/* roulang page: index */
:root{
  --brand-600:#0F8A63;
  --brand-500:#12A576;
  --brand-700:#0E6B4F;
  --brand-900:#0B1F19;
  --lime:#C9F24D;
  --action:#FF6A3D;
  --bg:#F7F6F1;
  --surface:#FFFFFF;
  --ink:#12211C;
  --muted:#5C6B65;
  --line:#E3E1D8;
  --r-card:22px;
  --r-panel:30px;
  --r-pill:9999px;
  --shadow:0 1px 2px rgba(11,31,25,.05), 0 14px 34px -14px rgba(11,31,25,.14);
  --shadow-hover:0 2px 5px rgba(11,31,25,.07), 0 24px 48px -18px rgba(11,31,25,.22);
  --grad:linear-gradient(120deg,#0F8A63 0%,#12A576 48%,#C9F24D 100%);
  --shell:1200px;
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px;
}
::selection{background:rgba(201,242,77,.55);color:var(--brand-900)}

.container{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:rgba(15,138,99,.08);border-bottom:1px solid rgba(15,138,99,.12)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding:6px 0;font-size:13px;color:var(--brand-700)}
.topbar-inner strong{font-weight:700}
.topbar-close{background:none;border:0;color:var(--brand-700);line-height:1;padding:6px;border-radius:8px;transition:background .2s}
.topbar-close:hover{background:rgba(15,138,99,.14)}
.topbar.is-hidden{display:none}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 6px 16px -8px rgba(15,138,99,.7);
}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:-.02em}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.08em}
.nav-links{display:none;align-items:center;gap:26px}
.nav-link{position:relative;font-size:15px;color:var(--ink);padding:6px 0;transition:color .2s}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--brand-600)}
.nav-link:hover::after,.nav-link:focus-visible::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-600);font-weight:700}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-secondary{display:none;font-size:14px;color:var(--muted);transition:color .2s}
.nav-secondary:hover{color:var(--brand-600)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;font-weight:700;
  font-size:15px;padding:0 24px;height:48px;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 24px -14px rgba(15,138,99,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(15,138,99,.9);filter:brightness(.96)}
.btn-primary:active{transform:translateY(0)}
.btn-action{background:var(--action);color:#fff;box-shadow:0 10px 24px -14px rgba(255,106,61,.9)}
.btn-action:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(255,106,61,.95);filter:brightness(.96)}
.btn-action:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-600);background:rgba(15,138,99,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:44px;font-size:14px;padding:0 20px}
.nav-cta{display:none}
.burger{
  width:44px;height:44px;display:grid;place-items:center;background:#fff;
  border:1px solid var(--line);border-radius:14px;transition:border-color .2s,background .2s;
}
.burger:hover{border-color:var(--brand-600);background:rgba(15,138,99,.06)}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.burger span::before{top:-6px}.burger span::after{top:6px}
@media(min-width:1024px){
  .nav{height:72px}
  .nav-links{display:flex}
  .nav-secondary{display:inline-block}
  .nav-cta{display:inline-flex}
  .burger{display:none}
}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,31,25,.42);opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;background:#fff;
  z-index:90;transform:translateX(102%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;box-shadow:-18px 0 40px -24px rgba(11,31,25,.4);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;display:grid;place-items:center;font-size:18px;color:var(--muted)}
.drawer-close:hover{color:var(--brand-600);border-color:var(--brand-600)}
.drawer-body{padding:8px 20px 20px;overflow-y:auto;flex:1}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:52px;font-size:15px;border-bottom:1px solid var(--line);color:var(--ink);transition:color .2s}
.drawer-link:hover{color:var(--brand-600)}
.drawer-link.is-active{color:var(--brand-600);font-weight:700}
.drawer-link span{color:var(--brand-600);font-size:13px}
.drawer-foot{padding:16px 20px 28px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:44px 0 56px}
.hero::before{
  content:"";position:absolute;top:-160px;right:-120px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%, rgba(201,242,77,.34), rgba(18,165,118,.16) 46%, rgba(247,246,241,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;gap:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand-700);background:rgba(15,138,99,.09);border:1px solid rgba(15,138,99,.18);
  border-radius:var(--r-pill);padding:6px 14px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.28)}
.hero h1{
  margin-top:18px;font-size:30px;line-height:1.3;font-weight:800;letter-spacing:-.02em;
}
.hero h1 em{font-style:normal;color:var(--brand-600)}
.hero-sub{margin-top:16px;color:var(--muted);font-size:15px;line-height:1.9;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.badge-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:28px}
.badge{
  display:flex;align-items:center;gap:8px;padding:9px 14px;border-radius:var(--r-pill);
  background:rgba(15,138,99,.07);border:1px solid rgba(15,138,99,.2);font-size:12px;color:var(--brand-700);
}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--lime);flex-shrink:0}
.badge b{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:14px;color:var(--brand-900)}
.hero-visual{position:relative;border-radius:var(--r-panel);overflow:hidden;box-shadow:var(--shadow);background:#dfe6e1}
.hero-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.hero-visual::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,31,25,.06),rgba(11,31,25,.34));
}
.float-card{
  position:absolute;left:16px;bottom:16px;right:16px;z-index:2;background:rgba(255,255,255,.96);
  border-radius:18px;padding:14px 16px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px;
}
.float-card .num{font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums}
.float-card .txt{font-size:12px;color:var(--muted);line-height:1.6}
.float-chip{
  position:absolute;top:16px;right:16px;z-index:2;background:var(--brand-900);color:#fff;
  border-radius:var(--r-pill);font-size:12px;padding:7px 14px;display:flex;align-items:center;gap:7px;
}
.float-chip i{width:6px;height:6px;border-radius:50%;background:var(--lime)}
@media(min-width:768px){
  .hero h1{font-size:38px}
  .hero-sub{font-size:16px}
  .badge-row{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media(min-width:1024px){
  .hero{padding:64px 0 80px}
  .hero-grid{grid-template-columns:1fr 1fr;gap:44px;align-items:center}
  .hero h1{font-size:44px}
}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-title{font-size:24px;font-weight:800;letter-spacing:-.02em;line-height:1.35}
.section-title small{display:block;font-size:13px;color:var(--brand-600);font-weight:700;letter-spacing:.08em;margin-bottom:8px}
.section-desc{color:var(--muted);font-size:15px;max-width:560px;margin-top:10px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-600);transition:gap .2s,color .2s}
.link-more:hover{gap:12px;color:var(--brand-700)}
@media(min-width:1024px){.section{padding:88px 0}}

/* ---------- 主张条 ---------- */
.claim-strip{display:grid;gap:16px}
.claim{
  display:flex;gap:14px;align-items:flex-start;padding:18px 20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.claim:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,138,99,.3)}
.claim-icon{width:40px;height:40px;border-radius:12px;background:rgba(15,138,99,.1);display:grid;place-items:center;flex-shrink:0}
.claim-icon svg{width:20px;height:20px;stroke:var(--brand-600)}
.claim h3{font-size:15px;font-weight:800;letter-spacing:-.01em}
.claim p{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.7}
@media(min-width:900px){.claim-strip{grid-template-columns:repeat(3,1fr);gap:20px}}

/* ---------- 故事区 ---------- */
.story-grid{display:grid;gap:24px}
.story-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);
  overflow:hidden;box-shadow:var(--shadow);
}
.story-main figure{margin:0;position:relative}
.story-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.story-main .body{padding:22px}
.story-main h3{font-size:21px;font-weight:800;line-height:1.4;letter-spacing:-.02em}
.story-main p{color:var(--muted);font-size:14px;margin-top:10px}
.point-list{margin-top:18px;display:grid;gap:10px}
.point-list li{display:flex;gap:10px;font-size:14px;color:var(--ink);line-height:1.7}
.point-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);
  flex-shrink:0;margin-top:9px;box-shadow:0 0 0 3px rgba(201,242,77,.25);
}
.story-side{display:grid;gap:16px}
.mini-card{
  display:flex;gap:14px;padding:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,138,99,.3)}
.mini-card img{width:88px;height:88px;border-radius:14px;object-fit:cover;flex-shrink:0}
.mini-card h3{font-size:15px;font-weight:800;line-height:1.45}
.mini-card p{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7}
@media(min-width:900px){
  .story-grid{grid-template-columns:7fr 5fr;gap:28px}
  .story-main .body{padding:28px}
}

/* ---------- 精选内容卡 ---------- */
.feature-grid{display:grid;gap:20px}
.feature-main{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-panel);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.feature-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,138,99,.3)}
.feature-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-main .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.pill{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12px;font-weight:700;color:var(--brand-700);background:rgba(15,138,99,.1);
  border:1px solid rgba(15,138,99,.18);border-radius:var(--r-pill);padding:4px 12px;
}
.feature-main h3{font-size:21px;font-weight:800;line-height:1.45;letter-spacing:-.02em}
.feature-main p{font-size:14px;color:var(--muted)}
.feature-main .arrow{margin-top:auto;font-size:14px;font-weight:700;color:var(--brand-600);display:inline-flex;gap:6px;transition:gap .2s}
.feature-main:hover .arrow{gap:12px}
.feature-side{display:grid;gap:16px}
.feature-slim{
  display:flex;gap:14px;padding:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.feature-slim:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,138,99,.3)}
.feature-slim img{width:104px;height:104px;border-radius:14px;object-fit:cover;flex-shrink:0}
.feature-slim h3{font-size:16px;font-weight:800;line-height:1.45}
.feature-slim p{font-size:13px;color:var(--muted);margin-top:6px}
@media(min-width:900px){
  .feature-grid{grid-template-columns:7fr 5fr;gap:24px}
}

