/* roulang page: index */
:root{
  --bg:#F6F5F1;
  --dark:#111214;
  --primary:#0E5C4A;
  --accent:#D9FF3C;
  --text:#1F2226;
  --text-2:#5F6B72;
  --text-3:#9BA3A7;
  --border:#E8E6DF;
  --success:#0FA968;
  --error:#E5484D;
  --radius:20px;
  --radius-sm:10px;
  --shadow:0 8px 30px rgba(17,18,20,.08);
  --container:1280px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 56px}
.section{padding:96px 0}
.section-head{max-width:800px;margin-bottom:48px}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:rgba(14,92,74,.08);padding:6px 16px;border-radius:999px;margin-bottom:16px;letter-spacing:.02em}
.sec-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(217,255,60,.25)}
.sec-title{font-size:36px;line-height:1.3;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.sec-title em{font-style:normal;color:var(--primary)}
.sec-desc{font-size:17px;line-height:1.8;color:var(--text-2);margin-top:16px;max-width:720px}
.chip{display:inline-flex;align-items:center;background:rgba(14,92,74,.1);color:var(--primary);padding:4px 14px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-new{position:absolute;top:16px;right:16px;background:var(--accent);color:#111214;font-size:11px;font-weight:800;padding:4px 10px;border-radius:999px;letter-spacing:.04em;z-index:3}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:rgba(14,92,74,.18);color:var(--text)}

.progress-bar{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:2000;pointer-events:none;transition:width .08s linear}

.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 28px;border-radius:10px;font-size:16px;font-weight:600;transition:all .2s ease-out;white-space:nowrap;gap:8px}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:var(--primary);transform:translateY(-2px);box-shadow:0 4px 16px rgba(14,92,74,.25)}
.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(14,92,74,.06)}
.btn-accent{background:var(--accent);color:#111214;font-weight:700;position:relative;overflow:hidden}
.btn-accent::after{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.5),transparent);transform:skewX(-20deg);transition:left .3s ease-out}
.btn-accent:hover::after{left:130%}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(217,255,60,.22)}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.45);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.08);border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);font-size:15px;font-weight:600;transition:color .2s}
.btn-ghost:hover{color:var(--primary)}
.btn-ghost i{transition:transform .2s ease-out}
.btn-ghost:hover i{transform:translateX(4px)}

.site-header{position:sticky;top:0;height:68px;background:rgba(255,255,255,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;z-index:1000;transition:background .2s,border-color .2s}
.site-header.scrolled{border-bottom-color:var(--border);background:rgba(255,255,255,.94)}
.header-inner{max-width:var(--container);height:68px;margin:0 auto;padding:0 56px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--text);line-height:1}
.logo-mark{width:36px;height:36px;border-radius:9px;background:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-mark svg{width:20px;height:20px;stroke:var(--accent);fill:none;stroke-width:2.2;stroke-linecap:round}
.logo-word{letter-spacing:-.01em}
.logo-badge{font-size:10px;font-weight:700;color:#fff;background:var(--primary);padding:2px 6px;border-radius:5px;vertical-align:super;margin-left:2px;letter-spacing:.06em}
.nav-menu{display:flex;align-items:center;gap:34px}
.nav-close{display:none}
.nav-link{font-size:15px;font-weight:500;color:var(--text-2);position:relative;padding:10px 2px;transition:color .2s}
.nav-link:hover{color:var(--primary)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--primary)}
.nav-cta{height:40px;padding:0 22px;border-radius:10px;background:var(--dark);color:#fff;font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:all .2s ease-out}
.nav-cta:hover{background:var(--primary);transform:translateY(-1px);box-shadow:0 4px 14px rgba(14,92,74,.22)}
.burger{display:none;width:40px;height:40px;border-radius:10px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border);transition:border-color .2s}
.burger:hover{border-color:var(--primary)}
.burger span{position:relative;width:18px;height:2px;background:var(--text);border-radius:2px}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

.hero{position:relative;background:var(--dark);color:#fff;min-height:calc(100vh - 68px);display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.34;z-index:0}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(17,18,20,.94) 0%,rgba(17,18,20,.72) 55%,rgba(17,18,20,.5) 100%)}
.hero-inner{position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:96px 56px;display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(217,255,60,.14);color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.06em;padding:7px 18px;border-radius:999px;margin-bottom:26px;border:1px solid rgba(217,255,60,.22)}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero-title{font-size:64px;line-height:1.12;font-weight:800;letter-spacing:-.02em;margin-bottom:22px;max-width:640px}
.hero-title .line{display:inline-block}
.hero-title .accent-text{color:var(--accent)}
.hero-sub{font-size:22px;line-height:1.7;color:rgba(255,255,255,.78);max-width:500px;margin-bottom:38px;font-weight:400}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-frame{border-radius:24px;overflow:hidden;background:#2A2D31;aspect-ratio:16/10;box-shadow:0 30px 80px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.08)}
.hero-frame img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.hero-frame:hover img{transform:scale(1.03)}
.hero-float-card{position:absolute;bottom:-26px;left:-34px;background:#fff;color:var(--text);border-radius:16px;padding:20px 24px;box-shadow:0 16px 40px rgba(0,0,0,.28);min-width:190px;z-index:3}
.hc-label{font-size:12px;font-weight:600;color:var(--text-3);letter-spacing:.02em;margin-bottom:4px}
.hc-score{font-size:30px;font-weight:800;color:var(--primary);letter-spacing:.01em;line-height:1.2}
.hc-meta{font-size:13px;color:var(--text-2);margin-top:4px;display:flex;align-items:center;gap:6px}
.hc-meta::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success)}

.stats-bar{background:var(--primary);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.stats-grid{max-width:var(--container);margin:0 auto;padding:44px 56px;display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item{text-align:center;padding:8px 0}
.stat-num{font-size:48px;line-height:1.1;font-weight:800;color:var(--accent);letter-spacing:-.02em}
.stat-suffix{font-size:30px;font-weight:700;color:var(--accent)}
.stat-label{font-size:14px;color:rgba(255,255,255,.82);margin-top:8px;letter-spacing:.04em}

.collections{background:var(--bg)}
.collection-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dir-card{display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;transition:border-color .2s ease-out,box-shadow .2s ease-out;position:relative;overflow:hidden}
.dir-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.dir-media{width:92px;height:92px;border-radius:14px;overflow:hidden;flex-shrink:0;background:var(--border)}
.dir-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.dir-card:hover .dir-media img{transform:scale(1.06)}
.dir-body{flex:1;min-width:0}
.dir-name{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:4px}
.dir-count{font-size:14px;color:var(--text-3)}
.dir-arrow{width:40px;height:40px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--text-3);font-size:18px;transition:all .2s ease-out}
.dir-card:hover .dir-arrow{border-color:var(--primary);color:var(--primary);transform:translateX(4px)}

.features{background:var(--bg);border-top:1px solid var(--border)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px 26px;transition:all .2s ease-out}
.feature-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-3px)}
.feature-icon{width:52px;height:52px;border-radius:14px;background:rgba(14,92,74,.08);display:flex;align-items:center;justify-content:center;color:var(--primary);margin-bottom:20px}
.feature-icon svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.feature-title{font-size:19px;font-weight:700;line-height:1.4;margin-bottom:10px}
.feature-text{font-size:14px;line-height:1.8;color:var(--text-2)}

.topics{background:#ECEBE6;border-top:1px solid var(--border)}
.topic-scroll{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:18px;scrollbar-width:thin;scrollbar-color:var(--primary) var(--border)}
.topic-scroll::-webkit-scrollbar{height:6px;background:var(--border);border-radius:4px}
.topic-scroll::-webkit-scrollbar-thumb{background:var(--primary);border-radius:4px}
.topic-card{flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .2s ease-out;position:relative}
.topic-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-3px)}
.topic-media{aspect-ratio:16/10;overflow:hidden;background:var(--border);position:relative}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.topic-card:hover .topic-media img{transform:scale(1.04)}
.topic-body{padding:22px 20px 24px}
.topic-body .chip{margin-bottom:14px}
.topic-title{font-size:19px;font-weight:700;line-height:1.45;margin-bottom:10px}
.topic-text{font-size:14px;line-height:1.8;color:var(--text-2);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.topic-meta i{font-style:normal;display:flex;align-items:center;gap:5px}
.topic-meta i::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary)}

