/* roulang page: index */
:root{
  --ink:#0F2A22;
  --ink-2:#17493B;
  --lime:#B7F04A;
  --lime-deep:#8FCB2A;
  --orange:#FF6B35;
  --orange-deep:#E85C28;
  --paper:#FAF9F5;
  --card:#FFFFFF;
  --text:#1A1D1B;
  --muted:#6B7370;
  --line:#E3E2DC;
  --soft:#F1F0EA;
  --ok:#2E9E6B;
  --info:#3E7CB1;
  --warn:#E9A13B;
  --err:#D9534F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-chip:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(15,42,34,.06);
  --sh-2:0 10px 28px rgba(15,42,34,.10);
  --num:"Barlow","SFMono-Regular",ui-monospace,Menlo,Consolas,"Courier New",monospace;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Segoe UI,Roboto,sans-serif;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
::selection{background:var(--lime);color:var(--ink);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--num);font-weight:600;letter-spacing:.02em;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,249,245,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
  background:rgba(250,249,245,.98);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:76px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(140deg,var(--ink) 0%,var(--ink-2) 100%);
  display:flex;align-items:center;justify-content:center;
  color:var(--lime);font-size:16px;
  box-shadow:inset 0 0 0 1px rgba(183,240,74,.20);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.12em;}
.nav-chips{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;min-width:0;
  overflow-x:auto;scrollbar-width:none;
  padding:4px 0;
}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{
  flex-shrink:0;
  padding:8px 16px;border-radius:var(--r-chip);
  border:1px solid var(--line);
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:all .2s ease;
}
.nav-chip:hover{border-color:var(--ink);color:var(--ink);}
.nav-chip.is-active{
  background:var(--lime);border-color:var(--lime);
  color:var(--ink);font-weight:600;
}
.header-cta{flex-shrink:0;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);color:var(--ink);font-size:18px;
  align-items:center;justify-content:center;flex-shrink:0;
}
.menu-toggle:hover{border-color:var(--ink);}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:all .2s ease;text-align:center;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,107,53,.24);}
.btn-primary:hover{background:var(--orange-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,107,53,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(15,42,34,.35);}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:var(--lime-deep);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;height:auto;padding:2px 0;
  color:var(--ink);font-weight:600;font-size:15px;
  border-bottom:2px solid var(--lime);border-radius:0;
}
.btn-text:hover{color:var(--lime-deep);font-weight:700;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none!important;}

/* ============ Mobile drawer ============ */
.mobile-drawer{
  position:fixed;left:0;right:0;top:64px;bottom:0;z-index:55;
  background:var(--paper);
  padding:24px 20px 32px;
  display:flex;flex-direction:column;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:none;}
.mobile-drawer .nav-chip{padding:14px 18px;border-radius:12px;font-size:15px;}
.mobile-drawer .btn{margin-top:12px;width:100%;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 88px;
  background:
    radial-gradient(circle at 88% 12%,rgba(183,240,74,.14) 0%,rgba(183,240,74,0) 46%),
    var(--paper);
}
.hero::after{
  content:"";position:absolute;right:-12%;bottom:-60px;width:72%;height:240px;
  background:repeating-linear-gradient(45deg,rgba(15,42,34,.055) 0 10px,transparent 10px 30px);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.05fr 1fr;
  gap:56px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-chip);
  background:var(--soft);border:1px solid var(--line);
  font-size:13px;color:var(--ink);font-weight:600;
}
.eyebrow i{color:var(--lime-deep);}
.hero h1{
  margin-top:20px;
  font-size:40px;line-height:1.28;font-weight:800;
  letter-spacing:-.02em;color:var(--ink);
}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap;}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;
  background:rgba(183,240,74,.55);border-radius:3px;z-index:-1;
}
.hero-sub{
  margin-top:18px;font-size:18px;color:var(--muted);max-width:30em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.trust-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:28px;padding-top:20px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);
}
.trust-bar .t-item{display:inline-flex;align-items:center;gap:6px;}
.trust-bar .t-item i{color:var(--ink);opacity:.7;}
.badge-plat{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);
  background:#fff;border:1px solid var(--line);
  font-size:12px;color:var(--ink);
}
.hero-media{
  position:relative;border-radius:20px;overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--sh-2);
  background:var(--ink);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,42,34,.34) 0%,rgba(15,42,34,.62) 100%);
}
.hero-float{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;
  background:rgba(255,255,255,.96);
  border-radius:14px;padding:14px 16px;
  box-shadow:0 12px 30px rgba(15,42,34,.22);
  backdrop-filter:blur(6px);
}
.hero-float .hf-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:10px;margin-bottom:10px;border-bottom:1px solid var(--line);
}
.hero-float .hf-head b{font-size:14px;color:var(--ink);}
.status-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-chip);
  background:rgba(46,158,107,.12);color:var(--ok);
  font-size:12px;font-weight:600;
}
.status-badge i{font-size:8px;}
.hf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
.hf-grid .k{font-size:11px;color:var(--muted);letter-spacing:.04em;}
.hf-grid .v{font-family:var(--num);font-weight:600;font-size:15px;color:var(--ink);}

/* ============ Section base ============ */
.section{padding:var(--sec) 0;}
.section-soft{background:var(--soft);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--lime-deep);letter-spacing:.1em;
  text-transform:uppercase;
}
.section-head h2{
  margin-top:12px;font-size:30px;line-height:1.35;font-weight:800;
  color:var(--ink);letter-spacing:-.015em;
}
.section-head h2::before{
  content:"";display:inline-block;width:4px;height:22px;
  background:var(--lime);border-radius:2px;margin-right:12px;
  vertical-align:-2px;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}

/* ============ Pain points ============ */
.pain-band{background:var(--soft);padding:44px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pain-item{
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.pain-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.pain-item i{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(183,240,74,.28);color:var(--ink);font-size:15px;
}
.pain-item span{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}

/* ============ Zigzag ============ */
.zigzag-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:32px 0;
}
.zigzag-row + .zigzag-row{border-top:1px solid var(--line);}
.zigzag-row.reverse .zz-media{order:2;}
.zz-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--sh-1);}
.zz-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.zz-media:hover img{transform:scale(1.04);}
.zz-body h3{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.zz-body p{margin-top:14px;color:var(--muted);line-height:1.85;}
.zz-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.zz-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text);}
.zz-list li i{color:var(--lime-deep);margin-top:6px;font-size:10px;}

/* ============ Bento ============ */
.bento{
  display:grid;grid-template-columns:repeat(4,1fr);
  grid-auto-rows:minmax(148px,auto);gap:20px;margin-top:44px;
}
.bento-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:10px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  position:relative;overflow:hidden;
}
.bento-item::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.bento-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D7D6CE;}
.bento-item:hover::before{transform:scaleX(1);}
.bento-item i{
  width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--ink);font-size:17px;
}
.bento-item h4{font-size:18px;font-weight:700;color:var(--ink);}
.bento-item p{font-size:14px;color:var(--muted);line-height:1.7;}
.bento-item.large{grid-column:span 2;grid-row:span 2;justify-content:flex-end;background:linear-gradient(160deg,#fff 0%,#F7F8F3 100%);}
.bento-item.large h4{font-size:24px;}
.bento-item.large p{font-size:15px;}
.bento-item.mid{grid-column:span 2;}
.bento-item.small.wide{grid-column:span 2;}

