/* roulang page: index */
/* ===== design tokens ===== */
:root{
  --bg-dark:#0A0E13; --bg-alt:#0F141B; --bg-card:#131A22; --bg-deep:#07090C;
  --primary:#C8FF2F; --primary-hover:#D6FF4D; --accent:#FF7A2B;
  --txt-1:#E9EDF2; --txt-2:#9AA7B4; --txt-3:#5E6E7E;
  --line:rgba(255,255,255,.08); --line-hi:rgba(200,255,47,.35);
  --radius-card:14px; --radius-lg:20px; --radius-pill:999px;
  --shadow-card:0 4px 20px rgba(0,0,0,.3);
  --shadow-hover:0 12px 32px rgba(0,0,0,.45),0 0 0 1px rgba(200,255,47,.25);
  --transition:.25s ease;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow Condensed","Rajdhani",sans-serif;
}
/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);font-size:1rem;line-height:1.8;color:var(--txt-1);
  background:var(--bg-dark);-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit;color:inherit;border:none;background:none;outline:none}
::selection{background:rgba(200,255,47,.25);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.grid-container{max-width:1200px;margin:0 auto;padding:0 20px}
section{position:relative}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-pill);font-weight:600;font-size:.95rem;
  transition:transform var(--transition),box-shadow var(--transition),background var(--transition),color var(--transition),border-color var(--transition);
  cursor:pointer;white-space:nowrap;line-height:1.4;
}
.btn-primary{background:var(--primary);color:#0A0E13;border:1.5px solid var(--primary)}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 10px 30px rgba(200,255,47,.25)}
.btn-ghost{background:transparent;color:var(--txt-1);border:1.5px solid rgba(255,255,255,.25)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(200,255,47,.08);transform:translateY(-2px)}
.btn-sm{padding:9px 22px;font-size:.875rem}
.btn-block{width:100%}

/* ===== section titles ===== */
.section-head{margin-bottom:clamp(2rem,4vw,3.5rem);max-width:680px}
.section-head .kicker{display:inline-flex;align-items:center;gap:6px;font-size:.8125rem;letter-spacing:.05em;color:var(--primary);margin-bottom:12px;font-weight:600}
.section-head .kicker::before{content:"";width:20px;height:2px;background:var(--primary);display:inline-block;border-radius:2px}
.section-head h2{font-size:clamp(1.5rem,2.5vw,2.25rem);line-height:1.25;font-weight:700;color:var(--txt-1);margin-bottom:14px}
.section-head p{color:var(--txt-2);font-size:1rem;line-height:1.7}

/* ===== dock nav ===== */
.site-dock{
  position:fixed;top:12px;left:0;right:0;z-index:1000;display:flex;justify-content:center;
  transition:transform var(--transition);
}
.dock-inner{
  width:calc(100% - 24px);max-width:1020px;min-height:58px;display:flex;align-items:center;
  background:rgba(10,13,17,.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:0 12px 0 22px;box-shadow:0 8px 32px rgba(0,0,0,.35);
  transition:background var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.site-dock.scrolled .dock-inner{background:rgba(7,9,12,.94);box-shadow:0 12px 40px rgba(0,0,0,.5);border-color:rgba(255,255,255,.12)}
.dock-brand{display:flex;align-items:baseline;font-size:1.35rem;font-weight:800;letter-spacing:.02em;color:var(--txt-1);flex-shrink:0}
.dock-brand em{font-style:normal;color:var(--primary);font-size:1rem;font-weight:700;margin-left:2px}
.dock-links{display:flex;align-items:center;gap:2px;margin:0 auto;padding:0 12px;flex-wrap:nowrap}
.dock-links a{
  display:inline-flex;align-items:center;padding:8px 14px;border-radius:var(--radius-pill);
  color:var(--txt-2);font-size:.875rem;font-weight:500;white-space:nowrap;
  transition:color var(--transition),background var(--transition);
}
.dock-links a:hover{color:var(--txt-1);background:rgba(255,255,255,.04)}
.dock-links a.active{color:var(--primary)}
.dock-links a.active::after{content:"";width:4px;height:4px;border-radius:50%;background:var(--primary);margin-left:2px}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.dock-search{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--txt-2);transition:all var(--transition);cursor:pointer;font-size:.95rem;
}
.dock-search:hover{color:var(--primary);background:rgba(255,255,255,.05)}
.dock-toggle{display:none;width:38px;height:38px;border-radius:8px;cursor:pointer;position:relative}
.dock-toggle span,.dock-toggle span::before,.dock-toggle span::after{content:"";display:block;width:20px;height:2px;background:var(--txt-1);border-radius:2px;position:absolute;left:9px;transition:all var(--transition)}
.dock-toggle span{top:18px}
.dock-toggle span::before{top:-6px}
.dock-toggle span::after{top:6px}
.dock-toggle.open span{background:transparent}
.dock-toggle.open span::before{transform:rotate(45deg);top:0}
.dock-toggle.open span::after{transform:rotate(-45deg);top:0}
.search-panel{position:fixed;top:80px;left:50%;transform:translateX(-50%) translateY(-6px);width:min(600px,calc(100% - 40px));z-index:999;opacity:0;visibility:hidden;transition:all var(--transition)}
.search-panel.open{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.search-panel input{width:100%;padding:14px 44px 14px 20px;border-radius:14px;background:var(--bg-card);border:1px solid var(--line);color:var(--txt-1);font-size:1rem}
.search-panel input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(200,255,47,.15)}
.search-panel i{position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--txt-3)}

/* ===== hero ===== */
.hero{
  min-height:92vh;display:flex;align-items:center;position:relative;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 0%,rgba(10,14,19,.82) 100%)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(10,14,19,.35) 0%,rgba(10,14,19,.6) 50%,rgba(10,14,19,.95) 100%);z-index:1}
.hero .grid-container{position:relative;z-index:2;width:100%}
.hero-content{padding:80px 0 60px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;background:rgba(200,255,47,.1);border:1px solid rgba(200,255,47,.3);
  color:var(--primary);font-size:.8125rem;font-weight:600;letter-spacing:.05em;padding:6px 16px;border-radius:var(--radius-pill);margin-bottom:24px;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}
.hero h1{font-size:clamp(2.25rem,4.5vw,3.75rem);line-height:1.15;font-weight:800;color:var(--txt-1);letter-spacing:.01em;margin-bottom:20px}
.hero h1 .hl{color:var(--primary)}
.hero-sub{font-size:1.125rem;line-height:1.8;color:var(--txt-2);max-width:520px;margin-bottom:34px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{display:flex;gap:clamp(20px,4vw,48px);flex-wrap:wrap;border-top:1px solid var(--line);padding-top:28px}
.hstat .num{font-family:var(--font-num);font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;color:var(--txt-1);line-height:1.1}
.hstat .num small{font-size:.85rem;color:var(--primary);margin-left:3px}
.hstat .lbl{font-size:.8125rem;color:var(--txt-3);margin-top:2px;letter-spacing:.03em}
.hero-media{display:flex;align-items:center;justify-content:center;height:100%;padding:40px 0}
.hero-img-wrap{position:relative;width:100%;max-width:460px;border-radius:var(--radius-lg);overflow:visible}
.hero-img-wrap>img{border-radius:var(--radius-lg);box-shadow:0 20px 60px rgba(0,0,0,.5);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-float-card{
  position:absolute;left:-24px;bottom:24px;background:rgba(10,13,17,.92);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:14px;padding:14px 20px;display:flex;align-items:center;gap:14px;
  box-shadow:0 12px 32px rgba(0,0,0,.45);transition:transform var(--transition);
}
.hero-float-card:hover{transform:translateY(-4px)}
.hero-float-card .fc-icon{width:38px;height:38px;border-radius:10px;background:rgba(200,255,47,.12);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:1rem}
.hero-float-card .fc-info strong{display:block;font-size:.875rem;color:var(--txt-1);font-weight:600}
.hero-float-card .fc-info span{font-size:.75rem;color:var(--txt-3)}
.hero-float-card .fc-btn{font-size:.75rem;color:var(--primary);border:1px solid rgba(200,255,47,.4);padding:5px 14px;border-radius:var(--radius-pill);transition:all var(--transition);font-weight:600}
.hero-float-card .fc-btn:hover{background:var(--primary);color:#0A0E13}