/* ---------- 最新信息 ---------- */
.latest-grid{display:grid;gap:24px}
.latest-aside{
  background:linear-gradient(160deg,rgba(15,138,99,.1),rgba(201,242,77,.14));
  border:1px solid rgba(15,138,99,.16);border-radius:var(--r-panel);padding:24px;
}
.latest-aside h3{font-size:19px;font-weight:800;line-height:1.5;letter-spacing:-.02em}
.latest-aside p{font-size:14px;color:var(--muted);margin-top:10px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{font-size:12px;color:var(--brand-700);background:rgba(255,255,255,.72);border:1px solid rgba(15,138,99,.22);border-radius:var(--r-pill);padding:5px 12px}
.latest-list{display:grid;gap:14px}
.post-item{
  display:flex;gap:16px;padding:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,138,99,.3)}
.post-thumb{width:120px;height:88px;border-radius:14px;object-fit:cover;flex-shrink:0}
.post-body{min-width:0;display:flex;flex-direction:column;gap:6px}
.post-body h3{font-size:16px;font-weight:800;line-height:1.5;transition:color .2s}
.post-item:hover .post-body h3{color:var(--brand-600)}
.post-body .excerpt{
  font-size:13px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin-top:2px}
.post-cat{color:var(--brand-700);background:rgba(15,138,99,.1);border-radius:var(--r-pill);padding:2px 10px;font-weight:600}
.post-arrow{margin-left:auto;color:var(--brand-600);font-weight:700;transition:transform .2s}
.post-item:hover .post-arrow{transform:translateX(4px)}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:rgba(255,255,255,.6);
  padding:36px 24px;text-align:center;color:var(--muted);font-size:14px;
}
.empty-state svg{width:34px;height:34px;stroke:var(--brand-600);margin:0 auto 10px}
.empty-state .btn{margin-top:16px}
@media(min-width:900px){
  .latest-grid{grid-template-columns:4fr 8fr;align-items:start;gap:28px}
}

/* ---------- 信任 ---------- */
.trust-badges{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.trust-badge{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--shadow);transition:transform .24s ease,border-color .24s ease;
}
.trust-badge:hover{transform:translateY(-3px);border-color:rgba(15,138,99,.3)}
.trust-badge .num{font-family:var(--font-mono);font-size:26px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1.2}
.trust-badge .lbl{font-size:13px;color:var(--muted);margin-top:6px}
.partner-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px}
.partner{
  display:grid;place-items:center;height:70px;border:1px solid var(--line);border-radius:16px;
  background:#fff;font-size:13px;color:var(--muted);filter:grayscale(1);transition:filter .28s,color .28s,border-color .28s,transform .24s;
}
.partner:hover{filter:grayscale(0);color:var(--brand-700);border-color:rgba(15,138,99,.35);transform:translateY(-2px)}
.voice-grid{display:grid;gap:16px;margin-top:24px}
.voice{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow);
}
.voice .quote{
  position:absolute;top:14px;right:18px;font-size:40px;line-height:1;color:rgba(15,138,99,.16);font-family:Georgia,serif;
}
.voice p{font-size:14px;line-height:1.85;color:var(--ink)}
.voice .who{margin-top:14px;font-size:12px;color:var(--muted);display:flex;align-items:center;gap:8px}
.voice .who i{width:6px;height:6px;border-radius:50%;background:var(--lime)}
@media(min-width:768px){
  .trust-badges{grid-template-columns:repeat(4,minmax(0,1fr))}
  .partner-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .voice-grid{grid-template-columns:repeat(2,1fr)}
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);overflow:hidden;transition:border-color .24s;
}
.faq-item[open]{border-color:rgba(15,138,99,.34)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;padding:18px 52px 18px 24px;
  font-size:15px;font-weight:700;line-height:1.6;display:flex;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--brand-600);opacity:0;transition:opacity .24s;
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--brand-600);transition:transform .26s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:var(--r-panel);overflow:hidden;background:var(--grad);
  padding:32px 24px;box-shadow:0 24px 50px -26px rgba(15,138,99,.7);
}
.cta-band::after{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.16;mix-blend-mode:luminosity;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;gap:24px}
.cta-inner h2{font-size:24px;font-weight:800;color:#fff;line-height:1.35;letter-spacing:-.02em}
.cta-inner p{color:rgba(255,255,255,.92);font-size:14px;margin-top:10px;max-width:460px}
.cta-form{display:grid;gap:12px}
.cta-form .field-row{display:grid;gap:10px}
.cta-form input[type=email]{
  height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.5);background:rgba(255,255,255,.96);
  padding:0 16px;font-size:14px;color:var(--ink);width:100%;
  transition:border-color .2s,box-shadow .2s;
}
.cta-form input[type=email]::placeholder{color:#8a9691}
.cta-form input[type=email]:focus{
  outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.32);
}
.cta-form .btn{width:100%}
.consent{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:rgba(255,255,255,.9);line-height:1.7}
.consent input{margin-top:3px;width:14px;height:14px;accent-color:var(--brand-900);flex-shrink:0}
@media(min-width:768px){
  .cta-band{padding:48px 40px}
  .cta-inner{grid-template-columns:1fr 1fr;align-items:center;gap:40px}
  .cta-inner h2{font-size:30px}
  .cta-form .field-row{grid-template-columns:1fr auto;align-items:center}
  .cta-form .btn{width:auto;padding:0 28px}
}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--brand-900);color:#cfdad5;margin-top:0}
.footer-stripe{height:6px;background:var(--grad)}
.footer-main{display:grid;gap:32px;padding:44px 0 32px}
.footer-brand b{font-size:17px;color:#fff;font-weight:800;letter-spacing:-.01em;display:block}
.footer-brand p{font-size:13px;line-height:1.8;color:#9db0a9;margin-top:10px;max-width:320px}
.footer-sub{display:flex;gap:8px;margin-top:16px}
.footer-sub input{
  flex:1;min-width:0;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:13px;
}
.footer-sub input::placeholder{color:#8ba09a}
.footer-sub input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.22)}
.footer-sub button{
  height:42px;padding:0 16px;border-radius:12px;border:0;background:var(--lime);color:var(--brand-900);
  font-size:13px;font-weight:800;transition:filter .2s,transform .2s;
}
.footer-sub button:hover{filter:brightness(.94);transform:translateY(-1px)}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-col li+li{margin-top:10px}
.footer-col a,.footer-col span{font-size:14px;color:#a9bbb5;transition:color .2s}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:12px;color:#8ba09a;
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#cfdad5;font-size:12px;border-radius:var(--r-pill);
  padding:7px 14px;transition:border-color .2s,color .2s,transform .2s;
}
.to-top:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
@media(min-width:768px){
  .footer-main{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding:56px 0 40px}
}
@media(max-width:768px){
  .section{padding:48px 0}
  .hero{padding:36px 0 44px}
  .post-item{flex-direction:column}
  .post-thumb{width:100%;height:150px}
  .post-arrow{margin-left:0}
}

/* roulang page: article */
:root{
  --brand-500:#12A576;
  --brand-600:#0F8A63;
  --brand-700:#0E6B4F;
  --brand-900:#0B1F19;
  --lime:#C9F24D;
  --action:#FF6A3D;
  --bg:#F7F6F1;
  --surface:#FFFFFF;
  --ink:#12211C;
  --muted:#5C6B65;
  --line:#E3E1D8;
  --radius-card:22px;
  --radius-lg:30px;
  --radius-pill:9999px;
  --shadow-card:0 1px 2px rgba(11,31,25,.05), 0 14px 34px -14px rgba(11,31,25,.14);
  --shadow-hover:0 2px 4px rgba(11,31,25,.06), 0 22px 44px -18px rgba(11,31,25,.22);
  --grad:linear-gradient(120deg,#0F8A63 0%,#12A576 48%,#C9F24D 100%);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;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,p,figure{margin:0}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,#0F8A63 0%,#12A576 55%,#0E6B4F 100%);
  box-shadow:0 10px 20px -12px rgba(15,138,99,.9);
}
.logo-mark svg{width:21px;height:21px}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text b{font-size:19px;font-weight:800;letter-spacing:-.02em}
.logo-text span{font-family:var(--font-mono);font-size:9px;letter-spacing:.18em;color:var(--muted);margin-top:4px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;color:var(--ink);padding:6px 0;transition:color .2s ease;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;border-radius:2px;
}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-700);font-weight:600}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-secondary{font-size:14px;color:var(--muted);transition:color .2s ease}
.nav-secondary:hover{color:var(--brand-600)}
.burger{
  display:none;position:relative;width:44px;height:44px;border-radius:13px;
  border:1px solid var(--line);background:#fff;z-index:80;transition:border-color .2s ease,background .2s ease;
}
.burger:hover{border-color:var(--brand-600);background:rgba(15,138,99,.06)}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transform:translateX(-50%);transition:transform .25s ease,opacity .2s ease;
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";top:-6px;left:0;transform:none}
.burger span::after{content:"";top:6px;left:0;transform:none}
body.nav-open .burger span{background:transparent}
body.nav-open .burger span::before{transform:translateY(6px) rotate(45deg)}
body.nav-open .burger span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 12px 24px -14px rgba(15,138,99,.95)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:0 18px 30px -16px rgba(15,138,99,1)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-600);background:rgba(15,138,99,.08);color:var(--brand-700);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-action{background:var(--action);color:#fff;box-shadow:0 12px 24px -14px rgba(255,106,61,.9)}
.btn-action:hover{filter:brightness(.96);transform:translateY(-2px)}
.btn-sm{height:44px;padding:0 20px;font-size:14px}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted);transition:color .2s ease}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:#C3C0B4}
.crumb .current{color:var(--brand-600);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{padding:20px 0 0}
.head-inner{max-width:820px}
.cat-pill{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;
  border-radius:var(--radius-pill);background:rgba(15,138,99,.09);
  border:1px solid rgba(15,138,99,.22);color:var(--brand-700);
  font-size:12.5px;font-weight:600;letter-spacing:.01em;
}
.cat-pill i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.article-title{
  margin-top:16px;font-size:26px;line-height:1.35;font-weight:800;letter-spacing:-.02em;
  word-break:break-word;
}
@media (min-width:768px){.article-title{font-size:32px}}
@media (min-width:1024px){.article-title{font-size:34px}}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:18px;font-size:13px;color:var(--muted);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C9C6BA}
.meta-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--ink)}
.share-group{display:flex;align-items:center;gap:10px;margin-left:auto}
.share-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:34px;padding:0 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;font-size:12.5px;color:var(--muted);
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.share-btn:hover{border-color:var(--brand-600);color:var(--brand-700);background:rgba(15,138,99,.07);transform:translateY(-1px)}
.cover-figure{margin:26px 0 0;border-radius:24px;overflow:hidden;background:#EDEBE3;border:1px solid var(--line)}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- article layout ---------- */
.article-main{padding:40px 0 0}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:36px}
@media (min-width:1024px){
  .article-grid{grid-template-columns:minmax(0,1fr) 300px;gap:48px}
}
.article-body{
  max-width:760px;font-size:17px;line-height:1.95;color:var(--ink);
  word-break:break-word;overflow-wrap:anywhere;
}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:22px;font-weight:800;letter-spacing:-.02em;
  margin:40px 0 16px;padding-left:16px;line-height:1.5;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,#0F8A63,#C9F24D);
}
.article-body h3{font-size:19px;font-weight:700;margin:28px 0 12px;letter-spacing:-.01em}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px;line-height:1.9}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body ul li,.article-body ol li{margin-bottom:8px}
.article-body strong{font-weight:700;color:#0B1F19}
.article-body a{color:var(--brand-700);border-bottom:1px solid rgba(15,138,99,.35);transition:color .2s ease,border-color .2s ease}
.article-body a:hover{color:var(--brand-600);border-color:var(--brand-600)}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;border-left:3px solid var(--brand-600);
  background:rgba(15,138,99,.06);border-radius:0 14px 14px 0;color:#22352D;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.article-body thead th{background:rgba(15,138,99,.1);color:#0B1F19;font-weight:700}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-top:1px solid var(--line)}
.article-body thead th{border-top:0}
.article-body tbody tr:nth-child(even){background:#FBFAF6}
.article-body code{
  font-family:var(--font-mono);font-size:14px;background:rgba(15,138,99,.1);
  padding:2px 6px;border-radius:6px;color:var(--brand-700);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* empty state */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:#FCFBF7;padding:48px 24px;text-align:center;
}
.empty-state svg{width:38px;height:38px;margin:0 auto 14px;color:#B9B6A8}
.empty-state p{font-size:14.5px;color:var(--muted);margin-bottom:18px}