.news-section{background:var(--bg)}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.news-head .btn-ghost{flex-shrink:0}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 22px;display:flex;flex-direction:column;gap:14px;transition:all .2s ease-out;min-height:220px}
.news-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-3px)}
.news-card .chip{align-self:flex-start}
.news-title{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--text)}
.news-excerpt{font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.news-time{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:7px;margin-top:auto}
.news-time::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary)}
.empty-state{border:1px dashed var(--border);border-radius:var(--radius);padding:60px 32px;text-align:center;color:var(--text-3);grid-column:1/-1}
.empty-icon{font-size:38px;margin-bottom:12px;opacity:.6}
.empty-state p{font-size:16px;letter-spacing:.02em}

.faq{background:var(--bg);border-top:1px solid var(--border)}
.faq-wrap{max-width:820px}
.faq-item{border-bottom:1px solid var(--border);transition:background .2s}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-item.open{background:#FAFAF8}
.faq-item.open .faq-q{color:var(--primary)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;font-size:18px;font-weight:700;color:var(--text);text-align:left;transition:color .2s;border-left:3px solid transparent}
.faq-item.open .faq-q{border-left-color:var(--primary)}
.faq-q:hover{color:var(--primary)}
.faq-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:400;color:var(--text-2);transition:transform .2s ease-out;background:#fff}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:var(--primary);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out}
.faq-a-inner{padding:2px 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq-a-inner p{margin-bottom:1em}
.faq-a-inner p:last-child{margin-bottom:0}

.cta-block{background:var(--dark);color:#fff;padding:100px 0;position:relative;border-bottom:1px solid rgba(255,255,255,.06)}
.cta-block::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:320px;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent)}
.cta-inner{text-align:center;max-width:760px;margin:0 auto;padding:0 24px}
.cta-title{font-size:36px;font-weight:800;line-height:1.3;letter-spacing:-.01em;margin-bottom:18px}
.cta-sub{font-size:18px;line-height:1.7;color:rgba(255,255,255,.72);margin-bottom:36px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

.site-footer{background:var(--dark);color:#fff}
.footer-main{max-width:var(--container);margin:0 auto;padding:80px 56px 56px;display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:56px}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand .logo-mark{background:rgba(217,255,60,.14)}
.footer-desc{font-size:15px;line-height:1.8;color:rgba(255,255,255,.68);max-width:320px}
.footer-title{font-size:14px;font-weight:700;color:rgba(255,255,255,.5);letter-spacing:.06em;margin-bottom:20px;text-transform:uppercase}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:15px;color:rgba(255,255,255,.8);transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{font-size:15px;color:rgba(255,255,255,.76);margin-bottom:14px;display:flex;align-items:flex-start;gap:10px;line-height:1.7}
.footer-contact i{font-style:normal;color:var(--accent);flex-shrink:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08)}
.footer-bottom-inner{max-width:var(--container);margin:0 auto;padding:24px 56px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:rgba(255,255,255,.5)}
.footer-bottom-inner a{color:rgba(255,255,255,.6);transition:color .2s}
.footer-bottom-inner a:hover{color:var(--accent)}

.fade-up{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out}
.fade-up.visible{opacity:1;transform:translateY(0)}

@media (max-width:1200px){
  .hero-title{font-size:48px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;padding:36px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(3,1fr)}
  .collection-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1024px){
  .section{padding:80px 0}
  .hero-inner{grid-template-columns:1fr;gap:56px;padding:80px 32px}
  .hero-title{max-width:100%}
  .hero-visual{max-width:640px}
  .collection-grid{grid-template-columns:repeat(2,1fr)}
  .dir-card:last-child{grid-column:span 2}
  .footer-main{grid-template-columns:1fr 1fr;gap:44px}
  .container,.header-inner,.stats-grid,.topic-scroll-wrap,.footer-bottom-inner{padding-left:32px;padding-right:32px}
  .topic-card{flex-basis:300px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .header-inner{padding:0 24px}
  .nav-menu{position:fixed;top:0;right:-100%;bottom:0;width:320px;max-width:86vw;background:#fff;color:var(--text);flex-direction:column;align-items:flex-start;justify-content:flex-start;padding:80px 36px 36px;gap:0;box-shadow:-20px 0 50px rgba(0,0,0,.12);transition:right .25s ease-out;z-index:1500;overflow-y:auto}
  .nav-menu.open{right:0}
  .nav-menu .nav-link{font-size:17px;padding:16px 0;width:100%;border-bottom:1px solid var(--border);color:var(--text);opacity:0;transform:translateX(14px);transition:opacity .2s ease-out,transform .2s ease-out}
  .nav-menu.open .nav-link{opacity:1;transform:translateX(0)}
  .nav-menu.open .nav-link:nth-child(1){transition-delay:.05s}
  .nav-menu.open .nav-link:nth-child(2){transition-delay:.09s}
  .nav-menu.open .nav-link:nth-child(3){transition-delay:.13s}
  .nav-menu.open .nav-link:nth-child(4){transition-delay:.17s}
  .nav-cta.navbar-cta{display:none}
  .nav-menu .m-nav-cta{margin-top:24px;width:100%}
  .burger{display:inline-flex;position:relative;z-index:1601}
  .nav-close{display:flex;position:absolute;top:18px;right:20px;width:38px;height:38px;border-radius:50%;border:1px solid var(--border);align-items:center;justify-content:center;font-size:16px;color:var(--text-2);transition:all .2s;background:#fff}
  .nav-close:hover{border-color:var(--primary);color:var(--primary)}
  .hero-inner{padding:68px 24px 80px}
  .hero-title{font-size:40px;line-height:1.18}
  .hero-sub{font-size:19px}
  .hero-actions .btn{width:100%}
  .hero-float-card{left:12px;bottom:-20px}
  .stats-grid{grid-template-columns:1fr 1fr;padding:32px 24px}
  .stat-num{font-size:38px}
  .collection-grid{grid-template-columns:1fr;gap:18px}
  .dir-card:last-child{grid-column:auto}
  .feature-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr 1fr}
  .footer-main{grid-template-columns:1fr;padding:64px 24px 40px;gap:36px}
  .footer-bottom-inner{padding:20px 24px}
  .sec-title{font-size:30px}
  .cta-title{font-size:30px}
  .topic-card{flex-basis:280px}
  .container,.header-inner{padding-left:20px;padding-right:20px}
}
@media (max-width:560px){
  .section{padding:56px 0}
  .hero{padding-top:0}
  .hero-title{font-size:32px}
  .hero-sub{font-size:17px}
  .hero-actions{gap:12px;flex-direction:column}
  .hero-frame{border-radius:16px}
  .hero-float-card{display:none}
  .news-grid{grid-template-columns:1fr}
  .stats-grid{gap:12px;padding:24px 20px}
  .stat-num{font-size:32px}
  .stat-label{font-size:13px}
  .section-head{margin-bottom:32px}
  .news-head{flex-direction:column;align-items:flex-start;gap:12px}
  .dir-card{padding:18px}
  .dir-media{width:76px;height:76px}
  .sec-title{font-size:26px}
  .feature-card{padding:24px 20px}
  .faq-q{padding:16px;font-size:16px}
  .faq-a-inner{padding:2px 16px 18px}
  .cta-block{padding:72px 0}
  .cta-title{font-size:26px}
  .cta-sub{font-size:16px}
  .footer-links a{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .fade-up{opacity:1;transform:none}
}

/* roulang page: category1 */
:root {
            --bg: #F6F5F1;
            --bg-deep: #111214;
            --primary: #0E5C4A;
            --accent: #D9FF3C;
            --text-main: #1F2226;
            --text-sub: #5F6B72;
            --text-muted: #9BA3A7;
            --border: #E8E6DF;
            --white: #FFFFFF;
            --success: #0FA968;
            --error: #E5484D;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 30px rgba(17, 18, 20, 0.08);
            --font: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            display: block;
            max-width: 100%;
            background: var(--border);
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 56px;
        }

