/* roulang page: index */
:root{
  --lime:#C6F24E;
  --lime-dark:#AEDC38;
  --coral:#FF5A3C;
  --ink:#14161A;
  --ink-2:#1B1E22;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#E6E4DD;
  --muted:#6B6F76;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 8px rgba(20,22,26,.06);
  --shadow-md:0 12px 28px rgba(20,22,26,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,dl,dd,figure{margin:0;}
:focus-visible{outline:3px solid rgba(198,242,78,.95);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 8px 24px rgba(20,22,26,.08);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:22px;height:76px;}
.brand{display:flex;align-items:baseline;gap:10px;flex:none;}
.brand-mark{font-size:22px;font-weight:800;letter-spacing:.5px;line-height:1;}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:1px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;color:#2b2e33;padding:8px 0;transition:color .2s ease;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{font-weight:700;}
.header-actions{display:flex;align-items:center;gap:12px;}
.burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:border-color .2s;}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s;}
.burger:hover{border-color:var(--lime);}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.drawer{
  position:fixed;top:76px;right:0;bottom:0;width:min(320px,84vw);
  background:#fff;border-left:1px solid var(--line);
  padding:22px;display:flex;flex-direction:column;gap:4px;
  transform:translateX(105%);transition:transform .3s ease;
  z-index:55;overflow-y:auto;box-shadow:-16px 0 40px rgba(20,22,26,.12);
}
.drawer.is-open{transform:translateX(0);}
.drawer .nav-link{font-size:16px;padding:14px 0;border-bottom:1px solid var(--line);}
.drawer .nav-link::after{display:none;}
.drawer .btn{margin-top:18px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px) scale(1.02);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- section frames ---------- */
.section{padding:88px 0;}
.section--tint{background:var(--paper);}
.section--white{background:#fff;}
.section--dark{background:var(--ink);color:#fff;}
.section-head{max-width:740px;margin-bottom:42px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.32;font-weight:700;letter-spacing:-.3px;}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.section--dark .section-head p{color:rgba(255,255,255,.72);}
.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:42px;}
.section-top .section-head{margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;color:#33430f;
  background:rgba(198,242,78,.32);border:1px solid rgba(198,242,78,.9);
  padding:6px 14px;border-radius:999px;
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:66px 0 78px;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 340px at 80% 10%,rgba(198,242,78,.30),transparent 70%),
             radial-gradient(480px 300px at 4% 90%,rgba(255,90,60,.10),transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:52px;align-items:center;}
.hero h1{font-size:clamp(28px,4vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.6px;margin:20px 0 18px;}
.hero-lead{font-size:17px;color:var(--muted);max-width:33em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 34px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;border-top:1px solid var(--line);padding-top:24px;}
.hero-stats dt{font-size:13px;color:var(--muted);line-height:1.5;}
.hero-stats dd{font-size:24px;font-weight:800;line-height:1.25;letter-spacing:-.5px;}
.hero-figure{
  position:relative;aspect-ratio:4/5;border-radius:var(--radius-xl);overflow:hidden;background:#22252A;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 46px),calc(100% - 46px) 100%,0 100%);
  box-shadow:var(--shadow-md);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.figure-badge{
  position:absolute;top:18px;left:18px;z-index:2;
  background:var(--ink);color:var(--lime);font-size:13px;font-weight:700;
  padding:8px 15px;border-radius:999px;letter-spacing:.5px;
}

/* ---------- filter strip ---------- */
.filter-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;}
.filter-inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:space-between;}
.filter-label{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:1px;margin-right:4px;}
.chips{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:9px 18px;font-size:14px;color:#3a3d43;
  transition:border-color .2s ease,background .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--ink);transform:translateY(-1px);}
.chip.is-active{border-color:var(--lime);background:rgba(198,242,78,.20);color:#22300b;font-weight:700;}
.select-wrap{display:flex;align-items:center;gap:10px;}
.select-wrap select{
  height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;
  padding:0 16px;font-size:14px;color:#3a3d43;min-width:180px;
  transition:border-color .2s,box-shadow .2s;
}
.select-wrap select:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,242,78,.45);}

