/* roulang page: index */
:root{
  --ink:#0B1F1A;
  --ink-soft:#2E4740;
  --muted:#6A7F79;
  --paper:#FFFFFF;
  --paper-2:#F5F7F2;
  --paper-3:#EAF1E9;
  --brand:#0E4034;
  --brand-2:#186a55;
  --lime:#C9F26B;
  --orange:#FF7A45;
  --line:#DDE6DE;
  --radius-lg:26px;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(11,31,26,.05);
  --shadow:0 18px 44px -26px rgba(11,31,26,.38);
  --shadow-lg:0 34px 80px -34px rgba(11,31,26,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-soft);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0 0 .6em;color:var(--ink);font-weight:800;line-height:1.25;letter-spacing:-.015em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(201,242,107,.85);outline-offset:3px;border-radius:6px}
.container{width:min(1180px,100% - 2.4rem);margin-inline:auto}
.container-narrow{width:min(900px,100% - 2.4rem);margin-inline:auto}

/* ---------- header ---------- */
.utility-bar{background:var(--brand);color:#bcd6cc;font-size:.78rem;letter-spacing:.03em}
.utility-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:36px;white-space:nowrap;overflow:hidden}
.utility-inner span{display:inline-flex;align-items:center;gap:.4rem}
.utility-inner i{color:var(--lime)}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1.4rem;height:76px}
.brand{display:flex;align-items:center;gap:.72rem;flex-shrink:0}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));
  color:var(--lime);font-weight:800;font-size:1.08rem;box-shadow:0 10px 22px -12px rgba(14,64,52,.9);
}
.brand-text strong{display:block;font-size:1.02rem;color:var(--ink);letter-spacing:.01em;line-height:1.3}
.brand-text small{display:block;font-size:.72rem;color:var(--muted);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:.3rem}
.nav-link{padding:.55rem .95rem;border-radius:999px;font-size:.94rem;color:var(--ink-soft);transition:background .2s,color .2s,transform .2s}
.nav-link:hover{background:var(--paper-3);color:var(--brand);transform:translateY(-1px)}
.nav-link.is-active{background:var(--brand);color:#fff}
.nav-actions{display:flex;align-items:center;gap:.6rem}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand);font-size:1rem;place-items:center;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.86rem 1.6rem;border-radius:999px;border:1px solid transparent;
  font-size:.94rem;font-weight:700;letter-spacing:.01em;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn i{font-size:.86rem}
.btn-primary{background:var(--lime);color:#0A2A21;box-shadow:0 14px 30px -18px rgba(201,242,107,.9)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 38px -18px rgba(201,242,107,.95);color:#0A2A21}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);color:#fff}
.btn-dark{background:var(--brand);color:#fff}
.btn-dark:hover{background:var(--brand-2);transform:translateY(-2px);color:#fff}
.btn-outline{background:transparent;color:var(--brand);border-color:#C4D6CB}
.btn-outline:hover{background:var(--paper-3);transform:translateY(-2px);color:var(--brand)}
.btn-sm{padding:.6rem 1.15rem;font-size:.86rem}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#08201A;color:#fff;padding:clamp(56px,7vw,92px) 0 0}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(108deg,rgba(6,26,21,.95) 0%,rgba(8,32,26,.86) 48%,rgba(12,44,36,.6) 100%);
}
.hero-inner{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.4rem .95rem;border-radius:999px;
  background:rgba(201,242,107,.14);border:1px solid rgba(201,242,107,.42);
  color:var(--lime);font-size:.78rem;letter-spacing:.12em;font-weight:700;
}
.hero h1{
  margin:1.15rem 0 1rem;color:#fff;max-width:900px;
  font-size:clamp(1.85rem,3.6vw,3rem);line-height:1.24;letter-spacing:-.025em;
}
.hero-lead{max-width:790px;color:#C3D8D0;font-size:1rem;line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.9rem 0 1.5rem}
.hero-checks{display:flex;flex-wrap:wrap;gap:.55rem 1.4rem;color:#D6E8E1;font-size:.9rem}
.hero-checks span{display:inline-flex;align-items:center;gap:.45rem}
.hero-checks i{color:var(--lime);font-size:.78rem}
.hero-kpi{
  position:relative;z-index:2;margin-top:clamp(34px,5vw,58px);
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.18);
}
.kpi-item{padding:1.35rem 1.1rem 1.55rem;border-right:1px solid rgba(255,255,255,.12)}
.kpi-item:last-child{border-right:0}
.kpi-num{font-size:clamp(1.35rem,2.3vw,1.85rem);font-weight:800;color:var(--lime);letter-spacing:-.02em;line-height:1.2}
.kpi-label{font-size:.78rem;color:#9FBDB2;margin-top:.35rem;letter-spacing:.04em}

/* ---------- sections ---------- */
.section{padding:clamp(60px,7.5vw,100px) 0}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--brand);color:#C7DBD3}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.section--warm{background:linear-gradient(180deg,#FDF7F2 0%,#FFFFFF 100%)}
.section-head{max-width:780px;margin-bottom:clamp(28px,4vw,48px)}
.section-tag{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.76rem;font-weight:800;letter-spacing:.16em;
  color:var(--brand-2);text-transform:uppercase;margin-bottom:.85rem;
}
.section-tag::before{content:"";width:26px;height:2px;background:var(--orange);border-radius:2px}
.section--dark .section-tag{color:var(--lime)}
.section-head h2{font-size:clamp(1.5rem,2.7vw,2.15rem);margin-bottom:.7rem}
.section-head p{color:var(--muted);font-size:.99rem;line-height:1.9;margin:0}
.section--dark .section-head p{color:#AECCBF}
.split{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(2rem,5vw,4rem);align-items:start}

/* ---------- grids / cards ---------- */
.grid{display:grid;gap:1.25rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.55rem;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#C6D9CD}
.card h3{font-size:1.06rem;margin-bottom:.5rem}
.card p{margin:0;font-size:.93rem;color:var(--muted);line-height:1.8}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:var(--paper-3);color:var(--brand);font-size:1rem;margin-bottom:1rem;
}
.card-num{
  display:inline-block;font-size:.74rem;font-weight:800;letter-spacing:.14em;
  color:var(--orange);margin-bottom:.7rem;
}
.section--dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14);box-shadow:none}
.section--dark .card h3{color:#fff}
.section--dark .card p{color:#AECCBF}
.section--dark .card:hover{border-color:rgba(201,242,107,.45);background:rgba(255,255,255,.08)}