        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: var(--accent);
            z-index: 1000;
            width: 0;
            transition: width 0.1s linear;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 68px;
            background: rgba(255, 255, 255, 0.9);
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(0);
            transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px);
            box-shadow: 0 4px 20px rgba(17, 18, 20, 0.04);
        }

        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 56px;
            height: 68px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo-mark svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: #fff;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .logo-word {
            font-size: 18px;
            font-weight: 750;
            letter-spacing: 0.01em;
            color: var(--text-main);
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-close {
            display: none;
        }

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            padding: 8px 2px;
            transition: color 0.2s ease-out;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: -2px;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--primary);
            transform: translateX(-50%) scale(0);
            transition: transform 0.2s ease-out;
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            transform: translateX(-50%) scale(1);
        }

        .navbar-cta {
            display: inline-flex;
            align-items: center;
            height: 40px;
            padding: 0 20px;
            border-radius: 10px;
            background: var(--bg-deep);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: background 0.2s ease-out, transform 0.2s ease-out, box-shadow 0.2s ease-out;
            flex-shrink: 0;
        }

        .navbar-cta:hover {
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(14, 92, 74, 0.25);
            transform: translateY(-2px);
        }

        .burger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .burger span,
        .burger span::before,
        .burger span::after {
            content: "";
            position: absolute;
            left: 12px;
            width: 16px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: background 0.2s;
        }

        .burger span {
            top: 50%;
            transform: translateY(-50%);
        }

        .burger span::before {
            top: -5px;
        }

        .burger span::after {
            top: 5px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 52px;
            padding: 0 28px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            transition: all 0.2s ease-out;
            border: 1px solid transparent;
            line-height: 1;
            white-space: nowrap;
        }

        .btn-dark {
            background: var(--bg-deep);
            color: #fff;
        }

        .btn-dark:hover {
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(14, 92, 74, 0.25);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: #111214;
            font-weight: 700;
            position: relative;
            overflow: hidden;
        }

        .btn-accent::after {
            content: "";
            position: absolute;
            top: 0;
            left: -120%;
            width: 60%;
            height: 100%;
            background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.5), transparent);
            transform: skewX(-20deg);
            transition: left 0.3s ease-out;
        }

        .btn-accent:hover::after {
            left: 160%;
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(217, 255, 60, 0.25);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(217, 255, 60, 0.06);
        }

        /* Category Hero */
        .cat-hero {
            background: var(--bg-deep);
            color: #fff;
            padding: 96px 0 88px;
            position: relative;
            overflow: hidden;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.22;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(17, 18, 20, 0.92) 0%, rgba(17, 18, 20, 0.55) 60%, rgba(17, 18, 20, 0.8) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 780px;
            margin: 0 auto;
            text-align: center;
            padding: 0 20px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #111214;
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: clamp(38px, 4.8vw, 52px);
            line-height: 1.2;
            font-weight: 750;
            letter-spacing: 0.01em;
            color: #fff;
        }

        .hero-divider {
            width: 40px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin: 22px auto;
        }

        .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.78);
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Feature Cover */
        .feature-cover {
            padding: 72px 0 0;
        }

        .cover-card {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            aspect-ratio: 16 / 7;
            background: var(--border);
        }

        .cover-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .cover-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(14, 92, 74, 0.72) 0%, rgba(17, 18, 20, 0.34) 55%, rgba(17, 18, 20, 0.12) 100%);
        }

        .cover-content {
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
            max-width: 520px;
            padding: 0 64px;
        }

        .cover-content h2 {
            color: #fff;
            font-size: clamp(26px, 3.2vw, 36px);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cover-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            line-height: 1.7;
        }

        .cover-scroll {
            position: absolute;
            right: 32px;
            bottom: 24px;
            z-index: 2;
            color: #fff;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
            opacity: 0.8;
        }

        /* Sections */
        .section {
            padding: 80px 0;
        }

        .section-head {
            max-width: 720px;
            margin-bottom: 44px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(14, 92, 74, 0.08);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(28px, 3.4vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        /* Info Grid */
        .info-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .info-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: border-color 0.2s ease-out, box-shadow 0.2s ease-out, transform 0.2s ease-out;
            scroll-margin-top: 90px;
        }

        .info-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }

        .info-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(14, 92, 74, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .info-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .info-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* Directory */
        .directory {
            background: var(--bg);
            padding: 80px 0;
        }

        .directory-list {
            max-width: 900px;
            margin: 0 auto;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 8px 28px;
        }

        .directory-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 4px;
            border-bottom: 1px solid var(--border);
            transition: background 0.2s;
        }

        .directory-item:last-child {
            border-bottom: none;
        }

        .directory-num {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            width: 32px;
            flex-shrink: 0;
        }

        .directory-name {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
        }

        .directory-line {
            flex: 1;
            border-bottom: 1px dashed var(--border);
        }

        .directory-arrow {
            color: var(--text-muted);
            font-size: 16px;
            transition: transform 0.2s ease-out, color 0.2s ease-out;
            flex-shrink: 0;
        }

        .directory-item:hover {
            background: rgba(14, 92, 74, 0.02);
        }

        .directory-item:hover .directory-arrow {
            transform: translateX(4px);
            color: var(--primary);
        }

        /* Featured */
        .featured {
            padding: 80px 0;
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: start;
        }

        .f-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
        }

        .f-card:nth-child(2) {
            transform: translateY(20px);
        }

        .f-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }

        .f-card:hover .f-card-media img {
            transform: scale(1.03);
        }

        .f-card-media {
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--border);
        }

        .f-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.24s ease-out;
        }

        .f-card-body {
            padding: 20px;
        }

        .f-chip {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(14, 92, 74, 0.08);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .f-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .f-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* Related */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        /* FAQ */
        .faq-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 80px 0;
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 0;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            text-align: left;
            transition: color 0.2s;
        }

        .faq-q:hover {
            color: var(--primary);
        }

        .faq-icon {
            font-size: 22px;
            font-weight: 400;
            color: var(--text-muted);
            transition: transform 0.2s ease-out, color 0.2s ease-out;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-item.open .faq-q {
            color: var(--primary);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease-out;
        }

        .faq-a-inner {
            padding: 0 0 20px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 760px;
        }

        .faq-item.open .faq-a {
            max-height: 300px;
        }

        /* CTA */
        .cta-section {
            background: var(--bg-deep);
            color: #fff;
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .cta-inner h2 {
            font-size: clamp(28px, 3.6vw, 38px);
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }

        .footer-main {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 56px 48px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
        }

        .footer-brand .logo-word {
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-top: 16px;
            max-width: 320px;
        }

        .footer-title {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.45);
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-links li+li {
            margin-top: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            margin-bottom: 10px;
            line-height: 1.6;
            word-break: break-all;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
        }

        .footer-bottom-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 56px;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
        }