/* ---------- run cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.run-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.run-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--lime);}
.run-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#EFEEE8;}
.run-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.run-card:hover .thumb img{transform:scale(1.05);}
.run-body{padding:18px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-tags{display:flex;gap:8px;flex-wrap:wrap;}
.tag{font-size:12px;font-weight:700;padding:4px 11px;border-radius:999px;background:rgba(198,242,78,.30);color:#33430f;}
.tag--coral{background:rgba(255,90,60,.14);color:#c4361c;}
.tag--line{background:#fff;border:1px solid var(--line);color:#4a4e55;}
.run-meta{font-size:13px;color:var(--muted);line-height:1.6;}
.run-meta strong{display:block;font-size:16px;font-weight:700;color:var(--ink);line-height:1.5;}
.run-foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#C6F24E,#8FD12F);flex:none;}
.progress{height:6px;border-radius:999px;background:#EFEEE8;overflow:hidden;flex:1;}
.progress span{display:block;height:100%;background:var(--lime);border-radius:999px;}
.run-link{align-self:flex-end;font-size:14px;font-weight:700;color:var(--ink);transition:color .2s;}
.run-link:hover{text-decoration:underline;text-underline-offset:4px;color:#3f520f;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;transition:transform .25s,box-shadow .25s,border-color .25s;}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--lime);}
.step-num{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--lime);color:#22300b;font-weight:800;font-size:14px;}
.step-card h3{font-size:18px;font-weight:700;margin:16px 0 8px;}
.step-card p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- topic matrix ---------- */
.matrix{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.matrix-item{
  display:flex;flex-direction:column;justify-content:space-between;gap:14px;
  padding:24px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);
  transition:transform .25s,box-shadow .25s,border-color .25s;min-height:118px;
}
.matrix-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--lime);}
.matrix-item h3{font-size:17px;font-weight:700;line-height:1.45;}
.matrix-item p{font-size:13px;color:var(--muted);line-height:1.7;}
.matrix-item .tag{align-self:flex-start;}
.matrix-item:nth-child(1){grid-column:span 3;grid-row:span 2;min-height:280px;background:var(--ink);border-color:var(--ink);color:#fff;justify-content:flex-end;}
.matrix-item:nth-child(1) h3{font-size:clamp(20px,2.2vw,26px);color:#fff;}
.matrix-item:nth-child(1) p{color:rgba(255,255,255,.72);font-size:14px;}
.matrix-item:nth-child(1) .tag{background:var(--lime);color:#22300b;}
.matrix-item:nth-child(2),.matrix-item:nth-child(3){grid-column:span 3;min-height:126px;}
.matrix-item:nth-child(4),.matrix-item:nth-child(5),.matrix-item:nth-child(6){grid-column:span 2;}
.matrix-item:nth-child(7),.matrix-item:nth-child(8){grid-column:span 3;}

/* ---------- route scroll ---------- */
.route-scroll{
  display:flex;gap:20px;overflow-x:auto;padding:0 0 20px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.route-card{
  flex:0 0 320px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.route-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--lime);}
.route-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#EFEEE8;}
.route-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.route-card:hover .thumb img{transform:scale(1.06);}
.route-body{padding:18px;display:flex;flex-direction:column;gap:10px;}
.route-body h3{font-size:17px;font-weight:700;line-height:1.5;}
.route-facts{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);}
.route-facts b{color:var(--ink);font-weight:700;}
.stars{display:inline-flex;gap:3px;color:var(--coral);font-size:13px;letter-spacing:1px;}
.route-scroll::-webkit-scrollbar{height:8px;}
.route-scroll::-webkit-scrollbar-track{background:#EFEEE8;border-radius:999px;}
.route-scroll::-webkit-scrollbar-thumb{background:var(--lime);border-radius:999px;}
.route-scroll::-webkit-scrollbar-thumb:hover{background:var(--lime-dark);}

/* ---------- pace ---------- */
.pace-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;display:flex;flex-direction:column;gap:14px;transition:transform .25s,box-shadow .25s,border-color .25s;}
.pace-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--lime);}
.pace-value{font-size:40px;font-weight:800;letter-spacing:-1.5px;line-height:1.1;}
.pace-card h3{font-size:17px;font-weight:700;}
.pace-card p{font-size:14px;color:var(--muted);line-height:1.75;}
.pace-card .btn{margin-top:auto;}