/* ---------- pain cards ---------- */
.pain-card{position:relative;padding-top:2.6rem;overflow:hidden}
.pain-card .card-num{position:absolute;top:1.3rem;left:1.55rem;margin:0}
.pain-card::after{
  content:"";position:absolute;right:-30px;bottom:-30px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,69,.12),transparent 70%);
}

/* ---------- checklist ---------- */
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:.95rem 1.8rem;margin-top:1.6rem}
.check-item{display:flex;align-items:flex-start;gap:.65rem;font-size:.94rem;color:var(--ink-soft);line-height:1.65}
.check-item i{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  background:var(--lime);color:#0A2A21;font-size:.68rem;margin-top:.28rem;
}
.check-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.check-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.check-badge{
  position:absolute;left:1.2rem;bottom:1.2rem;right:1.2rem;
  background:rgba(255,255,255,.94);border-radius:14px;padding:.85rem 1rem;
  display:flex;align-items:center;gap:.7rem;font-size:.86rem;color:var(--ink);font-weight:700;
  box-shadow:var(--shadow);
}
.check-badge i{color:var(--brand-2)}

/* ---------- badges ---------- */
.badge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.badge-card{
  display:flex;gap:.9rem;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;
  transition:transform .25s,box-shadow .25s;
}
.badge-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.badge-card .card-icon{width:40px;height:40px;margin:0;flex:0 0 40px;border-radius:12px}
.badge-card strong{display:block;font-size:.98rem;color:var(--ink);margin-bottom:.2rem}
.badge-card span{font-size:.86rem;color:var(--muted);line-height:1.7;display:block}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.compare-col{border-radius:var(--radius-lg);padding:1.9rem}
.compare-col.doos{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.compare-col.donts{background:#FFF6F2;border:1px solid #FBD9CB}
.compare-col h3{display:flex;align-items:center;gap:.6rem;font-size:1.08rem;margin-bottom:1.2rem}
.compare-col.doos h3 i{color:var(--brand-2)}
.compare-col.donts h3 i{color:var(--orange)}
.compare-col li{
  display:flex;gap:.6rem;font-size:.93rem;line-height:1.75;color:var(--ink-soft);
  padding:.5rem 0;border-bottom:1px dashed rgba(11,31,26,.09);
}
.compare-col li:last-child{border-bottom:0}
.compare-col.doos li::before{content:"✓";color:var(--brand-2);font-weight:800}
.compare-col.donts li::before{content:"×";color:var(--orange);font-weight:800}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:2.4rem 1.6rem 1.6rem;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#C6D9CD}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:1.1rem;left:1.6rem;
  font-size:1.5rem;font-weight:800;color:var(--paper-3);letter-spacing:-.03em;
}
.step h3{font-size:1.05rem;margin-bottom:.55rem}
.step p{margin:0;font-size:.92rem;color:var(--muted);line-height:1.8}
.step-tip{
  display:inline-flex;align-items:center;gap:.4rem;margin-top:1rem;
  font-size:.78rem;font-weight:700;color:var(--brand-2);background:var(--paper-3);
  padding:.3rem .75rem;border-radius:999px;
}

/* ---------- metrics band ---------- */
.metrics{position:relative;overflow:hidden;background:#08201A;color:#fff;padding:clamp(56px,7vw,88px) 0}
.metrics-bg{position:absolute;inset:0;z-index:0}
.metrics-bg img{width:100%;height:100%;object-fit:cover;opacity:.4}
.metrics::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,26,21,.95),rgba(10,44,36,.78));z-index:1}
.metrics .container{position:relative;z-index:2}
.metrics-head{max-width:680px;margin-bottom:2.4rem}
.metrics-head h2{color:#fff;font-size:clamp(1.5rem,2.7vw,2.1rem)}
.metrics-head p{color:#AECCBF;margin:0}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.metric{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:1.5rem;backdrop-filter:blur(6px);
}
.metric strong{display:block;font-size:clamp(1.6rem,3vw,2.2rem);color:var(--lime);font-weight:800;letter-spacing:-.03em;line-height:1.15}
.metric span{display:block;font-size:.85rem;color:#B7CFC6;margin-top:.4rem}

/* ---------- audience ---------- */
.aud-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;
  display:flex;flex-direction:column;gap:.6rem;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.aud-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#C6D9CD}
.aud-card .card-icon{margin:0}
.aud-card strong{font-size:1rem;color:var(--ink)}
.aud-card span{font-size:.89rem;color:var(--muted);line-height:1.75}
.aud-tag{
  align-self:flex-start;margin-top:.35rem;font-size:.74rem;font-weight:700;
  color:var(--brand-2);background:var(--paper-3);padding:.25rem .7rem;border-radius:999px;
}

/* ---------- testimonials ---------- */
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:1.8rem;box-shadow:var(--shadow-sm)}
.stars{color:#F2B733;font-size:.82rem;letter-spacing:.14em;margin-bottom:.9rem}
.quote-card p{font-size:.95rem;color:var(--ink-soft);line-height:1.85;margin-bottom:1.3rem}
.quote-who{display:flex;align-items:center;gap:.75rem}
.avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand);color:var(--lime);font-weight:800;font-size:.9rem;flex:0 0 42px;
}
.quote-who strong{display:block;font-size:.9rem;color:var(--ink);line-height:1.4}
.quote-who small{display:block;font-size:.78rem;color:var(--muted)}

/* ---------- hub ---------- */
.hub{display:grid;grid-template-columns:.85fr 1.15fr;gap:1.4rem;align-items:stretch}
.hub-main{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:2rem;
  background:linear-gradient(150deg,var(--brand) 0%,#1a6d58 100%);color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;gap:1.6rem;
}
.hub-main h3{color:#fff;font-size:1.3rem;margin-bottom:.5rem}
.hub-main p{color:#BED7CE;font-size:.92rem;margin:0}
.hub-link{
  display:inline-flex;align-items:center;gap:.5rem;align-self:flex-start;
  background:var(--lime);color:#0A2A21;font-weight:800;font-size:.88rem;
  padding:.7rem 1.25rem;border-radius:999px;transition:transform .22s,box-shadow .22s;
}
.hub-link:hover{transform:translateY(-2px);box-shadow:0 16px 30px -18px rgba(201,242,107,.9);color:#0A2A21}
.hub-tags{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.hub-tag{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:1rem 1.1rem;
  display:flex;align-items:center;gap:.6rem;font-size:.9rem;color:var(--ink-soft);
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.hub-tag i{color:var(--orange);font-size:.85rem}
.hub-tag:hover{border-color:#C6D9CD;box-shadow:var(--shadow-sm);transform:translateY(-2px)}