/* ---------- sidebar ---------- */
.side{display:none}
@media (min-width:1024px){
  .side{display:block;position:sticky;top:96px;align-self:start}
}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-card);margin-bottom:20px;
}
.side-card h3{font-size:14px;font-weight:800;letter-spacing:.02em;margin-bottom:14px;color:#0B1F19}
.side-list li+li{margin-top:4px}
.side-list a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;
  font-size:14px;color:var(--ink);transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-list a:hover{background:rgba(15,138,99,.08);color:var(--brand-700);transform:translateX(3px)}
.side-list .idx{
  font-family:var(--font-mono);font-size:12px;color:var(--brand-600);
  background:rgba(15,138,99,.1);border-radius:6px;padding:1px 6px;flex:0 0 auto;
}
.side-cta{
  background:linear-gradient(150deg,#0F8A63 0%,#12A576 55%,#0E6B4F 100%);
  border-radius:var(--radius-card);padding:24px;color:#fff;box-shadow:var(--shadow-card);
}
.side-cta b{display:block;font-size:16px;font-weight:800;margin-bottom:8px;letter-spacing:-.01em}
.side-cta p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.82);margin-bottom:16px}
.side-cta .btn{width:100%;height:42px;font-size:14px;background:#fff;color:var(--brand-700)}
.side-cta .btn:hover{background:var(--lime);color:#0B1F19;transform:translateY(-2px)}
.side-note{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:12px;color:rgba(255,255,255,.75)}
.side-note i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;flex:0 0 auto}

/* ---------- tags + post nav ---------- */
.footer-block{max-width:760px;margin-top:44px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.tag:hover{border-color:var(--brand-600);color:var(--brand-700);background:rgba(15,138,99,.07);transform:translateY(-2px)}
.post-nav{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  margin-top:32px;padding-top:24px;border-top:1px solid var(--line);
}
.post-nav-link{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink);transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.post-nav-link:hover{border-color:var(--brand-600);color:var(--brand-700);background:rgba(15,138,99,.07);transform:translateY(-2px)}
.post-nav-link .arrow{transition:transform .2s ease}
.post-nav-link:hover .arrow{transform:translateX(4px)}

/* ---------- related ---------- */
.section{padding:64px 0 0}
@media (min-width:1024px){.section{padding:96px 0 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.section-title{font-size:23px;font-weight:800;letter-spacing:-.02em}
@media (min-width:768px){.section-title{font-size:28px}}
.section-sub{font-size:14px;color:var(--muted);margin-top:8px;max-width:640px}
.link-more{font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease,color .2s ease}
.link-more:hover{gap:10px;color:var(--brand-700)}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rcard{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,138,99,.3)}
.rcard-media{aspect-ratio:16/10;background:#EDEBE3;overflow:hidden}
.rcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rcard:hover .rcard-media img{transform:scale(1.04)}
.rcard-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard-tag{font-size:12px;color:var(--brand-700);font-weight:600;letter-spacing:.02em}
.rcard-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.rcard:hover .rcard-title{color:var(--brand-600)}
.rcard-desc{font-size:13.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;font-size:12.5px;color:var(--muted)}
.rcard-foot .arrow{color:var(--brand-600);transition:transform .2s ease}
.rcard:hover .rcard-foot .arrow{transform:translateX(4px)}

/* ---------- CTA ---------- */
.cta-wrap{padding:64px 0 0}
@media (min-width:1024px){.cta-wrap{padding:96px 0 0}}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,#0F8A63 0%,#12A576 48%,#C9F24D 100%);
  padding:36px 24px;box-shadow:var(--shadow-card);
}
@media (min-width:768px){.cta-card{padding:48px}}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.14;mix-blend-mode:overlay;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.1fr .9fr;gap:40px}}
.cta-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--radius-pill);
  background:rgba(11,31,25,.22);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:12px;font-weight:600;
}
.cta-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.cta-title{margin-top:14px;font-size:24px;line-height:1.35;font-weight:800;color:#fff;letter-spacing:-.02em}
@media (min-width:768px){.cta-title{font-size:30px}}
.cta-desc{margin-top:12px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.88);max-width:440px}
.cta-form{background:rgba(255,255,255,.96);border-radius:20px;padding:22px;box-shadow:0 20px 40px -24px rgba(11,31,25,.5)}
.cta-form label{display:block;font-size:12.5px;font-weight:700;color:var(--ink);margin-bottom:7px}
.cta-form input{
  width:100%;height:48px;padding:0 15px;border-radius:12px;border:1px solid var(--line);
  background:#fff;font-size:14px;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:#9AA5A0}
.cta-form input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(15,138,99,.12)}
.cta-form .field+.field{margin-top:14px}
.cta-form .btn{width:100%;margin-top:18px;background:var(--action);color:#fff}
.cta-form .btn:hover{filter:brightness(.95);transform:translateY(-2px)}
.cta-note{font-size:11.5px;color:var(--muted);line-height:1.7;margin-top:12px}
.cta-note a{color:var(--brand-700);text-decoration:underline;text-underline-offset:2px}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--brand-900);color:#D7E3DE;margin-top:80px}
.footer-stripe{height:6px;background:linear-gradient(120deg,#0F8A63 0%,#12A576 48%,#C9F24D 100%)}
.footer-main{display:grid;grid-template-columns:1fr;gap:34px;padding:52px 0 36px}
@media (min-width:640px){.footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-main{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
.footer-brand b{display:block;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-.01em}
.footer-brand p{font-size:14px;line-height:1.9;color:#A9BDB6;max-width:380px;margin-bottom:20px}
.footer-sub{display:flex;gap:8px;max-width:360px}
.footer-sub input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:12px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-sub input::placeholder{color:#8FA79F}
.footer-sub input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.16)}
.footer-sub button{
  height:44px;padding:0 18px;border-radius:12px;background:var(--lime);color:#0B1F19;
  font-size:14px;font-weight:700;transition:transform .2s ease,filter .2s ease;
}
.footer-sub button:hover{filter:brightness(.95);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a,.footer-col span{font-size:14px;color:#A9BDB6;transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8FA79F;
}
.to-top{
  font-size:13px;color:#D7E3DE;border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius-pill);padding:8px 16px;transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.to-top:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}

/* ---------- mobile nav ---------- */
@media (max-width:1023px){
  .nav{height:64px}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:84px 22px 28px;transform:translateX(105%);
    transition:transform .32s cubic-bezier(.4,0,.2,1);
    box-shadow:-24px 0 44px -26px rgba(11,31,25,.35);z-index:70;overflow-y:auto;
  }
  body.nav-open .nav-links{transform:translateX(0)}
  body.nav-open::after{
    content:"";position:fixed;inset:0;background:rgba(11,31,25,.34);z-index:55;
  }
  .nav-link{
    display:flex;align-items:center;height:52px;padding:0;font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none}
  .nav-secondary{display:none}
  .burger{display:block}
  .logo-text b{font-size:17px}
  .meta-row .share-group{margin-left:0;width:100%}
}
@media (max-width:519px){
  .article-title{font-size:23px}
  .article-body{font-size:16.5px}
  .post-nav{flex-direction:column;align-items:stretch}
  .post-nav-link{justify-content:center}
  .cta-form{padding:18px}
  .logo-text span{display:none}
}