/* ---------- beginner ---------- */
.split{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:48px;align-items:center;}
.media-box{border-radius:var(--radius-xl);overflow:hidden;aspect-ratio:3/2;background:#EFEEE8;box-shadow:var(--shadow-sm);}
.media-box img{width:100%;height:100%;object-fit:cover;}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.check-list li{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;}
.check-mark{flex:none;width:24px;height:24px;border-radius:50%;background:var(--lime);display:grid;place-items:center;color:#22300b;font-size:13px;font-weight:800;margin-top:3px;}
.check-list strong{display:block;font-size:15px;font-weight:700;}
.check-list span{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- cms news ---------- */
.news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:start;}
.news-lead{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s;}
.news-lead:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--lime);}
.news-lead .thumb{aspect-ratio:16/9;overflow:hidden;background:#EFEEE8;}
.news-lead .thumb img{width:100%;height:100%;object-fit:cover;}
.news-lead-body{padding:22px;display:flex;flex-direction:column;gap:12px;}
.news-lead-body h3{font-size:20px;font-weight:700;line-height:1.5;}
.news-lead-body p{font-size:14px;color:var(--muted);line-height:1.8;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted);}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px;transition:transform .25s,box-shadow .25s,border-color .25s;}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:var(--lime);}
.news-thumb{width:96px;height:96px;flex:none;border-radius:var(--radius-sm);overflow:hidden;background:#EFEEE8;display:grid;place-items:center;font-weight:800;font-size:22px;color:#7a8a3a;}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-item-body{display:flex;flex-direction:column;gap:6px;min-width:0;}
.news-item-body h3{font-size:15px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item-body p{font-size:13px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-empty{
  grid-column:1 / -1;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:52px 24px;text-align:center;color:var(--muted);
}
.news-empty .dotmark{display:block;width:56px;height:56px;border-radius:50%;background:rgba(198,242,78,.35);margin:0 auto 16px;}
.news-more{display:flex;justify-content:center;margin-top:36px;}

/* ---------- topics ---------- */
.topic-wall{display:flex;flex-wrap:wrap;gap:14px;}
.topic-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:12px 22px;font-size:15px;font-weight:600;color:#2b2e33;
  transition:border-color .2s,background .2s,transform .2s,color .2s;
}
.topic-pill:hover{border-color:var(--lime);background:rgba(198,242,78,.16);transform:translateY(-2px);color:#22300b;}
.topic-pill i{font-style:normal;color:var(--muted);font-weight:600;}

/* ---------- partner ---------- */
.partner{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;align-items:center;}
.partner-media{border-radius:var(--radius-xl);overflow:hidden;aspect-ratio:3/2;background:#EFEEE8;}
.partner-media img{width:100%;height:100%;object-fit:cover;}
.partner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.partner-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:26px;}
.partner-points div{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;}
.partner-points strong{display:block;font-size:15px;font-weight:700;}
.partner-points span{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- rules ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.rule-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;position:relative;transition:transform .25s,box-shadow .25s,border-color .25s;}
.rule-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--lime);}
.rule-index{font-size:34px;font-weight:800;color:rgba(20,22,26,.10);line-height:1;letter-spacing:-1px;}
.rule-card h3{font-size:16px;font-weight:700;margin:8px 0 10px;}
.rule-card p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- reviews ---------- */
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;display:flex;flex-direction:column;gap:14px;transition:transform .25s,box-shadow .25s;}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.review-head{display:flex;align-items:center;gap:12px;}
.review-head strong{font-size:15px;font-weight:700;}
.review-head span{font-size:13px;color:var(--muted);}
.review-card p{font-size:15px;color:#3a3d43;line-height:1.85;}