/* ---------- feed ---------- */
.feed-layout{display:grid;grid-template-columns:1.62fr .9fr;gap:2rem;align-items:start}
.feed-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:1.4rem;box-shadow:var(--shadow-sm)}
.feed-item{
  display:grid;grid-template-columns:150px 1fr;gap:1.1rem;
  padding:1rem 0;border-bottom:1px dashed var(--line);
  transition:transform .2s;
}
.feed-item:last-of-type{border-bottom:0}
.feed-item:hover{transform:translateX(3px)}
.feed-item img{width:150px;height:104px;object-fit:cover;border-radius:12px}
.feed-item h3{font-size:1rem;margin-bottom:.35rem;line-height:1.55}
.feed-item h3 a:hover{color:var(--brand-2)}
.feed-item p{margin:0;font-size:.88rem;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feed-meta{display:flex;flex-wrap:wrap;gap:.6rem;font-size:.76rem;color:#8CA29B;margin-top:.55rem}
.feed-meta span{display:inline-flex;align-items:center;gap:.3rem}
.feed-more{
  display:inline-flex;align-items:center;gap:.45rem;margin-top:1.2rem;
  font-size:.88rem;font-weight:800;color:var(--brand-2);
}
.feed-more:hover{color:var(--orange)}
.feed-empty{
  padding:2.4rem 1rem;text-align:center;color:var(--muted);font-size:.95rem;margin:0;
}
.feed-side{display:grid;gap:1rem;position:sticky;top:100px}
.side-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem}
.side-card h4{font-size:.95rem;margin-bottom:.9rem;display:flex;align-items:center;gap:.5rem}
.side-card h4 i{color:var(--orange);font-size:.82rem}
.side-item{display:block;padding:.62rem 0;border-bottom:1px dashed rgba(11,31,26,.1);font-size:.88rem;color:var(--ink-soft);line-height:1.6}
.side-item:last-child{border-bottom:0}
.side-item:hover{color:var(--brand-2)}
.side-note{font-size:.8rem;color:var(--muted);line-height:1.75;margin:.9rem 0 0}

/* ---------- platforms ---------- */
.plat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
.plat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem 1.2rem;
  text-align:center;transition:transform .25s,box-shadow .25s,border-color .25s;
}
.plat:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#C6D9CD}
.plat i{font-size:1.4rem;color:var(--brand-2);margin-bottom:.7rem;display:block}
.plat strong{display:block;font-size:.95rem;color:var(--ink);margin-bottom:.25rem}
.plat span{font-size:.82rem;color:var(--muted)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:.85rem;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.15rem 1.35rem;transition:border-color .22s,box-shadow .22s;
}
.faq-item[open]{border-color:#BFD5C8;box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:1rem;
  font-size:.98rem;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:var(--paper-3);color:var(--brand);font-weight:800;font-size:.9rem;
  transition:transform .22s,background .22s;
}
.faq-item[open] summary::after{content:"−";background:var(--brand);color:var(--lime)}
.faq-item p{margin:.9rem 0 0;font-size:.91rem;color:var(--muted);line-height:1.85}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,var(--brand) 0%,#155844 60%,#1d7359 100%);
  padding:clamp(2rem,4.5vw,3.4rem);color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,107,.28),transparent 68%);
}
.cta-layout{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:2.4rem;align-items:center}
.cta-layout h2{color:#fff;font-size:clamp(1.4rem,2.5vw,2rem);margin-bottom:.7rem}
.cta-layout p{color:#BED7CE;font-size:.95rem;margin:0}
.cta-points{display:flex;flex-wrap:wrap;gap:.5rem .9rem;margin-top:1.3rem;font-size:.85rem;color:#D6E8E1}
.cta-points span{display:inline-flex;align-items:center;gap:.4rem}
.cta-points i{color:var(--lime);font-size:.75rem}
.lead-form{background:rgba(255,255,255,.96);border-radius:var(--radius);padding:1.5rem;color:var(--ink)}
.lead-form h3{font-size:1rem;margin-bottom:1rem}
.field{margin-bottom:.85rem}
.field label{display:block;font-size:.8rem;font-weight:700;color:var(--ink-soft);margin-bottom:.35rem}
.field input,.field select{
  width:100%;padding:.72rem .9rem;border-radius:12px;border:1px solid #D5E1D8;
  font-size:.9rem;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(24,106,85,.14);
}
.lead-form .btn{width:100%;margin-top:.3rem}
.form-note{font-size:.76rem;color:var(--muted);margin:.7rem 0 0;line-height:1.7}
.form-ok{
  display:none;margin-top:.8rem;font-size:.83rem;color:var(--brand-2);
  background:var(--paper-3);border-radius:10px;padding:.6rem .8rem;
}
.form-ok.show{display:block}

/* ---------- footer ---------- */
.site-footer{background:#08201A;color:#9FBDB2;padding:clamp(48px,6vw,76px) 0 0;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.35fr 2fr;gap:clamp(2rem,4vw,3.4rem)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:#8FADA3}
.footer-brand .brand-mark{box-shadow:none}
.footer-desc{font-size:.9rem;line-height:1.85;color:#9FBDB2;margin:1.2rem 0 1rem;max-width:340px}
.footer-seal{display:flex;flex-wrap:wrap;gap:.5rem}
.footer-seal span{
  font-size:.74rem;color:#BED7CE;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:.25rem .7rem;
}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.footer-cols h4{color:#fff;font-size:.92rem;margin-bottom:.9rem;letter-spacing:.04em}
.footer-cols a{display:block;font-size:.87rem;color:#9FBDB2;padding:.3rem 0;transition:color .2s,transform .2s}
.footer-cols a:hover{color:var(--lime);transform:translateX(2px)}
.footer-cols p{font-size:.85rem;line-height:1.85;color:#8FADA3;margin:0}
.footer-bottom{
  margin-top:clamp(2rem,4vw,3rem);border-top:1px solid rgba(255,255,255,.12);
  padding:1.3rem 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem;
  font-size:.8rem;color:#7F9C93;
}
.footer-bottom a{color:#9FBDB2}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .plat-grid{grid-template-columns:repeat(2,1fr)}
  .badge-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  .utility-inner span:last-child{display:none}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:.2rem;
    background:#fff;padding:.8rem;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:.8rem 1rem;border-radius:12px;font-size:.95rem}
  .nav-toggle{display:grid}
  .nav-actions .btn-primary{display:none}
  .split,.hub,.feed-layout,.cta-layout,.footer-top,.compare{grid-template-columns:1fr}
  .check-list{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .feed-side{position:static}
  .footer-cols{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:2rem}
}
@media (max-width:720px){
  .hero-kpi{grid-template-columns:repeat(2,1fr)}
  .kpi-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}
  .kpi-item:nth-child(odd){border-right:1px solid rgba(255,255,255,.12)}
  .kpi-item:nth-last-child(-n+2){border-bottom:0}
  .grid-3,.grid-4,.badge-grid,.hub-tags{grid-template-columns:1fr}
  .feed-item{grid-template-columns:1fr}
  .feed-item img{width:100%;height:170px}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
}
@media (max-width:520px){
  .container{width:100% - 1.6rem}
  .utility-inner{height:32px;font-size:.72rem}
  .nav-inner{height:68px}
  .brand-mark{width:38px;height:38px;font-size:.95rem}
  .brand-text strong{font-size:.95rem}
  .brand-text small{font-size:.66rem}
  .section{padding:48px 0}
  .card,.step,.quote-card,.aud-card{padding:1.2rem}
  .footer-cols{grid-template-columns:1fr}
  .metric-grid,.plat-grid{grid-template-columns:1fr}
  .cta-points{font-size:.8rem}
}