        /* Reveal animation */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.4s ease-out, transform 0.4s ease-out;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation: none !important;
                transition: opacity 0.1s ease-out !important;
            }
            .reveal {
                opacity: 1;
                transform: none;
            }
            html {
                scroll-behavior: auto;
            }
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .container,
            .header-inner,
            .footer-main,
            .footer-bottom-inner {
                padding-left: 32px;
                padding-right: 32px;
            }
            .info-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .f-card:nth-child(2) {
                transform: translateY(0);
            }
            .f-card:nth-child(3) {
                grid-column: span 2;
            }
            .footer-main {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .footer-main>div:last-child {
                grid-column: span 3;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding-left: 20px;
                padding-right: 20px;
            }
            .burger {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                width: min(320px, 82vw);
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                justify-content: flex-start;
                gap: 0;
                padding: 68px 24px 24px;
                transform: translateX(100%);
                transition: transform 0.24s ease-out;
                z-index: 200;
                box-shadow: -10px 0 40px rgba(17, 18, 20, 0.12);
            }
            .nav-menu.open {
                transform: translateX(0);
            }
            .nav-close {
                display: flex;
                position: absolute;
                top: 16px;
                right: 16px;
                width: 40px;
                height: 40px;
                border-radius: 8px;
                border: 1px solid var(--border);
                align-items: center;
                justify-content: center;
                font-size: 16px;
                color: var(--text-main);
            }
            .nav-link {
                display: flex;
                align-items: center;
                min-height: 48px;
                font-size: 16px;
                border-bottom: 1px solid var(--border);
                padding: 0 4px;
                color: var(--text-main);
            }
            .nav-link::after {
                display: none;
            }
            .nav-link.active {
                color: var(--primary);
                background: rgba(14, 92, 74, 0.04);
                padding-left: 12px;
                border-radius: 8px;
            }
            .m-nav-cta {
                margin-top: 20px;
                justify-content: center;
                display: flex;
            }
            .navbar-cta {
                display: none;
            }
            .cat-hero {
                padding: 72px 0 64px;
            }
            .feature-cover {
                padding: 48px 0 0;
            }
            .cover-card {
                aspect-ratio: 16 / 10;
            }
            .cover-content {
                padding: 0 28px;
                max-width: 85%;
            }
            .cover-scroll {
                display: none;
            }
            .section {
                padding: 56px 0;
            }
            .directory {
                padding: 56px 0;
            }
            .featured {
                padding: 56px 0;
            }
            .faq-section {
                padding: 56px 0;
            }
            .cta-section {
                padding: 64px 0;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
                padding: 0 32px 40px;
            }
            .footer-main>div:last-child {
                grid-column: span 2;
            }
            .footer-bottom-inner {
                padding: 0 32px;
            }
        }

        @media (max-width: 560px) {
            .container,
            .header-inner,
            .footer-main,
            .footer-bottom-inner {
                padding-left: 20px;
                padding-right: 20px;
            }
            .logo-word {
                font-size: 16px;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .info-grid {
                grid-template-columns: 1fr;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .f-card:nth-child(3) {
                grid-column: span 1;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cover-card {
                aspect-ratio: 4 / 5;
                min-height: 320px;
            }
            .cover-content {
                max-width: 100%;
                padding: 0 24px;
            }
            .directory-list {
                padding: 4px 20px;
            }
            .directory-item {
                gap: 12px;
            }
            .directory-num {
                width: 26px;
            }
            .footer-main {
                grid-template-columns: 1fr;
                padding: 0 20px 36px;
            }
            .footer-main>div:last-child {
                grid-column: span 1;
            }
            .footer-bottom-inner {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
  --canvas: #F6F5F1;
  --ink: #111214;
  --paper: #FFFFFF;
  --primary: #0E5C4A;
  --accent: #D9FF3C;
  --text: #1F2226;
  --text-2: #5F6B72;
  --text-3: #9BA3A7;
  --border: #E8E6DF;
  --success: #0FA968;
  --error: #E5484D;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 30px rgba(17, 18, 20, 0.08);
  --shadow-btn: 0 4px 16px rgba(14, 92, 74, 0.25);
  --container: 1280px;
  --font-sans: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--canvas); color: var(--text); font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
.container { max-width: 1280px; margin: 0 auto; padding-left: 56px; padding-right: 56px; }
.scroll-progress { position: fixed; top: 0; left: 0; width: 100%; height: 3px; z-index: 1000; background: transparent; pointer-events: none; }
.scroll-progress span { display: block; height: 100%; width: 0%; background: var(--accent); }
@media (max-width: 1023px) { .scroll-progress { display: none; } }

/* Header & Nav */
.site-header { position: sticky; top: 0; z-index: 100; height: 68px; background: rgba(255,255,255,0.85); backdrop-filter: blur(0); transition: background .3s ease, border-color .3s ease, box-shadow .3s ease; border-bottom: 1px solid transparent; }
.site-header.scrolled { background: rgba(255,255,255,0.92); backdrop-filter: blur(16px); border-bottom-color: var(--border); box-shadow: 0 4px 20px rgba(17,18,20,0.05); }
.header-inner { max-width: var(--container); height: 68px; margin: 0 auto; padding: 0 56px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--ink); white-space: nowrap; }
.logo-mark { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; color: var(--primary); }
.logo-mark svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.nav-menu { display: flex; align-items: center; gap: 28px; }
.nav-link { position: relative; font-size: 15px; font-weight: 500; color: var(--text-2); padding: 10px 2px; transition: color .2s ease; }
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after { content: ''; position: absolute; left: 50%; bottom: 0; width: 4px; height: 4px; border-radius: 50%; background: var(--primary); transform: translateX(-50%); }
.nav-overlay { position: fixed; inset: 0; background: rgba(17,18,20,0.5); z-index: 150; opacity: 0; pointer-events: none; transition: opacity .3s ease; }
.nav-overlay.show { opacity: 1; pointer-events: auto; }
.nav-close { display: none; }
.m-nav-cta { display: none; }
.burger { display: none; flex-direction: column; gap: 5px; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 8px; }
.burger span { display: block; width: 20px; height: 2px; background: var(--ink); transition: transform .24s ease, opacity .24s ease; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 28px; border-radius: 10px; font-size: 16px; font-weight: 600; transition: all .22s ease-out; white-space: nowrap; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-btn); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #0b4d3e; transform: translateY(-2px); box-shadow: var(--shadow-btn); }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: rgba(14,92,74,0.05); }
.btn-accent { background: var(--accent); color: var(--ink); font-weight: 700; }
.btn-accent:hover { box-shadow: 0 0 0 4px rgba(217,255,60,0.2); transform: translateY(-2px); }
.btn:focus-visible, .nav-link:focus-visible, .burger:focus-visible, .nav-close:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Article Hero */
.article-hero { position: relative; background: var(--ink); color: #fff; padding: 120px 0 72px; overflow: hidden; }
.article-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .35; z-index: 0; }
.article-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(17,18,20,0.92) 0%, rgba(17,18,20,0.65) 60%, rgba(17,18,20,0.35) 100%); z-index: 1; }
.article-hero .container { position: relative; z-index: 2; }
.article-hero-content { max-width: 840px; animation: fadeUp .4s ease-out both; }
.hero-chip { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--ink); font-size: 13px; font-weight: 700; padding: 6px 16px; border-radius: 999px; margin-bottom: 24px; letter-spacing: .05em; }
.hero-chip::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.article-hero-title { font-size: 46px; line-height: 1.18; font-weight: 750; margin-bottom: 20px; letter-spacing: -0.01em; }
.article-hero-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; color: rgba(255,255,255,0.78); font-size: 14px; }
.meta-dot { color: var(--accent); font-size: 10px; }

/* Breadcrumb */
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 14px; color: var(--text-3); padding: 28px 0 8px; }
.breadcrumb a { color: var(--text-2); transition: color .2s ease; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--text-3); margin: 0 2px; }
.breadcrumb .current { color: var(--primary); max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Article Layout */
.article-layout { max-width: 760px; margin: 0 auto; padding-top: 8px; padding-bottom: 80px; }

/* Article Content */
.article-content { font-size: 17px; line-height: 1.8; color: var(--text); }
.article-content p { margin: 0 0 1.5em; }
.article-content h2 { font-size: 30px; line-height: 1.3; font-weight: 700; margin: 56px 0 20px; }
.article-content h3 { font-size: 24px; line-height: 1.4; font-weight: 650; margin: 40px 0 16px; }
.article-content h4 { font-size: 20px; line-height: 1.4; font-weight: 650; margin: 32px 0 12px; }
.article-content blockquote { border-left: 3px solid var(--primary); background: #F1F0EC; padding: 20px 24px; border-radius: 8px; color: var(--text-2); margin: 28px 0; font-size: 16px; }
.article-content ul, .article-content ol { margin: 0 0 1.5em; padding-left: 0; list-style: none; }
.article-content ul li { position: relative; padding-left: 20px; margin-bottom: 10px; }
.article-content ul li::before { content: ''; position: absolute; left: 2px; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.article-content ol { counter-reset: item; }
.article-content ol li { position: relative; padding-left: 28px; margin-bottom: 10px; counter-increment: item; }
.article-content ol li::before { content: counter(item, decimal-leading-zero); position: absolute; left: 0; top: 0; font-size: 13px; font-weight: 700; color: var(--primary); }
.article-content img { border-radius: 16px; margin: 28px 0; width: 100%; height: auto; }
.article-content figcaption { text-align: center; font-size: 14px; color: var(--text-3); margin-top: -16px; margin-bottom: 28px; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: rgba(14,92,74,0.3); }
.article-content a:hover { text-decoration-color: var(--primary); }