/* ---------- faq ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:rgba(198,242,78,.10);}
.faq-icon{position:relative;flex:none;width:22px;height:22px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .3s ease,background .3s;}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);}
.faq-item.is-open .faq-icon::before{background:#4d6420;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{padding:0 26px 24px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- cta ---------- */
.cta-band{background:var(--ink-2);border-radius:32px;padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;width:380px;height:380px;right:-120px;bottom:-200px;border-radius:50%;background:radial-gradient(circle,rgba(198,242,78,.28),transparent 68%);}
.cta-band h2{font-size:clamp(22px,2.8vw,34px);font-weight:800;line-height:1.3;color:#fff;position:relative;z-index:1;}
.cta-band p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.68);max-width:34em;position:relative;z-index:1;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-note{margin-top:28px;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-2);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand-mark{color:#fff;font-size:20px;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;max-width:24em;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:1px;margin-bottom:16px;}
.footer-col a,.footer-col li{display:block;font-size:14px;color:rgba(255,255,255,.68);line-height:1.8;transition:color .2s;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .container{max-width:1080px;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .burger{display:flex;}
  .section{padding:64px 0;}
  .hero{padding:48px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{aspect-ratio:16/10;max-width:560px;clip-path:none;border-radius:var(--radius-xl);}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .pace-grid,.rule-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .matrix{grid-template-columns:repeat(2,1fr);}
  .matrix-item,.matrix-item:nth-child(1),.matrix-item:nth-child(2),.matrix-item:nth-child(3),.matrix-item:nth-child(4),.matrix-item:nth-child(5),.matrix-item:nth-child(6),.matrix-item:nth-child(7),.matrix-item:nth-child(8){grid-column:span 1;grid-row:auto;min-height:118px;}
  .matrix-item:nth-child(1){grid-column:span 2;min-height:200px;}
  .split,.partner,.news-layout{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:40px;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .container{padding:0 16px;}
  .header-inner{height:66px;gap:12px;}
  .brand-mark{font-size:19px;}
  .brand-sub{display:none;}
  .drawer{top:66px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .grid-4,.grid-3,.steps,.pace-grid,.rule-grid,.partner-points{grid-template-columns:1fr;}
  .matrix{grid-template-columns:1fr;}
  .matrix-item:nth-child(1){grid-column:span 1;}
  .route-scroll{scroll-snap-type:x mandatory;}
  .route-card{flex:0 0 82%;}
  .filter-inner{gap:14px;}
  .select-wrap,.select-wrap select{width:100%;}
  .news-lead-body h3{font-size:18px;}
  .cta-band{padding:32px 24px;border-radius:24px;}
  .cta-actions .btn{width:100%;}
  .faq-q{padding:18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  body{font-size:15px;}
  .hero h1{font-size:26px;}
  .hero-actions .btn,.partner-actions .btn{width:100%;}
  .hero-stats dd{font-size:20px;}
  .run-card .thumb{aspect-ratio:16/9;}
  .news-thumb{width:72px;height:72px;font-size:18px;}
  .topic-pill{font-size:14px;padding:10px 18px;}
  .btn{padding:13px 22px;}
}

/* roulang page: article */
:root{
  --lime:#C6F24E;
  --lime-dark:#AEDC38;
  --coral:#FF5A3C;
  --ink:#14161A;
  --ink-2:#1B1E22;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#E6E4DD;
  --muted:#6B6F76;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 8px rgba(20,22,26,.06);
  --shadow-md:0 12px 28px rgba(20,22,26,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--ink);}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:3px solid rgba(198,242,78,.95);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 8px 24px rgba(20,22,26,.08);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:22px;height:76px;}
.brand{display:flex;align-items:baseline;gap:10px;flex:none;}
.brand-mark{font-size:22px;font-weight:800;letter-spacing:.5px;line-height:1;}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:1px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;color:#2b2e33;padding:8px 0;transition:color .2s ease;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{font-weight:700;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  position:fixed;top:76px;right:0;bottom:0;width:min(320px,84vw);
  background:#fff;border-left:1px solid var(--line);
  padding:22px;display:flex;flex-direction:column;gap:4px;
  transform:translateX(105%);transition:transform .3s ease;
  z-index:55;overflow-y:auto;box-shadow:-16px 0 40px rgba(20,22,26,.12);
}
.drawer.is-open{transform:translateX(0);}
.drawer .nav-link{font-size:16px;padding:14px 0;border-bottom:1px solid var(--line);}
.drawer .nav-link::after{display:none;}
.drawer .btn{margin-top:18px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px) scale(1.02);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- section frames ---------- */
.section{padding:88px 0;}
.section--tint{background:var(--paper);}
.section--white{background:#fff;}
.section--dark{background:var(--ink);color:#fff;}
.section-head{max-width:740px;margin-bottom:42px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.32;font-weight:700;letter-spacing:-.3px;}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.section--dark .section-head p{color:rgba(255,255,255,.72);}
.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:42px;}
.section-top .section-head{margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;color:#33430f;
  background:rgba(198,242,78,.32);border:1px solid rgba(198,242,78,.9);
  padding:6px 14px;border-radius:999px;
}
.chips{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:9px 18px;font-size:14px;color:#3a3d43;
  transition:border-color .2s ease,background .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--ink);transform:translateY(-1px);}