/* ============ Stats ============ */
.stats-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;padding:72px 0;
}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.20;mix-blend-mode:luminosity;
}
.stats-band::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,rgba(183,240,74,.05) 0 8px,transparent 8px 26px);
}
.stats-inner{position:relative;z-index:2;}
.stats-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:40px;}
.stats-head h2{font-size:28px;font-weight:800;letter-spacing:-.015em;}
.stats-head h2::before{content:"";display:inline-block;width:4px;height:20px;background:var(--lime);border-radius:2px;margin-right:12px;vertical-align:-2px;}
.stats-head p{font-size:14px;color:rgba(255,255,255,.62);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-item{
  padding:22px;border-radius:var(--r-card);
  box-shadow:inset 0 0 0 1px rgba(183,240,74,.18);
  background:rgba(255,255,255,.03);
}
.stat-item .v{
  font-family:var(--num);font-weight:600;font-size:40px;line-height:1.1;
  color:var(--lime);
}
.stat-item .v small{font-size:16px;margin-left:4px;color:rgba(255,255,255,.7);font-weight:600;}
.stat-item .k{margin-top:8px;font-size:14px;color:rgba(255,255,255,.78);}
.stat-note{margin-top:28px;font-size:13px;color:rgba(255,255,255,.5);}

/* ============ CMS list ============ */
.post-lead{
  display:grid;grid-template-columns:1.08fr 1fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  position:relative;
}
.post-lead::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;z-index:3;
}
.post-lead:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D7D6CE;}
.post-lead:hover::before{transform:scaleX(1);}
.post-lead:hover h3{color:var(--ink-2);}
.lead-media{aspect-ratio:16/10;overflow:hidden;background:var(--soft);}
.lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-lead:hover .lead-media img{transform:scale(1.04);}
.lead-body{padding:32px;display:flex;flex-direction:column;gap:14px;justify-content:center;}
.lead-title{font-size:23px;font-weight:800;line-height:1.45;color:var(--ink);letter-spacing:-.01em;transition:color .2s ease;}
.lead-desc{font-size:15px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);flex-wrap:wrap;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:4px 12px;border-radius:var(--r-chip);
  background:var(--soft);border:1px solid var(--line);
  font-size:12px;font-weight:600;color:var(--muted);
}
.tag-lime{background:rgba(183,240,74,.35);border-color:rgba(143,203,42,.4);color:var(--ink);}
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px;}
.post-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);
  position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D7D6CE;}
.post-card:hover::before{transform:scaleX(1);}
.post-card:hover h4{color:var(--ink-2);}
.post-media{
  width:132px;flex-shrink:0;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:16/10;background:var(--soft);
}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .post-media img{transform:scale(1.05);}
.post-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.post-body h4{font-size:16px;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;}
.post-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;}
.meta-time{font-size:12px;color:var(--muted);margin-top:auto;}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state i{font-size:30px;color:var(--muted);opacity:.55;}
.empty-state p{color:var(--muted);font-size:15px;}

/* ============ Testimonials ============ */
.testi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.testi-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:16px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.testi-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.testi-card.dark{
  background:var(--ink);border-color:rgba(183,240,74,.18);color:#fff;
  box-shadow:inset 0 0 0 1px rgba(183,240,74,.12);
}
.testi-card.dark .testi-quote{color:rgba(255,255,255,.86);}
.testi-card.dark .testi-name{color:#fff;}
.testi-card.dark .testi-role{color:rgba(255,255,255,.55);}
.testi-card.dark .stars i{color:var(--lime);}
.testi-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(183,240,74,.30);color:var(--ink);
  font-weight:700;font-size:15px;
}
.testi-card.dark .avatar{background:rgba(183,240,74,.20);color:var(--lime);}
.testi-name{font-size:15px;font-weight:700;color:var(--ink);}
.testi-role{font-size:12px;color:var(--muted);}
.testi-quote{font-size:15px;line-height:1.85;color:var(--muted);}
.stars{display:flex;gap:4px;font-size:12px;color:var(--lime-deep);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item + .faq-item{margin-top:12px;}
.faq-item[open]{box-shadow:var(--sh-1);border-color:#D7D6CE;}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--muted);transition:transform .25s ease,color .25s ease;font-size:14px;flex-shrink:0;}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--lime-deep);}
.faq-answer{
  padding:0 20px 20px 20px;margin-top:12px;
  color:var(--muted);font-size:15px;line-height:1.9;
  border-top:1px dashed var(--line);padding-top:16px;
}

/* ============ CTA band ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  padding:76px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  opacity:.18;
}
.cta-band::after{
  content:"";position:absolute;right:-8%;top:-30px;width:420px;height:240px;
  background:repeating-linear-gradient(45deg,rgba(183,240,74,.10) 0 8px,transparent 8px 26px);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr auto;gap:32px;align-items:center;}
.cta-inner h2{font-size:30px;font-weight:800;line-height:1.4;letter-spacing:-.015em;}
.cta-inner h2 span{color:var(--lime);}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.72);font-size:16px;max-width:44em;}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:14px;}
.cta-actions .btn-text{color:#fff;border-bottom-color:var(--lime);}
.cta-actions .btn-text:hover{color:var(--lime);}

/* ============ Footer ============ */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.78);
  padding:64px 0 0;font-size:14px;line-height:1.9;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text span{color:rgba(255,255,255,.45);}
.footer-brand .logo-mark{background:rgba(183,240,74,.14);box-shadow:inset 0 0 0 1px rgba(183,240,74,.24);}
.footer-brand p{margin-top:18px;font-size:13px;color:rgba(255,255,255,.55);max-width:32em;line-height:1.9;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.7);}
.footer-contact i{color:var(--lime);margin-top:5px;font-size:12px;}
.footer-bottom{
  margin-top:52px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a:hover{color:var(--lime);}

/* ============ Responsive ============ */
@media (max-width:1180px){
  .hero h1{font-size:36px;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento-item.large{grid-column:span 2;grid-row:span 1;}
  .bento-item.mid{grid-column:span 2;}
  .bento-item.small{grid-column:span 1;}
  .bento-item.small.wide{grid-column:span 2;}
}
@media (max-width:1024px){
  :root{--sec:72px;}
  .nav-chips,.header-cta{display:none;}
  .menu-toggle{display:flex;}
  .header-inner{justify-content:space-between;}
  .hero{padding:48px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;aspect-ratio:16/10;}
  .hero h1{font-size:32px;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .post-lead{grid-template-columns:1fr;}
  .lead-media{aspect-ratio:16/9;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{flex-direction:row;align-items:center;flex-wrap:wrap;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--sec:56px;}
  .container{padding:0 16px;}
  .hero h1{font-size:28px;line-height:1.34;}
  .hero-sub{font-size:16px;}
  .section-head h2{font-size:24px;}
  .stats-head h2{font-size:22px;}
  .cta-inner h2{font-size:24px;}
  .zigzag-row{grid-template-columns:1fr;gap:24px;padding:24px 0;}
  .zigzag-row.reverse .zz-media{order:0;}
  .zz-body h3{font-size:19px;}
  .bento{grid-template-columns:1fr;grid-auto-rows:auto;}
  .bento-item.large,.bento-item.mid,.bento-item.small,.bento-item.small.wide{grid-column:span 1;}
  .post-grid{grid-template-columns:1fr;}
  .testi-grid{grid-template-columns:1fr;}
  .lead-body{padding:22px;}
  .lead-title{font-size:19px;}
  .hero-actions .btn{width:100%;}
  .trust-bar{gap:8px 14px;}
  .stats-grid{gap:14px;}
  .stat-item{padding:18px;}
  .stat-item .v{font-size:32px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .pain-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .post-card{flex-direction:column;}
  .post-media{width:100%;aspect-ratio:16/10;}
  .hf-grid{grid-template-columns:repeat(3,1fr);}
  .logo-text b{font-size:15px;}
  .logo-text span{font-size:10px;}
}