/* roulang page: article */
:root{
  --ink:#0B1F1A;
  --ink-soft:#2E4740;
  --muted:#6A7F79;
  --paper:#FFFFFF;
  --paper-2:#F5F7F2;
  --paper-3:#EAF1E9;
  --brand:#0E4034;
  --brand-2:#186a55;
  --lime:#C9F26B;
  --orange:#FF7A45;
  --line:#DDE6DE;
  --radius-lg:26px;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(11,31,26,.05);
  --shadow:0 18px 44px -26px rgba(11,31,26,.38);
  --shadow-lg:0 34px 80px -34px rgba(11,31,26,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-soft);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.32;letter-spacing:-.015em;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:min(1180px,100% - 2.4rem);margin-inline:auto}
.container-narrow{width:min(900px,100% - 2.4rem);margin-inline:auto}
:focus-visible{outline:3px solid rgba(24,106,85,.45);outline-offset:3px;border-radius:6px}

/* ---------- header ---------- */
.utility-bar{background:var(--brand);color:#bcd6cc;font-size:.78rem;letter-spacing:.03em}
.utility-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.5rem 0;flex-wrap:wrap}
.utility-inner i{color:var(--lime);margin-right:.4rem}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1.4rem;height:76px}
.brand{display:flex;align-items:center;gap:.72rem;flex-shrink:0}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));
  color:var(--lime);font-weight:800;font-size:1.08rem;box-shadow:0 10px 22px -12px rgba(14,64,52,.9);
}
.brand-text strong{display:block;font-size:1.02rem;color:var(--ink);letter-spacing:.01em;line-height:1.3}
.brand-text small{display:block;font-size:.72rem;color:var(--muted);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:.3rem}
.nav-link{padding:.55rem .95rem;border-radius:999px;font-size:.94rem;color:var(--ink-soft);transition:background .2s,color .2s,transform .2s}
.nav-link:hover{background:var(--paper-3);color:var(--brand);transform:translateY(-1px)}
.nav-link.is-active{background:var(--brand);color:#fff}
.nav-actions{display:flex;align-items:center;gap:.6rem}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand);font-size:1rem;place-items:center;
}
.nav-toggle:hover{background:var(--paper-3)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.86rem 1.6rem;border-radius:999px;border:1px solid transparent;
  font-size:.94rem;font-weight:700;letter-spacing:.01em;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn i{font-size:.86rem}
.btn-primary{background:var(--lime);color:#0A2A21;box-shadow:0 14px 30px -18px rgba(201,242,107,.9)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 38px -18px rgba(201,242,107,.95);color:#0A2A21}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);color:#fff}
.btn-dark{background:var(--brand);color:#fff}
.btn-dark:hover{background:var(--brand-2);transform:translateY(-2px);color:#fff}
.btn-outline{background:transparent;color:var(--brand);border-color:#C4D6CB}
.btn-outline:hover{background:var(--paper-3);transform:translateY(-2px);color:var(--brand)}
.btn-sm{padding:.6rem 1.15rem;font-size:.86rem}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--paper-2);border-bottom:1px solid var(--line)}
.crumb-inner{display:flex;align-items:center;gap:.55rem;flex-wrap:wrap;padding:.9rem 0;font-size:.85rem;color:var(--muted)}
.crumb-inner a{color:var(--brand-2);font-weight:600;transition:color .2s}
.crumb-inner a:hover{color:var(--orange)}
.crumb-sep{color:#B4C6BC}
.crumb-current{color:var(--ink-soft);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;background:#08201A;color:#fff;padding:clamp(44px,6vw,74px) 0 clamp(36px,5vw,58px)}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 90% at 88% 8%,rgba(201,242,107,.16) 0%,rgba(8,32,26,0) 58%),
             linear-gradient(112deg,#07201A 0%,#0B2C24 62%,#104436 100%);
}
.article-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.8fr);gap:clamp(24px,4vw,56px);align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.4rem .95rem;border-radius:999px;
  background:rgba(201,242,107,.14);border:1px solid rgba(201,242,107,.42);
  color:var(--lime);font-size:.76rem;letter-spacing:.12em;font-weight:700;
}
.article-hero h1{
  margin:1.1rem 0 1rem;color:#fff;
  font-size:clamp(1.6rem,3.1vw,2.5rem);line-height:1.3;letter-spacing:-.02em;
}
.article-hero-lead{color:#BFD6CD;font-size:.98rem;line-height:1.95;max-width:640px}
.article-meta{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1.4rem}
.meta-pill{
  display:inline-flex;align-items:center;gap:.45rem;
  padding:.38rem .9rem;border-radius:999px;font-size:.8rem;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);color:#D8E9E2;
}
.meta-pill i{color:var(--lime);font-size:.76rem}
.hero-cover{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.16);
  box-shadow:0 40px 80px -40px rgba(0,0,0,.85);aspect-ratio:4/3;background:#0B2C24;
}
.hero-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- generic section ---------- */
.section{padding:clamp(56px,7vw,92px) 0}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--brand);color:#C7DBD3}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.section--warm{background:linear-gradient(180deg,#FDF7F2 0%,#FFFFFF 100%)}
.section-head{max-width:780px;margin-bottom:clamp(26px,4vw,44px)}
.section-tag{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.76rem;font-weight:800;letter-spacing:.16em;
  color:var(--brand-2);text-transform:uppercase;margin-bottom:.85rem;
}
.section-tag::before{content:"";width:26px;height:2px;background:var(--orange);border-radius:2px}
.section--dark .section-tag{color:var(--lime)}
.section-head h2{font-size:clamp(1.4rem,2.5vw,2rem);margin-bottom:.7rem}
.section-head p{color:var(--muted);font-size:.98rem;line-height:1.9}
.section--dark .section-head p{color:#AECCBF}