/* ---------- article page ---------- */
.article-hero{position:relative;overflow:hidden;background:var(--paper);padding:34px 0 46px;}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(520px 260px at 88% -10%,rgba(198,242,78,.28),transparent 72%),
             radial-gradient(420px 240px at 0% 100%,rgba(255,90,60,.08),transparent 70%);
}
.article-hero .container{position:relative;}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:#B9B7AF;}
.breadcrumb .current{color:#3a3d43;}
.article-title{
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.28;font-weight:800;letter-spacing:-.5px;
  max-width:900px;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:22px;font-size:13.5px;color:var(--muted);}
.badge-cat{
  display:inline-flex;align-items:center;
  background:var(--ink);color:var(--lime);
  font-size:12.5px;font-weight:700;letter-spacing:.6px;
  padding:6px 14px;border-radius:999px;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C9C6BD;}
.article-lead{
  margin-top:20px;max-width:820px;font-size:16.5px;color:#4C5157;line-height:1.9;
  border-left:3px solid var(--lime);padding-left:16px;
}

/* layout */
.article-wrap{padding:56px 0 0;background:var(--paper);}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 268px;
  gap:56px;justify-content:center;align-items:start;
}
.article-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);
  box-shadow:var(--shadow-sm);padding:46px 46px 40px;
}
.article-body{font-size:16.5px;line-height:1.95;color:#22252A;}
.article-body>*:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;
  margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--lime);
  scroll-margin-top:110px;letter-spacing:-.2px;
}
.article-body h3{
  font-size:18px;font-weight:600;line-height:1.5;margin:1.7em 0 .6em;
  scroll-margin-top:110px;
}
.article-body h4{font-size:16.5px;font-weight:700;margin:1.4em 0 .5em;}
.article-body p{margin:0 0 1.15em;}
.article-body a{color:#3E5209;text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--ink);}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.25em;}
.article-body ul>li{list-style:disc;margin:.42em 0;}
.article-body ol>li{list-style:decimal;margin:.42em 0;}
.article-body li::marker{color:#9DB53F;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;background:#FBFAF5;
  border-left:4px solid var(--coral);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#3D4249;font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.6em 0;width:100%;height:auto;object-fit:cover;}
.article-body figure{margin:1.6em 0;}
.article-body figure img{margin:0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.6;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-body strong{font-weight:700;}
.article-body code{
  background:#F1F0E9;color:#2F3A0C;border-radius:6px;
  padding:2px 7px;font-size:14px;
}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:#FBFAF5;font-weight:700;}

/* sidebar */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:100px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:22px;
}
.side-card h3{font-size:14px;font-weight:800;letter-spacing:.6px;color:#2b2e33;margin-bottom:14px;}
.side-card .side-sub{font-size:12.5px;color:var(--muted);margin-top:-8px;margin-bottom:14px;line-height:1.6;}
.toc-list li{margin:0;}
.toc-list a{
  display:block;font-size:13.5px;line-height:1.65;color:#4C5157;
  padding:7px 0 7px 12px;border-left:2px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.toc-list a:hover{color:var(--ink);border-left-color:var(--lime);background:rgba(198,242,78,.10);}
.side-card--dark{background:var(--ink);border-color:var(--ink);color:#fff;}
.side-card--dark h3{color:#fff;}
.side-card--dark p{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.74);}
.side-card--dark .btn{margin-top:16px;}
.side-tips li{position:relative;padding-left:20px;font-size:13.5px;line-height:1.7;color:#4C5157;margin-bottom:10px;}
.side-tips li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 3px rgba(198,242,78,.24);
}
.side-tips li:last-child{margin-bottom:0;}

/* tags & notice */
.article-tags{padding:36px 0 0;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;align-items:center;
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:8px 16px;font-size:13.5px;color:#3a3d43;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.tag-pill:hover{border-color:var(--lime);background:rgba(198,242,78,.16);transform:translateY(-1px);}
.notice{
  margin-top:34px;background:#EFEEE7;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:22px 24px;
}
.notice h3{font-size:14px;font-weight:800;letter-spacing:.4px;margin-bottom:8px;color:#2b2e33;}
.notice p{font-size:13px;line-height:1.8;color:var(--muted);}
.notice p+p{margin-top:6px;}

/* related */
.related-section{background:#fff;}
.card-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--lime);}
.post-thumb{position:relative;aspect-ratio:16/10;background:#22252A;overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-title{
  font-size:16.5px;font-weight:700;line-height:1.55;letter-spacing:-.1px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-excerpt{
  margin-top:10px;font-size:13.5px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);
}
.post-foot .cat-tag{
  display:inline-flex;background:rgba(198,242,78,.26);color:#3E5209;
  border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700;
}
.empty-note{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius-lg);
  background:#FBFAF5;padding:44px 24px;
}
.empty-note .empty-icon{
  width:56px;height:56px;border-radius:16px;background:rgba(198,242,78,.28);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;color:#3E5209;
}
.empty-note p{font-size:14.5px;color:var(--muted);}