/* roulang page: category1 */
:root{
    --brand-500:#12A576;
    --brand-600:#0F8A63;
    --brand-700:#0E6B4F;
    --brand-900:#0B1F19;
    --lime:#C9F24D;
    --action:#FF6A3D;
    --bg:#F7F6F1;
    --surface:#FFFFFF;
    --ink:#12211C;
    --muted:#5C6B65;
    --line:#E3E1D8;
    --radius-card:22px;
    --radius-block:30px;
    --shadow:0 1px 2px rgba(11,31,25,.05), 0 14px 34px -14px rgba(11,31,25,.14);
    --shadow-hover:0 2px 4px rgba(11,31,25,.06), 0 22px 44px -18px rgba(11,31,25,.22);
    --grad:linear-gradient(120deg,#0F8A63 0%,#12A576 48%,#C9F24D 100%);
    --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);
    font-size:16px;line-height:1.8;overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }
  body.no-scroll{overflow:hidden}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}
  a{color:var(--brand-700);text-decoration:none;transition:color .2s ease}
  a:hover{color:var(--brand-600)}
  img{display:block;max-width:100%}
  button{font-family:inherit}
  :focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:8px}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media(min-width:1024px){.container{padding:0 32px}}

  /* ---------- header ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;gap:18px;height:64px}
  @media(min-width:1024px){.nav{height:72px;gap:28px}}
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
  .logo:hover{color:var(--ink)}
  .logo-mark{width:40px;height:40px;border-radius:12px;background:var(--grad);display:grid;place-items:center;box-shadow:var(--shadow);flex:0 0 auto}
  .logo-mark svg{width:22px;height:22px}
  .logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
  .logo-text b{font-size:16px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
  .logo-text span{font-size:9px;letter-spacing:.14em;color:var(--muted);font-family:var(--mono);white-space:nowrap}
  @media(min-width:1024px){.logo-text b{font-size:17px}.logo-text span{font-size:10px}}
  .nav-links{display:none}
  @media(min-width:1024px){.nav-links{display:flex;align-items:center;gap:26px;margin-left:10px}}
  .nav-link{position:relative;display:inline-block;font-size:15px;color:var(--ink);padding:6px 0;white-space:nowrap;font-weight:500}
  .nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
  .nav-link:hover{color:var(--brand-600)}
  .nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--brand-700);font-weight:700}
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
  .nav-secondary{display:none;font-size:14px;color:var(--muted)}
  .nav-secondary:hover{color:var(--brand-600)}
  .nav-cta{display:none}
  @media(min-width:1024px){
    .nav-secondary{display:inline-flex}
    .nav-cta{display:inline-flex}
  }
  .burger{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
    display:inline-flex;align-items:center;justify-content:center;cursor:pointer;position:relative;
    transition:border-color .2s,background-color .2s;
  }
  .burger:hover{border-color:var(--brand-600);background:rgba(15,138,99,.06)}
  .burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;transition:background-color .2s}
  .burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease}
  .burger span::before{top:-6px}
  .burger span::after{top:6px}
  @media(min-width:1024px){.burger{display:none}}

  /* ---------- drawer ---------- */
  .drawer{position:fixed;inset:0;z-index:90;pointer-events:none}
  .drawer::before{content:"";position:absolute;inset:0;background:rgba(11,31,25,.45);opacity:0;transition:opacity .28s ease}
  .drawer-panel{
    position:absolute;top:0;right:0;height:100%;width:86%;max-width:340px;background:#fff;
    padding:18px 18px 28px;display:flex;flex-direction:column;gap:14px;overflow-y:auto;
    transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  }
  .drawer.is-open{pointer-events:auto}
  .drawer.is-open::before{opacity:1}
  .drawer.is-open .drawer-panel{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--line)}
  .drawer-title{font-size:15px;font-weight:800;letter-spacing:-.01em}
  .drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--ink);cursor:pointer;display:grid;place-items:center}
  .drawer-close:hover{border-color:var(--brand-600);color:var(--brand-700)}
  .drawer-nav{display:flex;flex-direction:column}
  .drawer-nav a{display:flex;align-items:center;min-height:52px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line);font-weight:500}
  .drawer-nav a:hover{color:var(--brand-600)}
  .drawer-nav a.is-active{color:var(--brand-700);font-weight:700}
  .drawer-cta{width:100%;margin-top:8px}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
    border-radius:9999px;border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;
    white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
  }
  .btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);filter:brightness(.96);color:#fff}
  .btn-primary:active{transform:translateY(0);filter:brightness(.92)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--brand-600);background:rgba(15,138,99,.08);color:var(--brand-700);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-sm{height:44px;padding:0 20px;font-size:14px}
  .btn-accent{background:var(--action);color:#fff;box-shadow:var(--shadow)}
  .btn-accent:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);filter:brightness(.96);color:#fff}

  /* ---------- breadcrumb ---------- */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:13px;color:var(--muted);padding-top:20px}
  .crumb a{color:var(--muted)}
  .crumb a:hover{color:var(--brand-600)}
  .crumb .sep{color:#bcc2b7}
  .crumb .current{color:var(--brand-700);font-weight:700}

  /* ---------- hero ---------- */
  .hero{position:relative;padding:26px 0 48px;overflow:hidden}
  .hero::before{
    content:"";position:absolute;top:-160px;right:-140px;width:520px;height:520px;border-radius:50%;
    background:radial-gradient(circle at 30% 30%,rgba(18,165,118,.20),rgba(201,242,77,.14) 55%,rgba(247,246,241,0) 72%);
    pointer-events:none;
  }
  .hero-grid{position:relative;display:grid;gap:28px}
  @media(min-width:1024px){.hero-grid{grid-template-columns:1fr 1fr;gap:48px;align-items:center}}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-700);
    background:rgba(15,138,99,.08);border:1px solid rgba(15,138,99,.18);border-radius:9999px;padding:6px 14px;
  }
  .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.32);flex:0 0 auto}
  .hero h1{font-size:29px;line-height:1.28;font-weight:800;letter-spacing:-.02em;margin-top:16px}
  @media(min-width:768px){.hero h1{font-size:38px}}
  @media(min-width:1024px){.hero h1{font-size:42px}}
  .hero-sub{margin-top:14px;font-size:16px;line-height:1.85;color:var(--muted);max-width:34em}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
  .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .badge{
    display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:9999px;
    background:rgba(15,138,99,.07);border:1px solid rgba(15,138,99,.2);
    font-size:12px;color:var(--brand-700);font-weight:600;
  }
  .badge b{font-family:var(--mono);font-size:14px;font-variant-numeric:tabular-nums;color:var(--brand-900)}
  .badge .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);flex:0 0 auto}
  .hero-media{position:relative;border-radius:28px;overflow:hidden;background:#e7ece4;box-shadow:var(--shadow);aspect-ratio:4/3}
  .hero-media img{width:100%;height:100%;object-fit:cover}
  .hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,31,25,0) 55%,rgba(11,31,25,.28) 100%);pointer-events:none}
  .float-badge{
    position:absolute;z-index:2;display:inline-flex;align-items:center;gap:8px;
    background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:9999px;
    padding:8px 14px;box-shadow:var(--shadow);font-size:12px;color:var(--brand-900);font-weight:700;
  }
  .float-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--lime)}
  .float-badge em{font-style:normal;font-weight:500;color:var(--muted);font-size:12px}
  .float-badge b{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:14px}
  .float-a{left:16px;bottom:16px}
  .float-b{right:16px;top:16px}

  /* ---------- sections ---------- */
  .section{padding:44px 0}
  @media(min-width:1024px){.section{padding:72px 0}}
  .section-tint{background:linear-gradient(180deg,rgba(15,138,99,.06),rgba(15,138,99,.02))}
  .section-head{max-width:720px;margin-bottom:30px}
  .kicker{font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.1em;margin-bottom:8px}
  h2{font-size:23px;font-weight:800;letter-spacing:-.02em;line-height:1.32}
  @media(min-width:768px){h2{font-size:30px}}
  .section-head p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted)}

  /* ---------- specs ---------- */
  .spec-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
  @media(min-width:768px){.spec-strip{grid-template-columns:repeat(4,1fr);gap:16px}}
  .spec-item{
    background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 14px;text-align:center;
    box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .spec-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,138,99,.3)}
  .spec-num{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.3}
  @media(min-width:768px){.spec-num{font-size:28px}}
  .spec-label{font-size:13px;color:var(--muted);margin-top:4px}

  /* ---------- feature rows ---------- */
  .feature-row{display:grid;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
  .feature-row:last-child{border-bottom:0;padding-bottom:0}
  .feature-row:first-child{padding-top:0}
  @media(min-width:900px){
    .feature-row{grid-template-columns:1fr 1fr;gap:48px;padding:30px 0}
    .feature-row.reverse .feature-media{order:2}
  }
  .feature-media{border-radius:var(--radius-card);overflow:hidden;background:#e7ece4;box-shadow:var(--shadow);aspect-ratio:16/10}
  .feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
  .feature-row:hover .feature-media img{transform:scale(1.03)}
  .feature-copy h3{font-size:19px;font-weight:800;letter-spacing:-.01em;margin-bottom:10px}
  @media(min-width:768px){.feature-copy h3{font-size:22px}}
  .feature-copy p{font-size:15px;line-height:1.85;color:var(--muted)}
  .check-list{margin-top:14px;display:grid;gap:8px}
  .check-list li{position:relative;padding-left:22px;font-size:14px;color:var(--ink);line-height:1.7}
  .check-list li::before{
    content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border-radius:3px;
    background:rgba(15,138,99,.14);border:1px solid rgba(15,138,99,.4);
  }

  /* ---------- scene list ---------- */
  .scene-list{display:grid;gap:14px}
  .list-item{
    display:grid;grid-template-columns:1fr;gap:14px;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius-card);padding:16px;box-shadow:var(--shadow);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .list-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,138,99,.3)}
  @media(min-width:680px){
    .list-item{grid-template-columns:152px 1fr;gap:20px;padding:18px;align-items:center}
  }
  .list-thumb{border-radius:14px;overflow:hidden;background:#e7ece4;aspect-ratio:16/9}
  @media(min-width:680px){.list-thumb{height:104px;aspect-ratio:auto}}
  .list-thumb img{width:100%;height:100%;object-fit:cover}
  .list-body{min-width:0}
  .tag{
    display:inline-flex;align-items:center;padding:3px 10px;border-radius:9999px;
    background:rgba(15,138,99,.09);color:var(--brand-700);font-size:12px;font-weight:700;
  }
  .list-body h3{font-size:18px;font-weight:700;letter-spacing:-.01em;margin:8px 0 6px;transition:color .2s ease}
  .list-item:hover .list-body h3{color:var(--brand-600)}
  .list-body p{font-size:14px;line-height:1.8;color:var(--muted)}
  .list-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px;font-size:13px;color:var(--muted)}
  .list-meta .arrow{color:var(--brand-600);font-weight:700;transition:transform .2s ease}
  .list-item:hover .list-meta .arrow{transform:translateX(4px)}