/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(26px,4vw,54px);align-items:start}
.article-main{min-width:0}
.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(24px,3.4vw,44px);box-shadow:var(--shadow-sm);
  font-size:1rem;line-height:1.95;color:var(--ink-soft);
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(1.24rem,2vw,1.6rem);margin:2.2rem 0 .9rem;padding-left:.85rem;
  border-left:4px solid var(--lime);line-height:1.4;
}
.article-body h3{font-size:1.1rem;margin:1.7rem 0 .7rem;color:var(--brand)}
.article-body p{margin:0 0 1.15rem}
.article-body a{color:var(--brand-2);font-weight:600;border-bottom:1px solid rgba(24,106,85,.35);transition:color .2s,border-color .2s}
.article-body a:hover{color:var(--orange);border-color:var(--orange)}
.article-body ul,.article-body ol{margin:0 0 1.3rem;padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:1.55rem;margin-bottom:.65rem}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--brand-2);box-shadow:0 0 0 4px rgba(24,106,85,.12);
}
.article-body ol{counter-reset:artnum}
.article-body ol li{counter-increment:artnum}
.article-body ol li::before{
  content:counter(artnum);position:absolute;left:0;top:.28em;
  width:1.15rem;height:1.15rem;border-radius:6px;background:var(--paper-3);color:var(--brand);
  font-size:.72rem;font-weight:800;display:grid;place-items:center;
}
.article-body blockquote{
  margin:1.6rem 0;padding:1.15rem 1.4rem;border-left:4px solid var(--orange);
  background:var(--paper-2);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-soft);
}
.article-body img{border-radius:var(--radius);margin:1.4rem 0;box-shadow:var(--shadow-sm)}
.article-body figure{margin:1.5rem 0}
.article-body figcaption{font-size:.82rem;color:var(--muted);text-align:center;margin-top:.6rem}
.article-body table{width:100%;border-collapse:collapse;margin:1.4rem 0;font-size:.92rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:.7rem .9rem;text-align:left}
.article-body th{background:var(--paper-2);color:var(--brand);font-weight:700}
.article-body strong{color:var(--ink);font-weight:800}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
.article-empty{
  background:#fff;border:1px dashed #C4D6CB;border-radius:var(--radius-lg);
  padding:clamp(30px,5vw,56px);text-align:center;box-shadow:var(--shadow-sm);
}
.article-empty i{font-size:2rem;color:#B7CBC0;margin-bottom:1rem;display:block}
.article-empty h2{font-size:1.3rem;margin-bottom:.6rem}
.article-empty p{color:var(--muted);margin-bottom:1.5rem}

/* ---------- sidebar ---------- */
.side-stack{display:grid;gap:1.15rem;position:sticky;top:104px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow-sm)}
.side-card h3{font-size:1rem;margin-bottom:.75rem}
.side-card p{font-size:.88rem;color:var(--muted);line-height:1.85}
.side-card--dark{background:linear-gradient(160deg,var(--brand) 0%,#0a3229 100%);border-color:transparent;color:#CFE4DA}
.side-card--dark h3{color:#fff}
.side-card--dark p{color:#B8D2C7}
.side-list{display:grid;gap:.7rem;margin-top:.9rem}
.side-list li{display:flex;gap:.6rem;font-size:.88rem;color:var(--ink-soft);line-height:1.7}
.side-list i{color:var(--brand-2);font-size:.8rem;margin-top:.45rem}
.side-cta{display:block;margin-top:1.1rem;width:100%}
.tag-row{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.9rem}
.tag{
  display:inline-flex;align-items:center;padding:.3rem .78rem;border-radius:999px;
  background:var(--paper-3);color:var(--brand);font-size:.78rem;font-weight:600;
  transition:background .2s,color .2s;
}
.tag:hover{background:var(--brand);color:var(--lime)}

/* ---------- grids / cards ---------- */
.grid{display:grid;gap:1.25rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.55rem;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#C6D9CD}
.card h3{font-size:1.04rem;margin-bottom:.5rem}
.card p{font-size:.9rem;color:var(--muted);line-height:1.85}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--paper-3);color:var(--brand);font-size:1rem;margin-bottom:1rem;
}
.section--dark .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);box-shadow:none}
.section--dark .card:hover{background:rgba(255,255,255,.1);border-color:rgba(201,242,107,.4)}
.section--dark .card p{color:#AECCBF}
.section--dark .card-icon{background:rgba(201,242,107,.14);color:var(--lime)}

/* keypoint */
.keypoint{display:flex;gap:1rem;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.keypoint:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.keypoint-num{
  flex:0 0 38px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand);color:var(--lime);font-weight:800;font-size:.86rem;
}
.keypoint h4{font-size:.98rem;margin-bottom:.35rem}
.keypoint p{font-size:.87rem;color:var(--muted);line-height:1.8}

/* interest cards */
.interest-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;
}
.interest-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.interest-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-3)}
.interest-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.interest-card:hover .thumb img{transform:scale(1.05)}
.interest-card .body{padding:1.2rem 1.3rem 1.4rem}
.interest-card h3{font-size:1rem;margin-bottom:.45rem}
.interest-card p{font-size:.87rem;color:var(--muted);line-height:1.8}
.interest-card .meta{display:inline-flex;align-items:center;gap:.4rem;margin-top:.9rem;font-size:.8rem;font-weight:700;color:var(--brand-2)}
.interest-card .meta i{font-size:.72rem;transition:transform .2s}
.interest-card:hover .meta i{transform:translateX(4px)}

/* steps */
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:1.15rem;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem 1.3rem 1.4rem;box-shadow:var(--shadow-sm);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.14em;
  color:var(--brand-2);margin-bottom:.7rem;
}
.step h4{font-size:.98rem;margin-bottom:.4rem}
.step p{font-size:.86rem;color:var(--muted);line-height:1.8}