/* Tags */
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border); }
.article-tag { display: inline-flex; align-items: center; padding: 6px 16px; border: 1px solid rgba(14,92,74,0.35); border-radius: 999px; font-size: 13px; color: var(--primary); transition: background .2s ease, border-color .2s ease; }
.article-tag:hover { background: rgba(14,92,74,0.05); border-color: var(--primary); }

/* Related */
.related-section { margin-top: 56px; padding-top: 12px; }
.related-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; gap: 16px; flex-wrap: wrap; }
.related-head h2 { font-size: 28px; font-weight: 700; }
.related-link { font-size: 14px; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; transition: gap .2s ease; }
.related-link:hover { gap: 10px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.rec-card { background: var(--paper); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease; }
.rec-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: var(--primary); }
.rec-card .card-img { aspect-ratio: 16 / 10; background: #E8E6DF; overflow: hidden; }
.rec-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .24s ease; }
.rec-card:hover .card-img img { transform: scale(1.03); }
.card-body { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-tag { align-self: flex-start; padding: 3px 10px; background: rgba(14,92,74,0.1); color: var(--primary); border-radius: 999px; font-size: 12px; font-weight: 600; }
.card-title { font-size: 18px; font-weight: 700; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.8em; transition: color .2s ease; }
.rec-card:hover .card-title { color: var(--primary); }
.card-desc { font-size: 14px; line-height: 1.65; color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* Back Line */
.article-back { margin-top: 56px; padding-top: 48px; border-top: 1px solid var(--border); }
.back-link { display: inline-flex; align-items: center; gap: 10px; padding: 14px 28px; border: 1px solid var(--primary); border-radius: 10px; color: var(--primary); font-size: 15px; font-weight: 600; transition: background .2s ease, box-shadow .2s ease, transform .2s ease; }
.back-link:hover { background: rgba(14,92,74,0.05); box-shadow: 0 4px 16px rgba(14,92,74,0.1); transform: translateY(-2px); }
.back-link .btn-arrow { line-height: 1; }

/* Not Found */
.not-found { min-height: 60vh; display: flex; align-items: center; justify-content: center; padding: 80px 0; }
.not-found-box { max-width: 480px; text-align: center; background: var(--paper); border: 1px dashed var(--border); border-radius: var(--radius-lg); padding: 64px 40px; }
.not-found-box h1 { font-size: 32px; margin-bottom: 12px; }
.not-found-box p { color: var(--text-2); margin-bottom: 28px; }

/* Article CTA */
.article-cta { background: var(--ink); color: #fff; padding: 88px 0; text-align: center; }
.article-cta h2 { font-size: 32px; margin-bottom: 12px; }
.article-cta p { color: rgba(255,255,255,0.65); margin-bottom: 28px; }
.article-cta .btn-accent { box-shadow: 0 8px 32px rgba(217,255,60,0.18); }

/* Footer */
.site-footer { background: var(--ink); color: #fff; }
.footer-main { max-width: var(--container); margin: 0 auto; padding: 64px 56px 48px; display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 48px; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); margin-top: 16px; max-width: 320px; }
.footer-title { font-size: 14px; color: var(--text-3); margin-bottom: 16px; font-weight: 600; letter-spacing: .05em; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.65); transition: color .2s ease; }
.footer-links a:hover { color: var(--accent); }
.footer-contact { list-style: none; font-size: 14px; color: rgba(255,255,255,0.6); line-height: 2.2; }
.footer-contact li { display: flex; align-items: center; gap: 8px; }
.footer-contact i { color: var(--accent); font-style: normal; font-size: 13px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; }
.footer-bottom-inner { max-width: var(--container); margin: 0 auto; padding: 0 56px; display: flex; align-items: center; justify-content: space-between; color: rgba(255,255,255,0.4); font-size: 13px; }

/* Animation */
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* Responsive */
@media (min-width: 1024px) { .nav-overlay { display: none; } }
@media (max-width: 1023px) {
  .container { padding-left: 32px; padding-right: 32px; }
  .header-inner { padding: 0 32px; }
  .nav-menu { position: fixed; top: 0; right: 0; bottom: 0; width: min(320px, 85vw); background: var(--paper); flex-direction: column; align-items: flex-start; justify-content: flex-start; padding: 80px 24px 24px; gap: 0; box-shadow: -20px 0 60px rgba(17,18,20,0.12); transform: translateX(100%); transition: transform .3s ease; z-index: 200; }
  .nav-menu.open { transform: translateX(0); }
  .nav-close { display: flex; position: absolute; top: 18px; right: 18px; width: 40px; height: 40px; align-items: center; justify-content: center; font-size: 18px; color: var(--text); border-radius: 8px; }
  .nav-close:hover { background: var(--canvas); }
  .nav-menu .nav-link { width: 100%; padding: 16px 0; border-bottom: 1px solid var(--border); font-size: 16px; }
  .nav-menu .nav-link.active::after { display: none; }
  .nav-menu .nav-link.active { color: var(--primary); }
  .m-nav-cta { display: flex !important; margin-top: 24px; width: 100%; }
  .navbar-cta { display: none !important; }
  .burger { display: flex; }
  .footer-main { padding: 48px 32px; grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom-inner { padding: 0 32px; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .article-hero-title { font-size: 36px; }
}
@media (max-width: 767px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .header-inner { padding: 0 20px; }
  .footer-main { padding: 40px 20px; grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom-inner { padding: 0 20px; flex-direction: column; gap: 4px; text-align: center; }
  .article-hero { padding: 80px 0 48px; }
  .article-hero-title { font-size: 28px; }
  .related-grid { grid-template-columns: 1fr; }
  .breadcrumb { padding-top: 16px; }
  .article-cta { padding: 64px 0; }
  .article-cta h2 { font-size: 26px; }
}
@media (max-width: 559px) { .article-content { font-size: 16px; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.1s !important; transition-duration: 0.1s !important; }
}

/* roulang page: category2 */
:root{
--canvas:#F6F5F1;--ink:#111214;--primary:#0E5C4A;--accent:#D9FF3C;--heading:#1F2226;--text:#5F6B72;--muted:#9BA3A7;--border:#E8E6DF;--success:#0FA968;--error:#E5484D;--radius:20px;--radius-sm:10px;--shadow:0 8px 30px rgba(17,18,20,.08);
--font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--canvas);color:var(--text);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{max-width:1280px;margin:0 auto;padding:0 56px}
@media(max-width:1199px){.container{padding:0 32px}}
@media(max-width:767px){.container{padding:0 20px}}