/* ===== section spacing ===== */
.section{padding:clamp(4rem,8vw,7rem) 0}
.section-alt{background:var(--bg-alt)}

/* ===== features bento ===== */
.features-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.feat-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px 28px;position:relative;transition:all var(--transition);overflow:hidden;
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-hi)}
.feat-card .feat-num{position:absolute;top:20px;right:24px;font-family:var(--font-num);font-size:2.6rem;font-weight:700;color:rgba(255,255,255,.04);line-height:1}
.feat-card .feat-icon{width:52px;height:52px;border-radius:14px;background:rgba(200,255,47,.1);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:1.4rem;margin-bottom:22px;transition:all var(--transition)}
.feat-card:hover .feat-icon{background:var(--primary);color:#0A0E13}
.feat-card h3{font-size:1.125rem;font-weight:700;margin-bottom:8px;color:var(--txt-1)}
.feat-card p{font-size:.875rem;color:var(--txt-2);line-height:1.7;margin-bottom:14px}
.feat-card .feat-link{font-size:.8125rem;color:var(--txt-3);display:inline-flex;align-items:center;gap:5px;opacity:0;transform:translateX(-6px);transition:all var(--transition)}
.feat-card:hover .feat-link{opacity:1;transform:translateX(0);color:var(--primary)}
.feat-lg{grid-column:span 7}
.feat-vt{grid-column:span 5}
.feat-sm{grid-column:span 4}

/* ===== CTA strip ===== */
.cta-strip{
  background:var(--bg-card);border:1px solid var(--line-hi);border-radius:var(--radius-lg);
  padding:32px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  margin:clamp(2rem,4vw,3.5rem) 0;
}
.cta-strip h3{font-size:1.25rem;font-weight:700;color:var(--txt-1);margin-bottom:4px}
.cta-strip p{color:var(--txt-2);font-size:.875rem}

/* ===== demo alternating ===== */
.demo-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px}
.demo-row:last-child{margin-bottom:0}
.demo-row.rev .demo-media{order:2}
.demo-media{border-radius:16px;overflow:hidden;position:relative}
.demo-media img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform var(--transition)}
.demo-media:hover img{transform:scale(1.02)}
.demo-media .play-tag{position:absolute;top:16px;right:16px;background:rgba(10,13,17,.7);backdrop-filter:blur(8px);color:var(--primary);font-size:.75rem;font-weight:600;padding:4px 14px;border-radius:var(--radius-pill);border:1px solid rgba(200,255,47,.3)}
.demo-copy .kicker{display:inline-flex;align-items:center;gap:6px;font-size:.8125rem;color:var(--primary);font-weight:600;letter-spacing:.05em;margin-bottom:10px}
.demo-copy .kicker i{font-size:.75rem}
.demo-copy h3{font-size:1.375rem;font-weight:700;margin-bottom:12px;color:var(--txt-1)}
.demo-copy p{color:var(--txt-2);line-height:1.75;margin-bottom:18px}
.demo-link{font-size:.875rem;color:var(--primary);display:inline-flex;align-items:center;gap:6px;font-weight:600;transition:gap var(--transition)}
.demo-link:hover{gap:10px}

/* ===== proof ===== */
.proof-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-bottom:56px}
.proof-num{text-align:center}
.proof-num .val{font-family:var(--font-num);font-size:clamp(2rem,3.5vw,3rem);font-weight:700;color:var(--txt-1);line-height:1}
.proof-num .val em{font-style:normal;color:var(--primary)}
.proof-num .lbl{color:var(--txt-3);font-size:.8125rem;margin-top:8px;letter-spacing:.04em}
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-bottom:56px}
.partner-item{
  background:var(--bg-card);border:1px solid var(--line);border-radius:12px;padding:14px 28px;
  font-size:.875rem;font-weight:600;color:var(--txt-2);opacity:.6;cursor:default;transition:all var(--transition);letter-spacing:.02em;
}
.partner-item:hover{opacity:1;color:var(--txt-1);border-color:var(--line-hi)}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;position:relative}
.quote-card .q-icon{font-size:2rem;color:var(--primary);line-height:1;opacity:.7;margin-bottom:12px}
.quote-card p{color:var(--txt-2);font-size:.875rem;line-height:1.8;font-style:italic;margin-bottom:16px}
.quote-card .q-author{font-size:.8125rem;color:var(--txt-3);display:flex;align-items:center;gap:8px}
.quote-card .q-author::before{content:"";width:16px;height:1px;background:var(--primary);display:inline-block}

/* ===== pricing ===== */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:36px 32px;display:flex;flex-direction:column;position:relative;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.price-card.recommended{
  border-color:var(--line-hi);box-shadow:0 0 0 1px rgba(200,255,47,.25),0 12px 40px rgba(0,0,0,.4);
  transform:scale(1.04);z-index:2;
}
.price-card.recommended:hover{transform:scale(1.04) translateY(-4px)}
.popular-tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:.6875rem;font-weight:700;letter-spacing:.08em;padding:4px 16px;border-radius:var(--radius-pill);white-space:nowrap;box-shadow:0 4px 16px rgba(255,122,43,.35)}
.plan-name{font-size:1rem;font-weight:600;color:var(--txt-2);letter-spacing:.04em;text-transform:uppercase;margin-bottom:16px}
.plan-price{display:flex;align-items:baseline;gap:4px;margin-bottom:24px}
.plan-price .cur{font-size:1.125rem;color:var(--txt-2)}
.plan-price .amt{font-family:var(--font-num);font-size:2.5rem;font-weight:700;color:var(--txt-1);line-height:1}
.plan-price .per{font-size:.8125rem;color:var(--txt-3)}
.plan-feats{flex:1;margin-bottom:28px}
.plan-feats li{display:flex;align-items:flex-start;gap:10px;padding:7px 0;font-size:.875rem;color:var(--txt-2);line-height:1.5}
.plan-feats li i{color:var(--primary);font-size:.75rem;margin-top:5px}

/* ===== faq ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);transition:border-color var(--transition)}
.faq-item:hover{border-bottom-color:rgba(255,255,255,.16)}
.faq-item.open{border-bottom-color:var(--line-hi)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 8px;cursor:pointer;text-align:left;font-size:1rem;font-weight:600;color:var(--txt-1);transition:color var(--transition)}
.faq-q:hover{color:var(--primary)}
.faq-q .faq-icon{width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all var(--transition);font-size:.8125rem;color:var(--txt-2)}
.faq-item.open .faq-q{color:var(--primary)}
.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 .35s ease}
.faq-a-inner{padding:0 8px 22px;color:var(--txt-2);font-size:.875rem;line-height:1.8}

/* ===== news / cms ===== */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.news-feature{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:all var(--transition);display:block;
}
.news-feature:hover{box-shadow:var(--shadow-hover);border-color:var(--line-hi);transform:translateY(-3px)}
.news-feature .nf-cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.news-feature .nf-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition)}
.news-feature:hover .nf-cover img{transform:scale(1.03)}
.news-feature .nf-body{padding:24px}
.news-feature .nf-badge{position:absolute;top:16px;left:16px;background:rgba(10,13,17,.78);backdrop-filter:blur(6px);border:1px solid rgba(200,255,47,.4);color:var(--primary);font-size:.6875rem;font-weight:600;padding:3px 12px;border-radius:var(--radius-pill)}
.news-feature h3{font-size:1.125rem;font-weight:700;line-height:1.4;margin-bottom:10px;color:var(--txt-1)}
.news-feature p{font-size:.875rem;color:var(--txt-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.news-feature .nf-meta{display:flex;align-items:center;gap:12px;font-size:.75rem;color:var(--txt-3)}
.news-feature .nf-meta .date{font-family:var(--font-num);font-size:.8125rem;color:var(--primary)}
.news-list{display:flex;flex-direction:column;gap:0}
.news-row{
  display:block;padding:18px 12px;border-bottom:1px solid var(--line);border-radius:10px;
  transition:all var(--transition);margin-bottom:0;
}
.news-row:last-child{border-bottom:none}
.news-row:hover{background:rgba(255,255,255,.03);padding-left:18px;border-bottom-color:var(--line-hi)}
.news-row .nr-meta{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.news-row .nr-date{font-family:var(--font-num);font-size:.75rem;color:var(--primary);letter-spacing:.03em}
.news-row .badge{display:inline-flex;align-items:center;background:rgba(200,255,47,.08);border:1px solid rgba(200,255,47,.25);color:var(--primary);font-size:.625rem;font-weight:600;padding:1px 10px;border-radius:var(--radius-pill);letter-spacing:.04em}
.news-row h4{font-size:.9375rem;font-weight:600;color:var(--txt-1);line-height:1.45;margin-bottom:4px;transition:color var(--transition)}
.news-row:hover h4{color:var(--primary)}
.news-row p{font-size:.7825rem;color:var(--txt-3);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px}
.news-row .read-more{font-size:.75rem;color:var(--txt-3);display:inline-flex;align-items:center;gap:4px;transition:all var(--transition)}
.news-row:hover .read-more{color:var(--primary);gap:8px}
.news-empty{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--txt-3);font-size:.9375rem}
.news-empty i{font-size:2.4rem;color:rgba(255,255,255,.08);display:block;margin-bottom:12px}