/* roulang page: article */
:root{
  --ink:#0F2A22;
  --ink-soft:#173A2F;
  --lime:#B7F04A;
  --lime-dim:rgba(183,240,74,.18);
  --orange:#FF6B35;
  --orange-dark:#E85A26;
  --paper:#FAF9F5;
  --card:#FFFFFF;
  --text:#1A1D1B;
  --muted:#6B7370;
  --line:#E3E2DC;
  --soft:#F1F0EA;
  --success:#2E9E6B;
  --info:#3E7CB1;
  --warn:#E9A13B;
  --error:#D9534F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(15,42,34,.06);
  --sh-2:0 10px 28px rgba(15,42,34,.10);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-mono:"SFMono-Regular","Barlow",ui-monospace,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--font-mono);font-weight:600;letter-spacing:.02em}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,107,53,.24)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,107,53,.28)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-secondary{background:transparent;border-color:var(--text);color:var(--text)}
.btn-secondary:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);border-bottom:2px solid var(--lime);padding-bottom:2px;transition:font-weight .15s ease,color .15s ease}
.btn-link:hover{color:#0b1f19}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ===== 头部 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,249,245,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:10px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-size:15px;flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.2px}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.4px}
.nav-chips{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none;padding:4px 0}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  font-size:14px;font-weight:500;color:#4A5451;white-space:nowrap;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.nav-chip:hover{border-color:var(--ink);color:var(--ink)}
.nav-chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;place-items:center;font-size:16px;
}
.nav-toggle:hover{border-color:var(--ink)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  display:flex;flex-direction:column;
  padding:20px 20px 28px;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .28s ease,opacity .28s ease,visibility .28s;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--ink);cursor:pointer;display:grid;place-items:center;font-size:16px;
}
.drawer-nav{display:flex;flex-direction:column;gap:10px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 18px;border-radius:14px;background:#fff;
  border:1px solid var(--line);font-size:16px;font-weight:600;color:var(--ink);
}
.drawer-nav a.is-active{background:var(--lime);border-color:var(--lime)}
.drawer-note{margin-top:auto;font-size:13px;color:var(--muted);line-height:1.8;padding-top:24px}

/* ===== 文章头 ===== */
.article-hero{position:relative;background:var(--ink);color:#fff;padding:36px 0 56px;overflow:hidden}
.article-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;opacity:.3;
}
.article-hero .hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,42,34,.78) 0%,rgba(15,42,34,.9) 65%,rgba(15,42,34,.96) 100%);
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:6px;
  background:repeating-linear-gradient(90deg,rgba(183,240,74,.35) 0 40px,transparent 40px 80px);
  opacity:.35;
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.84);transition:color .18s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:#fff;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:40px;line-height:1.28;font-weight:800;letter-spacing:-.4px;
  max-width:920px;color:#fff;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:24px;font-size:13px;color:rgba(255,255,255,.76)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-mono);font-weight:600;letter-spacing:.02em}
.article-meta .meta-chip{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:700;font-family:var(--font-sans);letter-spacing:.02em;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4)}

/* ===== 正文 ===== */
.article-main{padding:56px 0 24px}
.article-wrap{max-width:800px;margin:0 auto}
.article-cover{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;
  background:var(--soft);margin-bottom:40px;box-shadow:var(--sh-1);
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-body{font-size:16px;line-height:1.9;color:#212724;word-break:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:24px;line-height:1.45;font-weight:700;color:var(--ink);
  margin:40px 0 14px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--lime);
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:700;color:var(--ink);margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:22px 0 10px}
.article-body a{color:#1C6B4C;text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px}
.article-body a:hover{color:#0F2A22}
.article-body ul{margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:22px;margin:.5em 0}
.article-body ul li::before{
  content:"";position:absolute;left:3px;top:.78em;width:7px;height:7px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 3px var(--lime-dim);
}
.article-body ol{margin:0 0 1.2em;padding-left:1.4em;list-style:decimal}
.article-body ol li{margin:.5em 0;padding-left:4px}
.article-body ol li::marker{color:#1C6B4C;font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;background:var(--soft);
  border-left:3px solid #1A1D1B;border-radius:0 var(--r-img) var(--r-img) 0;color:#3B423F;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;box-shadow:var(--sh-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.7}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;
  border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;
}
.article-body th{background:var(--soft);text-align:left;font-weight:600;color:var(--ink)}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FBFBF8}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{
  font-family:var(--font-mono);font-size:14px;background:var(--soft);
  padding:2px 6px;border-radius:6px;color:#1C6B4C;
}
.article-body pre{
  background:var(--ink);color:#E7F3EC;padding:16px 18px;border-radius:var(--r-img);
  overflow-x:auto;font-family:var(--font-mono);font-size:14px;line-height:1.7;margin:1.6em 0;
}

/* 空态 */
.empty-state{
  padding:56px 24px;text-align:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.empty-state i{font-size:30px;color:var(--muted);margin-bottom:14px;display:block}
.empty-state p{font-size:16px;color:var(--muted);margin-bottom:22px}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row .tag-label{font-size:13px;color:var(--muted);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:#4A5451;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.tag:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600}

/* 继续阅读 */
.next-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.next-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.next-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D5E2C0}
.next-card .k{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px;margin-bottom:8px}
.next-card h4{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}
.next-card p{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.7}

/* CTA 窄条 */
.article-cta{
  margin-top:44px;background:var(--ink);color:#fff;border-radius:var(--r-card);
  padding:26px 28px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  box-shadow:inset 0 0 0 1px rgba(183,240,74,.18);
}
.article-cta .cta-text{flex:1 1 260px}
.article-cta strong{display:block;font-size:18px;font-weight:700;margin-bottom:6px}
.article-cta span{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
.article-cta .cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.article-cta .btn-link{color:#fff;border-bottom-color:var(--lime)}

/* 相关推荐 */
.related{padding:64px 0 8px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{
  position:relative;font-size:30px;font-weight:800;color:var(--ink);line-height:1.35;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;background:var(--lime);
}
.section-head p{font-size:14px;color:var(--muted);margin-top:8px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
  position:relative;display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.post-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.post-card:hover::before{transform:scaleX(1)}
.post-card .thumb{aspect-ratio:16/10;background:var(--soft);overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.post-card .chip{
  align-self:flex-start;font-size:12px;font-weight:600;color:#1C6B4C;
  background:var(--lime-dim);border-radius:var(--r-badge);padding:3px 10px;margin-bottom:12px;
}
.post-card h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--ink);transition:color .18s ease}
.post-card:hover h3{color:#1C6B4C}
.post-card p{font-size:14px;color:var(--muted);line-height:1.7;margin-top:10px;flex:1}
.post-card .foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:12px;color:var(--muted);font-family:var(--font-mono);font-weight:600}

/* 回到顶部 */
.back-to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:48px;height:48px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;display:grid;place-items:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s,background-color .18s ease;
}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--lime);border-color:var(--lime)}

/* 移动底栏 */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:75;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);padding:10px 16px;
}
.mobile-bar .btn{height:46px}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);margin-top:72px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(183,240,74,.14);color:var(--lime);box-shadow:inset 0 0 0 1px rgba(183,240,74,.3)}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text span{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.9;max-width:400px;color:rgba(255,255,255,.68)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-col ul li a:hover{color:var(--lime)}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact li i{color:var(--lime);width:16px;text-align:center}
.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,.55);
}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  body{padding-bottom:74px}
  .nav-chips{display:none}
  .header-cta{display:none}
  .nav-toggle{display:grid}
  .mobile-bar{display:block}
  .article-hero h1{font-size:30px}
  .container{padding:0 16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .card-grid{grid-template-columns:1fr 1fr}
  .back-to-top{bottom:88px;right:16px}
}
@media (max-width:767px){
  .article-hero{padding:26px 0 42px}
  .article-hero h1{font-size:26px;line-height:1.35}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .article-main{padding:36px 0 16px}
  .article-body h2{font-size:21px;margin-top:34px}
  .article-body h3{font-size:18px}
  .next-nav{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start}
  .section-head h2{font-size:24px}
  .article-cta{padding:22px 20px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .site-footer{margin-top:52px;padding:48px 0 24px}
}
@media (max-width:520px){
  .header-inner{gap:12px}
  .logo-text b{font-size:15px}
  .logo-text span{display:none}
  .article-hero h1{font-size:23px}
  .btn{height:46px;padding:0 18px;font-size:14px}
  .article-meta{gap:10px}
}