/* prev next */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:8px;}
.pager a{
  display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pager a:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--lime);}
.pager .arrow{
  flex:none;width:40px;height:40px;border-radius:12px;background:rgba(198,242,78,.26);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;color:#3E5209;
}
.pager .pager-text{min-width:0;}
.pager .pager-label{font-size:12px;letter-spacing:1px;color:var(--muted);}
.pager .pager-title{font-size:15px;font-weight:700;line-height:1.5;margin-top:2px;}
.pager a.next{text-align:right;flex-direction:row-reverse;}
.pager a.next .pager-text{text-align:right;}

/* back bar */
.back-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px 24px;box-shadow:var(--shadow-sm);
}
.back-bar p{font-size:14.5px;color:var(--muted);}

/* CTA */
.cta-band{background:var(--ink);color:#fff;border-radius:var(--radius-xl);padding:52px 48px;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.34),transparent 68%);
}
.cta-band .cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:800;letter-spacing:-.4px;max-width:16em;}
.cta-band p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.72);max-width:32em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* article empty */
.article-empty{text-align:center;padding:40px 10px;}
.article-empty h2{font-size:24px;font-weight:800;margin-bottom:12px;}
.article-empty p{color:var(--muted);margin-bottom:24px;}

/* footer */
.site-footer{background:var(--ink-2);color:#fff;padding:64px 0 28px;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand-mark{font-size:20px;font-weight:800;color:#fff;}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:26em;}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:1px;color:var(--lime);margin-bottom:16px;}
.footer-col a,.footer-col span{display:block;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.66);margin-bottom:8px;transition:color .2s ease;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.48);
}

/* responsive */
@media (max-width:1280px){
  .container{max-width:1120px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:40px;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:64px 0;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:30px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side .side-card{flex:1 1 260px;}
  .card-grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .article-panel{padding:34px 30px 30px;}
}
@media (max-width:768px){
  .header-inner{height:68px;}
  .drawer{top:68px;}
  .brand-mark{font-size:19px;}
  .brand-sub{display:none;}
  .section{padding:48px 0;}
  .article-hero{padding:24px 0 34px;}
  .article-panel{padding:26px 22px 24px;border-radius:var(--radius-lg);}
  .article-body{font-size:16px;line-height:1.9;}
  .card-grid-3{grid-template-columns:minmax(0,1fr);}
  .pager{grid-template-columns:minmax(0,1fr);}
  .pager a.next{flex-direction:row;text-align:left;}
  .pager a.next .pager-text{text-align:left;}
  .cta-band{padding:36px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .site-footer{padding:48px 0 24px;margin-top:64px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .article-side{flex-direction:column;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .article-title{font-size:24px;}
  .article-lead{font-size:15px;}
  .btn{width:100%;}
  .header-actions .btn{width:auto;padding:9px 14px;font-size:13px;}
  .article-meta{font-size:12.5px;gap:10px;}
  .tag-pill{font-size:12.5px;padding:7px 13px;}
  .back-bar{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --lime:#C6F24E;
  --lime-dark:#AEDC38;
  --coral:#FF5A3C;
  --ink:#14161A;
  --ink-2:#1B1E22;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#E6E4DD;
  --muted:#6B6F76;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 8px rgba(20,22,26,.06);
  --shadow-md:0 12px 28px rgba(20,22,26,.10);
  --container:1200px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
a:hover{text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,dl,dd,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(198,242,78,.95);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 8px 24px rgba(20,22,26,.08);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:22px;height:76px;}
.brand{display:flex;align-items:baseline;gap:10px;flex:none;}
.brand-mark{font-size:22px;font-weight:800;letter-spacing:.5px;line-height:1;}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:1px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;color:#2b2e33;padding:8px 0;transition:color .2s ease;white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{font-weight:700;}
.nav-link:hover{color:var(--ink);}
.header-actions{display:flex;align-items:center;gap:12px;}
.hamburger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center;}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
.drawer{
  position:fixed;top:76px;right:0;bottom:0;width:min(320px,84vw);
  background:#fff;border-left:1px solid var(--line);
  padding:22px;display:flex;flex-direction:column;gap:4px;
  transform:translateX(105%);transition:transform .3s ease;
  z-index:55;overflow-y:auto;box-shadow:-16px 0 40px rgba(20,22,26,.12);
}
.drawer.is-open{transform:translateX(0);}
.drawer .nav-link{font-size:16px;padding:14px 0;border-bottom:1px solid var(--line);}
.drawer .nav-link::after{display:none;}
.drawer .btn{margin-top:18px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px) scale(1.02);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- section frames ---------- */
.section{padding:88px 0;}
.section--tint{background:var(--paper);}
.section--white{background:#fff;}
.section--dark{background:var(--ink);color:#fff;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.32;font-weight:700;letter-spacing:-.3px;}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.section--dark .section-head p{color:rgba(255,255,255,.72);}
.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.section-top .section-head{margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;color:#33430f;
  background:rgba(198,242,78,.32);border:1px solid rgba(198,242,78,.9);
  padding:6px 14px;border-radius:999px;
}