/* ===== footer ===== */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:clamp(3rem,6vw,5rem) 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.6fr;gap:40px;padding-bottom:40px}
.footer-brand .flogo{font-size:1.4rem;font-weight:800;color:var(--txt-1);margin-bottom:14px}
.footer-brand .flogo em{font-style:normal;color:var(--primary)}
.footer-brand p{font-size:.8125rem;color:var(--txt-3);line-height:1.7;margin-bottom:20px;max-width:240px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--txt-3);font-size:.875rem;transition:all var(--transition)}
.footer-social a:hover{color:var(--primary);border-color:var(--primary);background:rgba(200,255,47,.06)}
.footer-col h4{font-size:.875rem;font-weight:600;color:var(--txt-1);letter-spacing:.05em;margin-bottom:18px;text-transform:uppercase}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:.8125rem;color:var(--txt-3);transition:all var(--transition);display:inline-flex;align-items:center;gap:6px}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.footer-col ul a i{font-size:.6rem;color:var(--txt-3)}
.footer-subscribe p{font-size:.8125rem;color:var(--txt-3);line-height:1.7;margin-bottom:14px}
.subscribe-form{display:flex;gap:8px}
.subscribe-form input{
  flex:1;min-width:0;padding:10px 16px;border-radius:var(--radius-pill);background:var(--bg-alt);
  border:1px solid rgba(255,255,255,.1);color:var(--txt-1);font-size:.8125rem;transition:all var(--transition);
}
.subscribe-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(200,255,47,.15)}
.subscribe-form button{padding:10px 20px;border-radius:var(--radius-pill);background:var(--primary);color:#0A0E13;font-weight:600;font-size:.8125rem;cursor:pointer;transition:all var(--transition);border:none}
.subscribe-form button:hover{background:var(--primary-hover)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.footer-bottom p{font-size:.75rem;color:var(--txt-3)}
.footer-bottom .legal-links{display:flex;gap:20px}
.footer-bottom .legal-links a{font-size:.75rem;color:var(--txt-3);transition:color var(--transition)}
.footer-bottom .legal-links a:hover{color:var(--txt-2)}

/* ===== floating cta ===== */
.float-cta{
  position:fixed;bottom:24px;right:24px;z-index:900;opacity:0;visibility:hidden;transform:translateY(16px);
  transition:all var(--transition);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta a{
  display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#0A0E13;
  padding:13px 26px;border-radius:var(--radius-pill);font-weight:700;font-size:.875rem;
  box-shadow:0 10px 36px rgba(200,255,47,.35);transition:all var(--transition);
}
.float-cta a:hover{background:var(--primary-hover);transform:translateY(-3px);box-shadow:0 16px 40px rgba(200,255,47,.4)}

/* ===== animations ===== */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.a-fade-up{animation:fadeUp .6s ease both}

/* ===== responsive ===== */
@media (max-width:1024px){
  .feat-lg,.feat-vt,.feat-sm{grid-column:span 6}
  .feat-lg{grid-column:span 12}
  .proof-wall{grid-template-columns:repeat(2,1fr);gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .dock-links{display:none}
  .dock-toggle{display:block;margin-left:8px}
  .dock-links.resp-open{
    display:flex;flex-direction:column;position:absolute;top:calc(100% + 10px);left:0;right:0;
    background:rgba(10,13,17,.98);backdrop-filter:blur(20px);border-radius:20px;border:1px solid var(--line);
    padding:14px;gap:2px;box-shadow:0 24px 60px rgba(0,0,0,.5);
  }
  .dock-links.resp-open a{justify-content:center;padding:12px;font-size:.9375rem}
}
@media (max-width:768px){
  .hero{min-height:auto}
  .hero-content{padding:60px 0 40px}
  .hero-stats{gap:20px;padding-top:20px}
  .hero-media{padding:0 0 50px}
  .hero-float-card{left:12px;bottom:16px}
  .demo-row{grid-template-columns:1fr;gap:24px;margin-bottom:48px}
  .demo-row.rev .demo-media{order:0}
  .quote-grid{grid-template-columns:1fr}
  .pricing-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}
  .price-card.recommended{transform:scale(1)}
  .price-card.recommended:hover{transform:translateY(-4px)}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .float-cta a span{display:none}
  .float-cta a{width:56px;height:56px;border-radius:50%;justify-content:center;padding:0}
  .cta-strip{padding:26px 20px;flex-direction:column;text-align:center}
  .cta-strip .btn{width:100%}
}
@media (max-width:640px){
  .feat-lg,.feat-vt,.feat-sm{grid-column:span 12}
  .proof-wall{grid-template-columns:1fr 1fr;gap:28px}
  .dock-actions .btn{display:none}
  .dock-inner{padding:0 8px 0 16px}
  .dock-brand{font-size:1.2rem}
  .dock-brand em{font-size:.875rem}
  .section{padding:clamp(3rem,8vw,4rem) 0}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: category1 */
:root {
            --bg-primary: #0A0E13;
            --bg-alt: #0F141B;
            --bg-card: #131A22;
            --bg-footer: #07090C;
            --primary: #C8FF2F;
            --primary-hover: #D6FF4D;
            --accent: #FF7A2B;
            --text-1: #E9EDF2;
            --text-2: #9AA7B4;
            --text-3: #5E6E7E;
            --border: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(200, 255, 47, 0.35);
            --radius-sm: 12px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.45);
            --transition: 0.25s ease;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Barlow Condensed", "Rajdhani", sans-serif;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-cn);
            background: var(--bg-primary);
            color: var(--text-1);
            font-size: 1rem;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: all var(--transition); }
        ul, ol { list-style: none; }
        button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
        input { font-family: inherit; }
        .grid-container { max-width: 1200px; }
        .section-pad { padding: clamp(4rem, 8vw, 7rem) 0; }
        .section-head { text-align: center; max-width: 720px; margin: 0 auto clamp(2.5rem, 5vw, 4rem); }
        .section-head h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.25rem);
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 0.75em;
        }
        .section-head p {
            font-size: 1rem;
            color: var(--text-2);
            line-height: 1.8;
        }
        .section-head .tag {
            display: inline-block;
            font-size: 0.75rem;
            letter-spacing: 0.05em;
            color: var(--primary);
            background: rgba(200, 255, 47, 0.08);
            border: 1px solid var(--border-highlight);
            border-radius: var(--radius-pill);
            padding: 0.35rem 1rem;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-pill);
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.4;
            border: 1px solid transparent;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #0A0E13;
            border-color: var(--primary);
        }
        .btn-primary:hover, .btn-primary:focus {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 255, 47, 0.25);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-1);
            border-color: var(--border);
        }
        .btn-ghost:hover, .btn-ghost:focus {
            border-color: var(--primary);
            background: rgba(200, 255, 47, 0.08);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-sm { padding: 0.55rem 1.25rem; font-size: 0.875rem; }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        /* ===== Dock Navigation ===== */
        .site-dock {
            position: fixed;
            top: 12px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 24px);
            max-width: 760px;
            background: rgba(10, 13, 17, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .site-dock.scrolled {
            background: rgba(7, 9, 12, 0.95);
            box-shadow: var(--shadow-lg);
        }
        .dock-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 0.5rem 0.75rem 0.5rem 1.25rem;
        }
        .dock-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-1);
            letter-spacing: 0.02em;
            display: flex;
            align-items: baseline;
            gap: 2px;
            flex-shrink: 0;
        }
        .dock-brand em {
            font-style: normal;
            color: var(--primary);
            font-weight: 800;
        }
        .dock-links {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .dock-links::-webkit-scrollbar { display: none; }
        .dock-links a {
            font-size: 0.875rem;
            color: var(--text-2);
            padding: 0.45rem 0.75rem;
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
        }
        .dock-links a:hover {
            color: var(--text-1);
            background: rgba(255, 255, 255, 0.05);
        }
        .dock-links a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .dock-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .dock-search {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-2);
            transition: all var(--transition);
        }
        .dock-search:hover {
            color: var(--primary);
            background: rgba(200, 255, 47, 0.08);
        }
        .dock-search:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .dock-toggle {
            display: none;
            width: 36px;
            height: 36px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 8px;
        }
        .dock-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-1);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .dock-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--primary); }
        .dock-toggle.active span:nth-child(2) { opacity: 0; }
        .dock-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--primary); }
        .dock-search-bar {
            position: absolute;
            top: calc(100% + 8px);
            left: 12px;
            right: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0.5rem;
            display: none;
            box-shadow: var(--shadow-lg);
        }
        .dock-search-bar.open { display: block; }
        .dock-search-bar form {
            display: flex;
            gap: 0.5rem;
        }
        .dock-search-bar input {
            flex: 1;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 0.6rem 1rem;
            color: var(--text-1);
            font-size: 0.875rem;
            outline: none;
            transition: all var(--transition);
        }
        .dock-search-bar input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(200, 255, 47, 0.15);
        }
        .dock-search-bar button {
            background: var(--primary);
            color: #0A0E13;
            border-radius: 8px;
            padding: 0.6rem 1.2rem;
            font-weight: 600;
            font-size: 0.875rem;
            transition: all var(--transition);
        }
        .dock-search-bar button:hover { background: var(--primary-hover); }