/* Scroll progress */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:200}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 28px;border-radius:var(--radius-sm);font-size:16px;font-weight:600;line-height:1;transition:all .2s ease-out;border:1px solid transparent;text-decoration:none;white-space:nowrap}
.btn-accent{background:var(--accent);color:var(--ink);font-weight:700;position:relative;overflow:hidden}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(217,255,60,.3)}
.btn-accent::before{content:'';position:absolute;top:0;left:-120%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);transition:left .3s ease}
.btn-accent:hover::before{left:120%}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:var(--primary);background:rgba(14,92,74,.15)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--primary);transform:translateY(-2px);box-shadow:0 4px 16px rgba(14,92,74,.25)}
.btn-sm{height:38px;padding:0 20px;font-size:14px;border-radius:8px}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;height:68px;z-index:100;background:rgba(255,255,255,.92);border-bottom:1px solid var(--border);transition:background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease}
.site-header.scrolled{backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);background:rgba(255,255,255,.82);box-shadow:0 4px 24px rgba(17,18,20,.05)}
.header-inner{max-width:1280px;margin:0 auto;height:68px;display:flex;align-items:center;padding:0 56px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark svg{width:28px;height:28px;fill:none;stroke:var(--primary);stroke-width:1.8;linecap:round;linejoin:round}
.logo-word{font-size:20px;font-weight:700;color:var(--heading);letter-spacing:.01em}
.nav-menu{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-link{position:relative;padding:8px 16px;font-size:15px;font-weight:500;color:var(--text);border-radius:8px;transition:color .2s ease,background .2s ease}
.nav-link:hover{color:var(--primary);background:rgba(14,92,74,.05)}
.nav-link.active{color:var(--primary);font-weight:700}
.nav-link.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:16px;height:4px;background:var(--primary);border-radius:999px}
.navbar-cta{margin-left:12px}
.burger{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:8px}
.burger span{width:20px;height:2px;background:var(--heading);border-radius:2px;transition:transform .3s,opacity .3s}
.nav-close{display:none;position:absolute;top:16px;right:20px;font-size:22px;color:var(--text);padding:6px;border-radius:8px}
.nav-close:hover{color:var(--primary);background:rgba(14,92,74,.05)}
.m-nav-cta{margin-top:16px;width:100%;text-align:center}
@media(max-width:991px){
.header-inner{padding:0 20px}
.burger{display:flex}
.navbar-cta{display:none}
.nav-menu{position:fixed;top:0;right:-100%;width:300px;max-width:85vw;height:100vh;background:#fff;flex-direction:column;padding:72px 24px 24px;gap:4px;transition:right .3s ease;box-shadow:-8px 0 30px rgba(0,0,0,.08);z-index:150;margin-left:0}
.nav-menu.open{right:0}
.nav-close{display:block}
.nav-link{display:block;width:100%;padding:14px 16px;border-bottom:1px solid var(--border);font-size:16px}
.nav-link.active::after{display:none}
.nav-link.active{background:rgba(14,92,74,.06)}
}

/* Hero */
.hero{background:var(--ink);color:#fff;padding:150px 0 80px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-60%;right:-15%;width:620px;height:620px;background:radial-gradient(circle,rgba(14,92,74,.28),transparent 62%);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:420px;height:420px;background:radial-gradient(circle,rgba(217,255,60,.06),transparent 60%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;position:relative;z-index:2}
.hero-tag{display:inline-block;background:var(--accent);color:var(--ink);font-size:13px;font-weight:700;padding:5px 16px;border-radius:999px;margin-bottom:24px;letter-spacing:.02em}
.hero h1{color:#fff;font-size:46px;line-height:1.2;font-weight:750;margin-bottom:20px;max-width:520px}
.hero-sub{color:rgba(255,255,255,.72);font-size:17px;line-height:1.8;max-width:460px;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-media img{border-radius:24px;aspect-ratio:16/10;object-fit:cover;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.35)}
@media(max-width:991px){
.hero{padding:130px 0 56px}
.hero-inner{grid-template-columns:1fr;gap:32px}
.hero h1{font-size:36px;max-width:100%}
.hero-sub{max-width:100%}
}
@media(max-width:559px){
.hero h1{font-size:30px}
.hero-actions .btn{width:100%}
}

/* Section base */
.section{padding:80px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 52px}
.section-label{display:inline-block;font-size:13px;font-weight:700;color:var(--primary);background:rgba(14,92,74,.08);padding:4px 14px;border-radius:999px;margin-bottom:14px;letter-spacing:.04em}
.section-head h2{font-size:34px;color:var(--heading);font-weight:700;line-height:1.3;margin-bottom:14px}
.section-head p{color:var(--text);font-size:16px;line-height:1.8;max-width:560px;margin:0 auto}
@media(max-width:767px){
.section{padding:56px 0}
.section-head h2{font-size:28px}
}

/* Features */
.features{background:var(--canvas)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease}
.feature-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-3px)}
.feature-icon{width:52px;height:52px;border-radius:14px;background:rgba(14,92,74,.08);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:20px;color:var(--primary);font-weight:700}
.feature-card h3{font-size:20px;color:var(--heading);font-weight:700;margin-bottom:10px}
.feature-card p{font-size:14px;line-height:1.7;color:var(--text)}
@media(max-width:1199px){.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:559px){.feature-grid{grid-template-columns:1fr}}

/* Stats */
.stats-section{background:var(--ink);background-image:linear-gradient(rgba(17,18,20,.9),rgba(17,18,20,.92)),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-num{font-size:44px;font-weight:800;color:var(--accent);line-height:1.2}
.stat-label{color:rgba(255,255,255,.6);font-size:14px;margin-top:8px}
@media(max-width:767px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}}
@media(max-width:559px){.stat-num{font-size:34px}}

/* Directory */
.directory{background:#FAFAF8;padding:80px 0}
.directory-list{display:flex;flex-direction:column;max-width:860px;margin:0 auto}
.directory-item{display:flex;align-items:center;gap:24px;padding:22px 12px;border-bottom:1px solid var(--border);transition:background .2s,transform .2s}
.directory-item:hover{background:#fff;transform:translateX(6px)}
.dir-num{font-size:15px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;min-width:36px}
.dir-name{font-size:18px;font-weight:600;color:var(--heading);flex:1}
.dir-line{flex:1;height:1px;background:var(--border);max-width:280px;transition:background .2s}
.directory-item:hover .dir-line{background:var(--primary)}
.dir-arrow{font-size:20px;color:var(--muted);transition:transform .2s,color .2s}
.directory-item:hover .dir-arrow{transform:translateX(4px);color:var(--primary)}
@media(max-width:559px){
.directory-item{gap:12px;padding:18px 8px}
.dir-name{font-size:15px}
.dir-line{display:none}
}

/* Featured */
.featured{background:var(--canvas);padding:80px 0}
.featured-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.featured-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .24s,box-shadow .24s,transform .24s}
.featured-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-3px)}
.featured-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .24s ease}
.featured-card:hover img{transform:scale(1.03)}
.featured-body{padding:20px}
.featured-body h3{font-size:19px;font-weight:700;color:var(--heading);margin-bottom:8px;line-height:1.4}
.featured-body p{font-size:14px;color:var(--text);line-height:1.7;margin-bottom:0}
.featured-card-wide{grid-column:1/3;position:relative;min-height:320px;display:flex;align-items:flex-end}
.featured-card-wide img{position:absolute;inset:0;width:100%;height:100%;aspect-ratio:auto;object-fit:cover}
.featured-card-wide .featured-overlay{position:relative;z-index:2;padding:40px;background:linear-gradient(90deg,rgba(17,18,20,.82),rgba(17,18,20,.45) 60%,transparent);width:100%;min-height:320px;display:flex;flex-direction:column;justify-content:flex-end}
.featured-card-wide h3{color:#fff;font-size:28px;font-weight:750;margin-bottom:8px}
.featured-card-wide p{color:rgba(255,255,255,.75);font-size:15px;line-height:1.7;max-width:440px;margin-bottom:20px}
.badge{display:inline-block;background:rgba(14,92,74,.1);color:var(--primary);font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;margin-bottom:10px}
.badge.new{background:var(--accent);color:var(--ink)}
@media(max-width:991px){
.featured-grid{grid-template-columns:1fr}
.featured-card-wide{grid-column:1}
.featured-card-wide .featured-overlay{padding:28px}
.featured-card-wide h3{font-size:22px}
}
@media(max-width:559px){
.featured-card-wide{min-height:260px}
.featured-card-wide .featured-overlay{min-height:260px;padding:20px}
}

/* Scenarios */
.scenarios{background:#fff;padding:80px 0}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scenario-card{border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;background:var(--canvas);transition:border-color .24s,box-shadow .24s,transform .24s}
.scenario-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-3px)}
.scenario-num{font-size:15px;font-weight:800;color:var(--accent);background:var(--ink);display:inline-flex;width:40px;height:40px;border-radius:12px;align-items:center;justify-content:center;margin-bottom:20px}
.scenario-card h3{font-size:20px;font-weight:700;color:var(--heading);margin-bottom:10px}
.scenario-card p{font-size:14px;color:var(--text);line-height:1.7}
@media(max-width:991px){.scenario-grid{grid-template-columns:1fr 1fr}}
@media(max-width:559px){.scenario-grid{grid-template-columns:1fr}}