/* roulang page: category1 */
:root{
  --ink:#0F2A22;
  --ink-2:#153A2E;
  --ink-3:#1D4A3B;
  --lime:#B7F04A;
  --lime-soft:rgba(183,240,74,.18);
  --orange:#FF6B35;
  --orange-dark:#E85A28;
  --paper:#FAF9F5;
  --card:#FFFFFF;
  --text:#1A1D1B;
  --muted:#6B7370;
  --line:#E3E2DC;
  --soft:#F1F0EA;
  --ok:#2E9E6B;
  --info:#3E7CB1;
  --warn:#E9A13B;
  --err:#D9534F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-badge:6px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(15,42,34,.06);
  --sh-2:0 10px 28px rgba(15,42,34,.10);
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --mono:"Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:.02em;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-soft{background:var(--soft);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:30px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
  position:relative;
  padding-left:18px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.18em;bottom:.18em;
  width:4px;border-radius:2px;
  background:var(--lime);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;max-width:680px;}
.section-head.is-light h2{color:#fff;}
.section-head.is-light p{color:rgba(255,255,255,.72);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,107,53,.24);}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,107,53,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(255,107,53,.22);}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-ghost-light{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:#fff;}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:2px solid var(--lime);
  padding-bottom:2px;min-height:44px;
  transition:font-weight .15s ease,color .15s ease;
}
.btn-text:hover{font-weight:800;}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,249,245,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(15,42,34,.07);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:76px;transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--ink);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.06em;}
.nav-chips{
  display:flex;align-items:center;gap:8px;
  flex:1;overflow-x:auto;padding:4px 2px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{
  display:inline-flex;align-items:center;
  min-height:38px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-chip);
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.nav-chip:hover{border-color:var(--ink);color:var(--ink);}
.nav-chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);color:var(--ink);
  align-items:center;justify-content:center;font-size:17px;
}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(15,42,34,.55);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(330px,88vw);
  background:var(--paper);
  padding:22px 20px 28px;
  display:flex;flex-direction:column;gap:18px;
  transform:translateX(100%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-head b{font-size:16px;font-weight:800;color:var(--ink);}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;}
.drawer-nav{display:flex;flex-direction:column;gap:10px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 16px;border-radius:12px;
  border:1px solid var(--line);background:#fff;font-size:15px;color:var(--text);
}
.drawer-nav a.is-active{background:var(--lime);border-color:var(--lime);font-weight:600;color:var(--ink);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
  padding:22px 0 18px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--muted);transition:color .15s ease;}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb i{font-size:10px;opacity:.6;}
.breadcrumb span{color:var(--ink);font-weight:600;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  border-radius:20px;
  padding:52px 44px;
  color:#fff;
  background-color:var(--ink);
  background-image:
    linear-gradient(115deg,rgba(15,42,34,.94) 0%,rgba(15,42,34,.86) 48%,rgba(15,42,34,.66) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-1);
}
.cat-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:6px;
  background:repeating-linear-gradient(115deg,rgba(183,240,74,.28) 0 14px,transparent 14px 30px);
  opacity:.9;
}
.cat-hero-inner{position:relative;z-index:1;max-width:820px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-chip);
  background:var(--lime-soft);
  box-shadow:0 0 0 1px rgba(183,240,74,.30);
  color:var(--lime);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.cat-hero h1{
  margin-top:20px;
  font-size:40px;line-height:1.22;font-weight:800;letter-spacing:-.02em;
}
.cat-hero p{
  margin-top:16px;font-size:18px;line-height:1.7;
  color:rgba(255,255,255,.82);max-width:640px;font-weight:400;
}
.anchor-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.anchor-chips a{
  display:inline-flex;align-items:center;gap:7px;
  min-height:40px;padding:0 16px;
  border-radius:var(--r-chip);
  border:1px solid rgba(255,255,255,.28);
  color:rgba(255,255,255,.9);font-size:14px;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.anchor-chips a:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600;}
.hero-meta{
  margin-top:24px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.66);
  display:flex;flex-wrap:wrap;gap:8px 22px;
}

/* ============ 筛选 ============ */
.filter-row{
  display:flex;gap:10px;overflow-x:auto;
  padding:4px 2px 14px;margin-bottom:22px;
  scrollbar-width:none;
}
.filter-row::-webkit-scrollbar{display:none;}
.filter-chip{
  display:inline-flex;align-items:center;gap:7px;
  min-height:42px;padding:0 18px;
  border:1px solid var(--line);border-radius:var(--r-chip);
  background:#fff;color:var(--muted);font-size:14px;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.filter-chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}
.filter-chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}

/* ============ 内容布局 ============ */
.content-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:32px;
  align-items:start;
}
.media-list{display:flex;flex-direction:column;gap:20px;}

.media-item{
  position:relative;
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:16px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  overflow:hidden;
}
.media-item::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .28s ease;
}
.media-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6D5CE;}
.media-item:hover::before{transform:scaleX(1);}
.media-thumb{
  aspect-ratio:16/10;border-radius:var(--r-img);
  overflow:hidden;background:var(--soft);display:block;
}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.media-item:hover .media-thumb img{transform:scale(1.04);}
.media-body{display:flex;flex-direction:column;min-width:0;}
.media-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px;}
.media-time{font-size:12.5px;color:var(--muted);}
.media-body h3{font-size:20px;line-height:1.45;font-weight:700;letter-spacing:-.01em;}
.media-body h3 a{transition:color .18s ease;}
.media-item:hover .media-body h3 a{color:var(--ink-3);}
.media-body p{
  margin-top:10px;color:var(--muted);font-size:15px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.media-link{
  margin-top:auto;padding-top:14px;
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;font-weight:600;color:var(--ink);
}
.media-link i{font-size:11px;transition:transform .2s ease;}
.media-item:hover .media-link i{transform:translateX(3px);}

.chip{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.chip-lime{background:rgba(183,240,74,.30);color:#3A5310;}
.chip-ink{background:rgba(15,42,34,.08);color:var(--ink);}
.chip-orange{background:rgba(255,107,53,.14);color:#B4431A;}
.chip-info{background:rgba(62,124,177,.13);color:#2B5C87;}

/* 空态 */
.empty-state{
  display:none;flex-direction:column;align-items:center;gap:12px;
  padding:52px 24px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--r-card);text-align:center;
}
.empty-state i{font-size:26px;color:var(--muted);}
.empty-state p{color:var(--muted);font-size:15px;}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:20px;}
.side-card{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);
}
.side-col .side-card:nth-child(2){position:static;}
.side-card h3{
  font-size:17px;font-weight:800;letter-spacing:-.01em;
  padding-left:14px;position:relative;margin-bottom:16px;
}
.side-card h3::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;
  width:3px;border-radius:2px;background:var(--lime);
}
.meta-list{display:flex;flex-direction:column;gap:12px;margin-bottom:20px;}
.meta-list li{
  display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
  padding-bottom:12px;border-bottom:1px dashed var(--line);
  font-size:14px;
}
.meta-list li:last-child{border-bottom:none;padding-bottom:0;}
.meta-list li span{color:var(--muted);flex-shrink:0;}
.meta-list li b{font-weight:600;color:var(--ink);text-align:right;}
.side-card .btn + .btn{margin-top:10px;}