/* ---------- chips / select ---------- */
.chips{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:9px 18px;font-size:14px;color:#3a3d43;
  transition:border-color .2s ease,background .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--ink);transform:translateY(-1px);}
.chip.is-active{border-color:var(--lime);background:rgba(198,242,78,.20);color:#22300b;font-weight:700;}
.select-wrap{display:flex;align-items:center;gap:10px;}
.select-wrap select{
  height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;color:var(--ink);font-size:14px;padding:0 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.select-wrap select:hover{border-color:var(--ink);}
.select-wrap select:focus{border-color:var(--lime-dark);box-shadow:0 0 0 3px rgba(198,242,78,.35);outline:none;}

/* ---------- category head ---------- */
.cat-head{padding:40px 0 56px;background:var(--paper);border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap;}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:#b9b7ae;}
.cat-head-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);gap:48px;align-items:start;margin-top:22px;}
.cat-head h1{font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.22;letter-spacing:-.6px;margin:0 0 16px;}
.cat-intro{color:#3c3f45;font-size:16px;line-height:1.95;max-width:38em;}
.cat-badges{display:grid;gap:12px;}
.cat-badge{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px 20px;box-shadow:var(--shadow-sm);}
.cat-badge dt{font-size:13px;color:var(--muted);line-height:1.6;}
.cat-badge dd{font-size:24px;font-weight:800;letter-spacing:-.6px;line-height:1.3;margin:2px 0 0;}
.cat-badge dd em{font-style:normal;font-size:13px;font-weight:600;color:var(--muted);margin-left:4px;}

/* ---------- filter bar ---------- */
.filter-bar{
  position:sticky;top:76px;z-index:40;
  background:var(--paper);border-bottom:1px solid var(--line);
  padding:14px 0;transition:box-shadow .25s ease,background .25s ease;
}
.filter-bar.is-stuck{background:#fff;box-shadow:0 10px 24px rgba(20,22,26,.09);}
.filter-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.filter-inner .chips{flex:1 1 auto;}

/* ---------- run cards ---------- */
.run-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.run-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.run-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--lime);}
.run-thumb{flex:none;width:92px;height:92px;border-radius:var(--radius-sm);overflow:hidden;background:#e9e7e0;}
.run-thumb img{width:100%;height:100%;object-fit:cover;}
.run-body{min-width:0;flex:1;}
.run-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px;}
.tag{
  font-size:12px;font-weight:700;line-height:1.6;padding:4px 11px;border-radius:999px;
  background:rgba(198,242,78,.28);color:#3a4a10;border:1px solid rgba(198,242,78,.85);
}
.tag--coral{background:rgba(255,90,60,.12);color:#a6361f;border-color:rgba(255,90,60,.42);}
.tag--plain{background:#f1f0ea;color:#4b4f56;border-color:var(--line);}
.run-body h3{font-size:17px;font-weight:700;line-height:1.5;margin:0 0 6px;}
.run-meta{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:13px;color:var(--muted);line-height:1.7;}
.run-meta b{color:var(--ink);font-weight:700;}
.progress{margin-top:12px;}
.progress-line{height:6px;border-radius:999px;background:#ecebe5;overflow:hidden;}
.progress-line i{display:block;height:100%;background:var(--lime);border-radius:999px;transition:width .4s ease;}
.progress-text{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);margin-top:6px;}
.list-foot{display:flex;justify-content:center;margin-top:36px;}