/* channel block */
.channel-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,52px);align-items:center;
}
.channel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(22px,3vw,34px);box-shadow:var(--shadow);
}
.channel-card .channel-label{font-size:.76rem;font-weight:800;letter-spacing:.14em;color:var(--orange);margin-bottom:.6rem;display:block}
.channel-card h3{font-size:1.2rem;margin-bottom:.6rem}
.channel-card p{font-size:.9rem;color:var(--muted);line-height:1.9}
.channel-link{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  margin-top:1.2rem;padding:.95rem 1.15rem;border-radius:var(--radius);
  background:var(--paper-2);border:1px solid var(--line);
  font-weight:700;color:var(--brand);font-size:.92rem;
  transition:background .22s,border-color .22s,transform .22s,color .22s;
}
.channel-link:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px)}
.channel-link i{font-size:.8rem;transition:transform .2s}
.channel-link:hover i{transform:translateX(4px)}

/* faq */
.faq-list{display:grid;gap:.9rem;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item:hover{border-color:#C6D9CD;box-shadow:var(--shadow)}
.faq-item summary{
  cursor:pointer;padding:1.1rem 1.3rem;font-weight:700;color:var(--ink);font-size:.96rem;
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--brand-2);font-size:.75rem;transition:transform .25s;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-body{padding:0 1.3rem 1.25rem;color:var(--muted);font-size:.9rem;line-height:1.9}

/* cta band */
.cta-band{position:relative;overflow:hidden;background:#08201A;color:#fff}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(100% 120% at 12% 0%,rgba(201,242,107,.18) 0%,rgba(8,32,26,0) 60%),
             linear-gradient(100deg,#08201A 0%,#0F3B30 100%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(20px,4vw,44px);align-items:center;padding:clamp(40px,6vw,72px) 0}
.cta-inner h2{color:#fff;font-size:clamp(1.35rem,2.4vw,1.9rem);margin-bottom:.7rem}
.cta-inner p{color:#B9D3C8;font-size:.95rem;line-height:1.9;max-width:660px}
.cta-actions{display:flex;flex-wrap:wrap;gap:.7rem}

/* ---------- footer ---------- */
.site-footer{background:#061813;color:#9FB8AD;padding:clamp(44px,6vw,72px) 0 0;font-size:.9rem}
.footer-top{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.5fr);gap:clamp(26px,4vw,56px);padding-bottom:2.4rem}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:#7E9A8E}
.footer-desc{margin:1.1rem 0 1.2rem;line-height:1.9;color:#9FB8AD;max-width:420px}
.footer-seal{display:flex;flex-wrap:wrap;gap:.45rem}
.footer-seal span{
  padding:.3rem .8rem;border-radius:999px;font-size:.76rem;
  background:rgba(201,242,107,.1);border:1px solid rgba(201,242,107,.28);color:#CDE8B8;
}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.footer-cols h4{color:#fff;font-size:.92rem;margin-bottom:.9rem;letter-spacing:.04em}
.footer-cols a{display:block;color:#9FB8AD;padding:.22rem 0;transition:color .2s,transform .2s}
.footer-cols a:hover{color:var(--lime);transform:translateX(3px)}
.footer-cols p{line-height:1.9;color:#8CA79B;font-size:.85rem}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:1.2rem 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem;
  font-size:.8rem;color:#7E9A8E;
}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-cover{max-width:520px;aspect-ratio:16/9}
  .article-layout{grid-template-columns:1fr}
  .side-stack{position:static;grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .step-list{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:repeat(3,1fr)}
}
@media screen and (max-width:768px){
  .utility-inner{justify-content:center;text-align:center;font-size:.72rem}
  .nav-inner{height:66px;gap:.8rem}
  .brand-text small{display:none}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:.25rem;
    background:#fff;border-bottom:1px solid var(--line);
    padding:.8rem 1.2rem 1.1rem;box-shadow:var(--shadow);
    display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:.75rem 1rem;border-radius:12px}
  .nav-toggle{display:grid}
  .nav-actions .btn{display:none}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .step-list{grid-template-columns:1fr}
  .side-stack{grid-template-columns:1fr}
  .channel-wrap{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr 1fr}
  .article-body{padding:22px 18px;border-radius:var(--radius)}
  .article-body h2{margin-top:1.8rem}
}
@media screen and (max-width:520px){
  .container,.container-narrow{width:min(100% - 1.6rem,1180px)}
  .article-hero h1{font-size:1.42rem}
  .hero-cover{aspect-ratio:16/10}
  .footer-cols{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .btn{width:100%}
  .nav-actions .btn{width:auto}
  .cta-actions{width:100%}
  .crumb-current{white-space:normal}
}