  /* ---------- faq ---------- */
  .faq-list{display:grid;gap:12px}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
  .faq-item:hover{border-color:rgba(15,138,99,.3)}
  .faq-item summary{
    position:relative;display:flex;align-items:center;min-height:64px;padding:16px 56px 16px 24px;
    font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
    background:var(--brand-600);opacity:0;transition:opacity .2s ease;
  }
  .faq-item[open] summary::before{opacity:1}
  .faq-item summary::after{
    content:"";position:absolute;right:22px;top:50%;width:12px;height:12px;margin-top:-6px;
    background:
      linear-gradient(var(--brand-600),var(--brand-600)) center/12px 2px no-repeat,
      linear-gradient(var(--brand-600),var(--brand-600)) center/2px 12px no-repeat;
    transition:transform .25s ease;
  }
  .faq-item[open] summary::after{transform:rotate(45deg)}
  .faq-a{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}
  .faq-a p+p{margin-top:10px}

  /* ---------- cta ---------- */
  .cta-card{
    position:relative;overflow:hidden;border-radius:var(--radius-block);background:var(--grad);
    color:#fff;padding:28px;box-shadow:var(--shadow);
  }
  @media(min-width:768px){.cta-card{padding:44px}}
  .cta-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;opacity:.16;pointer-events:none}
  .cta-grid{position:relative;display:grid;gap:26px}
  @media(min-width:900px){.cta-grid{grid-template-columns:1fr 1fr;gap:40px;align-items:center}}
  .cta-card h2{color:#fff}
  .cta-card p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.9);max-width:32em}
  .cta-points{margin-top:18px;display:grid;gap:8px;font-size:14px;color:rgba(255,255,255,.94)}
  .cta-points li{position:relative;padding-left:20px}
  .cta-points li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--lime)}
  .form-card{background:#fff;border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow)}
  @media(min-width:768px){.form-card{padding:26px}}
  .form-card h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:4px}
  .form-card .form-tip{font-size:13px;color:var(--muted);margin-bottom:16px}
  .field{margin-bottom:14px}
  .field label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:6px}
  .input{
    width:100%;height:48px;border-radius:12px;border:1px solid var(--line);background:#fff;
    padding:0 14px;font-size:15px;color:var(--ink);font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .input::placeholder{color:#9aa8a1}
  .input:hover{border-color:#cfd6cb}
  .input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(15,138,99,.12)}
  .consent{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.6;color:var(--muted);margin:2px 0 16px}
  .consent input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand-600);flex:0 0 auto}
  .form-card .btn{width:100%}

  /* ---------- footer ---------- */
  .site-footer{background:var(--brand-900);color:#dfe6e0;margin-top:56px}
  .footer-stripe{height:6px;background:var(--grad)}
  .footer-main{display:grid;gap:30px;padding:44px 0 30px}
  @media(min-width:768px){.footer-main{grid-template-columns:1fr 1fr}}
  @media(min-width:1024px){.footer-main{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding:56px 0 36px}}
  .footer-brand b{display:block;font-size:18px;color:#fff;margin-bottom:10px;letter-spacing:-.01em}
  .footer-brand p{font-size:14px;line-height:1.85;color:#a9bdb3;margin-bottom:16px;max-width:34em}
  .footer-sub{display:flex;gap:8px;flex-wrap:wrap}
  .footer-sub input{
    flex:1 1 160px;min-width:0;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
    background:rgba(255,255,255,.06);color:#fff;padding:0 12px;font-size:14px;font-family:inherit;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .footer-sub input::placeholder{color:#8fa79c}
  .footer-sub input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.16)}
  .footer-sub button{
    height:44px;padding:0 20px;border-radius:12px;border:0;background:var(--lime);color:#0B1F19;
    font-weight:700;font-size:14px;cursor:pointer;transition:transform .2s ease,filter .2s ease;
  }
  .footer-sub button:hover{transform:translateY(-2px);filter:brightness(.96)}
  .footer-sub button:active{transform:translateY(0)}
  .footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:12px}
  .footer-col li{margin-bottom:9px}
  .footer-col a,.footer-col span{font-size:14px;color:#a9bdb3;line-height:1.7}
  .footer-col a:hover{color:var(--lime)}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);padding:16px 0 28px;display:flex;flex-wrap:wrap;
    gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:#8fa79c;
  }
  .to-top{
    height:36px;padding:0 14px;border-radius:9999px;border:1px solid rgba(255,255,255,.18);
    background:rgba(255,255,255,.08);color:#fff;font-size:13px;cursor:pointer;
    transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .to-top:hover{background:rgba(201,242,77,.18);border-color:var(--lime);transform:translateY(-2px)}

  @media(max-width:520px){
    .hero h1{font-size:26px}
    h2{font-size:21px}
    .cta-card{padding:22px}
    .btn{width:100%}
    .hero-actions .btn{width:100%}
    .float-badge{font-size:11px;padding:6px 10px}
  }

/* roulang page: category2 */
:root{
    --brand-500:#12A576;
    --brand-600:#0F8A63;
    --brand-700:#0E6B4F;
    --brand-900:#0B1F19;
    --lime:#C9F24D;
    --action:#FF6A3D;
    --bg:#F7F6F1;
    --surface:#FFFFFF;
    --ink:#12211C;
    --muted:#5C6B65;
    --line:#E3E1D8;
    --grad:linear-gradient(120deg,#0F8A63 0%,#12A576 48%,#C9F24D 100%);
    --radius-card:22px;
    --radius-panel:30px;
    --shadow-card:0 1px 2px rgba(11,31,25,.05),0 14px 34px -14px rgba(11,31,25,.14);
    --shadow-hover:0 2px 4px rgba(11,31,25,.06),0 22px 44px -16px rgba(11,31,25,.22);
    --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
    --font-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
    --gap-section:96px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.8;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;}
  input{font-family:inherit;}
  h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.02em;line-height:1.28;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){.container{padding:0 32px;}}
  .num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}

  /* ============ header / nav ============ */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(255,255,255,.96);
    backdrop-filter:saturate(160%) blur(8px);
    border-bottom:1px solid var(--line);
  }
  .nav{display:flex;align-items:center;gap:22px;height:64px;}
  @media (min-width:1024px){.nav{height:72px;gap:32px;}}
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo-mark{
    width:40px;height:40px;border-radius:13px;
    background:var(--grad);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 8px 18px -10px rgba(15,138,99,.7);
    transition:transform .25s ease;
  }
  .logo-mark svg{width:21px;height:21px;}
  .logo:hover .logo-mark{transform:rotate(-6deg) scale(1.04);}
  .logo-text{display:flex;flex-direction:column;line-height:1.15;}
  .logo-text b{font-size:17px;font-weight:800;letter-spacing:-0.02em;}
  .logo-text span{font-size:9.5px;letter-spacing:.16em;color:var(--muted);font-family:var(--font-mono);}
  .nav-links{display:flex;align-items:center;justify-content:center;gap:26px;flex:1 1 auto;}
  .nav-link{
    position:relative;font-size:15px;color:var(--ink);padding:6px 0;
    transition:color .2s ease;white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
    background:var(--lime);transform:scaleX(0);transform-origin:left;
    transition:transform .25s ease;border-radius:2px;
  }
  .nav-link:hover{color:var(--brand-600);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--brand-600);font-weight:700;}
  .nav-link.is-active::after{transform:scaleX(1);}
  .nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
  .nav-secondary{display:none;font-size:14px;color:var(--muted);transition:color .2s ease;}
  .nav-secondary:hover{color:var(--brand-600);}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:9999px;
    font-size:15px;font-weight:700;border:1px solid transparent;
    transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease,filter .22s ease;
  }
  .btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 22px -14px rgba(15,138,99,.9);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(15,138,99,.95);filter:brightness(.96);}
  .btn-primary:active{transform:translateY(0);filter:brightness(.92);}
  .btn-action{background:var(--action);color:#fff;box-shadow:0 10px 22px -14px rgba(255,106,61,.9);}
  .btn-action:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(255,106,61,.95);filter:brightness(.96);}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--brand-600);background:rgba(15,138,99,.08);color:var(--brand-700);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{height:44px;padding:0 20px;font-size:14px;}
  .burger{
    display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:14px;
    background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
    transition:border-color .2s ease,background .2s ease;
  }
  .burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .2s ease;}
  .burger:hover{border-color:var(--brand-600);background:rgba(15,138,99,.06);}
  .nav-drawer-cta,.nav-drawer-secondary{display:none;}

  @media (max-width:1023px){
    .nav-links{
      position:fixed;top:0;right:0;z-index:90;
      width:min(86vw,340px);height:100vh;
      background:#fff;padding:88px 24px 32px;
      flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
      transform:translateX(105%);
      transition:transform .32s cubic-bezier(.4,0,.2,1);
      box-shadow:-18px 0 50px rgba(11,31,25,.18);
      overflow-y:auto;
    }
    .site-header.nav-open .nav-links{transform:translateX(0);}
    .nav-link{border-bottom:1px solid var(--line);line-height:52px;font-size:15px;padding:0;}
    .nav-link::after{display:none;}
    .nav-link.is-active{color:var(--brand-600);}
    .nav-drawer-cta{display:flex;margin-top:22px;height:48px;width:100%;}
    .nav-drawer-secondary{display:block;margin-top:14px;text-align:center;font-size:14px;color:var(--muted);line-height:44px;}
    .burger{display:flex;}
    .nav-secondary{display:none;}
  }
  @media (min-width:1024px){
    .nav-secondary{display:inline-flex;}
  }

