--c-text-2);}
.footer-contact b{color:var(--c-text);font-weight:600;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--c-line-soft);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);
}

/* ---------- To top ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--c-primary);color:#fff;border:none;display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 28px -14px rgba(46,31,99,.8);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),visibility var(--t),transform var(--t),background-color var(--t);
  z-index:55;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-600);}

@media(max-width:640px){
  .header-inner{height:64px;}
  .brand-text i{display:none;}
  .cat-hero{padding:26px 18px;}
  .section{padding:56px 0;}
  .faq-q{font-size:16px;}
  .search-panel{padding:18px;}
  .anchor-bar{top:64px;}
}