/* roulang page: category1 */
:root{
  --ink:#0B1F1A;
  --ink-soft:#2E4740;
  --muted:#6A7F79;
  --paper:#FFFFFF;
  --paper-2:#F5F7F2;
  --paper-3:#EAF1E9;
  --brand:#0E4034;
  --brand-2:#186a55;
  --lime:#C9F26B;
  --orange:#FF7A45;
  --line:#DDE6DE;
  --radius-lg:26px;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(11,31,26,.05);
  --shadow:0 18px 44px -26px rgba(11,31,26,.38);
  --shadow-lg:0 34px 80px -34px rgba(11,31,26,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink-soft);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s}
img{max-width:100%;display:block;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;letter-spacing:-.012em;font-weight:800}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(201,242,107,.75);outline-offset:3px;border-radius:8px}
.container{width:min(1180px,100% - 2.4rem);margin-inline:auto}
.container-narrow{width:min(880px,100% - 2.4rem);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- header ---------- */
.utility-bar{background:var(--brand);color:#BCD6CC;font-size:.78rem;letter-spacing:.03em}
.utility-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:36px;padding:.35rem 0}
.utility-inner span{display:inline-flex;align-items:center;gap:.45rem}
.utility-inner i{color:var(--lime);font-size:.75rem}
.site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1.4rem;height:76px}
.brand{display:flex;align-items:center;gap:.72rem;flex-shrink:0}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));
  color:var(--lime);font-weight:800;font-size:1.08rem;
  box-shadow:0 10px 22px -12px rgba(14,64,52,.9);
}
.brand-text strong{display:block;font-size:1.02rem;color:var(--ink);line-height:1.3}
.brand-text small{display:block;font-size:.72rem;color:var(--muted);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:.3rem}
.nav-link{padding:.55rem .95rem;border-radius:999px;font-size:.94rem;color:var(--ink-soft);transition:background .2s,color .2s,transform .2s}
.nav-link:hover{background:var(--paper-3);color:var(--brand);transform:translateY(-1px)}
.nav-link.is-active{background:var(--brand);color:#fff}
.nav-actions{display:flex;align-items:center;gap:.6rem}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--brand);font-size:1rem;place-items:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.86rem 1.6rem;border-radius:999px;border:1px solid transparent;
  font-size:.94rem;font-weight:700;letter-spacing:.01em;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn i{font-size:.86rem}
.btn-primary{background:var(--lime);color:#0A2A21;box-shadow:0 14px 30px -18px rgba(201,242,107,.9)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 38px -18px rgba(201,242,107,.95);color:#0A2A21}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);color:#fff}
.btn-dark{background:var(--brand);color:#fff}
.btn-dark:hover{background:var(--brand-2);transform:translateY(-2px);color:#fff}
.btn-outline{background:transparent;color:var(--brand);border-color:#C4D6CB}
.btn-outline:hover{background:var(--paper-3);transform:translateY(-2px);color:var(--brand)}
.btn-sm{padding:.6rem 1.15rem;font-size:.86rem}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--paper-2);border-bottom:1px solid var(--line)}
.crumb-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:.85rem 0;font-size:.86rem}
.crumbs{display:flex;align-items:center;gap:.55rem;color:var(--muted)}
.crumbs a{color:var(--brand-2);font-weight:600}
.crumbs a:hover{color:var(--orange)}
.crumbs i{font-size:.65rem;color:#9DB2AA}
.crumbs .current{color:var(--ink);font-weight:700}
.crumb-back{display:inline-flex;align-items:center;gap:.4rem;color:var(--brand);font-weight:700;font-size:.84rem}
.crumb-back:hover{color:var(--orange)}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:#08201A;color:#fff;padding:clamp(44px,5.5vw,72px) 0 0}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.42}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(112deg,rgba(6,26,21,.96) 0%,rgba(8,32,26,.87) 50%,rgba(12,44,36,.62) 100%);
}
.hero-wrap{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .95rem;border-radius:999px;
  background:rgba(201,242,107,.14);border:1px solid rgba(201,242,107,.42);
  color:var(--lime);font-size:.78rem;letter-spacing:.12em;font-weight:700;
}
.page-hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:clamp(1.6rem,4vw,3rem);align-items:center;margin-top:1.2rem}
.page-hero h1{margin:0 0 1rem;color:#fff;font-size:clamp(1.72rem,3.3vw,2.72rem);line-height:1.25;letter-spacing:-.025em}
.hero-lead{color:#C3D8D0;font-size:1rem;line-height:1.95;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.7rem 0 1.4rem}
.hero-checks{display:flex;flex-wrap:wrap;gap:.55rem 1.3rem;color:#D6E8E1;font-size:.88rem}
.hero-checks span{display:inline-flex;align-items:center;gap:.45rem}
.hero-checks i{color:var(--lime);font-size:.76rem}
.hero-panel{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-lg);padding:1.5rem 1.5rem 1.15rem;backdrop-filter:blur(8px);
  box-shadow:0 30px 60px -40px rgba(0,0,0,.9);
}
.hero-panel h2{color:#fff;font-size:.95rem;letter-spacing:.08em;margin-bottom:.9rem}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.72rem 0;border-bottom:1px dashed rgba(255,255,255,.16);font-size:.9rem;color:#C3D8D0}
.panel-row:last-of-type{border-bottom:0}
.panel-row strong{color:var(--lime);font-size:1rem;letter-spacing:-.01em}
.panel-note{margin-top:.9rem;font-size:.76rem;color:#9DBAB0;line-height:1.7}
.metric-strip{
  position:relative;z-index:2;margin-top:clamp(30px,4.5vw,52px);
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.18);
}
.metric-item{padding:1.3rem 1.1rem 1.5rem;border-right:1px solid rgba(255,255,255,.1)}
.metric-item:last-child{border-right:0}
.metric-item strong{display:block;color:#fff;font-size:clamp(1.3rem,2.2vw,1.72rem);letter-spacing:-.02em;line-height:1.2}
.metric-item span{display:block;margin-top:.3rem;font-size:.8rem;color:#A9C4BA}

/* ---------- sections ---------- */
.section{padding:clamp(56px,7vw,96px) 0}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--brand);color:#C7DBD3}
.section--dark h2,.section--dark h3{color:#fff}
.section--warm{background:linear-gradient(180deg,#FDF7F2 0%,#FFFFFF 100%)}
.section-head{max-width:780px;margin-bottom:clamp(26px,3.6vw,44px)}
.section-tag{
  display:inline-flex;align-items:center;gap:.45rem;font-size:.76rem;font-weight:800;
  letter-spacing:.16em;color:var(--brand-2);text-transform:uppercase;margin-bottom:.85rem;
}
.section-tag::before{content:"";width:26px;height:2px;background:var(--orange);border-radius:2px}
.section--dark .section-tag{color:var(--lime)}
.section-head h2{font-size:clamp(1.45rem,2.6vw,2.1rem);margin-bottom:.7rem}
.section-head p{color:var(--muted);font-size:.98rem;line-height:1.9}
.section--dark .section-head p{color:#AECCBF}
.grid{display:grid;gap:1.25rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.55rem;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#C6D9CD}
.card h3{font-size:1.04rem;margin-bottom:.55rem}
.card p{color:var(--muted);font-size:.92rem;line-height:1.85;margin:0}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--paper-3);color:var(--brand);font-size:1.05rem;margin-bottom:1rem;
  transition:background .25s,color .25s;
}
.card:hover .card-icon{background:var(--brand);color:var(--lime)}
.tag{
  display:inline-flex;align-items:center;gap:.35rem;padding:.28rem .7rem;border-radius:999px;
  background:var(--paper-3);color:var(--brand);font-size:.74rem;font-weight:700;letter-spacing:.03em;
}
.tag--lime{background:rgba(201,242,107,.22);color:#2F5B1A}

/* scene cards */
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.scene-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.scene-card:hover .scene-media img{transform:scale(1.05)}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,32,26,0) 40%,rgba(8,32,26,.62) 100%)}
.scene-badge{
  position:absolute;left:.9rem;top:.9rem;z-index:2;
  padding:.24rem .68rem;border-radius:999px;font-size:.72rem;font-weight:800;
  background:rgba(255,255,255,.92);color:var(--brand);
}
.scene-body{padding:1.2rem 1.3rem 1.4rem}
.scene-body h3{font-size:1rem;margin-bottom:.4rem}
.scene-body p{color:var(--muted);font-size:.9rem;line-height:1.8;margin:0}
.scene-meta{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.85rem}