/* Related */
.related{background:#FAFAF8;padding:80px 0}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:960px;margin:0 auto}
.related-card{display:flex;gap:16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;align-items:center;transition:border-color .24s,box-shadow .24s,transform .24s}
.related-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-2px)}
.related-card img{width:120px;height:90px;object-fit:cover;border-radius:12px;flex-shrink:0}
.related-info h3{font-size:17px;font-weight:700;color:var(--heading);margin-bottom:6px;line-height:1.4}
.related-info p{font-size:13px;color:var(--text);line-height:1.6}
@media(max-width:991px){.related-grid{grid-template-columns:1fr}}
@media(max-width:559px){
.related-card{flex-direction:column;align-items:flex-start}
.related-card img{width:100%;height:120px}
}

/* FAQ */
.faq-section{background:var(--canvas);padding:80px 0}
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border);transition:box-shadow .2s}
.faq-item.open{box-shadow:inset 3px 0 0 var(--primary)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;min-height:56px;font-size:17px;font-weight:700;color:var(--heading);text-align:left;padding:8px 12px;transition:color .2s}
.faq-question:hover{color:var(--primary)}
.faq-icon{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:50%;font-size:18px;color:var(--text);transition:transform .3s,color .2s,border-color .2s;flex-shrink:0}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--primary);border-color:var(--primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;font-size:14px;color:var(--text);line-height:1.8;padding:0 12px}
.faq-item.open .faq-answer{max-height:300px;padding:0 12px 20px;background:#FAFAF8}

/* CTA */
.cta-section{background:var(--ink);padding:76px 0;position:relative;overflow:hidden;text-align:center}
.cta-section::before{content:'';position:absolute;top:-40%;left:50%;transform:translateX(-50%);width:560px;height:560px;background:radial-gradient(circle,rgba(14,92,74,.32),transparent 60%);pointer-events:none}
.cta-section .container{position:relative;z-index:2}
.cta-section h2{color:#fff;font-size:34px;font-weight:750;margin-bottom:14px}
.cta-section p{color:rgba(255,255,255,.7);font-size:16px;margin-bottom:32px;max-width:520px;margin-left:auto;margin-right:auto}
.cta-section .btn-accent{font-size:17px;height:52px;padding:0 36px}
@media(max-width:767px){
.cta-section{padding:56px 0}
.cta-section h2{font-size:26px}
}

/* Footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.68);border-top:1px solid rgba(255,255,255,.06)}
.footer-main{max-width:1280px;margin:0 auto;padding:56px 56px 32px;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-word{color:#fff;font-size:20px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.5);max-width:280px;margin-top:12px}
.footer-title{font-size:14px;color:rgba(255,255,255,.4);font-weight:600;margin-bottom:18px;letter-spacing:.05em}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.5);margin-bottom:12px;display:flex;gap:8px;align-items:flex-start}
.footer-contact i{color:var(--accent);font-style:normal}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:20px 0}
.footer-bottom-inner{max-width:1280px;margin:0 auto;padding:0 56px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.38)}
@media(max-width:991px){
.footer-main{grid-template-columns:1fr 1fr;padding:40px 32px 24px}
.footer-bottom-inner{padding:0 32px;flex-direction:column;gap:8px;text-align:center}
}
@media(max-width:559px){
.footer-main{grid-template-columns:1fr;padding:36px 20px 20px}
.footer-bottom-inner{padding:0 20px}
}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .4s ease,transform .4s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

@media(prefers-reduced-motion:reduce){
*,*::before,*::after{transition-duration:.1s!important;animation-duration:.1s!important}
html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root {
  --canvas: #F6F5F1;
  --dark: #111214;
  --primary: #0E5C4A;
  --accent: #D9FF3C;
  --title: #1F2226;
  --text: #5F6B72;
  --muted: #9BA3A7;
  --border: #E8E6DF;
  --white: #ffffff;
  --success: #0FA968;
  --error: #E5484D;
  --radius: 20px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(17,18,20,0.08);
  --font: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--canvas);
  color: var(--title);
  line-height: 1.8;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; background: none; border: none; }
ul, ol { list-style: none; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 56px; }
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; background: var(--accent); z-index: 999; width: 0; transition: width .1s ease; }

.btn { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 28px; border-radius: 10px; font-size: 16px; font-weight: 600; transition: all .2s ease; text-align: center; white-space: nowrap; }
.btn-dark { background: var(--dark); color: #fff; }
.btn-dark:hover { background: var(--primary); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(14,92,74,0.25); }
.btn-accent { background: var(--accent); color: var(--dark); font-weight: 700; position: relative; overflow: hidden; }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(217,255,60,0.3); }
.btn-accent::after { content: ""; position: absolute; top: 0; left: -80%; width: 50%; height: 100%; background: linear-gradient(120deg, transparent, rgba(255,255,255,0.5), transparent); transition: left .3s ease; }
.btn-accent:hover::after { left: 130%; }
.btn-outline { background: transparent; border: 1px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: rgba(14,92,74,0.05); }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.92); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); height: 68px; transition: box-shadow .2s ease; }
.site-header.scrolled { box-shadow: 0 4px 24px rgba(17,18,20,0.06); }
.header-inner { max-width: 1280px; margin: 0 auto; height: 68px; padding: 0 56px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: var(--primary); border-radius: 10px; transition: background .2s ease; }
.logo-mark svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.logo-word { font-size: 19px; font-weight: 750; color: var(--title); letter-spacing: .01em; white-space: nowrap; }
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-link { position: relative; padding: 10px 16px; font-size: 15px; font-weight: 500; color: var(--text); border-radius: 8px; transition: color .2s ease, background .2s ease; }
.nav-link:hover { color: var(--primary); background: rgba(14,92,74,0.05); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after { content: ""; position: absolute; left: 50%; bottom: 2px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); transform: translateX(-50%); }
.nav-cta { flex-shrink: 0; }
.nav-close { display: none; }
.m-nav-cta { display: none; }
.burger { display: none; flex-direction: column; gap: 5px; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 8px; transition: background .2s ease; }
.burger:hover { background: rgba(14,92,74,0.06); }
.burger span { display: block; width: 20px; height: 2px; background: var(--title); border-radius: 2px; }

.chip { display: inline-flex; align-items: center; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; background: rgba(14,92,74,0.1); color: var(--primary); }
.chip.accent { background: var(--accent); color: var(--dark); }
.chip-primary { background: rgba(14,92,74,0.1); color: var(--primary); }

.reveal { opacity: 0; transform: translateY(12px); transition: opacity .4s ease, transform .4s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

.section-head { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 40px; }
.section-head h2 { font-size: 32px; font-weight: 700; line-height: 1.3; color: var(--title); }

.category-hero { background: var(--canvas); padding: 96px 0 64px; text-align: center; }
.category-hero .chip { margin-bottom: 24px; animation: fadeUp .6s ease-out both; }
.category-hero h1 { font-size: 52px; line-height: 1.2; font-weight: 750; letter-spacing: .01em; animation: fadeUp .6s ease-out .1s both; }
.hero-line { width: 40px; height: 4px; background: var(--primary); border-radius: 2px; margin: 24px auto; animation: fadeUp .6s ease-out .2s both; }
.category-hero p { font-size: 18px; color: var(--text); max-width: 600px; margin: 0 auto; animation: fadeUp .6s ease-out .3s both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.topic-cover { padding: 16px 0 80px; }
.topic-cover-card { position: relative; border-radius: 24px; overflow: hidden; aspect-ratio: 16 / 7; background: var(--dark); }
.topic-cover-card > img { width: 100%; height: 100%; object-fit: cover; }
.topic-cover-mask { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(17,18,20,0.88) 0%, rgba(17,18,20,0.4) 60%, rgba(17,18,20,0.08) 100%); }
.topic-cover-content { position: absolute; top: 50%; left: 56px; transform: translateY(-50%); max-width: 480px; z-index: 2; }
.topic-cover-content h2 { font-size: 36px; font-weight: 700; color: #fff; margin: 16px 0 12px; line-height: 1.3; }
.topic-cover-content p { font-size: 16px; line-height: 1.8; color: rgba(255,255,255,0.85); }
.scroll-hint { position: absolute; bottom: 24px; right: 40px; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.4); border-radius: 50%; color: #fff; transition: background .2s ease, border-color .2s ease, transform .2s ease; animation: hintMove 2s ease-in-out infinite; }
.scroll-hint:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.scroll-hint svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
@keyframes hintMove { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