.sub-form{display:flex;flex-direction:column;gap:10px;}
.sub-form label{font-size:13.5px;font-weight:600;color:var(--ink);}
.sub-form input{
  height:44px;padding:0 14px;border-radius:10px;
  border:1px solid var(--line);background:var(--paper);
  font-size:14.5px;transition:border-color .18s ease,box-shadow .18s ease;
}
.sub-form input::placeholder{color:#A6ABA7;}
.sub-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(183,240,74,.28);}
.sub-form input:invalid:not(:placeholder-shown){border-color:var(--err);}
.form-hint{font-size:12.5px;color:var(--muted);line-height:1.6;}

/* ============ 播报节奏（深色） ============ */
.rhythm-section{
  background:var(--ink);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.rhythm-section::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(183,240,74,.06) 0 2px,transparent 2px 46px);
  pointer-events:none;
}
.rhythm-section .container{position:relative;z-index:1;}
.rhythm-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
}
.rhythm-item{
  background:rgba(255,255,255,.045);
  box-shadow:0 0 0 1px rgba(183,240,74,.18);
  border-radius:var(--r-card);
  padding:24px 22px;
  transition:transform .22s ease,background-color .22s ease;
}
.rhythm-item:hover{transform:translateY(-3px);background:rgba(255,255,255,.075);}
.rhythm-item .r-time{
  font-family:var(--mono);font-weight:600;font-size:26px;
  color:var(--lime);letter-spacing:.02em;line-height:1;
}
.rhythm-item h3{margin-top:14px;font-size:17px;font-weight:700;color:#fff;}
.rhythm-item p{margin-top:8px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.68);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{box-shadow:var(--sh-2);border-color:#D6D5CE;}
.faq-item summary{
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;
  font-size:17px;font-weight:600;color:var(--text);cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{
  flex-shrink:0;font-size:13px;color:var(--muted);
  transition:transform .25s ease,color .2s ease;
}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--ink);}
.faq-item summary:hover{color:var(--ink-3);}
.faq-answer{padding:0 22px 20px 42px;color:var(--muted);font-size:15px;line-height:1.8;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);
  border-radius:20px;
  padding:52px 44px;
  color:#fff;
  box-shadow:var(--sh-1);
}
.cta-band::before{
  content:"";position:absolute;top:-60px;right:-40px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(183,240,74,.22),transparent 68%);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:28px;font-weight:800;letter-spacing:-.01em;line-height:1.35;}
.cta-inner p{margin-top:10px;color:rgba(255,255,255,.72);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.cta-actions .btn-text{color:#fff;border-bottom-color:var(--lime);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.74);
  padding:64px 0 28px;
  margin-top:96px;
  font-size:14px;line-height:1.9;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(183,240,74,.14);}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text span{color:rgba(255,255,255,.55);}
.footer-brand p{color:rgba(255,255,255,.62);max-width:400px;font-size:14px;}
.footer-col h4{
  color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;
  letter-spacing:.01em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);transition:color .18s ease;}
.footer-col a:hover{color:var(--lime);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.72);}
.footer-contact i{margin-top:5px;color:var(--lime);font-size:13px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .content-layout{grid-template-columns:minmax(0,1fr);}
  .side-col{flex-direction:row;flex-wrap:wrap;}
  .side-col .side-card{position:static;flex:1 1 300px;}
  .rhythm-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .container{padding:0 16px;}
  .nav-chips{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .cat-hero{padding:36px 22px;border-radius:16px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero p{font-size:16px;}
  .section-head h2{font-size:24px;}
  .media-item{grid-template-columns:1fr;padding:14px;}
  .media-thumb{aspect-ratio:16/9;}
  .media-body h3{font-size:19px;}
  .cta-band{padding:36px 22px;border-radius:16px;}
  .cta-inner h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-answer{padding-left:22px;}
  .side-col .side-card{flex:1 1 100%;}
  .site-footer{padding-top:48px;margin-top:56px;}
}
@media (max-width:520px){
  .logo-text span{display:none;}
  .rhythm-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .breadcrumb{font-size:12.5px;}
}

/* roulang page: category2 */
:root{
  --ink-green:#0F2A22;
  --ink-green-2:#153529;
  --ink-green-3:#1C4234;
  --lime:#B7F04A;
  --lime-soft:rgba(183,240,74,.18);
  --signal:#FF6B35;
  --signal-dark:#E85A24;
  --paper:#FAF9F5;
  --card:#FFFFFF;
  --charcoal:#1A1D1B;
  --fog:#6B7370;
  --line:#E3E2DC;
  --soft:#F1F0EA;
  --ok:#2E9E6B;
  --info:#3E7CB1;
  --warn:#E9A13B;
  --err:#D9534F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(15,42,34,.06);
  --sh-2:0 10px 28px rgba(15,42,34,.10);
  --mono:"Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--charcoal);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
h1{font-size:40px;font-weight:800}
h2{font-size:30px;font-weight:800}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--ink-green)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-feature-settings:"tnum" 1;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink-green);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:999}
.skip-link:focus{left:0}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(250,249,245,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:padding .25s ease,box-shadow .25s ease,border-color .25s ease;
  padding:14px 0;
}
.site-header.is-scrolled{
  padding:8px 0;
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(15,42,34,.06),0 8px 20px rgba(15,42,34,.05);
}
.header-inner{display:flex;align-items:center;gap:20px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--ink-green);color:var(--lime);
  display:grid;place-items:center;font-size:16px;
  box-shadow:0 0 0 1px rgba(183,240,74,.22) inset;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:-.02em}
.logo-text span{font-size:11px;color:var(--fog);letter-spacing:.06em}
.nav-chips{
  display:flex;align-items:center;gap:8px;
  margin:0 auto;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:2px;
}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:38px;padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--fog);
  font-size:14px;
  white-space:nowrap;
  transition:all .2s ease;
}
.nav-chip:hover{border-color:var(--ink-green);color:var(--ink-green);transform:translateY(-1px)}
.nav-chip.is-active{
  background:var(--lime);border-color:var(--lime);
  color:var(--ink-green);font-weight:600;
  box-shadow:0 2px 10px rgba(183,240,74,.4);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;font-size:17px;color:var(--ink-green);
}
.nav-toggle:hover{border-color:var(--ink-green)}

/* Mobile drawer */
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--paper);
  padding:16px 0 22px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .container{display:flex;flex-direction:column;gap:10px}
.mobile-drawer .nav-chip{height:44px;justify-content:center;width:100%}
.mobile-drawer .btn{width:100%;margin-top:6px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  cursor:pointer;white-space:nowrap;
}
.btn-sm{height:42px;padding:0 18px;font-size:14px;border-radius:11px}
.btn-primary{background:var(--signal);color:#fff;box-shadow:0 6px 18px rgba(255,107,53,.28)}
.btn-primary:hover{background:var(--signal-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--charcoal);color:var(--charcoal)}
.btn-ghost:hover{background:var(--ink-green);border-color:var(--ink-green);color:#fff}
.btn-lime{background:var(--lime);color:var(--ink-green)}
.btn-lime:hover{background:#a8e339;transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(250,249,245,.5);color:#fff}
.btn-outline-light:hover{background:rgba(250,249,245,.12);border-color:var(--lime);color:var(--lime)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink-green);
  border-bottom:2px solid var(--lime);padding-bottom:2px;
  transition:font-weight .15s ease,color .15s ease;
}
.btn-link:hover{color:var(--ink-green-3);font-weight:700}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* ---------- Badges / Chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-lime{background:var(--lime);color:var(--ink-green)}
.badge-soft{background:var(--soft);color:var(--fog)}
.badge-ok{background:rgba(46,158,107,.12);color:var(--ok)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--fog);
  transition:all .2s ease;
}
.tag:hover{border-color:var(--ink-green);color:var(--ink-green)}
.tag.is-on{background:var(--ink-green);border-color:var(--ink-green);color:var(--lime);font-weight:600}