  /* ============ breadcrumbs ============ */
  .crumbs{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--muted);padding:22px 0 0;
  }
  .crumbs a{color:var(--muted);transition:color .2s ease;}
  .crumbs a:hover{color:var(--brand-600);}
  .crumbs .sep{color:#C6C3B7;}
  .crumbs .current{color:var(--brand-600);font-weight:700;}

  /* ============ page hero (centered) ============ */
  .page-hero{position:relative;overflow:hidden;padding:44px 0 56px;}
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    opacity:.10;
  }
  .page-hero::after{
    content:"";position:absolute;left:50%;top:-160px;width:760px;height:420px;
    transform:translateX(-50%);
    background:radial-gradient(closest-side,rgba(18,165,118,.20),rgba(201,242,77,.10),transparent 72%);
    pointer-events:none;
  }
  .page-hero .container{position:relative;z-index:1;}
  .hero-inner{max-width:760px;margin:0 auto;text-align:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;color:var(--brand-700);
    background:rgba(15,138,99,.10);border:1px solid rgba(15,138,99,.20);
    padding:6px 14px;border-radius:9999px;margin-bottom:18px;
  }
  .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:block;}
  .page-hero h1{font-size:clamp(27px,4.6vw,44px);line-height:1.24;margin-bottom:18px;}
  .page-hero h1 em{font-style:normal;color:var(--brand-600);}
  .hero-sub{font-size:15px;color:var(--muted);max-width:640px;margin:0 auto 26px;line-height:1.85;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
  .hero-badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:30px;}
  .badge{
    display:inline-flex;align-items:center;gap:9px;
    background:rgba(15,138,99,.08);border:1px solid rgba(15,138,99,.20);
    border-radius:9999px;padding:9px 16px;font-size:12.5px;color:var(--brand-700);
    transition:transform .22s ease,background .22s ease,border-color .22s ease;
  }
  .badge:hover{transform:translateY(-2px);background:rgba(15,138,99,.13);border-color:rgba(15,138,99,.38);}
  .badge b{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:14px;color:var(--brand-900);}
  .badge i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:block;flex:0 0 auto;}

  /* ============ sections ============ */
  .section{padding:56px 0;}
  @media (min-width:1024px){.section{padding:88px 0;}}
  .section-head{max-width:720px;margin-bottom:30px;}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
  .kicker{
    font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-600);
    display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
  }
  .kicker::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px;}
  .section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3;margin-bottom:12px;}
  .section-head p{font-size:15px;color:var(--muted);line-height:1.85;}

  /* ============ timeline ============ */
  .steps{display:grid;grid-template-columns:1fr;gap:20px;position:relative;}
  @media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr);gap:24px;}}
  @media (min-width:1024px){
    .steps{grid-template-columns:repeat(4,1fr);gap:24px;}
    .steps::before{
      content:"";position:absolute;left:8%;right:8%;top:34px;height:2px;
      background:linear-gradient(90deg,rgba(15,138,99,.35),rgba(201,242,77,.9),rgba(15,138,99,.25));
      border-radius:2px;
    }
  }
  .step{
    position:relative;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);padding:26px 22px 24px;
    box-shadow:var(--shadow-card);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,138,99,.35);}
  .step-dot{
    width:34px;height:34px;border-radius:50%;
    background:rgba(15,138,99,.10);border:2px solid var(--brand-600);
    display:flex;align-items:center;justify-content:center;
    font-family:var(--font-mono);font-size:13px;font-weight:700;color:var(--brand-700);
    margin-bottom:16px;position:relative;z-index:1;background-color:#fff;
  }
  .step h3{font-size:17px;margin-bottom:8px;}
  .step p{font-size:14px;color:var(--muted);line-height:1.8;}

  /* ============ compare cards ============ */
  .compare{display:grid;grid-template-columns:1fr;gap:24px;}
  @media (min-width:900px){.compare{grid-template-columns:1fr 1fr;gap:28px;}}
  .compare-card{
    border-radius:var(--radius-panel);overflow:hidden;
    border:1px solid var(--line);background:var(--surface);
    box-shadow:var(--shadow-card);
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
    display:flex;flex-direction:column;
  }
  .compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .compare-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:#EEEBE1;}
  .compare-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .compare-card:hover figure img{transform:scale(1.04);}
  .compare-body{padding:26px 24px 28px;}
  .compare-body h3{font-size:19px;margin-bottom:14px;display:flex;align-items:center;gap:10px;}
  .tagline{
    display:inline-flex;align-items:center;font-size:12px;font-weight:700;
    padding:4px 11px;border-radius:9999px;font-family:var(--font-mono);
  }
  .compare-card.light .tagline{background:rgba(92,107,101,.12);color:var(--muted);}
  .compare-card.dark{
    background:var(--brand-900);border-color:rgba(201,242,77,.35);color:#EDF3EF;
  }
  .compare-card.dark .tagline{background:rgba(201,242,77,.18);color:var(--lime);}
  .compare-list li{
    position:relative;padding-left:24px;font-size:14.5px;line-height:1.85;margin-bottom:10px;color:var(--muted);
  }
  .compare-card.dark .compare-list li{color:rgba(237,243,239,.82);}
  .compare-list li::before{
    content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:3px;
    background:rgba(15,138,99,.25);
  }
  .compare-card.dark .compare-list li::before{background:var(--lime);}
  .compare-list li strong{color:var(--ink);font-weight:700;}
  .compare-card.dark .compare-list li strong{color:#fff;}

  /* ============ quote ============ */
  .quote-card{
    position:relative;background:var(--surface);border:1px solid var(--line);
    border-left:4px solid var(--brand-600);
    border-radius:var(--radius-card);padding:32px 26px;
    box-shadow:var(--shadow-card);
  }
  @media (min-width:768px){.quote-card{padding:40px 44px;}}
  .quote-card .mark{
    font-family:var(--font-mono);font-size:44px;line-height:1;color:rgba(15,138,99,.22);
    display:block;margin-bottom:6px;
  }
  .quote-card blockquote{margin:0;font-size:clamp(16px,2.2vw,20px);line-height:1.8;font-weight:700;letter-spacing:-0.01em;}
  .quote-meta{display:flex;align-items:center;gap:12px;margin-top:20px;font-size:13.5px;color:var(--muted);}
  .quote-meta .avatar{
    width:40px;height:40px;border-radius:50%;background:rgba(15,138,99,.12);
    display:flex;align-items:center;justify-content:center;
    font-family:var(--font-mono);font-weight:700;color:var(--brand-700);font-size:14px;
  }
  .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .chip{
    font-size:13px;padding:8px 15px;border-radius:9999px;
    background:#fff;border:1px solid var(--line);color:var(--muted);
    transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease;
  }
  .chip:hover{color:var(--brand-700);border-color:rgba(15,138,99,.4);background:rgba(15,138,99,.06);transform:translateY(-2px);}

  /* ============ faq ============ */
  .faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto;}
  details.faq{
    background:var(--surface);border:1px solid var(--line);border-radius:18px;
    box-shadow:var(--shadow-card);overflow:hidden;
    transition:border-color .25s ease,box-shadow .25s ease;
  }
  details.faq[open]{border-color:rgba(15,138,99,.4);box-shadow:var(--shadow-hover);}
  details.faq summary{
    list-style:none;cursor:pointer;position:relative;
    min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:16px 56px 16px 22px;font-size:15.5px;font-weight:700;line-height:1.5;
    transition:color .2s ease,background .2s ease;
  }
  details.faq summary::-webkit-details-marker{display:none;}
  details.faq summary::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
    background:var(--brand-600);opacity:0;transition:opacity .25s ease;
  }
  details.faq[open] summary::before{opacity:1;}
  details.faq summary:hover{color:var(--brand-700);background:rgba(15,138,99,.04);}
  details.faq summary .plus{
    position:absolute;right:20px;top:50%;transform:translateY(-50%);
    width:22px;height:22px;flex:0 0 auto;transition:transform .28s ease;
    color:var(--brand-600);
  }
  details.faq[open] summary .plus{transform:translateY(-50%) rotate(45deg);}
  details.faq .answer{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted);}
  details.faq .answer p{margin-bottom:10px;}
  details.faq .answer p:last-child{margin-bottom:0;}
  details.faq .answer strong{color:var(--ink);}

  /* ============ cta ============ */
  .cta-card{
    position:relative;overflow:hidden;border-radius:var(--radius-panel);
    background:var(--grad);color:#fff;padding:36px 24px;
    box-shadow:0 24px 60px -30px rgba(11,31,25,.6);
  }
  @media (min-width:900px){.cta-card{padding:52px 48px;}}
  .cta-card::after{
    content:"";position:absolute;inset:0;
    background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    opacity:.14;mix-blend-mode:multiply;pointer-events:none;
  }
  .cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:28px;}
  @media (min-width:900px){.cta-inner{grid-template-columns:1.05fr .95fr;align-items:center;gap:48px;}}
  .cta-inner h2{font-size:clamp(22px,3vw,30px);margin-bottom:12px;}
  .cta-inner p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.9);}
  .cta-form{background:rgba(255,255,255,.96);border-radius:20px;padding:22px;box-shadow:0 18px 40px -24px rgba(11,31,25,.5);}
  .field{margin-bottom:14px;}
  .field label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:7px;}
  .field input{
    width:100%;height:48px;padding:0 15px;border-radius:12px;
    border:1px solid var(--line);background:#fff;color:var(--ink);font-size:14.5px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field input::placeholder{color:#9AA79F;}
  .field input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(15,138,99,.12);}
  .agree{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--muted);line-height:1.7;margin-top:12px;}
  .agree input{margin-top:3px;accent-color:var(--brand-600);}
  .cta-form .btn{width:100%;margin-top:14px;}