/* ---------- subtopic pills ---------- */
.pill-row{display:flex;gap:12px;flex-wrap:wrap;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(198,242,78,.18);border:1px solid rgba(198,242,78,.85);
  border-radius:999px;padding:10px 20px;font-size:14px;font-weight:600;color:#2f3d0d;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.pill:hover{background:var(--lime);transform:translateY(-2px);box-shadow:var(--shadow-sm);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.step-num{font-size:42px;font-weight:800;line-height:1;color:var(--lime);-webkit-text-stroke:1.5px var(--ink);letter-spacing:-1px;}
.step h3{font-size:18px;font-weight:700;margin:14px 0 8px;}
.step p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ---------- cms posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.post-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--lime);}
.post-thumb{
  flex:none;width:96px;height:96px;border-radius:var(--radius-sm);
  background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-size:32px;font-weight:800;letter-spacing:-1px;
}
.post-body{min-width:0;flex:1;}
.post-body h3{font-size:16px;font-weight:700;line-height:1.5;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a:hover{text-decoration:underline;text-underline-offset:3px;}
.post-body p{font-size:13px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px;font-size:12px;color:var(--muted);}
.post-meta .cat{font-weight:700;color:#3a4a10;background:rgba(198,242,78,.28);border:1px solid rgba(198,242,78,.85);padding:2px 10px;border-radius:999px;}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:40px 24px;text-align:center;color:var(--muted);font-size:15px;
}
.empty-state .empty-dot{display:block;width:44px;height:44px;border-radius:50%;background:rgba(198,242,78,.35);border:1px solid rgba(198,242,78,.9);margin:0 auto 14px;}

/* ---------- safety ---------- */
.safety-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:44px;align-items:start;}
.safety-list{display:grid;gap:14px;}
.safety-list li{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:16px 20px;font-size:15px;line-height:1.8;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.safety-list li:hover{border-color:var(--lime);box-shadow:var(--shadow-sm);}
.safety-list .idx{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;margin-top:3px;
}

/* ---------- faq ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:6px 26px;box-shadow:var(--shadow-sm);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:700;line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:#3a4a10;}
.faq-q .ic{
  flex:none;width:26px;height:26px;position:relative;border-radius:50%;
  border:1px solid var(--line);background:var(--paper);transition:transform .3s ease,background .3s ease;
}
.faq-q .ic::before,.faq-q .ic::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink);transform:translate(-50%,-50%);}
.faq-q .ic::before{width:11px;height:2px;}
.faq-q .ic::after{width:2px;height:11px;}
.faq-item.is-open .faq-q .ic{transform:rotate(45deg);background:var(--lime);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 0 22px;font-size:15px;color:var(--muted);line-height:1.9;max-width:56em;}

/* ---------- cta light ---------- */
.cta-light{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:48px 32px;text-align:center;box-shadow:var(--shadow-sm);
}
.cta-light h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;}
.cta-light p{margin:14px auto 26px;color:var(--muted);font-size:15px;max-width:46em;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-2);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-mark{color:#fff;font-size:20px;font-weight:800;letter-spacing:.5px;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:26em;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.5px;margin-bottom:16px;}
.footer-col a,.footer-col span{display:block;font-size:14px;line-height:1.7;padding:5px 0;color:rgba(255,255,255,.66);transition:color .2s ease;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .container{max-width:1100px;}
  .cat-head-grid{gap:36px;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .hamburger{display:inline-flex;}
  .header-actions{margin-left:auto;}
  .cat-head-grid{grid-template-columns:1fr;gap:28px;}
  .cat-badges{grid-template-columns:repeat(3,minmax(0,1fr));}
  .steps{grid-template-columns:1fr;}
  .safety-grid{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .header-inner{height:68px;gap:12px;}
  .drawer{top:68px;}
  .filter-bar{top:68px;padding:10px 0;}
  .run-grid,.post-grid{grid-template-columns:1fr;}
  .cat-badges{grid-template-columns:1fr;}
  .brand-sub{display:none;}
  .section{padding:48px 0;}
  .cat-head{padding:26px 0 40px;}
  .faq-list{padding:4px 18px;}
  .cta-light{padding:34px 20px;}
  .filter-inner{gap:10px;}
  .filter-inner .chips{gap:8px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;}
  .filter-inner .chips::-webkit-scrollbar{height:4px;}
  .filter-inner .chips::-webkit-scrollbar-thumb{background:#d7d4c9;border-radius:99px;}
  .chip{white-space:nowrap;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  body{font-size:15px;}
  .run-card{flex-direction:column;gap:14px;}
  .run-thumb{width:100%;height:150px;}
  .post-thumb{width:76px;height:76px;font-size:26px;}
  .btn{width:100%;}
  .header-actions .btn-sm{width:auto;}
  .footer-bottom{flex-direction:column;gap:8px;}
}