/* ---------- Page head ---------- */
.crumb{padding:26px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--fog)}
.crumb a:hover{color:var(--ink-green)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--charcoal);font-weight:600}

.cat-hero{
  position:relative;overflow:hidden;
  margin-top:20px;
  border-radius:24px;
  background:var(--ink-green);
  color:#FAF9F5;
  box-shadow:var(--sh-2);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(115deg,rgba(183,240,74,.10) 0 2px,transparent 2px 22px),
    radial-gradient(120% 120% at 88% 8%,rgba(183,240,74,.16),transparent 58%);
  opacity:.85;pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:6px;
  background:repeating-linear-gradient(90deg,var(--lime) 0 22px,transparent 22px 44px);
  opacity:.32;pointer-events:none;
}
.cat-hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  padding:56px 48px 52px;
}
.cat-hero h1{font-size:38px;color:#fff;margin-bottom:14px}
.cat-hero .lede{font-size:18px;color:rgba(250,249,245,.78);margin-bottom:26px;max-width:520px}
.cat-hero .hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.trust-bar{
  margin-top:28px;padding-top:20px;
  border-top:1px solid rgba(250,249,245,.14);
  display:flex;flex-wrap:wrap;gap:20px 28px;
}
.trust-item{display:flex;flex-direction:column;gap:2px}
.trust-item .k{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:rgba(250,249,245,.5)}
.trust-item .v{font-family:var(--mono);font-size:15px;font-weight:600;color:var(--lime)}

.hero-visual{position:relative;border-radius:18px;overflow:hidden;box-shadow:0 18px 40px rgba(0,0,0,.3)}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,42,34,.42),rgba(15,42,34,.68));
}
.hero-float{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:3;
  background:rgba(250,249,245,.96);
  border-radius:14px;padding:14px 16px;
  display:grid;grid-template-columns:repeat(2,1fr);gap:10px 16px;
  box-shadow:0 10px 26px rgba(0,0,0,.22);
}
.hero-float .cell{display:flex;flex-direction:column;gap:1px}
.hero-float .cell b{font-family:var(--mono);font-size:16px;font-weight:700;color:var(--ink-green)}
.hero-float .cell span{font-size:11px;color:var(--fog);letter-spacing:.08em}

/* ---------- Anchor chips ---------- */
.anchor-row{
  display:flex;gap:10px;overflow-x:auto;
  padding:22px 0 0;
  scrollbar-width:none;
}
.anchor-row::-webkit-scrollbar{display:none}
.anchor-row .tag{flex:0 0 auto;height:38px;padding:0 16px;background:#fff}

/* ---------- Doc layout ---------- */
.section{padding:64px 0}
.section-tight{padding:48px 0}
.sec-head{max-width:720px;margin-bottom:34px}
.sec-head h2{position:relative;padding-left:16px;margin-bottom:10px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--lime);
}
.sec-head p{color:var(--fog);font-size:16px}

.doc-grid{display:grid;grid-template-columns:264px 1fr;gap:44px;align-items:start}
.toc{
  position:sticky;top:104px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.toc h3{font-size:14px;letter-spacing:.1em;color:var(--fog);font-weight:700;margin-bottom:14px;text-transform:uppercase}
.toc ol{display:flex;flex-direction:column;gap:2px;counter-reset:toc}
.toc li{counter-increment:toc}
.toc a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--fog);
  transition:all .2s ease;
}
.toc a::before{
  content:counter(toc,decimal-leading-zero);
  font-family:var(--mono);font-size:12px;font-weight:600;
  color:var(--fog);opacity:.7;min-width:20px;
}
.toc a:hover{background:var(--soft);color:var(--ink-green)}
.toc a.is-on{background:var(--ink-green);color:#fff;font-weight:600}
.toc a.is-on::before{color:var(--lime);opacity:1}
.toc-foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.toc-foot p{font-size:13px;color:var(--fog);margin-bottom:12px}

/* ---------- Steps ---------- */
.steps{display:flex;flex-direction:column;gap:20px}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  position:relative;overflow:hidden;
  scroll-margin-top:104px;
}
.step::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;
  background:var(--lime);transition:width .35s ease;
}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D8D7CF}
.step:hover::before{width:100%}
.step-head{display:flex;gap:20px;align-items:flex-start;margin-bottom:16px}
.step-num{
  flex:0 0 auto;
  width:64px;height:64px;border-radius:999px;
  border:2px solid var(--lime);
  background:rgba(183,240,74,.10);
  display:grid;place-items:center;
  font-family:var(--mono);font-size:26px;font-weight:700;color:var(--ink-green);
}
.step-head h3{font-size:22px;margin-bottom:6px}
.step-head .sub{font-size:14px;color:var(--fog)}
.step-body{font-size:16px;line-height:1.85;color:#33372F}
.step-body p+p{margin-top:12px}
.check-list{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.check-list li{
  position:relative;padding-left:26px;font-size:15px;color:#3A3F39;
}
.check-list li::before{
  content:"";position:absolute;left:6px;top:11px;
  width:8px;height:8px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 0 3px rgba(183,240,74,.22);
}
.note{
  margin-top:18px;padding:14px 18px;
  background:var(--soft);border-left:3px solid var(--charcoal);
  border-radius:0 10px 10px 0;
  font-size:14px;color:var(--fog);
}
.step-media{margin-top:18px;border-radius:var(--r-img);overflow:hidden}
.step-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img)}
.step-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;
  padding-top:16px;border-top:1px dashed var(--line);
}
.mini-stat{display:flex;align-items:baseline;gap:6px;font-size:13px;color:var(--fog)}
.mini-stat b{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--ink-green)}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.bento-card{
  display:flex;gap:18px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  position:relative;overflow:hidden;
}
.bento-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .28s ease;
}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D8D7CF}
.bento-card:hover::after{transform:scaleX(1)}
.bento-card .thumb{
  flex:0 0 auto;width:96px;height:72px;border-radius:12px;overflow:hidden;
}
.bento-card .thumb img{width:100%;height:100%;object-fit:cover}
.bento-card h4{font-size:17px;margin-bottom:6px;transition:color .2s ease}
.bento-card:hover h4{color:var(--ink-green)}
.bento-card p{font-size:13px;color:var(--fog);line-height:1.7}
.bento-card .go{
  margin-left:auto;flex:0 0 auto;
  width:34px;height:34px;border-radius:999px;
  background:var(--soft);color:var(--ink-green);
  display:grid;place-items:center;font-size:13px;
  transition:all .2s ease;
}
.bento-card:hover .go{background:var(--lime)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:#CFE0A8;box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;
  font-size:17px;font-weight:600;color:var(--charcoal);
}
.faq-q:hover{color:var(--ink-green)}
.faq-q i{font-size:14px;color:var(--fog);transition:transform .28s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--ink-green)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a-inner{
  padding:0 22px 20px 20px;
  margin-left:20px;margin-top:12px;
  border-top:1px dashed var(--line);
  padding-top:14px;
  font-size:15px;color:#3A3F39;line-height:1.85;
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-green);color:#FAF9F5;
  border-radius:24px;
  padding:52px 48px;
  display:flex;flex-wrap:wrap;align-items:center;gap:32px;justify-content:space-between;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(90% 140% at 92% 10%,rgba(183,240,74,.18),transparent 60%),
    repeating-linear-gradient(135deg,rgba(183,240,74,.07) 0 2px,transparent 2px 26px);
  pointer-events:none;
}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:10px}
.cta-band p{color:rgba(250,249,245,.76);font-size:16px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-green);color:rgba(250,249,245,.82);
  margin-top:64px;padding:56px 0 24px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;
  padding-bottom:36px;border-bottom:1px solid rgba(250,249,245,.12);
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(183,240,74,.14);color:var(--lime)}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text span{color:rgba(250,249,245,.55)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(250,249,245,.66);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(250,249,245,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(250,249,245,.72)}
.footer-contact i{color:var(--lime);font-size:13px;width:16px;text-align:center}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding-top:20px;font-size:13px;color:rgba(250,249,245,.55);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  h1{font-size:32px}
  h2{font-size:26px}
  .cat-hero-inner{grid-template-columns:1fr;gap:32px;padding:44px 32px 40px}
  .cat-hero h1{font-size:30px}
  .doc-grid{grid-template-columns:1fr;gap:28px}
  .toc{position:static}
  .toc ol{flex-direction:row;flex-wrap:wrap;gap:8px}
  .toc a{padding:7px 12px;border:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .nav-chips{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:768px){
  body{font-size:16px}
  h1{font-size:28px}
  h2{font-size:24px}
  h3{font-size:19px}
  h4{font-size:17px}
  .section{padding:56px 0}
  .cat-hero-inner{padding:36px 22px 32px}
  .cat-hero h1{font-size:26px}
  .cat-hero .lede{font-size:16px}
  .cat-hero .hero-cta .btn{width:100%}
  .bento{grid-template-columns:1fr}
  .step{padding:22px}
  .step-head{flex-direction:row;gap:14px}
  .step-num{width:52px;height:52px;font-size:22px}
  .cta-band{padding:36px 24px;border-radius:20px}
  .cta-band h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .trust-bar{gap:16px 22px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo-text span{display:none}
  .step-head{flex-direction:column;align-items:flex-start}
  .hero-float{grid-template-columns:1fr 1fr;padding:12px}
  .bento-card .thumb{width:76px;height:60px}
}