  /* ============ footer ============ */
  .site-footer{position:relative;background:var(--brand-900);color:#DCE6E0;margin-top:64px;}
  .footer-stripe{height:6px;background:var(--grad);}
  .footer-main{
    display:grid;grid-template-columns:1fr;gap:34px;padding:48px 0 36px;
  }
  @media (min-width:768px){.footer-main{grid-template-columns:1fr 1fr;gap:34px;}}
  @media (min-width:1024px){.footer-main{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:60px 0 44px;}}
  .footer-brand b{display:block;font-size:18px;color:#fff;margin-bottom:12px;letter-spacing:-0.02em;}
  .footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(220,230,224,.72);margin-bottom:18px;max-width:340px;}
  .footer-sub{display:flex;gap:10px;flex-wrap:wrap;max-width:360px;}
  .footer-sub input{
    flex:1 1 160px;height:44px;padding:0 14px;border-radius:12px;
    border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);
    color:#fff;font-size:13.5px;transition:border-color .2s ease,background .2s ease;
  }
  .footer-sub input::placeholder{color:rgba(220,230,224,.55);}
  .footer-sub input:focus{outline:none;border-color:var(--lime);background:rgba(255,255,255,.12);}
  .footer-sub button{
    height:44px;padding:0 20px;border-radius:9999px;border:none;
    background:var(--brand-500);color:#04231A;font-size:14px;font-weight:800;
    transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
  }
  .footer-sub button:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 24px -14px rgba(201,242,77,.6);}
  .footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:800;}
  .footer-col li{font-size:13.5px;line-height:2.05;color:rgba(220,230,224,.72);}
  .footer-col a{transition:color .2s ease;}
  .footer-col a:hover{color:var(--lime);}
  .footer-bottom{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
    border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;
    font-size:12.5px;color:rgba(220,230,224,.6);
  }
  .to-top{
    background:transparent;border:1px solid rgba(255,255,255,.2);color:#DCE6E0;
    border-radius:9999px;height:36px;padding:0 16px;font-size:12.5px;
    transition:border-color .2s ease,color .2s ease,transform .2s ease;
  }
  .to-top:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px);}

  @media (max-width:640px){
    .section{padding:48px 0;}
    .page-hero{padding:32px 0 44px;}
    .quote-card{padding:26px 20px;}
    .cta-card{padding:28px 20px;}
    .hero-badges{gap:8px;}
    .badge{font-size:12px;padding:8px 13px;}
  }

/* roulang page: category3 */
:root{
    --brand-500:#12A576;
    --brand-600:#0F8A63;
    --brand-700:#0E6B4F;
    --brand-900:#0B1F19;
    --lime:#C9F24D;
    --action:#FF6A3D;
    --bg:#F7F6F1;
    --surface:#FFFFFF;
    --ink:#12211C;
    --muted:#5C6B65;
    --line:#E3E1D8;
    --radius-card:22px;
    --radius-block:30px;
    --radius-pill:9999px;
    --radius-input:12px;
    --shadow:0 1px 2px rgba(11,31,25,.05),0 14px 34px -14px rgba(11,31,25,.14);
    --shadow-lift:0 2px 4px rgba(11,31,25,.06),0 22px 44px -16px rgba(11,31,25,.22);
    --grad:linear-gradient(120deg,#0F8A63 0%,#12A576 48%,#C9F24D 100%);
    --gap:24px;
    --section-y:64px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.8;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:800;line-height:1.3;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease;}
  img{display:block;max-width:100%;height:auto;}
  button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
  input{font:inherit;}
  a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
    outline:2px solid var(--brand-600);
    outline-offset:2px;
    border-radius:6px;
  }
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  .num{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums;}

  /* ============ Header / Nav ============ */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(255,255,255,.96);
    backdrop-filter:saturate(160%) blur(8px);
    border-bottom:1px solid var(--line);
  }
  .nav{display:flex;align-items:center;gap:24px;height:64px;}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:40px;height:40px;border-radius:12px;
    background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
    display:grid;place-items:center;flex-shrink:0;
    box-shadow:0 6px 16px -8px rgba(15,138,99,.7);
  }
  .logo-mark svg{width:20px;height:20px;}
  .logo-text b{display:block;font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.25;}
  .logo-text span{display:block;font-size:9.5px;letter-spacing:.16em;color:var(--muted);line-height:1.4;}
  .nav-links{display:flex;align-items:center;gap:26px;flex:1;justify-content:center;}
  .nav-link{
    position:relative;font-size:15px;color:var(--ink);padding:6px 0;white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
    transform:scaleX(0);transform-origin:left;transition:transform .24s ease;border-radius:2px;
  }
  .nav-link:hover{color:var(--brand-600);}
  .nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--brand-700);font-weight:700;}
  .nav-right{display:flex;align-items:center;gap:16px;flex-shrink:0;}
  .nav-secondary{font-size:14px;color:var(--muted);}
  .nav-secondary:hover{color:var(--brand-600);}
  .nav-cta{height:44px;display:inline-flex;align-items:center;padding:0 20px;}
  .nav-mobile-cta{display:none;}
  .burger{
    display:none;width:42px;height:42px;border-radius:12px;
    border:1px solid var(--line);position:relative;background:var(--surface);
  }
  .burger span,
  .burger span::before,
  .burger span::after{
    position:absolute;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;
    transform:translateX(-50%);transition:transform .24s ease,opacity .2s ease;
  }
  .burger span{top:50%;margin-top:-1px;}
  .burger span::before{content:"";top:-6px;left:0;transform:none;}
  .burger span::after{content:"";top:6px;left:0;transform:none;}
  .burger.is-open span{background:transparent;}
  .burger.is-open span::before{transform:translateY(6px) rotate(45deg);}
  .burger.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

  /* ============ Buttons ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--radius-pill);
    font-size:15px;font-weight:700;letter-spacing:0;border:1px solid transparent;
    transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,filter .2s ease;
    cursor:pointer;
  }
  .btn-primary{
    background:var(--brand-600);color:#fff;box-shadow:0 10px 24px -14px rgba(15,138,99,.9);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(15,138,99,.95);filter:brightness(.96);}
  .btn-primary:active{transform:translateY(0);filter:brightness(.92);}
  .btn-action{
    background:var(--action);color:#fff;box-shadow:0 10px 24px -14px rgba(255,106,61,.9);
  }
  .btn-action:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(255,106,61,.95);filter:brightness(.96);}
  .btn-ghost{
    background:transparent;color:var(--ink);border-color:var(--line);
  }
  .btn-ghost:hover{border-color:var(--brand-600);background:rgba(15,138,99,.08);color:var(--brand-700);transform:translateY(-2px);}
  .btn-sm{height:44px;padding:0 20px;font-size:14px;}

  /* ============ Breadcrumb ============ */
  .crumb{
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    font-size:13px;color:var(--muted);padding-top:24px;
  }
  .crumb a:hover{color:var(--brand-600);}
  .crumb .sep{color:#B9BEB6;}
  .crumb .current{color:var(--brand-700);font-weight:700;}

  /* ============ Hero ============ */
  .hero{
    position:relative;overflow:hidden;
    padding:28px 0 56px;
  }
  .hero::before{
    content:"";position:absolute;top:-180px;right:-120px;width:560px;height:560px;
    background:radial-gradient(circle at center,rgba(18,165,118,.20),rgba(201,242,77,.16) 45%,rgba(201,242,77,0) 70%);
    pointer-events:none;
  }
  .hero-grid{
    position:relative;display:grid;grid-template-columns:1fr;gap:32px;align-items:start;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;color:var(--brand-700);
    background:rgba(15,138,99,.08);border:1px solid rgba(15,138,99,.18);
    padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:18px;
  }
  .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;}
  .hero h1{
    font-size:clamp(28px,4.4vw,46px);
    line-height:1.22;
    margin-bottom:18px;
  }
  .hero h1 em{
    font-style:normal;
    background:linear-gradient(120deg,var(--brand-600),var(--brand-500) 60%,#7FBF3F 100%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-sub{
    font-size:16px;color:var(--muted);max-width:620px;margin-bottom:26px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
  .hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--muted);}
  .hero-points li{display:flex;align-items:center;gap:8px;}
  .hero-points li::before{
    content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);flex-shrink:0;
  }
  .hero-panel{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-block);
    box-shadow:var(--shadow);padding:24px;position:relative;overflow:hidden;
  }
  .hero-panel::before{
    content:"";position:absolute;inset:0 0 auto 0;height:6px;background:var(--grad);
  }
  .hero-panel h2{
    font-size:15px;font-weight:800;color:var(--ink);margin:8px 0 4px;
  }
  .hero-panel .panel-note{font-size:13px;color:var(--muted);margin-bottom:18px;}
  .badge-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
  .badge{
    display:flex;align-items:center;gap:10px;
    padding:12px 14px;border-radius:16px;
    background:rgba(15,138,99,.06);
    border:1px solid rgba(15,138,99,.20);
  }
  .badge .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex-shrink:0;box-shadow:0 0 0 3px rgba(201,242,77,.28);}
  .badge b{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums;font-size:19px;line-height:1.1;color:var(--brand-700);display:block;}
  .badge small{display:block;font-size:12px;color:var(--muted);line-height:1.5;}
  .panel-foot{
    margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    font-size:13px;color:var(--muted);
  }
  .panel-foot a{color:var(--brand-700);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
  .panel-foot a:hover{gap:10px;}

  /* ============ Section base ============ */
  .section{padding:var(--section-y) 0;}
  .section-head{max-width:760px;margin-bottom:32px;}
  .section-kicker{
    font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--brand-600);
    display:inline-block;margin-bottom:10px;
  }
  .section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px;}
  .section-head p{color:var(--muted);font-size:15.5px;}