        /* ===== Category Header ===== */
        .category-header {
            position: relative;
            padding: 8rem 0 4rem;
            background: linear-gradient(rgba(15, 20, 27, 0.92), rgba(10, 14, 19, 0.97)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border);
        }
        .category-header .breadcrumb {
            font-size: 0.875rem;
            color: var(--text-2);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .category-header .breadcrumb a { color: var(--text-2); }
        .category-header .breadcrumb a:hover { color: var(--primary); }
        .category-header .breadcrumb .current { color: var(--text-1); }
        .category-header h1 {
            font-size: clamp(2rem, 4vw, 3.5rem);
            line-height: 1.15;
            font-weight: 800;
            margin-bottom: 0.5em;
            color: var(--text-1);
        }
        .category-header h1 em {
            font-style: normal;
            color: var(--primary);
        }
        .category-header .sub-title {
            font-size: 1.1rem;
            color: var(--text-2);
            max-width: 620px;
            line-height: 1.8;
        }

        /* ===== Category Cards ===== */
        .cat-cards-section { padding: clamp(4rem, 8vw, 7rem) 0; }
        .cat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), 0 0 0 1px var(--border-highlight);
            border-color: var(--border-highlight);
        }
        .cat-card .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }
        .cat-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .cat-card:hover .card-img img { transform: scale(1.04); }
        .cat-card .card-body {
            padding: 1.75rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            flex: 1;
        }
        .cat-card .card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-1);
            line-height: 1.4;
        }
        .cat-card .card-body p {
            color: var(--text-2);
            font-size: 0.9375rem;
            line-height: 1.7;
            flex: 1;
        }
        .cat-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--primary);
            font-size: 0.9375rem;
            font-weight: 600;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border);
            margin-top: auto;
        }
        .cat-card .card-link i { transition: transform var(--transition); }
        .cat-card .card-link:hover i { transform: translateX(4px); }
        .cat-card .card-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== Steps ===== */
        .steps-section {
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .steps-grid { position: relative; }
        .steps-grid .step-line {
            position: absolute;
            top: 48px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(to right, var(--border-highlight), var(--border), var(--border-highlight));
            z-index: 0;
        }
        .step-item {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 1rem 0.75rem;
        }
        .step-num {
            width: 76px;
            height: 76px;
            margin: 0 auto 1rem;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--border-highlight);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
            box-shadow: 0 0 0 6px var(--bg-alt);
            transition: all var(--transition);
        }
        .step-item:hover .step-num {
            background: var(--primary);
            color: #0A0E13;
            transform: scale(1.06);
        }
        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 0.45rem;
        }
        .step-item p {
            font-size: 0.875rem;
            color: var(--text-2);
            line-height: 1.6;
            max-width: 220px;
            margin: 0 auto;
        }

        /* ===== Scenes ===== */
        .scenes-section { padding: clamp(4rem, 8vw, 7rem) 0; }
        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 2rem 1.75rem;
            height: 100%;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .scene-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            opacity: 0;
            transition: all var(--transition);
        }
        .scene-card:hover {
            border-color: var(--border-highlight);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .scene-card:hover::before { opacity: 1; }
        .scene-card .scene-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(200, 255, 47, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 1.25rem;
        }
        .scene-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 0.75rem;
        }
        .scene-card p {
            font-size: 0.875rem;
            color: var(--text-2);
            line-height: 1.7;
            margin-bottom: 0.75rem;
        }
        .scene-card ul {
            margin-top: 0.5rem;
        }
        .scene-card ul li {
            font-size: 0.875rem;
            color: var(--text-2);
            padding: 0.25rem 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .scene-card ul li i {
            color: var(--primary);
            font-size: 0.8rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            border-top: 1px solid var(--border);
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.4rem 0.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-1);
            text-align: left;
            transition: all var(--transition);
            background: transparent;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-2);
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .faq-item.active .faq-question { color: var(--primary); }
        .faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #0A0E13; border-color: var(--primary); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-answer-inner {
            padding: 0 2.5rem 1.4rem 0.5rem;
            color: var(--text-2);
            font-size: 0.9375rem;
            line-height: 1.8;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            padding: clamp(3rem, 6vw, 5rem) 0;
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
            background: var(--bg-alt);
            border: 1px solid var(--border-highlight);
            border-radius: var(--radius-lg);
            padding: clamp(2rem, 4vw, 3.5rem);
            position: relative;
            overflow: hidden;
        }
        .cta-inner::after {
            content: '';
            position: absolute;
            right: -60px;
            bottom: -60px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(200, 255, 47, 0.06), transparent 70%);
            pointer-events: none;
        }
        .cta-inner h3 {
            font-size: clamp(1.3rem, 2.5vw, 1.75rem);
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 0.5rem;
        }
        .cta-inner p {
            color: var(--text-2);
            font-size: 0.9375rem;
        }
        .cta-inner .btn { flex-shrink: 0; }

        /* ===== FAB ===== */
        .fab-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 999;
            background: var(--primary);
            color: #0A0E13;
            border-radius: var(--radius-pill);
            padding: 0.85rem 1.75rem;
            font-weight: 700;
            font-size: 0.9375rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 8px 32px rgba(200, 255, 47, 0.3);
            transition: all var(--transition);
            opacity: 0;
            visibility: hidden;
            transform: translateY(16px);
        }
        .fab-cta.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .fab-cta:hover {
            background: var(--primary-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(200, 255, 47, 0.4);
        }
        .fab-cta:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 4rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 2.5rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-brand .flogo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-1);
            margin-bottom: 1rem;
        }
        .footer-brand .flogo em {
            font-style: normal;
            color: var(--primary);
        }
        .footer-brand p {
            color: var(--text-3);
            font-size: 0.875rem;
            line-height: 1.7;
            margin-bottom: 1.25rem;
        }
        .footer-social {
            display: flex;
            gap: 0.75rem;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-2);
            transition: all var(--transition);
        }
        .footer-social a:hover {
            color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-1);
            margin-bottom: 1.25rem;
        }
        .footer-col ul li {
            margin-bottom: 0.6rem;
        }
        .footer-col ul li a {
            color: var(--text-3);
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: all var(--transition);
        }
        .footer-col ul li a i { font-size: 0.7rem; color: var(--text-3); transition: all var(--transition); }
        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-col ul li a:hover i { color: var(--primary); }
        .footer-subscribe h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-1);
            margin-bottom: 0.5rem;
        }
        .footer-subscribe p {
            color: var(--text-3);
            font-size: 0.8125rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        .subscribe-form {
            display: flex;
            gap: 0.5rem;
        }
        .subscribe-form input {
            flex: 1;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 0.65rem 1.25rem;
            color: var(--text-1);
            font-size: 0.875rem;
            outline: none;
            transition: all var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(200, 255, 47, 0.15);
        }
        .subscribe-form input::placeholder { color: var(--text-3); }
        .subscribe-form button {
            background: var(--primary);
            color: #0A0E13;
            border-radius: var(--radius-pill);
            padding: 0.65rem 1.5rem;
            font-weight: 600;
            font-size: 0.875rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
            padding: 1.5rem 0;
        }
        .footer-bottom p {
            color: var(--text-3);
            font-size: 0.8125rem;
        }
        .legal-links {
            display: flex;
            gap: 1.5rem;
        }
        .legal-links a {
            color: var(--text-3);
            font-size: 0.8125rem;
            transition: all var(--transition);
        }
        .legal-links a:hover { color: var(--primary); }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .steps-grid .step-line { display: none; }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 639px) {
            .section-pad { padding: 3.5rem 0; }
            .dock-inner { padding: 0.45rem 0.6rem 0.45rem 1rem; }
            .dock-links {
                position: absolute;
                top: calc(100% + 12px);
                left: 12px;
                right: 12px;
                background: var(--bg-card);
                border: 1px solid var(--border);
                border-radius: var(--radius-md);
                padding: 0.75rem;
                flex-direction: column;
                align-items: stretch;
                gap: 0.25rem;
                display: none;
                box-shadow: var(--shadow-lg);
            }
            .dock-links.open { display: flex; }
            .dock-links a {
                padding: 0.75rem 1rem;
                border-radius: 8px;
                border-left: 3px solid transparent;
                border-bottom: none;
            }
            .dock-links a.active {
                border-left-color: var(--primary);
                background: rgba(200, 255, 47, 0.06);
            }
            .dock-link-overlay {
                position: fixed;
                inset: 0;
                z-index: 999;
                background: rgba(0, 0, 0, 0.5);
                display: none;
            }
            .dock-link-overlay.open { display: block; }
            .dock-toggle { display: flex; }
            .dock-actions .btn-sm { display: none; }
            .category-header { padding: 6rem 0 3rem; }
            .category-header h1 { font-size: 1.8rem; }
            .cta-inner { flex-direction: column; text-align: center; }
            .fab-cta {
                width: 56px;
                height: 56px;
                padding: 0;
                justify-content: center;
                border-radius: 50%;
                font-size: 0;
                bottom: 16px;
                right: 16px;
            }
            .fab-cta i { font-size: 1.25rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .subscribe-form { flex-direction: column; }
            .subscribe-form button { width: 100%; }
        }

        @media (min-width: 640px) and (max-width: 1023px) {
            .dock-links a { font-size: 0.8125rem; padding: 0.4rem 0.5rem; }
        }

/* roulang page: article */
/* ===== Design Tokens ===== */
        :root {
            --bg-body: #0A0E13;
            --bg-section: #0F141B;
            --bg-card: #131A22;
            --brand: #C8FF2F;
            --brand-hover: #D6FF4D;
            --accent: #FF7A2B;
            --text-1: #E9EDF2;
            --text-2: #9AA7B4;
            --text-3: #5E6E7E;
            --border: rgba(255, 255, 255, 0.08);
            --border-brand: rgba(200, 255, 47, 0.35);
            --radius: 14px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.45);
            --transition: 0.25s ease;
            --font-din: "DIN Alternate", "Barlow Condensed", "Rajdhani", "PingFang SC", sans-serif;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--bg-body);
            color: var(--text-1);
            font-family: var(--font-cn);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        ul,
        ol {
            list-style: none;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        img {
            display: block;
            max-width: 100%;
        }

        button,
        input {
            font-family: inherit;
            border: none;
        }

        button {
            cursor: pointer;
        }

        .grid-container {
            max-width: 1200px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-size: 0.9375rem;
            font-weight: 600;
            line-height: 1.4;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--brand);
            color: #0A0E13;
            box-shadow: 0 4px 16px rgba(200, 255, 47, 0.18);
        }

        .btn-primary:hover {
            background: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(200, 255, 47, 0.28);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-1);
            border: 1px solid var(--border);
        }

        .btn-ghost:hover {
            border-color: var(--brand);
            background: rgba(200, 255, 47, 0.08);
            color: var(--brand);
        }

        .btn-sm {
            padding: 8px 22px;
            font-size: 0.875rem;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 1rem;
        }

        /* ===== Dock Navigation ===== */
        .site-dock {
            position: fixed;
            top: 12px;
            left: 0;
            right: 0;
            z-index: 999;
            display: flex;
            justify-content: center;
            pointer-events: none;
            padding: 0 12px;
        }

        .dock-inner {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            max-width: 900px;
            width: 100%;
            background: rgba(10, 14, 19, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 8px 10px 8px 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-dock.scrolled .dock-inner {
            background: rgba(7, 10, 14, 0.92);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
        }

        .dock-brand {
            display: flex;
            align-items: baseline;
            font-size: 1.2rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-1);
            flex-shrink: 0;
        }

        .dock-brand em {
            font-style: normal;
            color: var(--brand);
            font-size: 0.85em;
            margin-left: 2px;
        }

        .dock-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .dock-links::-webkit-scrollbar {
            display: none;
        }

        .dock-links a {
            padding: 6px 10px;
            font-size: 0.875rem;
            color: var(--text-2);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }

        .dock-links a:hover {
            color: var(--text-1);
            background: rgba(255, 255, 255, 0.05);
        }

        .dock-links a.active {
            color: var(--brand);
            font-weight: 600;
            background: rgba(200, 255, 47, 0.1);
        }

        .dock-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .dock-search {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-2);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            font-size: 0.875rem;
        }

        .dock-search:hover {
            color: var(--brand);
            border-color: var(--brand);
        }

        .dock-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }

        .dock-toggle span {
            display: block;
            width: 16px;
            height: 2px;
            background: var(--text-1);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .dock-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .dock-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .dock-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* ===== Article Page Layout ===== */
        .article-page {
            padding-top: 100px;
            min-height: 80vh;
        }

        .article-shell {
            max-width: 900px;
            margin: 0 auto;
            padding: 40px 24px 0;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            padding: 14px 22px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 36px;
            font-size: 0.875rem;
            color: var(--text-2);
        }

        .breadcrumb a {
            color: var(--text-2);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--brand);
        }

        .breadcrumb .crumb-sep {
            color: var(--text-3);
        }

        .breadcrumb .crumb-cat {
            color: var(--brand);
            font-weight: 600;
        }

        .breadcrumb .crumb-current {
            color: var(--text-2);
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* Article Header */
        .article-header {
            text-align: center;
            padding: 20px 0 48px;
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 18px;
            margin-bottom: 22px;
        }

        .meta-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 16px;
            background: rgba(200, 255, 47, 0.12);
            color: var(--brand);
            border: 1px solid var(--border-brand);
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.05em;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-2);
            font-size: 0.875rem;
        }

        .meta-item i {
            color: var(--text-3);
        }

        .article-title {
            font-size: clamp(1.75rem, 3.2vw, 2.5rem);
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-1);
            max-width: 820px;
            margin: 0 auto;
            letter-spacing: -0.01em;
        }

        .article-divider {
            width: 72px;
            height: 3px;
            background: var(--brand);
            border-radius: 3px;
            margin: 32px auto 0;
        }

        /* Article Content */
        .article-content-section {
            padding-bottom: 20px;
        }

        .article-content {
            max-width: 760px;
            margin: 0 auto;
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text-1);
            word-wrap: break-word;
        }

        .article-content p {
            margin-bottom: 1.5em;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-1);
            margin: 2em 0 0.8em;
            line-height: 1.35;
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-1);
            margin: 1.75em 0 0.6em;
            line-height: 1.4;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.5em;
            padding-left: 1.6em;
        }

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 0.5em;
        }

        .article-content img {
            border-radius: 12px;
            margin: 1.5em 0;
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .article-content blockquote {
            border-left: 3px solid var(--brand);
            padding: 12px 24px;
            margin: 1.5em 0;
            background: rgba(200, 255, 47, 0.04);
            border-radius: 0 var(--radius) var(--radius) 0;
            color: var(--text-2);
            font-style: italic;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 0.9375rem;
        }

        .article-content th,
        .article-content td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }

        .article-content th {
            background: var(--bg-card);
            font-weight: 700;
            color: var(--text-1);
        }

        .article-content a {
            color: var(--brand);
            border-bottom: 1px solid rgba(200, 255, 47, 0.3);
        }

        .article-content a:hover {
            border-bottom-color: var(--brand);
        }

        /* Not Found */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            max-width: 600px;
            margin: 60px auto;
        }

        .not-found-box i {
            font-size: 3rem;
            color: var(--text-3);
            margin-bottom: 24px;
        }

        .not-found-box h2 {
            font-size: 1.5rem;
            margin-bottom: 12px;
        }

        .not-found-box p {
            color: var(--text-2);
            margin-bottom: 28px;
        }

        /* Tags */
        .article-tags-section {
            padding: 24px 0 32px;
        }

        .tag-list {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .article-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            font-size: 0.8125rem;
            color: var(--text-2);
            transition: all var(--transition);
        }

        .article-tag:hover {
            border-color: var(--border-brand);
            color: var(--brand);
            background: rgba(200, 255, 47, 0.06);
        }

        /* Related */
        .related-section {
            padding: 56px 24px;
            background: var(--bg-section);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .related-title {
            text-align: center;
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 40px;
            color: var(--text-1);
        }

        .related-card {
            display: block;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 20px;
            transition: all var(--transition);
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-brand);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(200, 255, 47, 0.2);
        }

        .related-image {
            position: relative;
            overflow: hidden;
        }

        .related-image img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .related-card:hover .related-image img {
            transform: scale(1.04);
        }

        .related-body {
            padding: 20px;
        }

        .related-date {
            font-size: 0.75rem;
            color: var(--text-3);
            font-family: var(--font-din);
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 8px;
        }

        .related-body h4 {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-1);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
            transition: color var(--transition);
        }

        .related-card:hover .related-body h4 {
            color: var(--brand);
        }

        .related-link {
            font-size: 0.8125rem;
            color: var(--text-2);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .related-card:hover .related-link {
            color: var(--brand);
        }

        /* Back Button */
        .article-back-section {
            padding: 48px 24px;
            text-align: center;
        }

        /* CTA */
        .article-cta-section {
            padding: 0 24px 72px;
        }

        .cta-block {
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            background: var(--bg-card);
            border: 1px solid var(--border-brand);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 14, 19, 0.9) 30%, rgba(10, 14, 19, 0.6));
            border-radius: inherit;
        }

        .cta-text,
        .cta-block .btn {
            position: relative;
            z-index: 1;
        }

        .cta-text h3 {
            font-size: 1.375rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .cta-text p {
            color: var(--text-2);
            font-size: 0.9375rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #07090C;
            border-top: 1px solid var(--border);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .flogo {
            font-size: 1.375rem;
            font-weight: 800;
            color: var(--text-1);
            margin-bottom: 14px;
        }

        .flogo em {
            font-style: normal;
            color: var(--brand);
        }

        .footer-brand p {
            color: var(--text-2);
            font-size: 0.875rem;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 280px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-2);
            font-size: 0.9375rem;
            transition: all var(--transition);
        }

        .footer-social a:hover {
            background: var(--brand);
            color: #0A0E13;
            border-color: var(--brand);
            transform: translateY(-2px);
        }

        .footer-col h4,
        .footer-subscribe h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-1);
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: var(--text-2);
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition);
        }

        .footer-col ul a i {
            font-size: 0.625rem;
            color: var(--text-3);
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--brand);
        }

        .footer-col ul a:hover i {
            color: var(--brand);
        }

        .footer-subscribe p {
            color: var(--text-2);
            font-size: 0.875rem;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .subscribe-form {
            display: flex;
            gap: 0;
            background: var(--bg-body);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 4px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .subscribe-form:focus-within {
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(200, 255, 47, 0.15);
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            background: transparent;
            border: none;
            padding: 10px 16px;
            color: var(--text-1);
            font-size: 0.875rem;
            outline: none;
            min-width: 0;
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-3);
        }

        .subscribe-form button {
            background: var(--brand);
            color: #0A0E13;
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-size: 0.875rem;
            font-weight: 700;
            transition: background var(--transition);
            flex-shrink: 0;
        }

        .subscribe-form button:hover {
            background: var(--brand-hover);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 24px;
            font-size: 0.8125rem;
            color: var(--text-3);
        }

        .legal-links {
            display: flex;
            gap: 20px;
        }

        .legal-links a {
            color: var(--text-3);
            transition: color var(--transition);
        }

        .legal-links a:hover {
            color: var(--text-2);
        }

        /* ===== Floating CTA ===== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 998;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            background: var(--brand);
            color: #0A0E13;
            font-weight: 700;
            font-size: 0.9375rem;
            box-shadow: 0 8px 32px rgba(200, 255, 47, 0.3);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .float-cta:hover {
            background: var(--brand-hover);
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(200, 255, 47, 0.4);
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media screen and (max-width: 639px) {
            .site-dock {
                top: 8px;
                padding: 0 12px;
            }

            .dock-inner {
                border-radius: 24px;
                padding: 6px 6px 6px 16px;
            }

            .dock-brand {
                font-size: 1.05rem;
            }

            .dock-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: rgba(10, 14, 19, 0.96);
                border: 1px solid var(--border);
                border-radius: 20px;
                padding: 12px;
                gap: 4px;
                backdrop-filter: blur(20px);
                box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
            }

            .dock-links.open {
                display: flex;
            }

            .dock-links a {
                padding: 12px 16px;
                font-size: 0.9375rem;
                width: 100%;
                text-align: left;
                border-radius: 12px;
            }

            .dock-toggle {
                display: flex;
            }

            .dock-actions .btn-sm {
                display: none;
            }

            .dock-search {
                width: 36px;
                height: 36px;
            }

            .article-page {
                padding-top: 80px;
            }

            .article-shell {
                padding: 24px 16px 0;
            }

            .breadcrumb {
                padding: 10px 14px;
                font-size: 0.8125rem;
                margin-bottom: 24px;
                border-radius: 12px;
            }

            .breadcrumb .crumb-current {
                max-width: 140px;
            }

            .article-header {
                padding: 16px 0 32px;
            }

            .article-meta-row {
                gap: 10px;
                margin-bottom: 16px;
                flex-direction: column;
            }

            .article-title {
                font-size: 1.5rem;
                line-height: 1.3;
            }

            .article-divider {
                margin-top: 24px;
            }

            .related-section {
                padding: 40px 16px;
            }

            .related-title {
                font-size: 1.35rem;
                margin-bottom: 28px;
            }

            .related-card {
                margin-bottom: 16px;
            }

            .cta-block {
                flex-direction: column;
                align-items: flex-start;
                border-radius: 18px;
                padding: 28px 24px;
            }

            .article-back-section {
                padding: 32px 16px;
            }

            .float-cta {
                right: 16px;
                bottom: 16px;
                padding: 0;
                width: 56px;
                height: 56px;
                border-radius: 50%;
                justify-content: center;
                align-items: center;
                font-size: 0;
                gap: 0;
            }

            .float-cta i {
                font-size: 1.25rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .legal-links {
                flex-wrap: wrap;
            }

            .subscribe-form {
                flex-direction: column;
                border-radius: 16px;
                gap: 8px;
            }

            .subscribe-form input[type="email"] {
                width: 100%;
                padding: 12px 16px;
            }

            .subscribe-form button {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root{
  --bg-dark:#0A0E13;--bg-alt:#0F141B;--bg-card:#131A22;--bg-footer:#07090C;
  --primary:#C8FF2F;--primary-hover:#D6FF4D;--primary-soft:rgba(200,255,47,.08);
  --accent:#FF7A2B;--text-1:#E9EDF2;--text-2:#9AA7B4;--text-3:#5E6E7E;
  --border-1:rgba(255,255,255,.08);--border-2:rgba(200,255,47,.35);
  --radius-card:14px;--radius-lg:20px;--radius-btn:999px;--radius-input:12px;
  --shadow-1:0 4px 20px rgba(0,0,0,.3);--shadow-2:0 12px 32px rgba(0,0,0,.45);
  --transition:.25s ease;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow Condensed","Rajdhani",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-cn);background:var(--bg-dark);color:var(--text-1);line-height:1.8;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
a:hover{color:var(--primary)}
img{max-width:100%;display:block;height:auto}
button,input{font-family:inherit}
ul{list-style:none}
.grid-container{max-width:1200px}
::selection{background:var(--primary);color:#0A0E13}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius-btn);font-weight:600;font-size:.9375rem;line-height:1.4;border:none;transition:all var(--transition);cursor:pointer}
.btn-primary{background:var(--primary);color:#0A0E13;box-shadow:0 4px 20px rgba(200,255,47,.2)}
.btn-primary:hover{background:var(--primary-hover);color:#0A0E13;transform:translateY(-2px);box-shadow:0 8px 28px rgba(200,255,47,.3)}
.btn-ghost{background:transparent;color:var(--text-1);border:1px solid var(--border-1)}
.btn-ghost:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}
.btn-sm{padding:8px 20px;font-size:.875rem}
.btn-lg{padding:16px 42px;font-size:1rem}
/* Dock导航 */
.site-dock{position:fixed;top:12px;left:0;right:0;z-index:1000;display:flex;justify-content:center;pointer-events:none}
.dock-inner{max-width:820px;width:calc(100% - 24px);display:flex;align-items:center;gap:12px;padding:8px 18px;background:rgba(10,13,17,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-1);border-radius:var(--radius-btn);box-shadow:var(--shadow-1);pointer-events:auto;transition:background var(--transition),box-shadow var(--transition)}
.site-dock.scrolled .dock-inner{background:rgba(10,13,17,.95);box-shadow:var(--shadow-2)}
.dock-brand{font-weight:800;font-size:1.25rem;letter-spacing:.02em;color:var(--text-1);display:flex;align-items:center;gap:2px;white-space:nowrap}
.dock-brand em{font-style:normal;color:var(--primary)}
.dock-links{display:flex;align-items:center;gap:2px;flex:1;justify-content:center;flex-wrap:nowrap}
.dock-links a{padding:6px 12px;font-size:.875rem;color:var(--text-2);border-radius:var(--radius-btn);white-space:nowrap;transition:color var(--transition)}
.dock-links a:hover{color:var(--text-1)}
.dock-links a.active{color:var(--primary);font-weight:600}
.dock-actions{display:flex;align-items:center;gap:8px}
.dock-search-wrap{position:relative;display:flex;align-items:center}
.dock-search{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;color:var(--text-2);transition:all var(--transition)}
.dock-search:hover{color:var(--primary);background:var(--primary-soft)}
.search-box{position:absolute;right:44px;top:50%;transform:translateY(-50%);width:0;opacity:0;overflow:hidden;transition:width .3s ease,opacity .3s ease}
.search-box.open{width:210px;opacity:1}
.search-box input{width:100%;padding:8px 16px;border:1px solid var(--border-1);border-radius:var(--radius-btn);background:var(--bg-card);color:var(--text-1);font-size:.875rem;outline:0}
.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(200,255,47,.15)}
.dock-toggle{display:none;width:36px;height:36px;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--border-1);cursor:pointer;background:transparent}
.dock-toggle span{width:16px;height:2px;background:var(--text-1);position:relative;display:block}
.dock-toggle span::before,.dock-toggle span::after{content:'';position:absolute;left:0;width:16px;height:2px;background:var(--text-1)}
.dock-toggle span::before{top:-5px}
.dock-toggle span::after{top:5px}
/* 分类页头 */
.category-hero{position:relative;min-height:52vh;display:flex;align-items:center;background:linear-gradient(to bottom,rgba(10,14,19,.35),rgba(10,14,19,.92)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;border-bottom:1px solid var(--border-1);padding:9rem 0 5rem;margin-top:0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--text-3);margin-bottom:1.75rem}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text-1);font-weight:500}
.category-hero h1{font-size:clamp(2.25rem,4.5vw,3.5rem);line-height:1.15;font-weight:800;margin-bottom:1rem;letter-spacing:.01em}
.category-hero h1 span{color:var(--primary)}
.category-hero .lead{font-size:1.125rem;color:var(--text-2);max-width:560px;margin-bottom:2rem;line-height:1.7}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
/* 通用板块 */
.section{padding:clamp(4rem,8vw,7rem) 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--border-1);border-bottom:1px solid var(--border-1)}
.section-head{text-align:center;max-width:720px;margin:0 auto clamp(2.5rem,5vw,4rem)}
.section-head .sub-label{display:inline-block;font-size:.75rem;letter-spacing:.05em;color:var(--primary);font-weight:700;text-transform:uppercase;margin-bottom:.625rem}
.section-head h2{font-size:clamp(1.5rem,2.5vw,2.25rem);font-weight:700;line-height:1.25;margin-bottom:.875rem}
.section-head p{color:var(--text-2);font-size:.9375rem;line-height:1.7}
/* 卖点卡 */
.teaser-card{background:var(--bg-card);border:1px solid var(--border-1);border-radius:var(--radius-card);padding:2rem 1.75rem;height:100%;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);position:relative;overflow:hidden}
.teaser-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:transparent;transition:background var(--transition)}
.teaser-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2),0 0 0 1px var(--border-2);border-color:var(--border-2)}
.teaser-card:hover::before{background:var(--primary)}
.teaser-card .icon{width:52px;height:52px;border-radius:14px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.35rem;margin-bottom:1.5rem}
.teaser-card h3{font-size:1.25rem;font-weight:700;margin-bottom:.75rem}
.teaser-card p{color:var(--text-2);font-size:.9375rem;line-height:1.7;margin-bottom:1.25rem}
.teaser-card .more{display:inline-flex;align-items:center;gap:8px;font-size:.875rem;font-weight:600;color:var(--text-2);transition:color var(--transition)}
.teaser-card .more i{transition:transform var(--transition)}
.teaser-card:hover .more{color:var(--primary)}
.teaser-card:hover .more i{transform:translateX(4px)}
.teaser-card .num{position:absolute;top:1rem;right:1.25rem;font-family:var(--font-num);font-size:2.5rem;font-weight:700;color:rgba(255,255,255,.05);line-height:1}
.teaser-card:hover .num{color:rgba(200,255,47,.1)}
/* 步骤条 */
.step-card{background:var(--bg-card);border:1px solid var(--border-1);border-radius:var(--radius-card);padding:2.25rem 1.75rem;height:100%;text-align:center;transition:all var(--transition);position:relative}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2),0 0 0 1px var(--border-2)}
.step-num{font-family:var(--font-num);font-size:2.75rem;font-weight:700;color:var(--primary);line-height:1;display:block;margin-bottom:1.25rem}
.step-card h3{font-size:1.125rem;font-weight:700;margin-bottom:.625rem}
.step-card p{color:var(--text-2);font-size:.875rem;line-height:1.65}
.step-arrow{display:flex;align-items:center;justify-content:center;color:var(--text-3)}
/* 图文交替 */
.media-row{display:flex;align-items:center;gap:clamp(1.5rem,4vw,3.5rem);margin-bottom:4rem}
.media-row:last-child{margin-bottom:0}
.media-row .media-img{flex:1 1 50%;border-radius:18px;overflow:hidden;border:1px solid var(--border-1);box-shadow:var(--shadow-1)}