.topic-directory { padding: 72px 0; border-top: 1px solid var(--border); }
.dir-list { display: flex; flex-direction: column; border-top: 1px solid var(--border); }
.dir-item { display: flex; align-items: center; gap: 20px; padding: 20px 16px; border-bottom: 1px solid var(--border); transition: background .2s ease, border-color .2s ease; }
.dir-item:hover { background: rgba(14,92,74,0.04); }
.dir-num { font-size: 14px; font-weight: 650; color: var(--muted); min-width: 40px; transition: color .2s ease; }
.dir-item:hover .dir-num { color: var(--primary); }
.dir-name { font-size: 18px; font-weight: 650; color: var(--title); }
.dir-line { flex: 1; height: 1px; background: var(--border); }
.dir-arrow { color: var(--muted); font-size: 18px; transition: transform .2s ease, color .2s ease; }
.dir-item:hover .dir-arrow { transform: translateX(4px); color: var(--primary); }

.featured-topics { padding: 72px 0; background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.featured-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; align-items: start; }
.featured-card { background: var(--white); border: 1px solid var(--border); border-radius: 20px; overflow: hidden; transition: box-shadow .24s ease, border-color .24s ease, transform .24s ease; scroll-margin-top: 88px; }
.featured-card:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-4px); }
.featured-card:nth-child(even) { margin-top: 20px; }
.card-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--border); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .24s ease; }
.featured-card:hover .card-media img { transform: scale(1.03); }
.badge-hot { position: absolute; top: 12px; right: 12px; background: var(--accent); color: var(--dark); font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.card-body { padding: 20px; }
.card-body .chip { margin-bottom: 12px; }
.card-body h3 { font-size: 18px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-body p { font-size: 14px; color: var(--text); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.card-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; transition: gap .2s ease; }
.card-link:hover { gap: 8px; }

.related-topics { padding: 72px 0; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.related-card { display: flex; gap: 20px; background: var(--white); border: 1px solid var(--border); border-radius: 16px; padding: 16px; transition: box-shadow .24s ease, border-color .24s ease; scroll-margin-top: 88px; }
.related-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.related-card .card-media { width: 200px; aspect-ratio: 16 / 10; flex: none; border-radius: 12px; overflow: hidden; }
.related-info { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.related-info h3 { font-size: 17px; font-weight: 650; line-height: 1.45; margin-bottom: 6px; }
.related-info p { font-size: 14px; color: var(--text); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.faq-section { padding: 72px 0; background: var(--white); border-top: 1px solid var(--border); }
.faq-list { max-width: 760px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 48px; font-size: 18px; font-weight: 700; color: var(--title); text-align: left; transition: color .2s ease, padding .2s ease; padding: 14px 0; }
.faq-q:hover { color: var(--primary); }
.faq-item.open .faq-q { color: var(--primary); border-left: 3px solid var(--primary); padding-left: 12px; }
.faq-icon { font-size: 22px; font-weight: 400; transition: transform .24s ease; color: var(--muted); line-height: 1; }
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 8px 0 20px 14px; font-size: 14px; color: var(--text); line-height: 1.8; background: #FAFAF8; border-radius: 0 0 8px 8px; }

.cta-section { background: var(--dark); padding: 80px 0; text-align: center; border-top: 1px solid rgba(255,255,255,0.08); }
.cta-section h2 { font-size: 32px; color: #fff; font-weight: 700; margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,0.7); font-size: 16px; margin-bottom: 32px; }

.site-footer { background: var(--dark); color: #fff; }
.footer-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 48px; padding: 64px 56px 40px; max-width: 1280px; margin: 0 auto; }
.footer-brand .logo-word { color: #fff; }
.footer-brand .logo-mark { background: var(--accent); }
.footer-brand .logo-mark svg { stroke: var(--dark); }
.footer-desc { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); margin-top: 16px; max-width: 300px; }
.footer-title { font-size: 14px; color: rgba(255,255,255,0.5); font-weight: 600; margin-bottom: 18px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.72); transition: color .2s ease; }
.footer-links a:hover { color: var(--accent); }
.footer-contact li { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.72); margin-bottom: 10px; }
.footer-contact i { font-style: normal; color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); }
.footer-bottom-inner { max-width: 1280px; margin: 0 auto; display: flex; justify-content: space-between; padding: 20px 56px; font-size: 12px; color: rgba(255,255,255,0.4); }

@media (max-width: 1199px) {
  .featured-grid { grid-template-columns: repeat(3, 1fr); }
  .featured-card:nth-child(even) { margin-top: 0; }
  .featured-card:nth-child(2) { margin-top: 20px; }
}
@media (max-width: 1023px) {
  .header-inner { padding: 0 32px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px; padding: 48px 32px 32px; }
  .footer-bottom-inner { padding: 20px 32px; }
  .nav-menu {
    position: fixed; top: 0; right: 0; bottom: 0; width: 300px;
    background: var(--white); flex-direction: column; align-items: flex-start;
    padding: 80px 24px 24px; gap: 0; transform: translateX(100%);
    transition: transform .28s ease; z-index: 200;
    box-shadow: -20px 0 40px rgba(17,18,20,0.12);
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-close { display: flex; position: absolute; top: 16px; right: 16px; width: 40px; height: 40px; align-items: center; justify-content: center; font-size: 20px; color: var(--title); border-radius: 8px; }
  .nav-close:hover { background: rgba(17,18,20,0.06); }
  .nav-menu .nav-link { display: flex; align-items: center; min-height: 48px; width: 100%; border-bottom: 1px solid var(--border); border-radius: 0; }
  .nav-menu .nav-link.active::after { display: none; }
  .nav-menu .nav-cta { display: none; }
  .m-nav-cta { display: inline-flex; margin-top: 24px; width: 100%; }
  .burger { display: flex; }
  .navbar-cta { display: none; }
  .topic-cover-card { aspect-ratio: 16 / 9; }
  .topic-cover-content { left: 32px; right: 32px; }
}
@media (max-width: 767px) {
  .container { padding: 0 20px; }
  .header-inner { padding: 0 20px; }
  .featured-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; padding: 40px 20px 24px; gap: 32px; }
  .footer-bottom-inner { padding: 16px 20px; flex-direction: column; gap: 8px; text-align: center; }
  .category-hero { padding: 56px 0 40px; }
  .category-hero h1 { font-size: 38px; }
  .topic-cover { padding: 8px 0 56px; }
  .topic-cover-content { left: 20px; right: 20px; }
  .topic-cover-content h2 { font-size: 28px; }
  .topic-cover-content p { font-size: 14px; }
  .scroll-hint { right: 20px; bottom: 16px; }
  .section-head h2 { font-size: 26px; }
  .faq-q { font-size: 16px; }
}
@media (max-width: 559px) {
  .featured-grid { grid-template-columns: 1fr; }
  .featured-card:nth-child(2) { margin-top: 0; }
  .related-card { flex-direction: column; }
  .related-card .card-media { width: 100%; }
  .category-hero h1 { font-size: 32px; }
  .dir-item { flex-wrap: wrap; gap: 10px; padding: 16px 12px; }
  .dir-line { display: none; }
  .dir-arrow { margin-left: auto; }
  .cta-section { padding: 56px 0; }
  .cta-section h2 { font-size: 26px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-hint { animation: none; }
}