/* roulang page: category3 */
:root{
  --color-track:#0F2A22;
  --color-track-deep:#0B201A;
  --color-track-soft:#16362C;
  --color-lime:#B7F04A;
  --color-orange:#FF6B35;
  --color-paper:#FAF9F5;
  --color-card:#FFFFFF;
  --color-ink:#1A1D1B;
  --color-body:#3D4541;
  --color-mist:#6B7370;
  --color-line:#E3E2DC;
  --color-soft:#F1F0EA;
  --color-ok:#2E9E6B;
  --color-info:#3E7CB1;
  --color-warn:#E9A13B;
  --color-error:#D9534F;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --radius-chip:999px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(15,42,34,.06);
  --shadow-2:0 10px 28px rgba(15,42,34,.10);
  --container:1200px;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-mono:"Barlow","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--color-paper);
  color:var(--color-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,button{font-size:100%;}
:focus-visible{outline:2px solid var(--color-lime);outline-offset:2px;border-radius:4px;}
.mono{font-family:var(--font-mono);font-weight:600;letter-spacing:.2px;font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-lime);color:var(--color-track);padding:10px 16px;border-radius:0 0 12px 0;z-index:200;}
.skip-link:focus{left:0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(250,249,245,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--color-line);
  box-shadow:0 6px 18px rgba(15,42,34,.07);
  background:rgba(250,249,245,.98);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:76px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--color-track);color:var(--color-lime);
  display:grid;place-items:center;font-size:16px;flex-shrink:0;
}
.logo-text b{display:block;font-size:16px;font-weight:800;color:var(--color-ink);line-height:1.2;}
.logo-text span{display:block;font-size:11.5px;color:var(--color-mist);letter-spacing:.3px;}
.nav-chips{
  display:flex;align-items:center;gap:8px;flex:1;
  overflow-x:auto;scrollbar-width:none;
  padding:4px 2px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{
  display:inline-flex;align-items:center;
  height:38px;padding:0 18px;flex-shrink:0;
  border:1px solid var(--color-line);border-radius:var(--radius-chip);
  background:#fff;color:var(--color-mist);
  font-size:14px;font-weight:500;
  transition:all .2s ease;white-space:nowrap;
}
.nav-chip:hover{border-color:var(--color-track);color:var(--color-track);}
.nav-chip.is-active{
  background:var(--color-lime);border-color:var(--color-lime);
  color:var(--color-ink);font-weight:600;
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--color-line);background:#fff;color:var(--color-track);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
  transition:all .2s ease;
}
.nav-toggle:hover{border-color:var(--color-track);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--color-orange);color:#fff;box-shadow:0 6px 16px rgba(255,107,53,.24);}
.btn-primary:hover{background:#F05A22;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(255,107,53,.22);}
.btn-ghost{background:transparent;border-color:var(--color-ink);color:var(--color-ink);}
.btn-ghost:hover{background:var(--color-track);border-color:var(--color-track);color:#fff;}
.btn-dark{background:var(--color-track);color:#fff;}
.btn-dark:hover{background:var(--color-track-soft);transform:translateY(-1px);}
.btn-on-dark{background:var(--color-lime);color:var(--color-track);}
.btn-on-dark:hover{background:#A8E63A;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--color-track);font-weight:600;font-size:15px;
  border-bottom:2px solid var(--color-lime);padding-bottom:2px;
  transition:all .2s ease;
}
.btn-text:hover{font-weight:700;color:var(--color-track-deep);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:var(--color-paper);
  display:flex;flex-direction:column;
  padding:16px;transform:translateX(100%);
  transition:transform .3s ease;visibility:hidden;
}
.drawer.is-open{transform:none;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:6px 4px 18px;border-bottom:1px solid var(--color-line);}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--color-line);
  background:#fff;color:var(--color-track);font-size:18px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-nav{display:flex;flex-wrap:wrap;gap:10px;padding:24px 0;}
.drawer-nav a{
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 20px;border-radius:var(--radius-chip);
  border:1px solid var(--color-line);background:#fff;
  font-size:15px;color:var(--color-mist);
}
.drawer-nav a.is-active{background:var(--color-lime);border-color:var(--color-lime);color:var(--color-ink);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--color-line);}
.drawer-note{font-size:13px;color:var(--color-mist);margin-bottom:14px;}

/* ---------- breadcrumb ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:var(--color-lime);}
.breadcrumb .current{color:var(--color-lime);font-weight:600;}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  color:#fff;
  background-color:var(--color-track);
  background-image:
    linear-gradient(102deg,rgba(15,42,34,.95) 0%,rgba(15,42,34,.88) 46%,rgba(15,42,34,.72) 100%),
    url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  padding:40px 0 48px;
}
.cat-hero::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background-image:repeating-linear-gradient(115deg,rgba(183,240,74,.09) 0 2px,transparent 2px 26px);
  opacity:.9;pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:28px;padding:6px 14px;border-radius:var(--radius-chip);
  background:rgba(183,240,74,.14);border:1px solid rgba(183,240,74,.32);
  color:var(--color-lime);font-size:13px;font-weight:600;letter-spacing:.4px;
}
.cat-hero h1{
  margin-top:18px;
  font-size:40px;line-height:1.25;font-weight:800;
  letter-spacing:-.4px;max-width:820px;
}
.hero-sub{margin-top:14px;font-size:18px;color:#B9C7C0;max-width:640px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:12px 28px;
  margin-top:26px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-facts li{font-size:13.5px;color:#A9BAB3;display:flex;align-items:center;gap:8px;}
.hero-facts li .mono{color:#fff;font-size:14px;}
.anchor-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.anchor-chip{
  display:inline-flex;align-items:center;gap:6px;
  min-height:40px;padding:0 16px;border-radius:var(--radius-chip);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  color:#E4EBE7;font-size:13.5px;transition:all .2s ease;
}
.anchor-chip:hover{background:var(--color-lime);border-color:var(--color-lime);color:var(--color-track);}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-soft{background:var(--color-soft);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{
  font-size:30px;line-height:1.3;font-weight:800;
  padding-left:16px;position:relative;letter-spacing:-.2px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--color-lime);
}
.section-head p{margin-top:14px;color:var(--color-mist);font-size:15.5px;}