/* steps */
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem;counter-reset:step}
.step-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem 1.35rem;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:var(--brand);color:var(--lime);font-weight:800;font-size:.92rem;margin-bottom:.9rem;
}
.step-item h3{font-size:.98rem;margin-bottom:.4rem}
.step-item p{color:var(--muted);font-size:.89rem;line-height:1.8;margin:0}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.6rem,4vw,3rem);align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.14)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.check-list{display:grid;gap:.85rem;margin-top:1.4rem}
.check-list li{display:flex;gap:.75rem;align-items:flex-start;font-size:.94rem;line-height:1.8}
.check-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  background:rgba(201,242,107,.18);color:var(--lime);font-size:.72rem;margin-top:.28rem;
}
.section--dark .check-list li{color:#C7DBD3}
.check-list strong{color:#fff;display:block;margin-bottom:.1rem}

/* stats band */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
.stat-box{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:1.4rem 1.3rem;transition:background .25s,transform .25s;
}
.stat-box:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.stat-box strong{display:block;color:var(--lime);font-size:clamp(1.4rem,2.4vw,1.9rem);line-height:1.15;letter-spacing:-.03em}
.stat-box span{display:block;margin-top:.45rem;color:#C7DBD3;font-size:.86rem;line-height:1.7}

/* quotes */
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:1rem;transition:transform .25s,box-shadow .25s}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.quote-mark{color:var(--orange);font-size:1.1rem}
.quote-card p{color:var(--ink-soft);font-size:.93rem;line-height:1.9;margin:0;flex:1}
.quote-person{display:flex;align-items:center;gap:.7rem;border-top:1px solid var(--line);padding-top:.9rem}
.avatar{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));color:var(--lime);
  font-weight:800;font-size:.9rem;
}
.quote-person strong{display:block;font-size:.9rem;color:var(--ink);line-height:1.4}
.quote-person small{display:block;font-size:.76rem;color:var(--muted)}

/* faq */
.faq-list{display:grid;gap:.85rem}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item[open]{border-color:#C6D9CD;box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:1.15rem 1.4rem;display:flex;align-items:center;justify-content:space-between;
  gap:1rem;font-weight:700;color:var(--ink);font-size:.98rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.72rem;color:var(--brand-2);transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item summary:hover{color:var(--brand-2)}
.faq-body{padding:0 1.4rem 1.3rem;color:var(--muted);font-size:.92rem;line-height:1.9}

/* cta + form */
.cta-band{background:linear-gradient(130deg,#0B332B 0%,#12493C 60%,#1A5B49 100%);color:#fff;border-radius:var(--radius-lg);padding:clamp(1.8rem,4vw,3rem);box-shadow:var(--shadow-lg);display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,2.8rem);align-items:start}
.cta-band h2{color:#fff;font-size:clamp(1.35rem,2.4vw,1.9rem);margin-bottom:.75rem}
.cta-band p{color:#BFD6CC;font-size:.93rem;line-height:1.9}
.cta-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.2rem}
.cta-badges span{padding:.32rem .75rem;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);font-size:.76rem;color:#DCEBE4}
.join-form{background:rgba(255,255,255,.96);border-radius:var(--radius);padding:1.4rem;box-shadow:0 24px 50px -34px rgba(0,0,0,.8)}
.join-form label{display:block;font-size:.82rem;font-weight:700;color:var(--ink);margin-bottom:.85rem}
.join-form input,.join-form select,.join-form textarea{
  display:block;width:100%;margin-top:.35rem;padding:.68rem .85rem;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink-soft);font-size:.9rem;font-family:inherit;
  transition:border-color .2s,box-shadow .2s;
}
.join-form input:focus,.join-form select:focus,.join-form textarea:focus{
  outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(24,106,85,.14);
}
.join-form textarea{resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:.85rem}
.join-form .btn{width:100%;margin-top:.35rem}
.form-tip{margin:.85rem 0 0;font-size:.82rem;color:var(--brand-2);font-weight:700}

/* footer */
.site-footer{background:#071A15;color:#9FBAB0;padding:clamp(46px,5.5vw,74px) 0 0;margin-top:0}
.footer-top{display:grid;grid-template-columns:.95fr 1.4fr;gap:clamp(1.6rem,4vw,3rem);padding-bottom:2.4rem}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text small{color:#7E9A90}
.footer-desc{margin-top:1rem;font-size:.88rem;line-height:1.9;color:#8FAAA1;max-width:420px}
.footer-seal{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1.1rem}
.footer-seal span{padding:.26rem .7rem;border-radius:999px;border:1px solid rgba(255,255,255,.16);font-size:.74rem;color:#B9D0C7}
.footer-cols{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:1.6rem}
.footer-cols h4{color:#fff;font-size:.92rem;margin-bottom:.85rem}
.footer-cols a{display:block;font-size:.86rem;color:#9FBAB0;padding:.24rem 0;transition:color .2s,transform .2s}
.footer-cols a:hover{color:var(--lime);transform:translateX(2px)}
.footer-cols p{font-size:.83rem;line-height:1.85;color:#8FAAA1;margin:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:1.1rem 0 1.4rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.8rem;color:#7E9A90}
.footer-bottom p{margin:0}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .page-hero-grid{grid-template-columns:1fr;gap:1.8rem}
  .hero-panel{max-width:560px}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .metric-item:nth-child(2){border-right:0}
  .metric-item:nth-child(1),.metric-item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.12)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .step-list{grid-template-columns:repeat(2,1fr)}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:.15rem;
    background:#fff;border-bottom:1px solid var(--line);
    padding:.7rem 1.2rem 1rem;box-shadow:var(--shadow);display:none;
  }
  .main-nav.is-open{display:flex}
  .main-nav .nav-link{padding:.7rem .9rem;border-radius:12px}
  .nav-toggle{display:grid}
  .utility-inner span:last-child{display:none}
  .footer-cols{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-inner{height:66px}
  .brand-mark{width:40px;height:40px;border-radius:12px;font-size:1rem}
  .brand-text strong{font-size:.94rem}
  .brand-text small{display:none}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .step-list{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .crumb-inner{padding:.75rem 0}
  .section{padding:48px 0}
}
@media (max-width:520px){
  .container,.container-narrow{width:calc(100% - 1.8rem)}
  .metric-strip{grid-template-columns:1fr}
  .metric-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);padding:1rem .8rem}
  .metric-item:last-child{border-bottom:0}
  .hero-actions .btn{width:100%}
  .hero-checks{font-size:.82rem}
  .card,.step-item{padding:1.25rem}
  .footer-cols{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:.35rem}
  .faq-item summary{font-size:.92rem;padding:1rem 1.1rem}
  .faq-body{padding:0 1.1rem 1.1rem}
}