.media-img img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--transition)}
.media-row:hover .media-img img{transform:scale(1.02)}
.media-row .media-text{flex:1 1 50%}
.media-row .tag{display:inline-block;font-size:.75rem;letter-spacing:.05em;color:var(--primary);margin-bottom:.875rem;font-weight:700}
.media-row h3{font-size:clamp(1.25rem,2vw,1.625rem);font-weight:700;margin-bottom:.875rem;line-height:1.3}
.media-row p{color:var(--text-2);font-size:.9375rem;line-height:1.75}
.media-row .text-link{display:inline-flex;align-items:center;gap:8px;margin-top:1.25rem;color:var(--primary);font-weight:600;font-size:.875rem}
.media-row.flip .media-img{order:2}
/* 项目卡片 */
.project-card{background:var(--bg-card);border:1px solid var(--border-1);border-radius:var(--radius-card);overflow:hidden;height:100%;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
.project-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2),0 0 0 1px var(--border-2);border-color:var(--border-2)}
.project-card .cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.project-card .cover img{width:100%;height:100%;object-fit:cover}
.project-card .badge{position:absolute;top:14px;left:14px;background:rgba(10,14,19,.82);color:var(--primary);padding:4px 14px;border-radius:var(--radius-btn);font-size:.75rem;font-weight:600;border:1px solid var(--border-2);backdrop-filter:blur(4px)}
.project-card .info{padding:1.5rem 1.5rem 1.625rem}
.project-card .info h3{font-size:1.125rem;font-weight:700;margin-bottom:.5rem}
.project-card .info p{color:var(--text-2);font-size:.875rem;line-height:1.7;margin-bottom:1rem}
.project-card .link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:.875rem}
.project-card .link i{transition:transform var(--transition)}
.project-card:hover .link i{transform:translateX(4px)}
/* 数据墙 */
.data-wall{background:var(--bg-card);border:1px solid var(--border-1);border-radius:var(--radius-lg);padding:clamp(2rem,4vw,3.25rem) clamp(1.5rem,3vw,3rem)}
.data-item{text-align:center;padding:1rem .5rem}
.data-item .number{font-family:var(--font-num);font-size:clamp(2.25rem,4vw,3.125rem);font-weight:700;color:var(--primary);line-height:1;letter-spacing:.01em}
.data-item .unit{color:var(--text-2);font-size:.9375rem;margin-top:.375rem}
.data-item .label{color:var(--text-3);font-size:.8125rem;margin-top:.5rem}
/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border-1)}
.faq-item:last-child{border-bottom:none}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.375rem 0;font-size:1rem;font-weight:600;text-align:left;background:transparent;border:none;color:var(--text-1);cursor:pointer;transition:color var(--transition)}
.faq-q:hover{color:var(--primary)}
.faq-icon{width:30px;height:30px;border-radius:50%;border:1px solid var(--border-1);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:.75rem;transition:all var(--transition);color:var(--text-2)}
.faq-item.active .faq-q{color:var(--primary)}
.faq-item.active .faq-icon{border-color:var(--primary);color:var(--primary);transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a .inner{padding-bottom:1.375rem;color:var(--text-2);font-size:.9375rem;line-height:1.75}
/* CTA横条 */
.cta-banner{background:linear-gradient(135deg,rgba(200,255,47,.1),rgba(255,122,43,.04)),var(--bg-card);border:1px solid var(--border-2);border-radius:var(--radius-lg);padding:clamp(2rem,4vw,3rem);display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.cta-banner h3{font-size:clamp(1.25rem,2vw,1.625rem);font-weight:700;line-height:1.3}
.cta-banner p{color:var(--text-2);margin-top:.375rem;font-size:.9375rem}
/* 页脚 */
.site-footer{background:var(--bg-footer);border-top:1px solid rgba(255,255,255,.06);padding:4.5rem 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.2fr;gap:3rem;padding-bottom:3.5rem}
.footer-brand .flogo{font-size:1.5rem;font-weight:800;margin-bottom:1rem;letter-spacing:.02em}
.footer-brand .flogo em{font-style:normal;color:var(--primary)}
.footer-brand p{color:var(--text-3);font-size:.875rem;max-width:280px;line-height:1.7}
.footer-social{display:flex;gap:10px;margin-top:1.5rem}
.footer-social a{width:38px;height:38px;border-radius:50%;border:1px solid var(--border-1);display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:.875rem;transition:all var(--transition)}
.footer-social a:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}
.footer-col h4,.footer-subscribe h4{font-size:.9375rem;font-weight:700;margin-bottom:1.25rem;color:var(--text-1);letter-spacing:.02em}
.footer-col li{margin-bottom:.75rem}
.footer-col a{color:var(--text-3);font-size:.875rem;display:inline-flex;align-items:center;gap:8px;transition:color var(--transition)}
.footer-col a i{font-size:.625rem;color:var(--text-3);transition:color var(--transition)}
.footer-col a:hover{color:var(--primary)}
.footer-col a:hover i{color:var(--primary)}
.footer-subscribe p{color:var(--text-3);font-size:.875rem;margin-bottom:1.25rem;line-height:1.6}
.subscribe-form{display:flex;gap:8px;max-width:340px}
.subscribe-form input{flex:1;min-width:0;padding:11px 20px;border-radius:var(--radius-btn);border:1px solid var(--border-1);background:var(--bg-dark);color:var(--text-1);font-size:.875rem;outline:0;transition:border-color var(--transition),box-shadow var(--transition)}
.subscribe-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(200,255,47,.15)}
.subscribe-form button{padding:11px 24px;border-radius:var(--radius-btn);background:var(--primary);color:#0A0E13;font-weight:700;font-size:.875rem;border:none;cursor:pointer;transition:all var(--transition)}
.subscribe-form button:hover{background:var(--primary-hover)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:1.625rem 0;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.footer-bottom p{color:var(--text-3);font-size:.8125rem}
.legal-links{display:flex;gap:1.5rem;flex-wrap:wrap}
.legal-links a{color:var(--text-3);font-size:.8125rem}
.legal-links a:hover{color:var(--primary)}
/* 浮动CTA */
.float-cta{position:fixed;bottom:24px;right:24px;z-index:999;display:none}
.float-cta.show{display:inline-flex;animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
/* 响应式 */
@media(max-width:1024px){
  .dock-inner{max-width:720px}
  .dock-links a{padding:6px 8px;font-size:.8125rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2.5rem}
}
@media(max-width:768px){
  .dock-inner{max-width:calc(100% - 24px);border-radius:24px}
  .dock-links{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;background:rgba(10,13,17,.96);backdrop-filter:blur(16px);padding:14px;border-radius:18px;border:1px solid var(--border-1);box-shadow:var(--shadow-2)}
  .dock-links.open{display:flex}
  .dock-links a{width:100%;text-align:center;padding:10px 12px;font-size:.9375rem}
  .dock-toggle{display:flex}
  .dock-actions .btn-sm{padding:6px 14px;font-size:.8125rem}
  .category-hero{min-height:auto;padding:7.5rem 0 3.5rem}
  .media-row,.media-row.flip{flex-direction:column}
  .media-row .media-img{width:100%}
  .media-row .media-text{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:2.5rem}
  .footer-bottom{flex-direction:column;text-align:center}
  .step-arrow{transform:rotate(90deg);padding:.5rem}
}
@media(max-width:640px){
  .dock-search{display:none}
  .search-box{display:none}
  .dock-actions .btn-sm{padding:6px 10px;font-size:.75rem}
  .section{padding:3.5rem 0}
  .category-hero h1{font-size:2.125rem}
  .category-hero .lead{font-size:1rem}
  .hero-cta .btn{width:100%;justify-content:center}
  .teaser-card{height:auto}
  .data-wall{padding:2rem 1rem}
  .data-item .number{font-size:2rem}
  .cta-banner{padding:1.75rem;text-align:center;justify-content:center}
  .cta-banner .btn{width:100%;justify-content:center}
  .float-cta{bottom:18px;right:18px}
  .float-cta .btn{padding:0;width:56px;height:56px;justify-content:center}
  .float-cta .btn span{display:none}
}