/* ---------- search panel ---------- */
.search-section{padding:56px 0 8px;}
.search-panel{
  background:var(--color-card);border:1px solid var(--color-line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  padding:28px;
}
.search-bar label{
  display:block;font-size:14px;font-weight:600;color:var(--color-track);
  margin-bottom:10px;
}
.search-input-row{display:flex;gap:12px;}
.search-input-row input{
  flex:1;height:44px;padding:0 16px;border-radius:10px;
  border:1px solid var(--color-line);background:var(--color-paper);
  color:var(--color-ink);transition:all .2s ease;
}
.search-input-row input::placeholder{color:#9AA39E;}
.search-input-row input:focus{
  outline:none;border-color:var(--color-lime);
  box-shadow:0 0 0 3px rgba(183,240,74,.28);background:#fff;
}
.search-hint{margin-top:12px;font-size:13.5px;color:var(--color-mist);}
.hot-questions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;padding-top:22px;border-top:1px dashed var(--color-line);}
.hot-title{font-size:13px;font-weight:700;color:var(--color-track);letter-spacing:.4px;}
.hot-chip{
  display:inline-flex;align-items:center;
  min-height:34px;padding:0 14px;border-radius:var(--radius-chip);
  background:var(--color-soft);color:#4A534F;font-size:13.5px;
  transition:all .2s ease;
}
.hot-chip:hover{background:var(--color-lime);color:var(--color-track);}

/* ---------- rhythm strip ---------- */
.rhythm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.rhythm-card{
  background:var(--color-card);border:1px solid var(--color-line);
  border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--shadow-1);transition:all .2s ease;position:relative;overflow:hidden;
}
.rhythm-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--color-lime),transparent);
  opacity:0;transition:opacity .25s ease;
}
.rhythm-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.rhythm-card:hover::after{opacity:1;}
.rhythm-num{
  font-family:var(--font-mono);font-size:30px;font-weight:600;
  color:var(--color-track);line-height:1.1;
}
.rhythm-num em{font-style:normal;font-size:14px;color:var(--color-mist);margin-left:6px;}
.rhythm-card h3{margin-top:12px;font-size:16px;font-weight:700;}
.rhythm-card p{margin-top:8px;font-size:14px;color:var(--color-mist);line-height:1.75;}

/* ---------- faq ---------- */
.faq-wrap{max-width:920px;}
.faq-list{display:grid;gap:16px;}
.faq-item{
  background:var(--color-card);border:1px solid var(--color-line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  overflow:hidden;transition:all .22s ease;scroll-margin-top:110px;
}
.faq-item:hover{border-color:#CBD4CF;}
.faq-item[open]{box-shadow:var(--shadow-2);border-color:rgba(183,240,74,.85);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;gap:16px;
  padding:20px 24px;min-height:44px;
  font-size:17px;font-weight:600;line-height:1.55;color:var(--color-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-index{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--font-mono);font-size:13px;font-weight:600;
  background:var(--color-soft);color:var(--color-track);
  transition:all .22s ease;
}
.faq-item[open] .faq-index{background:var(--color-lime);}
.faq-q{flex:1;}
.faq-arrow{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;color:var(--color-mist);
  font-size:12px;transition:transform .25s ease,color .25s ease;
}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--color-track);}
.faq-answer{
  padding:0 24px 22px 70px;
  font-size:15.5px;line-height:1.9;color:var(--color-body);
}
.faq-answer p+p{margin-top:12px;}
.faq-answer .tip{
  display:block;margin-top:14px;padding:12px 14px;
  background:var(--color-soft);border-radius:10px;
  font-size:14px;color:#4A534F;border-left:3px solid var(--color-lime);
}
.faq-footnote{
  margin-top:28px;padding:20px 24px;border-radius:var(--radius-card);
  background:var(--color-track);color:#C6D3CD;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.faq-footnote p{font-size:14.5px;line-height:1.8;max-width:620px;}
.faq-footnote .mono{color:var(--color-lime);}

/* ---------- entry cards ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.entry-card{
  display:flex;gap:18px;align-items:center;
  background:var(--color-card);border:1px solid var(--color-line);
  border-radius:var(--radius-card);padding:18px;
  box-shadow:var(--shadow-1);transition:all .22s ease;position:relative;
}
.entry-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  border-radius:16px 16px 0 0;background:var(--color-lime);
  opacity:0;transition:opacity .22s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#CBD4CF;}
.entry-card:hover::before{opacity:1;}
.entry-card img{
  width:132px;height:100px;flex-shrink:0;
  object-fit:cover;border-radius:var(--radius-img);
  background:var(--color-soft);
}
.entry-body h3{font-size:17px;font-weight:700;transition:color .2s ease;}
.entry-card:hover .entry-body h3{color:var(--color-track);}
.entry-body p{margin-top:8px;font-size:14px;color:var(--color-mist);line-height:1.75;}
.entry-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:13.5px;font-weight:600;color:var(--color-track);
}
.entry-more i{font-size:11px;transition:transform .2s ease;}
.entry-card:hover .entry-more i{transform:translateX(4px);}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--color-track);color:#fff;
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(183,240,74,.08) 0 2px,transparent 2px 30px);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:28px;font-weight:800;line-height:1.35;max-width:560px;}
.cta-inner p{margin-top:12px;color:#AFC0B9;font-size:15px;max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--color-track);color:#C6D3CD;padding:64px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-mark{background:var(--color-lime);color:var(--color-track);}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text span{color:#9BAEA6;}
.footer-brand p{font-size:14px;line-height:1.9;color:#AFC0B9;max-width:360px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#C1CFC8;line-height:1.9;transition:color .2s ease;}
.footer-col a:hover{color:var(--color-lime);}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:#C1CFC8;}
.footer-contact i{color:var(--color-lime);width:16px;text-align:center;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8FA29A;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-hero h1{font-size:32px;}
  .rhythm-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:900px){
  .nav-chips{display:none;}
  .header-actions .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:14px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .search-section{padding:36px 0 4px;}
  .search-panel{padding:20px;}
  .search-input-row{flex-direction:column;}
  .search-input-row .btn{width:100%;}
  .cat-hero{padding:28px 0 40px;}
  .cat-hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .section-head h2{font-size:24px;}
  .entry-grid{grid-template-columns:1fr;}
  .faq-answer{padding:0 20px 20px 20px;}
  .faq-item summary{padding:18px 20px;font-size:16px;}
  .rhythm-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .site-footer{padding:48px 0 28px;}
  .cta-inner h2{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}
@media (max-width:520px){
  .logo-text span{display:none;}
  .hero-facts{gap:10px 18px;}
  .hero-facts li{font-size:13px;}
  .anchor-chips{gap:8px;}
  .anchor-chip{padding:0 13px;font-size:13px;}
  .entry-card{flex-direction:column;align-items:flex-start;}
  .entry-card img{width:100%;height:150px;}
  .rhythm-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .btn-text{width:auto;justify-content:center;}
}