  /* ============ Feature list (staggered) ============ */
  .feature-wrap{display:grid;grid-template-columns:1fr;gap:24px;}
  .feature-aside{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow);padding:26px;
  }
  .feature-aside h3{font-size:20px;margin-bottom:12px;}
  .feature-aside p{font-size:14.5px;color:var(--muted);margin-bottom:18px;}
  .tag-row{display:flex;flex-wrap:wrap;gap:8px;}
  .tag{
    display:inline-flex;align-items:center;
    padding:5px 12px;border-radius:var(--radius-pill);
    background:rgba(15,138,99,.08);border:1px solid rgba(15,138,99,.18);
    font-size:12.5px;color:var(--brand-700);font-weight:700;
  }
  .feature-list{display:flex;flex-direction:column;gap:16px;}
  .feature-item{
    display:flex;gap:16px;align-items:flex-start;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow);padding:22px 24px;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .feature-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:rgba(15,138,99,.35);}
  .feature-num{
    font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums;
    font-size:15px;font-weight:700;color:var(--brand-600);
    width:38px;height:38px;border-radius:12px;flex-shrink:0;
    display:grid;place-items:center;background:rgba(15,138,99,.09);
  }
  .feature-item h3{font-size:18px;margin-bottom:6px;}
  .feature-item p{font-size:14.5px;color:var(--muted);}

  /* ============ Accordion ============ */
  .acc{display:flex;flex-direction:column;gap:12px;}
  .acc-item{
    background:var(--surface);border:1px solid var(--line);border-radius:18px;
    box-shadow:var(--shadow);overflow:hidden;position:relative;
    transition:border-color .22s ease,box-shadow .22s ease;
  }
  .acc-item::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-600);
    transform:scaleY(0);transform-origin:top;transition:transform .26s ease;
  }
  .acc-item[open]::before{transform:scaleY(1);}
  .acc-item[open]{border-color:rgba(15,138,99,.35);box-shadow:var(--shadow-lift);}
  .acc-item summary{
    list-style:none;cursor:pointer;
    min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:14px 22px;font-size:16px;font-weight:700;color:var(--ink);
  }
  .acc-item summary::-webkit-details-marker{display:none;}
  .acc-item summary:hover{color:var(--brand-700);}
  .acc-icon{
    position:relative;width:20px;height:20px;flex-shrink:0;
    transition:transform .26s ease;
  }
  .acc-icon::before,.acc-icon::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--brand-600);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .acc-icon::before{width:14px;height:2px;}
  .acc-icon::after{width:2px;height:14px;}
  .acc-item[open] .acc-icon{transform:rotate(45deg);}
  .acc-body{
    padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted);
  }
  .acc-body p+p{margin-top:10px;}

  /* ============ Waterfall ============ */
  .wf{display:grid;grid-template-columns:1fr;gap:20px;}
  .wf-col{display:flex;flex-direction:column;gap:20px;}
  .wf-card{
    position:relative;border-radius:var(--radius-card);overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--shadow);background:var(--surface);
    transition:transform .24s ease,box-shadow .24s ease;
  }
  .wf-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);}
  .wf-card img{width:100%;height:100%;object-fit:cover;display:block;background:#EDECE4;}
  .wf-card .wf-cap{
    position:absolute;inset:auto 0 0 0;
    padding:18px 20px;
    background:linear-gradient(180deg,rgba(11,31,25,0) 0%,rgba(11,31,25,.72) 62%,rgba(11,31,25,.86) 100%);
    color:#fff;
  }
  .wf-cap b{display:block;font-size:16.5px;font-weight:800;margin-bottom:4px;}
  .wf-cap span{display:block;font-size:13px;color:rgba(255,255,255,.82);line-height:1.6;}
  .wf-tall img{aspect-ratio:4/5;}
  .wf-wide img{aspect-ratio:16/11;}

  /* ============ Steps ============ */
  .steps{
    display:grid;grid-template-columns:1fr;gap:16px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-block);
    box-shadow:var(--shadow);padding:26px;
  }
  .step{display:flex;gap:16px;align-items:flex-start;}
  .step-dot{
    width:14px;height:14px;border-radius:50%;background:var(--brand-600);
    box-shadow:0 0 0 5px rgba(15,138,99,.14);flex-shrink:0;margin-top:9px;
    position:relative;
  }
  .step-dot.done{background:var(--lime);box-shadow:0 0 0 5px rgba(201,242,77,.24);}
  .step h3{font-size:16.5px;margin-bottom:4px;}
  .step p{font-size:14px;color:var(--muted);}

  /* ============ FAQ ============ */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}

  /* ============ CTA ============ */
  .cta-card{
    position:relative;overflow:hidden;
    border-radius:var(--radius-block);
    background:var(--grad);
    padding:34px 24px;
    color:#fff;
  }
  .cta-card::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(120deg,rgba(11,31,25,.52),rgba(11,31,25,.20) 65%,rgba(11,31,25,.05));
  }
  .cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:26px;}
  .cta-inner h2{font-size:clamp(23px,3vw,32px);margin-bottom:12px;color:#fff;}
  .cta-inner p{font-size:15px;color:rgba(255,255,255,.88);max-width:520px;}
  .cta-form{
    background:rgba(255,255,255,.96);border-radius:20px;padding:22px;
    box-shadow:0 18px 40px -20px rgba(11,31,25,.5);
    color:var(--ink);
  }
  .field{margin-bottom:14px;}
  .field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px;color:var(--ink);}
  .field input{
    width:100%;height:48px;border-radius:var(--radius-input);
    border:1px solid var(--line);background:#fff;padding:0 14px;font-size:15px;color:var(--ink);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field input::placeholder{color:#9AA39D;}
  .field input:focus{
    outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(15,138,99,.12);
  }
  .field input:required:invalid:not(:placeholder-shown){border-color:var(--action);}
  .cta-form .btn{width:100%;}
  .form-note{font-size:12px;color:var(--muted);margin-top:10px;line-height:1.7;}
  .form-note a{color:var(--brand-700);text-decoration:underline;}

  /* ============ Footer ============ */
  .site-footer{background:var(--brand-900);color:#D8E2DC;margin-top:8px;}
  .footer-stripe{height:6px;background:var(--grad);}
  .footer-main{
    display:grid;grid-template-columns:1fr;gap:32px;
    padding:48px 0 36px;
  }
  .footer-brand b{display:block;font-size:18px;color:#fff;margin-bottom:12px;letter-spacing:-.02em;}
  .footer-brand p{font-size:14px;color:#A9B8B0;line-height:1.85;margin-bottom:18px;max-width:360px;}
  .footer-sub{display:flex;gap:10px;flex-direction:column;}
  .footer-sub input{
    height:46px;border-radius:var(--radius-input);
    border:1px solid rgba(255,255,255,.18);
    background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;
  }
  .footer-sub input::placeholder{color:#8FA096;}
  .footer-sub input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.18);}
  .footer-sub button{
    height:46px;border-radius:var(--radius-pill);
    background:var(--lime);color:#0B1F19;font-weight:800;font-size:14px;
    transition:transform .2s ease,filter .2s ease;
  }
  .footer-sub button:hover{transform:translateY(-2px);filter:brightness(.96);}
  .footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;}
  .footer-col li{font-size:14px;color:#A9B8B0;margin-bottom:10px;line-height:1.7;}
  .footer-col a:hover{color:var(--lime);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:18px 0 26px;
    display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;
    font-size:13px;color:#8FA096;
  }
  .to-top{
    font-size:13px;color:#D8E2DC;border:1px solid rgba(255,255,255,.20);
    border-radius:var(--radius-pill);padding:7px 16px;transition:all .2s ease;
  }
  .to-top:hover{color:var(--lime);border-color:var(--lime);transform:translateY(-2px);}

  /* ============ Responsive ============ */
  @media (min-width:768px){
    .hero{padding:36px 0 72px;}
    .badge-grid{grid-template-columns:1fr 1fr;}
    .wf{grid-template-columns:1fr 1fr;gap:24px;}
    .wf-col{gap:24px;}
    .steps{grid-template-columns:1fr 1fr;gap:24px 28px;}
    .footer-main{grid-template-columns:1.4fr 1fr 1fr 1fr;}
    .footer-sub{flex-direction:row;}
    .footer-sub input{flex:1;}
    .footer-sub button{padding:0 22px;flex-shrink:0;}
    .cta-card{padding:44px 40px;}
    .cta-inner{grid-template-columns:1.1fr .9fr;align-items:center;gap:32px;}
    .cta-form{padding:26px;}
  }
  @media (min-width:1024px){
    :root{--section-y:96px;}
    .container{padding:0 32px;}
    .nav{height:72px;gap:32px;}
    .hero-grid{grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;}
    .feature-wrap{grid-template-columns:.85fr 1.15fr;gap:28px;align-items:start;}
    .badge-grid{grid-template-columns:1fr 1fr;}
    .steps{grid-template-columns:repeat(4,1fr);}
    .footer-main{padding:56px 0 40px;}
  }
  @media (max-width:1023px){
    .nav-links{
      position:fixed;top:0;right:0;height:100vh;width:min(330px,88vw);
      background:#fff;flex-direction:column;align-items:stretch;justify-content:flex-start;
      gap:0;padding:84px 22px 28px;transform:translateX(105%);
      transition:transform .3s ease;box-shadow:-18px 0 40px -24px rgba(11,31,25,.5);
      z-index:90;overflow-y:auto;
    }
    .nav-links.is-open{transform:translateX(0);}
    .nav-link{
      padding:0;height:52px;display:flex;align-items:center;
      border-bottom:1px solid var(--line);font-size:15.5px;
    }
    .nav-link::after{display:none;}
    .nav-secondary{display:none;}
    .nav-mobile-cta{
      display:inline-flex;width:100%;margin-top:20px;height:48px;
      align-items:center;justify-content:center;
      background:var(--brand-600);color:#fff;font-weight:800;border-radius:var(--radius-pill);
      font-size:15px;
    }
    .nav-mobile-cta:hover{filter:brightness(.96);}
    .burger{display:grid;place-items:center;z-index:95;}
    .logo-text span{font-size:9px;}
  }
  @media (max-width:520px){
    :root{--section-y:52px;}
    .logo-text b{font-size:16px;}
    .hero h1{font-size:26px;}
    .hero-sub{font-size:15px;}
    .hero-actions .btn{flex:1 1 100%;}
    .feature-item{padding:18px;}
    .acc-item summary{padding:12px 16px;font-size:15px;}
    .acc-body{padding:0 16px 18px;}
    .footer-bottom{justify-content:flex-start;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }