/* roulang page: index */
:root{
  --brand:#FF5B2E;
  --brand-dark:#E14A20;
  --brand-soft:#FFF1EB;
  --green:#0F3D33;
  --green-soft:#155044;
  --lime:#D6F94A;
  --ink:#14181A;
  --body:#4A5257;
  --muted:#8A9199;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6E1D8;
  --danger:#D9534F;
  --r-sm:10px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,24,26,.04);
  --sh-2:0 12px 32px rgba(20,24,26,.08);
  --sh-3:0 18px 44px rgba(20,24,26,.12);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --num:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);font-weight:700;line-height:1.3}
h1{font-size:clamp(30px,4vw,52px);line-height:1.2}
h2{font-size:clamp(24px,2.6vw,34px)}
h3{font-size:clamp(17px,1.5vw,20px);font-weight:600;line-height:1.45}
p{margin:0 0 1.1em;max-width:42em}
ul,ol{margin:0 0 1.2em;padding-left:1.3em;line-height:1.85}
button,input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.sec{padding:var(--sec) 0}
.sec-tight{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;flex-wrap:wrap}
.sec-head h2{margin-bottom:8px}
.sec-head .sec-desc{margin:0;color:var(--muted);font-size:15px;max-width:44em}
.sec-link{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap}
.sec-link i{margin-left:6px;transition:transform .22s ease}
.sec-link:hover i{transform:translateX(4px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--brand)}
h2.title-bar{position:relative;padding-left:16px}
h2.title-bar::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;line-height:1;
  padding:14px 28px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  text-decoration:none;
}
.btn:focus-visible{box-shadow:0 0 0 3px rgba(255,91,46,.28)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(255,91,46,.24)}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,91,46,.32)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--green);box-shadow:var(--sh-2)}
.btn-light:hover{color:var(--brand);transform:translateY(-2px)}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- Badges ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge-lime{background:var(--lime);color:var(--green)}
.badge-outline{background:transparent;border:1px solid var(--line);color:var(--body)}
.badge-brand{background:var(--brand-soft);color:var(--brand)}
.badge-dark{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.28)}
.num{font-family:var(--num);font-weight:700;letter-spacing:.01em}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(247,244,239,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--ink);font-size:18px;letter-spacing:.01em}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 42px;
  background:linear-gradient(135deg,var(--brand),var(--green));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;
  box-shadow:0 8px 18px rgba(255,91,46,.26);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.1em}
.nav-main{display:flex;align-items:center;gap:6px}
.nav-main > a{
  position:relative;padding:10px 14px;font-size:15px;font-weight:600;color:var(--ink);
  border-radius:var(--r-sm);
}
.nav-main > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-main > a:hover{color:var(--brand);background:rgba(255,91,46,.06)}
.nav-main > a:hover::after{background:var(--brand);transform:scaleX(1)}
.nav-main > a.active{color:var(--green)}
.nav-main > a.active::after{transform:scaleX(1)}
.nav-side{display:flex;align-items:center;gap:10px}
.mega-toggle{
  display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-pill);padding:10px 18px;font-size:14px;font-weight:600;color:var(--ink);
  cursor:pointer;transition:all .2s ease;
}
.mega-toggle:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--sh-1)}
.mega-toggle i{font-size:12px;transition:transform .2s ease}
.mega-toggle[aria-expanded="true"] i{transform:rotate(180deg)}
.navbar-toggler{
  border:1px solid var(--line);background:#fff;border-radius:14px;padding:9px 13px;color:var(--ink);
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(255,91,46,.18)}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2314181A' stroke-linecap='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ---------- Mega panel ---------- */
.mega-panel{
  position:absolute;right:24px;top:calc(100% + 10px);
  width:min(920px,calc(100% - 32px));
  background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-3);
  border-top:3px solid var(--brand);
  padding:28px;display:none;z-index:1050;
}
.mega-panel.open{display:block;animation:megaIn .22s ease}
@keyframes megaIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.mega-grid{display:grid;grid-template-columns:1.1fr 1.1fr 1fr;gap:28px}
.mega-col h4{font-size:13px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-bottom:14px;font-weight:600}
.mega-col ul{list-style:none;padding:0;margin:0}
.mega-col li{margin-bottom:10px}
.mega-col li a{font-size:14.5px;color:var(--ink);font-weight:500;display:flex;align-items:center;gap:8px}
.mega-col li a i{color:var(--brand);font-size:12px}
.mega-col li a:hover{color:var(--brand);transform:translateX(2px)}
.mega-post{display:block;padding:10px 0;border-bottom:1px dashed var(--line)}
.mega-post:last-child{border-bottom:0}
.mega-post strong{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.5}
.mega-post span{font-size:12.5px;color:var(--muted)}
.mega-post:hover strong{color:var(--brand)}
.mega-entry{
  border-radius:var(--r-md);overflow:hidden;position:relative;display:block;background:var(--green);
}
.mega-entry img{height:150px;width:100%;object-fit:cover;opacity:.72;transition:transform .4s ease}
.mega-entry:hover img{transform:scale(1.05)}
.mega-entry-body{position:absolute;left:0;right:0;bottom:0;padding:16px}
.mega-entry-body strong{display:block;color:#fff;font-size:15px;font-weight:700}
.mega-entry-body span{color:var(--lime);font-size:12.5px;font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(135deg,rgba(255,91,46,.92),rgba(15,61,51,.94)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  border-radius:0 0 var(--r-lg) var(--r-lg);
}
.hero::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(214,249,74,.28),rgba(214,249,74,0) 68%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:96px 0 88px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:var(--r-pill);
  padding:7px 16px;font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(214,249,74,.22)}
.hero h1{color:#fff;margin-bottom:20px;text-shadow:0 2px 18px rgba(0,0,0,.16)}
.hero-sub{color:rgba(255,255,255,.9);font-size:17px;max-width:38em;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.62)}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-card{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-md);padding:22px 20px;
  transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
}
.stat-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.16);border-color:rgba(214,249,74,.6)}
.stat-num{font-family:var(--num);font-size:34px;font-weight:700;color:var(--lime);line-height:1}
.stat-label{display:block;font-size:13px;color:rgba(255,255,255,.82);margin-top:8px}

/* ---------- Statement band ---------- */
.statement{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px 44px;margin-top:-56px;position:relative;z-index:5;box-shadow:var(--sh-2);
}
.statement-lead{font-size:clamp(18px,1.8vw,22px);font-weight:700;color:var(--ink);max-width:30em;margin-bottom:26px;line-height:1.6}
.statement-lead em{font-style:normal;color:var(--brand)}
.statement-bar{display:flex;gap:0;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px}
.statement-item{flex:1 1 180px;padding-right:26px;margin-bottom:8px}
.statement-item strong{display:block;font-family:var(--num);font-size:26px;color:var(--green);line-height:1.1}
.statement-item span{font-size:13.5px;color:var(--muted)}

/* ---------- Story ---------- */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.story-media{position:relative}
.story-media .m1{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.story-media .m1 img{aspect-ratio:4/3;object-fit:cover;width:100%}
.story-media .m2{
  position:absolute;right:-18px;bottom:-40px;width:52%;border-radius:var(--r-md);overflow:hidden;
  border:6px solid var(--bg);box-shadow:var(--sh-3);
}
.story-media .m2 img{aspect-ratio:16/9;object-fit:cover;width:100%}
.story-float{
  position:absolute;left:-16px;top:32px;background:var(--green);color:#fff;border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--sh-3);
}
.story-float strong{display:block;font-family:var(--num);font-size:26px;color:var(--lime);line-height:1}
.story-float span{font-size:12.5px;color:rgba(255,255,255,.8)}
.story-list{list-style:none;padding:0;margin:32px 0 0}
.story-list li{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.story-list li:last-child{border-bottom:0}
.story-idx{
  font-family:var(--num);font-size:26px;font-weight:700;color:var(--brand);
  line-height:1;min-width:48px;opacity:.9;
}
.story-body h3{margin-bottom:6px}
.story-body p{margin:0;font-size:15px;color:var(--body)}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.b-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.b-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:transparent}
.b-card .thumb{overflow:hidden}
.b-card .thumb img{width:100%;object-fit:cover;transition:transform .5s ease}
.b-card:hover .thumb img{transform:scale(1.06)}
.b-card:hover .cat-tag{color:var(--brand);border-color:var(--brand)}
.b-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.b-body h3{margin:0}
.b-body p{margin:0;font-size:14.5px;color:var(--body);max-width:34em}
.cat-tag{
  display:inline-flex;align-self:flex-start;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);border:1px solid var(--line);
  font-size:12.5px;font-weight:600;color:var(--green);transition:color .2s ease,border-color .2s ease;
}
.b-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);margin-top:auto}
.b-meta i{color:var(--brand);margin-right:4px}
.bento-a{grid-column:span 2;grid-row:span 2}
.bento-a .thumb img{aspect-ratio:16/9;height:100%}
.bento-a .b-body{padding:28px 30px 30px}
.bento-a h3{font-size:22px}
.bento-b,.bento-c{grid-column:span 2}
.bento-b .thumb img,.bento-c .thumb img{aspect-ratio:16/9}
.bento-d{grid-column:span 4;flex-direction:row;align-items:stretch}
.bento-d .thumb{flex:0 0 320px}
.bento-d .thumb img{height:100%;aspect-ratio:auto;min-height:200px}
.bento-d .b-body{justify-content:center;padding:28px 34px}

/* ---------- Post list (CMS) ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;
  display:flex;flex-direction:column;gap:12px;box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.post-card:hover h3{color:var(--brand)}
.post-card h3{margin:0;font-size:18px;transition:color .2s ease}
.post-card h3 a{color:inherit}
.post-card .excerpt{margin:0;font-size:14.5px;color:var(--body);flex:1}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:14px}
.post-foot .more{color:var(--brand);font-weight:600}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-md);
  padding:56px 28px;text-align:center;
}
.empty-illu{
  width:96px;height:96px;border-radius:24px;margin:0 auto 20px;
  background:linear-gradient(135deg,var(--brand-soft),#fff);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:34px;
}
.empty-state p{max-width:none;margin-bottom:20px;color:var(--muted)}

/* ---------- Trust ---------- */
.trust{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:52px}
.trust-item{
  border:1px solid var(--line);border-radius:var(--r-md);padding:28px 26px;background:var(--bg);
  transition:transform .26s ease,box-shadow .26s ease;
}
.trust-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.trust-item .num{font-size:40px;color:var(--green);line-height:1;display:block;margin-bottom:8px}
.trust-item .num em{font-style:normal;color:var(--brand);font-size:22px}
.trust-item strong{display:block;font-size:15.5px;color:var(--ink);margin-bottom:4px}
.trust-item span{font-size:13.5px;color:var(--muted)}
.logo-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.logo-chip{
  flex:1 1 150px;height:64px;border:1px solid var(--line);border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;gap:8px;
  color:#9AA1A6;font-size:13.5px;font-weight:600;letter-spacing:.04em;background:var(--bg);
  filter:grayscale(1);transition:filter .25s ease,color .25s ease,border-color .25s ease;
}
.logo-chip:hover{filter:grayscale(0);color:var(--green);border-color:var(--green)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;
  overflow:hidden;transition:box-shadow .24s ease,border-color .24s ease;
}
.faq-item.open{border-color:transparent;box-shadow:var(--sh-2);border-left:4px solid var(--brand)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;padding:22px 26px;
  font-size:16.5px;font-weight:600;color:var(--ink);cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-q:hover{color:var(--brand)}
.faq-q .ico{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .26s ease,background-color .26s ease,color .26s ease;
}
.faq-item.open .faq-q .ico{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 26px 24px;margin:0;font-size:15px;color:var(--body);max-width:none}

/* ---------- CTA ---------- */
.cta-band{
  background-image:linear-gradient(135deg,var(--brand),var(--green));
  border-radius:var(--r-lg);padding:56px 56px;color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-100px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(214,249,74,.3),rgba(214,249,74,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.88);max-width:32em;margin-bottom:0}
.sub-form{display:flex;gap:12px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);padding:10px;border-radius:var(--r-pill)}
.sub-form input{
  flex:1;border:0;background:transparent;color:#fff;padding:12px 18px;border-radius:var(--r-pill);min-width:0;
}
.sub-form input::placeholder{color:rgba(255,255,255,.66)}
.sub-form input:focus{outline:none;background:rgba(255,255,255,.12)}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.72);margin:12px 0 0 8px}

/* ---------- Footer ---------- */
.site-footer{background:var(--green);color:rgba(255,255,255,.74);padding:72px 0 0;margin-top:96px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.site-footer a{color:rgba(255,255,255,.74);font-size:14.5px}
.site-footer a:hover{color:var(--lime)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--lime),var(--brand));color:var(--green);box-shadow:none}
.footer-about{font-size:14.5px;max-width:32em;color:rgba(255,255,255,.72)}
.footer-list{list-style:none;padding:0;margin:0}
.footer-list li{margin-bottom:11px}
.footer-contact li{display:flex;gap:10px;font-size:14.5px}
.footer-contact i{color:var(--lime);margin-top:6px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-soc{display:flex;gap:12px}
.footer-soc a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.footer-soc a:hover{background:var(--lime);color:var(--green);border-color:var(--lime)}

/* ---------- Responsive ---------- */
@media (max-width:1399px){
  :root{--sec:80px}
  .container{max-width:1080px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-a{grid-column:span 2;grid-row:span 1}
  .bento-b,.bento-c{grid-column:span 1}
  .bento-d{grid-column:span 2}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--sec:72px}
  .hero-inner{grid-template-columns:1fr;gap:44px;padding:72px 0 64px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .story-grid{grid-template-columns:1fr;gap:72px}
  .story-media .m2{position:static;width:100%;margin-top:16px;border:0;box-shadow:var(--sh-2)}
  .story-float{position:static;display:inline-flex;gap:12px;align-items:center;margin-bottom:16px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:40px 32px}
  .nav-main{display:none}
  .nav-main.mobile-open{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:absolute;left:0;right:0;top:100%;background:#fff;padding:16px 20px 24px;
    border-bottom:1px solid var(--line);box-shadow:var(--sh-2);
  }
  .nav-main.mobile-open > a{padding:14px 10px;border-bottom:1px solid var(--line)}
  .nav-main.mobile-open > a::after{display:none}
  .mega-panel{right:16px;left:16px;width:auto;top:calc(100% + 6px)}
  .mega-grid{grid-template-columns:1fr;gap:22px}
  .bento-d{flex-direction:column}
  .bento-d .thumb{flex:none}
  .bento-d .thumb img{height:220px;min-height:0}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 16px}
  .brand-text small{display:none}
  .hero-inner{padding:56px 0 52px}
  .hero-actions .btn{width:100%}
  .statement{padding:28px 22px;margin-top:-36px}
  .statement-item{flex:1 1 100%;padding-right:0}
  .bento{grid-template-columns:1fr}
  .bento-a,.bento-b,.bento-c,.bento-d{grid-column:span 1}
  .bento-a h3{font-size:19px}
  .post-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-band{padding:32px 22px;border-radius:var(--r-md)}
  .sub-form{flex-direction:column;border-radius:var(--r-md);padding:14px}
  .sub-form input{padding:12px 14px;background:rgba(255,255,255,.14)}
  .sub-form .btn{width:100%}
  .sec-head{margin-bottom:30px}
  .logo-chip{flex:1 1 44%}
}

/* roulang page: category1 */
:root{
  --brand:#FF5B2E;
  --brand-dark:#E44A20;
  --deep:#0F3D33;
  --deep-2:#0B2E27;
  --lime:#D6F94A;
  --ink:#14181A;
  --body:#4A5257;
  --muted:#8A9199;
  --sand:#F7F4EF;
  --white:#FFFFFF;
  --line:#E6E1D8;
  --danger:#D64545;
  --r-sm:10px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,24,26,.04);
  --sh-2:0 12px 32px rgba(20,24,26,.08);
  --sh-3:0 18px 44px rgba(20,24,26,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --sec:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;box-shadow:0 0 0 3px rgba(255,91,46,.22);border-radius:6px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.section-tight{padding:72px 0;}
.sec-head{margin-bottom:44px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand);font-weight:700;margin-bottom:14px;
}
.sec-head h2{
  font-size:clamp(23px,2.4vw,32px);
  position:relative;
  padding-left:18px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--deep));
}
.sec-head p{margin-top:14px;max-width:640px;color:var(--body);font-size:15.5px;}

/* ===== header / nav ===== */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(247,244,239,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--deep));
  color:#fff;font-size:17px;
  box-shadow:0 8px 18px rgba(255,91,46,.28);
}
.brand-text{
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.15;letter-spacing:.01em;
}
.brand-text small{
  display:block;font-family:var(--font-num);font-size:11px;letter-spacing:.18em;
  color:var(--muted);font-weight:600;margin-top:3px;
}
.nav-main{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;}
.nav-main a{
  position:relative;
  padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--body);white-space:nowrap;
}
.nav-main a:hover{color:var(--brand);background:rgba(255,91,46,.07);}
.nav-main a.active{color:var(--deep);}
.nav-main a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;border-radius:3px;
  background:var(--deep);
}
.nav-side{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.mega-toggle{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:var(--ink);color:#fff;font-size:14px;font-weight:600;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.mega-toggle:hover{background:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2);}
.mega-toggle i{font-size:11px;transition:transform .22s ease;}
.mega-toggle[aria-expanded="true"] i{transform:rotate(180deg);}
.navbar-toggler{
  width:44px;height:44px;border-radius:12px;background:var(--white);
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
}
.navbar-toggler-icon{
  display:block;width:20px;height:14px;position:relative;
  background:linear-gradient(var(--ink),var(--ink)) 0 0/100% 2px no-repeat,
             linear-gradient(var(--ink),var(--ink)) 0 6px/100% 2px no-repeat,
             linear-gradient(var(--ink),var(--ink)) 0 12px/100% 2px no-repeat;
}
.mega-panel{
  position:absolute;right:24px;top:calc(100% + 14px);width:min(760px,100%);
  background:var(--white);border-radius:var(--r-md);
  box-shadow:var(--sh-3);border:1px solid var(--line);
  padding:26px;display:none;overflow:hidden;
}
.mega-panel::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--deep));
}
.mega-panel.show{display:block;animation:megaIn .22s ease;}
@keyframes megaIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:26px;}
.mega-col h4{
  font-size:13px;letter-spacing:.1em;color:var(--muted);font-weight:700;margin-bottom:12px;
}
.mega-col ul li{margin-bottom:9px;}
.mega-col ul a{font-size:14.5px;color:var(--body);display:inline-flex;align-items:center;gap:8px;}
.mega-col ul a i{color:var(--brand);font-size:12px;}
.mega-post{display:block;padding:10px 12px;border-radius:var(--r-sm);margin-bottom:8px;}
.mega-post:hover{background:var(--sand);}
.mega-post strong{display:block;font-size:14px;color:var(--ink);line-height:1.5;}
.mega-post span{font-size:12.5px;color:var(--muted);}
.mega-entry{
  display:flex;gap:12px;align-items:center;padding:12px;border-radius:var(--r-sm);
  background:var(--sand);border:1px solid var(--line);
}
.mega-entry img{width:66px;height:50px;object-fit:cover;border-radius:var(--r-sm);}
.mega-entry span{font-size:13.5px;font-weight:600;color:var(--ink);}

/* ===== category hero ===== */
.cat-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(15,61,51,.9),rgba(255,91,46,.72)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;padding:78px 0 70px;
}
.cat-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:5px;
  background:linear-gradient(90deg,var(--lime),var(--brand),var(--deep));
}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px;color:rgba(255,255,255,.78);}
.crumb a{color:rgba(255,255,255,.92);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.55;}
.cat-hero h1{
  color:#fff;font-size:clamp(30px,4vw,50px);line-height:1.2;margin:20px 0 16px;
  max-width:16em;
}
.cat-hero .lead{
  max-width:44em;color:rgba(255,255,255,.9);font-size:16.5px;line-height:1.85;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:600;color:#fff;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ===== buttons ===== */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-main{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(255,91,46,.28);}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand);}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost:active{transform:translateY(0);}
.btn-on-dark{background:var(--lime);color:var(--deep);box-shadow:0 10px 24px rgba(214,249,74,.24);}
.btn-on-dark:hover{background:#c8ef34;color:var(--deep);transform:translateY(-2px);}
.btn-line-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6);}
.btn-line-light:hover{background:#fff;color:var(--deep);transform:translateY(-2px);}

/* ===== tags / badges ===== */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  background:rgba(255,91,46,.1);color:var(--brand);
}
.card:hover .tag{background:var(--brand);color:#fff;}
.badge-lime{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--lime);color:var(--deep);
  font-size:12.5px;font-weight:700;
}
.badge-lime b{font-family:var(--font-num);font-size:16px;letter-spacing:.02em;}

/* ===== cards ===== */
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;height:100%;
  box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:transparent;}
.card h3{font-size:19px;margin:14px 0 10px;}
.card p{font-size:15px;color:var(--body);}
.card-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);
}
.card-meta a{font-weight:700;color:var(--brand);}
.ratio-16x9{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-md);}
.ratio-4x3{position:relative;width:100%;aspect-ratio:4/3;overflow:hidden;border-radius:var(--r-md);}
.ratio-16x9 img,.ratio-4x3 img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .ratio-16x9 img,.card:hover .ratio-4x3 img{transform:scale(1.04);}

/* ===== editorial rows ===== */
.editorial{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.editorial + .editorial{margin-top:72px;}
.editorial.reverse .ed-media{order:-1;}
.ed-media{position:relative;}
.ed-media .ratio-4x3{border-radius:var(--r-lg);box-shadow:var(--sh-2);}
.ed-media .float-badge{
  position:absolute;left:-18px;bottom:22px;
  background:var(--white);border-radius:var(--r-md);padding:14px 20px;
  box-shadow:var(--sh-2);border:1px solid var(--line);
}
.ed-media .float-badge b{font-family:var(--font-num);font-size:26px;color:var(--deep);display:block;line-height:1;}
.ed-media .float-badge span{font-size:12.5px;color:var(--muted);}
.ed-index{
  font-family:var(--font-num);font-size:44px;font-weight:700;color:rgba(255,91,46,.22);line-height:1;
}
.ed-body h3{font-size:22px;margin:12px 0 14px;}
.ed-body p{font-size:15.5px;color:var(--body);}
.ed-list{margin-top:20px;}
.ed-list li{
  position:relative;padding-left:22px;margin-bottom:10px;font-size:15px;color:var(--body);
}
.ed-list li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:3px;
  background:var(--brand);
}
.ed-body .btn-ghost{margin-top:24px;padding:11px 24px;font-size:14px;}

/* ===== steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px;position:relative;overflow:hidden;
  transition:transform .26s ease,box-shadow .26s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.step .num{
  font-family:var(--font-num);font-size:38px;font-weight:700;color:var(--brand);line-height:1;
  opacity:.9;
}
.step h3{font-size:17px;margin:14px 0 8px;}
.step p{font-size:14.5px;color:var(--body);}
.step .time{display:block;margin-top:14px;font-size:12.5px;color:var(--muted);}

/* ===== data band ===== */
.data-band{
  background:linear-gradient(135deg,var(--deep),#123f36);
  border-radius:var(--r-lg);padding:52px 44px;color:#fff;
}
.data-band h2{color:#fff;font-size:clamp(22px,2.3vw,30px);}
.data-band .sec-sub{color:rgba(255,255,255,.78);margin-top:14px;max-width:620px;font-size:15.5px;}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px;}
.data-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:22px;
}
.data-item b{
  font-family:var(--font-num);font-size:40px;color:var(--lime);display:block;line-height:1;
}
.data-item span{display:block;margin-top:10px;font-size:14.5px;color:#fff;font-weight:600;}
.data-item small{display:block;margin-top:6px;font-size:12.5px;color:rgba(255,255,255,.62);}

/* ===== qa cards ===== */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.qa{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);transition:box-shadow .26s ease,transform .26s ease;
}
.qa:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.qa h3{font-size:17.5px;display:flex;gap:12px;align-items:flex-start;}
.qa h3 i{color:var(--brand);font-size:15px;margin-top:5px;}
.qa p{margin-top:12px;font-size:15px;color:var(--body);}

/* ===== cta ===== */
.cta-band{
  background:linear-gradient(135deg,var(--brand),var(--deep));
  border-radius:var(--r-lg);padding:54px 46px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,32px);max-width:16em;}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.88);max-width:40em;font-size:15.5px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===== footer ===== */
.site-footer{
  background:var(--deep-2);color:rgba(255,255,255,.78);padding:72px 0 28px;margin-top:96px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:17px;font-weight:700;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--brand),var(--lime));color:var(--deep);}
.footer-about{margin-top:18px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.66);max-width:32em;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-list li{margin-bottom:11px;}
.footer-list a{font-size:14.5px;color:rgba(255,255,255,.72);}
.footer-list a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--lime);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.58);
}
.footer-soc{display:flex;gap:12px;}
.footer-soc a{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:#fff;font-size:14px;
  transition:background .22s ease,transform .22s ease,color .22s ease;
}
.footer-soc a:hover{background:var(--lime);color:var(--deep);transform:translateY(-2px);}

/* ===== responsive ===== */
@media (max-width:1399px){
  .container{max-width:1080px;}
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  :root{--sec:72px;}
  .nav-main{
    display:none;
  }
  .nav-main.open{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:absolute;left:16px;right:16px;top:calc(100% + 10px);
    background:var(--white);border-radius:var(--r-md);border:1px solid var(--line);
    box-shadow:var(--sh-3);padding:12px;
  }
  .nav-main.open a{padding:12px 14px;border-bottom:1px solid var(--line);}
  .nav-main.open a:last-child{border-bottom:0;}
  .nav-main a.active::after{display:none;}
  .nav-main a.active{background:rgba(15,61,51,.07);border-radius:var(--r-sm);}
  .mega-panel{left:16px;right:16px;width:auto;top:calc(100% + 10px);}
  .mega-grid{grid-template-columns:1fr 1fr;}
  .editorial{grid-template-columns:1fr;gap:32px;}
  .editorial.reverse .ed-media{order:0;}
  .ed-media .float-badge{left:16px;}
  .data-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:42px 30px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .cat-hero{padding:56px 0 50px;}
  .cat-hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .steps{grid-template-columns:1fr;}
  .qa-grid{grid-template-columns:1fr;}
  .data-grid{grid-template-columns:1fr;}
  .data-band{padding:36px 22px;border-radius:var(--r-md);}
  .card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 22px;border-radius:var(--r-md);}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-line-light{width:100%;}
  .site-footer{margin-top:56px;padding-top:52px;}
}

/* roulang page: article */
:root{
  --lava:#FF5B2E;
  --lava-deep:#E84E22;
  --pine:#0F3D33;
  --lime:#D6F94A;
  --ink:#14181A;
  --body:#4A5257;
  --muted:#8A9199;
  --sand:#F7F4EF;
  --white:#FFFFFF;
  --line:#E6E1D8;
  --r-sm:10px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,24,26,.04);
  --sh-2:0 12px 32px rgba(20,24,26,.08);
  --sh-3:0 18px 44px rgba(20,24,26,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--pine);text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease;}
a:hover{color:var(--lava);}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:700;margin:0;}
p{margin:0;}
ul,ol{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lava);outline-offset:3px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--white);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:78px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--lava),var(--pine));
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  box-shadow:0 8px 18px rgba(255,91,46,.28);
}
.brand-text{
  display:flex;flex-direction:column;
  font-size:18px;font-weight:700;color:var(--ink);
  line-height:1.15;letter-spacing:.01em;
}
.brand-text small{
  font-family:var(--font-num);
  font-size:10px;
  letter-spacing:.2em;
  color:var(--muted);
  font-weight:600;
  margin-top:2px;
}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-main a{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--body);
  border-radius:var(--r-pill);
  white-space:nowrap;
}
.nav-main a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;border-radius:2px;
  background:var(--pine);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .25s ease;
}
.nav-main a:hover{color:var(--ink);background:rgba(247,244,239,.85);}
.nav-main a:hover::after,
.nav-main a.active::after{transform:scaleX(1);}
.nav-main a.active{color:var(--pine);}
.nav-side{display:flex;align-items:center;gap:10px;}
.mega-toggle{
  background:var(--sand);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:10px 18px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  align-items:center;
  gap:8px;
  cursor:pointer;
  transition:all .22s ease;
}
.mega-toggle:hover{border-color:var(--lava);color:var(--lava);background:#fff;}
.mega-toggle[aria-expanded="true"]{border-color:var(--lava);color:var(--lava);background:#fff;}
.mega-toggle i{transition:transform .25s ease;}
.mega-toggle[aria-expanded="true"] i{transform:rotate(180deg);}
.navbar-toggler{
  width:46px;height:46px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
}
.navbar-toggler-icon{
  display:block;width:20px;height:2px;background:var(--ink);position:relative;
  box-shadow:0 6px 0 var(--ink),0 -6px 0 var(--ink);
  background-image:none !important;
}
.mega-panel{
  position:absolute;
  right:24px;
  top:calc(100% + 8px);
  width:min(780px,100%);
  background:#fff;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  border-top:3px solid var(--lava);
  box-shadow:var(--sh-3);
  padding:26px;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  z-index:1040;
}
.mega-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:26px;}
.mega-col h4{font-size:13px;letter-spacing:.08em;color:var(--muted);margin-bottom:14px;font-weight:700;}
.mega-col ul{list-style:none;padding:0;display:grid;gap:10px;}
.mega-col ul a{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--body);}
.mega-col ul a:hover{color:var(--lava);}
.mega-col ul a i{color:var(--lava);font-size:13px;}
.mega-post{display:block;padding:10px 0;border-bottom:1px dashed var(--line);}
.mega-post strong{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}
.mega-post span{font-size:12px;color:var(--muted);}
.mega-post:hover strong{color:var(--lava);}
.mega-entry{
  display:block;margin-top:14px;border-radius:16px;overflow:hidden;
  background:var(--sand);border:1px solid var(--line);
}
.mega-entry img{width:100%;height:104px;object-fit:cover;}
.mega-entry span{
  display:block;padding:10px 14px;font-size:13px;font-weight:600;color:var(--pine);
}
.mega-entry:hover span{color:var(--lava);}

/* ---------- buttons ---------- */
.btn-lava,.btn-ghost,.btn-pine{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-lava{background:var(--lava);color:#fff;box-shadow:0 8px 20px rgba(255,91,46,.26);}
.btn-lava:hover{background:var(--lava-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,91,46,.34);}
.btn-lava:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,91,46,.26);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.62);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-pine{background:var(--pine);color:#fff;}
.btn-pine:hover{background:#0b2f27;color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,61,51,.28);}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;
  padding:58px 0 52px;
  color:rgba(255,255,255,.86);
  background-image:linear-gradient(135deg,rgba(15,61,51,.94),rgba(255,91,46,.86)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(214,249,74,.75),transparent 70%);
}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.68);margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:var(--lime);}
.crumb i{font-size:10px;color:rgba(255,255,255,.5);}
.crumb-cur{
  max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:rgba(255,255,255,.62);
}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 16px;
  border-radius:var(--r-pill);
  background:var(--lime);
  color:var(--pine);
  font-size:13px;font-weight:700;
  margin-bottom:18px;
}
.article-hero h1{
  color:#fff;
  font-size:clamp(30px,4vw,46px);
  line-height:1.22;
  font-weight:700;
  max-width:900px;
  letter-spacing:-.01em;
}
.meta-bar{
  display:flex;flex-wrap:wrap;gap:20px;
  margin-top:22px;
  font-size:14px;
  color:rgba(255,255,255,.8);
}
.meta-bar span{display:inline-flex;align-items:center;gap:8px;}
.meta-bar i{color:var(--lime);}

/* ---------- article layout ---------- */
.section{padding:72px 0 0;}
.article-wrap{max-width:780px;margin:0 auto;}
.article-cover{
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-2);
  margin-bottom:44px;
  background:#fff;
}
.article-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.article-body{font-size:17px;line-height:1.95;color:#3C4448;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  position:relative;
  font-size:clamp(22px,2.6vw,28px);
  line-height:1.4;
  color:var(--ink);
  margin:48px 0 18px;
  padding-left:18px;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--lava);
}
.article-body h3{
  font-size:20px;font-weight:600;color:var(--pine);
  margin:32px 0 12px;
}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.3em;line-height:1.85;}
.article-body li{margin-bottom:.5em;}
.article-body blockquote{
  margin:26px 0;
  padding:20px 24px;
  background:var(--sand);
  border-left:4px solid var(--pine);
  border-radius:0 16px 16px 0;
  color:#33403C;
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:26px 0;width:100%;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--lava);border-bottom:1px solid rgba(255,91,46,.35);}
.article-body a:hover{color:var(--lava-deep);border-color:var(--lava-deep);}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:#fff;border-radius:12px;overflow:hidden;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:var(--sand);color:var(--ink);font-weight:700;}

/* ---------- empty state ---------- */
.empty-state{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:64px 32px;
  text-align:center;
  box-shadow:var(--sh-1);
}
.empty-art{
  width:88px;height:88px;margin:0 auto 22px;
  border-radius:26px;
  background:linear-gradient(135deg,rgba(255,91,46,.12),rgba(15,61,51,.12));
  display:flex;align-items:center;justify-content:center;
  font-size:34px;color:var(--lava);
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:26px;}

/* ---------- tags & nav posts ---------- */
.article-foot{margin-top:48px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .tag-label{font-size:14px;color:var(--muted);margin-right:4px;}
.tag-pill{
  display:inline-flex;align-items:center;
  padding:7px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:13px;font-weight:600;color:var(--body);
}
.tag-pill:hover{border-color:var(--lava);color:var(--lava);transform:translateY(-2px);}
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  margin-top:40px;
}
.post-nav a{
  display:block;
  padding:22px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-nav a:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(255,91,46,.4);}
.post-nav .post-dir{
  display:flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--lava);margin-bottom:8px;
}
.post-nav strong{display:block;font-size:16px;color:var(--ink);line-height:1.55;font-weight:600;}
.post-nav a:hover strong{color:var(--lava);}
.back-cat{margin-top:28px;display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;}

/* ---------- related ---------- */
.related{padding:72px 0 0;}
.section-title{
  position:relative;
  font-size:clamp(22px,3vw,30px);
  line-height:1.32;
  color:var(--ink);
  padding-left:18px;
  margin-bottom:12px;
}
.section-title::before{
  content:"";
  position:absolute;left:0;top:8px;bottom:8px;width:6px;border-radius:3px;
  background:var(--lava);
}
.section-desc{font-size:15px;color:var(--muted);margin-bottom:34px;max-width:640px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(255,91,46,.35);}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-tag{
  position:absolute;left:14px;top:14px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  color:var(--pine);
  font-size:12px;font-weight:700;
}
.card:hover .card-tag{color:var(--lava);}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.5;font-weight:600;}
.card-body h3 a{color:var(--ink);}
.card-body h3 a:hover{color:var(--lava);}
.card-body p{font-size:14px;line-height:1.8;color:var(--body);}
.card-meta{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);}
.card-meta .more-link{font-weight:600;color:var(--lava);display:inline-flex;align-items:center;gap:6px;}
.card-meta .more-link:hover{gap:10px;}

/* ---------- cta ---------- */
.cta-band{padding:88px 0 0;}
.cta-inner{
  position:relative;
  border-radius:var(--r-lg);
  padding:52px 48px;
  background-image:linear-gradient(135deg,var(--lava),var(--pine));
  color:rgba(255,255,255,.88);
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:34px;
  align-items:center;
  overflow:hidden;
}
.cta-inner::after{
  content:"";
  position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(214,249,74,.18);
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.8vw,30px);line-height:1.35;margin-bottom:12px;position:relative;}
.cta-inner p{font-size:15px;max-width:460px;position:relative;}
.cta-form{display:flex;gap:12px;position:relative;z-index:2;}
.cta-form input{
  flex:1;
  padding:14px 18px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.92);
  font-size:15px;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:var(--muted);}
.cta-form input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(214,249,74,.35);}

/* ---------- footer ---------- */
.site-footer{
  margin-top:96px;
  background:var(--pine);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand{
  display:flex;align-items:center;gap:12px;
  color:#fff;font-size:18px;font-weight:700;margin-bottom:16px;
}
.footer-brand .brand-mark{box-shadow:none;}
.footer-about{line-height:1.85;max-width:340px;color:rgba(255,255,255,.66);}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.footer-list{list-style:none;padding:0;display:grid;gap:11px;}
.footer-list a{color:rgba(255,255,255,.7);}
.footer-list a:hover{color:var(--lime);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.7);}
.footer-contact i{color:var(--lime);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:52px;
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-soc{display:flex;gap:10px;}
.footer-soc a{
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:center;
  color:#fff;
  transition:background .22s ease,transform .22s ease;
}
.footer-soc a:hover{background:var(--lava);color:#fff;transform:translateY(-2px);}

/* ---------- back to top ---------- */
.back-top{
  position:fixed;right:24px;bottom:28px;
  width:48px;height:48px;border-radius:50%;
  background:var(--pine);color:#fff;border:none;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
  cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s,background .22s ease;
  z-index:1040;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--lava);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-main a{padding:10px 11px;font-size:14px;}
}
@media (max-width:991px){
  .nav-shell{min-height:70px;}
  .brand-text{font-size:16px;}
  .nav-main{
    position:absolute;
    left:0;right:0;top:calc(100% + 8px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--sh-3);
    padding:12px;
    margin-left:0;
    z-index:1040;
  }
  .nav-main.open{display:flex;}
  .nav-main a{padding:13px 16px;font-size:15px;border-radius:14px;}
  .nav-main a::after{display:none;}
  .nav-main a.active{background:var(--sand);color:var(--pine);}
  .mega-panel{position:static;width:100%;opacity:1;visibility:visible;transform:none;box-shadow:none;margin-top:12px;display:none;}
  .mega-panel.open{display:block;}
  .mega-grid{grid-template-columns:1fr;gap:20px;}
  .article-hero{padding:42px 0 40px;}
  .crumb-cur{max-width:200px;}
  .section{padding:56px 0 0;}
  .related{padding:56px 0 0;}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .cta-band{padding:64px 0 0;}
  .cta-inner{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{margin-top:36px;}
  .post-nav{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .cta-inner{padding:32px 22px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn-lava{width:100%;}
  .btn-lava,.btn-ghost,.btn-pine{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .back-top{right:16px;bottom:20px;}
  .article-cover{margin-bottom:32px;}
  .empty-state{padding:44px 20px;}
}

/* roulang page: category2 */
:root{
  --brand:#FF5B2E;
  --brand-deep:#E8451A;
  --green:#0F3D33;
  --green-soft:#17594A;
  --lime:#D6F94A;
  --ink:#14181A;
  --body:#4A5257;
  --muted:#8A9199;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6E1D8;
  --radius-sm:10px;
  --radius-md:20px;
  --radius-lg:28px;
  --shadow-flat:0 1px 2px rgba(20,24,26,.04);
  --shadow-card:0 12px 32px rgba(20,24,26,.08);
  --shadow-hover:0 18px 44px rgba(20,24,26,.12);
  --space-section:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}

.container{max-width:1280px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}
.section{padding:var(--space-section) 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1px;color:var(--brand);font-weight:700;
  text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:26px;height:3px;border-radius:999px;background:var(--brand);}
.section-head h2{font-size:32px;line-height:1.3;margin-bottom:14px;}
.section-head p{color:var(--body);max-width:640px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,244,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:76px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand) 0%,var(--green) 100%);
  color:#fff;font-size:17px;box-shadow:0 8px 18px rgba(255,91,46,.28);
}
.brand-text{
  display:flex;flex-direction:column;line-height:1.15;
  font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;
}
.brand-text small{
  font-size:10px;font-weight:600;letter-spacing:1.6px;color:var(--muted);
  font-family:"Barlow Condensed",Arial,sans-serif;
}
.nav-main{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav-main a{
  position:relative;padding:10px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--body);white-space:nowrap;
}
.nav-main a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:999px;background:var(--green);transform:scaleX(0);
  transform-origin:center;transition:transform .25s ease;
}
.nav-main a:hover{color:var(--ink);background:rgba(255,91,46,.07);}
.nav-main a:hover::after,
.nav-main a.active::after{transform:scaleX(1);}
.nav-main a.active{color:var(--ink);}
.nav-side{display:flex;align-items:center;gap:12px;}
.mega-toggle{
  align-items:center;gap:8px;padding:11px 20px;border-radius:999px;
  background:var(--ink);color:#fff;font-size:14px;font-weight:600;
  transition:background-color .25s ease,transform .25s ease;
}
.mega-toggle:hover{background:var(--brand);transform:translateY(-2px);}
.mega-toggle i{font-size:11px;transition:transform .25s ease;}
.mega-toggle[aria-expanded="true"] i{transform:rotate(180deg);}
.navbar-toggler{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;padding:0;
}
.navbar-toggler-icon{
  width:20px;height:2px;background:var(--ink);position:relative;display:block;
  border-radius:2px;
}
.navbar-toggler-icon::before,
.navbar-toggler-icon::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;
}
.navbar-toggler-icon::before{top:-6px;}
.navbar-toggler-icon::after{top:6px;}

.mega-panel{
  position:absolute;left:24px;right:24px;top:calc(100% + 10px);
  background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-card);
  border:1px solid var(--line);padding:28px;
  display:none;overflow:hidden;
}
.mega-panel::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--green));
}
.mega-panel.open{display:block;animation:megaIn .22s ease;}
@keyframes megaIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr) 1.15fr;gap:28px;}
.mega-col h4{
  font-size:13px;text-transform:uppercase;letter-spacing:1.2px;
  color:var(--muted);font-weight:700;margin-bottom:14px;
}
.mega-col ul li{margin-bottom:8px;}
.mega-col ul li a{
  display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--body);
}
.mega-col ul li a i{color:var(--brand);font-size:12px;}
.mega-post{display:block;padding:10px 0;border-bottom:1px dashed var(--line);}
.mega-post strong{display:block;font-size:14px;color:var(--ink);line-height:1.5;margin-bottom:2px;}
.mega-post span{font-size:12px;color:var(--muted);}
.mega-post:last-child{border-bottom:0;}
.mega-entry{
  display:block;border-radius:var(--radius-sm);overflow:hidden;position:relative;
  background:var(--green);
}
.mega-entry img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.9;}
.mega-entry span{
  position:absolute;left:14px;bottom:12px;color:#fff;font-size:13px;font-weight:700;
}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease;
}
.btn-main{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(255,91,46,.28);}
.btn-main:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,91,46,.34);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--green);border:1.5px solid var(--green);}
.btn-ghost:hover{background:var(--green);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;padding:88px 0 96px;overflow:hidden;color:#fff;
  background-image:
    linear-gradient(120deg,rgba(15,61,51,.92) 0%,rgba(255,91,46,.78) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.cat-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.82);margin-bottom:22px;
}
.crumb a:hover{color:var(--lime);}
.crumb span.sep{opacity:.6;}
.cat-hero h1{
  color:#fff;font-size:clamp(30px,4vw,52px);line-height:1.2;font-weight:700;
  max-width:16ch;margin-bottom:18px;
}
.cat-hero .hero-sub{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.9);max-width:600px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.cat-hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.7);}
.cat-hero .btn-ghost:hover{background:#fff;color:var(--green);border-color:#fff;}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 20px;border-radius:999px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);
  backdrop-filter:blur(2px);
}
.hero-badge b{
  font-family:"Barlow Condensed",Arial,sans-serif;font-size:20px;
  color:var(--lime);font-weight:700;letter-spacing:.5px;
}
.hero-badge span{font-size:13px;color:rgba(255,255,255,.86);}

/* ---------- 数据能力卡 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cap-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:28px;box-shadow:var(--shadow-flat);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,91,46,.35);}
.cap-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(255,91,46,.1);color:var(--brand);font-size:19px;margin-bottom:18px;
}
.cap-card h3{font-size:19px;margin-bottom:10px;}
.cap-card p{font-size:15px;color:var(--body);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(15,61,51,.07);color:var(--green);
  border:1px solid rgba(15,61,51,.12);
}

/* ---------- 时间轴 ---------- */
.timeline-wrap{position:relative;padding-left:8px;}
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:27px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,var(--green) 100%);
  opacity:.35;
}
.tl-item{position:relative;padding-left:78px;margin-bottom:34px;}
.tl-item:last-child{margin-bottom:0;}
.tl-num{
  position:absolute;left:0;top:0;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:#fff;border:2px solid var(--brand);
  font-family:"Barlow Condensed",Arial,sans-serif;font-size:20px;font-weight:700;color:var(--brand);
  box-shadow:0 8px 20px rgba(255,91,46,.16);z-index:2;
}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px 28px;box-shadow:var(--shadow-flat);
  transition:transform .25s ease,box-shadow .25s ease;
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px;}
.badge-lime{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;
  background:var(--lime);color:var(--green);font-size:12.5px;font-weight:700;
}
.tl-meta .time{
  font-size:13px;color:var(--muted);font-family:"Barlow Condensed",Arial,sans-serif;
  letter-spacing:.4px;
}
.tl-body h3{font-size:19px;margin-bottom:8px;}
.tl-body p{font-size:15px;}

/* ---------- 数据维度矩阵 ---------- */
.matrix{
  background:linear-gradient(135deg,var(--green) 0%,#123A31 100%);
  border-radius:var(--radius-lg);padding:52px 44px;color:#fff;position:relative;overflow:hidden;
}
.matrix::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(214,249,74,.28),transparent 68%);
}
.matrix h2{color:#fff;font-size:30px;margin-bottom:14px;}
.matrix > p{color:rgba(255,255,255,.78);max-width:620px;margin-bottom:34px;}
.matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative;z-index:2;}
.stat-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-md);padding:22px 20px;
  transition:background-color .25s ease,transform .25s ease;
}
.stat-card:hover{background:rgba(255,255,255,.12);transform:translateY(-4px);}
.stat-card b{
  display:block;font-family:"Barlow Condensed",Arial,sans-serif;
  font-size:32px;font-weight:700;color:var(--lime);line-height:1.1;letter-spacing:.5px;
}
.stat-card span{display:block;font-size:14px;color:rgba(255,255,255,.82);margin-top:8px;}
.stat-card em{display:block;font-style:normal;font-size:12.5px;color:rgba(255,255,255,.55);margin-top:4px;}

/* ---------- 数据面板图文 ---------- */
.panel-split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.panel-media{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);
  border:1px solid var(--line);background:#fff;
}
.panel-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.panel-text h2{font-size:30px;margin-bottom:16px;}
.panel-text > p{margin-bottom:22px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;
  border-bottom:1px dashed var(--line);font-size:15px;color:var(--body);
}
.check-list li:last-child{border-bottom:0;}
.check-list li i{color:var(--brand);margin-top:5px;font-size:13px;}
.check-list li strong{color:var(--ink);font-weight:700;}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-flat);
  transition:transform .25s ease,box-shadow .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.scene-body{padding:22px 24px 26px;}
.scene-body h3{font-size:18px;margin-bottom:10px;}
.scene-body p{font-size:15px;margin-bottom:14px;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand);
}
.link-more i{font-size:12px;transition:transform .25s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item:hover{box-shadow:var(--shadow-card);}
.faq-item.open{border-color:rgba(255,91,46,.4);box-shadow:var(--shadow-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
  background:transparent;
}
.faq-q .plus{
  width:30px;height:30px;flex-shrink:0;border-radius:50%;display:grid;place-items:center;
  border:1.5px solid var(--brand);color:var(--brand);font-size:13px;
  transition:transform .28s ease,background-color .28s ease,color .28s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease;
  border-left:0;
}
.faq-item.open .faq-a{border-left:4px solid var(--brand);}
.faq-a-inner{padding:0 26px 24px 34px;font-size:15px;color:var(--body);}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(135deg,var(--brand) 0%,var(--green) 100%);
  padding:56px 48px;color:#fff;position:relative;
}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(214,249,74,.22),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.86);max-width:520px;}
.sub-form{display:flex;gap:12px;background:#fff;padding:10px;border-radius:999px;box-shadow:var(--shadow-card);}
.sub-form input{
  flex:1;border:0;background:transparent;padding:12px 20px;color:var(--ink);outline:none;border-radius:999px;
}
.sub-form input::placeholder{color:var(--muted);}
.sub-form input:focus{box-shadow:0 0 0 3px rgba(255,91,46,.18);}
.form-note{font-size:13px;color:rgba(255,255,255,.7);margin-top:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--green);color:rgba(255,255,255,.82);margin-top:var(--space-section);
  padding:72px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{
  display:flex;align-items:center;gap:12px;font-size:19px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-about{font-size:14.5px;color:rgba(255,255,255,.72);max-width:340px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.6px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14.5px;color:rgba(255,255,255,.76);}
.footer-list a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.76);}
.footer-contact i{color:var(--lime);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.62);
}
.footer-soc{display:flex;gap:10px;}
.footer-soc a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.1);color:#fff;font-size:14px;
}
.footer-soc a:hover{background:var(--brand);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container{max-width:1080px;}
  .mega-grid{grid-template-columns:repeat(2,1fr) 1fr;}
  .matrix-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  :root{--space-section:72px;}
  .nav-main{
    display:none;position:absolute;left:24px;right:24px;top:calc(100% + 8px);
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    box-shadow:var(--shadow-card);padding:14px;z-index:1040;
  }
  .nav-main.open{display:flex;}
  .nav-main a{padding:12px 16px;border-radius:12px;}
  .nav-main a::after{display:none;}
  .nav-main a.active{background:rgba(15,61,51,.08);color:var(--green);}
  .mega-panel{display:none !important;}
  .cap-grid,.scene-grid{grid-template-columns:repeat(2,1fr);}
  .panel-split{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-hero{padding:64px 0 72px;}
  .matrix{padding:40px 30px;}
}
@media (max-width:767.98px){
  :root{--space-section:56px;}
  .container{padding-left:16px;padding-right:16px;}
  .brand-text{font-size:15.5px;}
  .section-head h2{font-size:25px;}
  .cat-hero h1{max-width:100%;}
  .cap-grid,.scene-grid,.matrix-grid{grid-template-columns:1fr;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .sub-form{flex-direction:column;border-radius:var(--radius-md);padding:14px;}
  .sub-form input{padding:12px 14px;border:1px solid var(--line);}
  .sub-form .btn-main{width:100%;}
  .tl-item{padding-left:64px;}
  .tl-num{width:46px;height:46px;font-size:17px;}
  .timeline::before{left:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:36px 22px;}
  .matrix{padding:32px 20px;}
}
@media (max-width:519.98px){
  .nav-shell{min-height:66px;gap:12px;}
  .brand-mark{width:36px;height:36px;font-size:15px;}
  .hero-badge{padding:10px 16px;}
  .hero-badge b{font-size:17px;}
  .tl-body,.cap-card{padding:20px;}
}

/* roulang page: category3 */
:root{
  --brand:#FF5B2E;
  --brand-dark:#E2431A;
  --deep:#0F3D33;
  --lemon:#D6F94A;
  --ink:#14181A;
  --text:#4A5257;
  --muted:#8A9199;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6E1D8;
  --r-sm:10px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,24,26,.04);
  --sh-2:0 12px 32px rgba(20,24,26,.08);
  --sh-3:0 18px 44px rgba(20,24,26,.12);
  --sec:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}
.container{max-width:1280px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}
.num{font-family:"Barlow Condensed","Arial Narrow",Arial,sans-serif;font-weight:700;letter-spacing:.5px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(247,244,239,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:76px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--deep));
  color:#fff;font-size:18px;
  box-shadow:var(--sh-2);
}
.brand-text{
  font-size:19px;font-weight:700;color:var(--ink);line-height:1.15;
  display:flex;flex-direction:column;
}
.brand-text small{
  font-size:10.5px;letter-spacing:1.6px;color:var(--muted);font-weight:600;
  font-family:"Barlow Condensed",Arial,sans-serif;
}
.nav-main{display:flex;align-items:center;gap:26px;}
.nav-main a{
  position:relative;font-size:15.5px;font-weight:600;color:#2E3639;
  padding:8px 0;
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2.5px;
  border-radius:2px;background:var(--deep);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-main a:hover{color:var(--deep);}
.nav-main a:hover::after,.nav-main a.active::after{transform:scaleX(1);}
.nav-main a.active{color:var(--deep);}
.nav-side{display:flex;align-items:center;gap:12px;}
.mega-toggle{
  align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);
  background:var(--deep);color:#fff;font-size:14.5px;font-weight:600;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.mega-toggle:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background:#0B302A;}
.mega-toggle i{font-size:11px;transition:transform .25s ease;}
.mega-toggle[aria-expanded="true"] i{transform:rotate(180deg);}
.navbar-toggler{
  width:46px;height:42px;border-radius:12px;
  background:#fff;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
}
.navbar-toggler-icon{
  width:20px;height:14px;display:block;position:relative;
}
.navbar-toggler-icon::before,.navbar-toggler-icon::after{
  content:"";position:absolute;left:0;right:0;height:2px;background:var(--ink);border-radius:2px;
}
.navbar-toggler-icon::before{top:0;box-shadow:0 6px 0 var(--ink);}
.navbar-toggler-icon::after{bottom:0;}
.nav-mobile{
  display:none;flex-direction:column;gap:4px;
  padding:12px 0 20px;border-top:1px solid var(--line);margin-top:8px;
}
.nav-mobile.open{display:flex;}
.nav-mobile a{
  padding:12px 4px;font-size:16px;font-weight:600;color:var(--ink);
  border-bottom:1px dashed var(--line);
}
.nav-mobile a.active{color:var(--brand);}
.mega-panel{
  position:absolute;left:24px;right:24px;top:calc(100% + 10px);
  background:#fff;border-radius:var(--r-md);
  box-shadow:var(--sh-3);border-top:3px solid var(--brand);
  padding:28px;opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.mega-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:28px;}
.mega-col h4{
  font-size:13px;letter-spacing:1.2px;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;font-weight:700;
}
.mega-col ul li+li{margin-top:10px;}
.mega-col ul a{
  display:flex;align-items:center;gap:9px;font-size:15px;color:#2E3639;font-weight:600;
}
.mega-col ul a i{color:var(--brand);font-size:13px;}
.mega-post{
  display:block;padding:12px 14px;border-radius:var(--r-sm);
  background:var(--bg);margin-bottom:10px;
  transition:background .22s ease,transform .22s ease;
}
.mega-post:hover{background:#F1ECE3;transform:translateX(3px);}
.mega-post strong{display:block;font-size:14.5px;color:var(--ink);line-height:1.5;font-weight:600;}
.mega-post span{font-size:12.5px;color:var(--muted);}
.mega-entry{
  display:flex;align-items:center;gap:12px;margin-top:12px;
  padding:10px;border:1px solid var(--line);border-radius:var(--r-md);
  transition:box-shadow .22s ease,transform .22s ease;
}
.mega-entry:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.mega-entry img{width:72px;height:54px;object-fit:cover;border-radius:var(--r-sm);}
.mega-entry span{font-size:13.5px;color:var(--text);line-height:1.55;}

/* ============ 按钮 / 标签 ============ */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;line-height:1;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
}
.btn-main{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(255,91,46,.28);}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:rgba(255,91,46,.08);color:var(--brand-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(15,61,51,.07);color:var(--deep);
}
.tag-brand{background:rgba(255,91,46,.1);color:var(--brand);}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  border-radius:0 0 var(--r-lg) var(--r-lg);
  background-image:linear-gradient(135deg,rgba(255,91,46,.92),rgba(15,61,51,.93)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;
}
.cat-hero-inner{
  position:relative;z-index:2;
  padding:84px 0 72px;
  max-width:820px;
}
.crumb{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.8);margin-bottom:22px;
}
.crumb a{color:rgba(255,255,255,.9);}
.crumb a:hover{color:var(--lemon);}
.crumb i{font-size:10px;opacity:.8;}
.cat-hero h1{
  color:#fff;font-size:clamp(30px,4vw,52px);line-height:1.2;font-weight:700;
  margin-bottom:18px;
}
.cat-hero p{
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.9);max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-actions .btn-ghost{border-color:rgba(255,255,255,.75);color:#fff;}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.badge-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-top:44px;
}
.stat-badge{
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-md);
  padding:16px 18px;
  backdrop-filter:blur(2px);
}
.stat-badge .num{
  display:block;font-size:28px;color:var(--lemon);line-height:1.1;
}
.stat-badge span{font-size:13px;color:rgba(255,255,255,.85);}

/* ============ 板块 ============ */
.section{padding:var(--sec) 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.section-title{
  position:relative;font-size:clamp(24px,2.6vw,34px);line-height:1.3;
  padding-left:18px;margin-bottom:16px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:3px;background:var(--brand);
}
.section-head.center .section-title{padding-left:0;}
.section-head.center .section-title::before{display:none;}
.section-desc{font-size:16px;color:var(--text);max-width:660px;}

/* ============ 看点四格 ============ */
.view-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.view-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;display:flex;gap:18px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.view-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD5C9;}
.view-ico{
  flex:0 0 48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--deep));
  color:#fff;font-size:19px;
}
.view-item h3{font-size:18.5px;margin-bottom:8px;}
.view-item p{font-size:15px;line-height:1.8;}

/* ============ 卡片瀑布 ============ */
.masonry{columns:3;column-gap:24px;}
.news-card{
  break-inside:avoid;margin-bottom:24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.news-card:hover .tag{background:rgba(255,91,46,.12);color:var(--brand);}
.news-cover{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-cover.tall{aspect-ratio:4/3;}
.news-body{padding:22px 24px 24px;}
.news-body .tag{margin-bottom:14px;}
.news-body h3{font-size:19px;line-height:1.45;margin-bottom:10px;}
.news-body p{font-size:14.5px;line-height:1.8;color:var(--text);margin-bottom:16px;}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--muted);
}
.news-meta a{font-weight:600;color:var(--brand);}
.news-meta a:hover{color:var(--brand-dark);}
.masonry-note{
  margin-top:12px;font-size:13px;color:var(--muted);text-align:center;
}

/* ============ 徽章墙 ============ */
.badge-wall{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.metric::after{
  content:"";position:absolute;right:-30px;top:-30px;width:96px;height:96px;
  border-radius:50%;background:linear-gradient(135deg,rgba(255,91,46,.14),rgba(15,61,51,.1));
}
.metric .num{font-size:38px;color:var(--deep);line-height:1;}
.metric .num em{font-style:normal;color:var(--brand);font-size:22px;margin-left:2px;}
.metric strong{display:block;margin:10px 0 6px;font-size:16px;color:var(--ink);}
.metric span{font-size:13.5px;color:var(--muted);line-height:1.7;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.pill{
  padding:8px 16px;border-radius:var(--r-pill);
  background:var(--lemon);color:var(--deep);
  font-size:13px;font-weight:600;
}
.pill.line{background:transparent;border:1px solid var(--line);color:var(--text);}

/* ============ 订阅节奏条 ============ */
.rhythm{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.rhythm-item{padding:28px 26px;border-right:1px solid var(--line);}
.rhythm-item:last-child{border-right:none;}
.rhythm-item b{
  display:block;font-size:13px;letter-spacing:1.4px;color:var(--brand);
  font-family:"Barlow Condensed",Arial,sans-serif;margin-bottom:10px;
}
.rhythm-item h3{font-size:17px;margin-bottom:8px;}
.rhythm-item p{font-size:14px;line-height:1.78;color:var(--text);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:940px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:box-shadow .25s ease;
}
.faq-item.open{box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  background:var(--brand);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:top;transition:transform .28s ease;
}
.faq-item.open .faq-q::before{transform:scaleY(1);}
.faq-q i{
  font-size:14px;color:var(--brand);flex-shrink:0;
  transition:transform .3s ease;
}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;}
.faq-item.open .faq-a{max-height:340px;}
.faq-a p{
  padding:0 26px 24px 26px;font-size:15px;line-height:1.85;color:var(--text);
}

/* ============ CTA ============ */
.cta-band{
  border-radius:var(--r-lg);overflow:hidden;
  background-image:linear-gradient(135deg,rgba(255,91,46,.95),rgba(15,61,51,.96)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  color:#fff;padding:56px 48px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(23px,2.5vw,31px);line-height:1.32;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.88);font-size:15.5px;max-width:520px;}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe-form input{
  flex:1 1 220px;min-width:0;
  padding:14px 18px;border-radius:12px;border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.96);color:var(--ink);font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.subscribe-form input::placeholder{color:var(--muted);}
.subscribe-form input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(255,91,46,.3);
}
.form-hint{display:block;width:100%;font-size:12.5px;color:rgba(255,255,255,.75);margin-top:6px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--deep);color:rgba(255,255,255,.78);
  padding:72px 0 28px;margin-top:var(--sec);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:36px;}
.footer-brand{
  display:flex;align-items:center;gap:12px;
  font-size:19px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-brand .brand-mark{box-shadow:none;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:360px;}
.site-footer h4{
  font-size:14px;color:#fff;letter-spacing:1px;margin-bottom:18px;font-weight:700;
}
.footer-list li+li{margin-top:11px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-list a:hover{color:var(--lemon);}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:rgba(255,255,255,.72);}
.footer-contact i{margin-top:5px;color:var(--lemon);font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-soc{display:flex;gap:10px;}
.footer-soc a{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.1);color:#fff;font-size:14px;
  transition:background .22s ease,transform .22s ease;
}
.footer-soc a:hover{background:var(--brand);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .container{max-width:1080px;}
  .masonry{columns:2;}
  .view-grid{grid-template-columns:1fr 1fr;}
  .badge-wall{grid-template-columns:repeat(2,1fr);}
  .rhythm{grid-template-columns:repeat(2,1fr);}
  .rhythm-item:nth-child(2){border-right:none;}
  .rhythm-item:nth-child(1),.rhythm-item:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:991px){
  :root{--sec:72px;}
  .nav-main{display:none;}
  .cat-hero-inner{padding:64px 0 56px;}
  .badge-row{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .mega-panel{left:16px;right:16px;}
  .mega-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .container{padding-left:16px;padding-right:16px;}
  body{font-size:15.5px;}
  .brand-text{font-size:16.5px;}
  .brand-text small{font-size:9.5px;letter-spacing:1.2px;}
  .cat-hero{border-radius:0 0 var(--r-md) var(--r-md);}
  .cat-hero-inner{padding:48px 0 44px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .badge-row{grid-template-columns:1fr;}
  .view-grid{grid-template-columns:1fr;}
  .masonry{columns:1;}
  .badge-wall{grid-template-columns:1fr;}
  .rhythm{grid-template-columns:1fr;}
  .rhythm-item{border-right:none;border-bottom:1px solid var(--line);}
  .rhythm-item:last-child{border-bottom:none;}
  .cta-band{padding:36px 22px;}
  .subscribe-form .btn-main{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .mega-grid{grid-template-columns:1fr;}
  .mega-panel{padding:20px;}
  .section-head{margin-bottom:32px;}
}
@media (max-width:520px){
  .cat-hero h1{font-size:28px;}
  .section-title{font-size:22px;}
  .news-body{padding:18px 18px 20px;}
  .metric{padding:20px;}
  .metric .num{font-size:32px;}
}

/* roulang page: category4 */
:root{
  --primary:#FF5B2E;
  --primary-dark:#E44A20;
  --secondary:#0F3D33;
  --secondary-soft:#16574A;
  --accent:#D6F94A;
  --ink:#14181A;
  --body:#4A5257;
  --muted:#8A9199;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --line:#E6E1D8;
  --danger:#C0392B;
  --r-sm:10px;
  --r-card:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,24,26,.04);
  --sh-2:0 12px 32px rgba(20,24,26,.08);
  --sh-3:0 18px 44px rgba(20,24,26,.12);
  --grad:linear-gradient(135deg,#FF5B2E 0%,#0F3D33 100%);
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",Arial,sans-serif;
  --font-num:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--primary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;box-shadow:0 0 0 3px rgba(255,91,46,.22)}
::selection{background:var(--accent);color:var(--secondary)}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.bg-soft{background:#FFFDFA;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(247,244,239,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-shell{display:flex;align-items:center;gap:28px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:17px;box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;font-weight:700;color:var(--ink);font-size:18px;letter-spacing:.2px;line-height:1.15}
.brand-text small{font-family:var(--font-num);font-size:11px;letter-spacing:1.6px;color:var(--muted);font-weight:600}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-main a{
  position:relative;font-size:15.5px;font-weight:500;color:var(--body);padding:6px 0;
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:3px;border-radius:3px;
  background:var(--secondary);transition:right .25s ease;
}
.nav-main a:hover{color:var(--ink)}
.nav-main a:hover::after,.nav-main a.active::after{right:0}
.nav-main a.active{color:var(--ink);font-weight:700}
.nav-side{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.mega-toggle{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink);font-size:14px;font-weight:600;
  box-shadow:var(--sh-1);transition:all .22s ease;
}
.mega-toggle:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-2)}
.mega-toggle i{font-size:11px;transition:transform .25s ease}
.mega-toggle[aria-expanded="true"] i{transform:rotate(180deg)}
.navbar-toggler{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  background:#fff;border:1px solid var(--line);
}
.navbar-toggler:focus{box-shadow:none}
.navbar-toggler-icon{
  background-image:none;position:relative;width:20px;height:2px;display:inline-block;border-radius:2px;background:var(--ink);
}
.navbar-toggler-icon::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:2px;background:var(--ink);
  box-shadow:0 7px 0 var(--ink),0 14px 0 var(--ink);
}

/* Mega 面板 */
.mega-panel{
  position:absolute;right:24px;top:calc(100% + 10px);width:min(760px,calc(100vw - 48px));
  background:#fff;border-radius:var(--r-card);border-top:3px solid var(--primary);
  box-shadow:var(--sh-3);padding:26px;opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;z-index:1040;
}
.mega-panel.open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:28px}
.mega-col h4{font-size:14px;color:var(--muted);letter-spacing:.6px;margin-bottom:12px;font-weight:700}
.mega-col ul{display:flex;flex-direction:column;gap:8px}
.mega-col ul a{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;color:var(--body);padding:5px 0}
.mega-col ul a i{color:var(--primary);font-size:13px}
.mega-col ul a:hover{color:var(--primary);transform:translateX(3px);transition:all .2s ease}
.mega-post{display:flex;flex-direction:column;gap:3px;padding:11px 14px;border-radius:14px;background:#FFF8F5;margin-bottom:10px}
.mega-post strong{font-size:14.5px;color:var(--ink);font-weight:600;line-height:1.5}
.mega-post span{font-size:12.5px;color:var(--muted)}
.mega-post:hover{background:#FFEFE8}
.mega-post:hover strong{color:var(--primary)}
.mega-entry{display:block;position:relative;border-radius:16px;overflow:hidden;margin-top:12px}
.mega-entry img{aspect-ratio:16/9;width:100%;object-fit:cover}
.mega-entry span{
  position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;color:#fff;font-size:14px;font-weight:600;
  background:linear-gradient(180deg,rgba(15,61,51,0) 0%,rgba(15,61,51,.88) 100%);
}

/* ============ 按钮 ============ */
.btn-solid,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--r-pill);font-size:15.5px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-solid{background:var(--primary);color:#fff;box-shadow:0 8px 22px rgba(255,91,46,.28)}
.btn-solid:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,91,46,.34)}
.btn-solid:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,91,46,.26)}
.btn-ghost{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,91,46,.24)}
.btn-ghost:active{transform:translateY(0)}
.btn-line{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-line:hover{background:#fff;color:var(--secondary);border-color:#fff;transform:translateY(-2px)}
.btn-block{width:100%}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;padding:70px 0 64px;
  background-image:url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(15,61,51,.94) 0%,rgba(15,61,51,.72) 45%,rgba(255,91,46,.82) 100%);
}
.page-hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.76);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.76)}
.crumb a:hover{color:var(--accent)}
.crumb i{font-size:10px;opacity:.7}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4vw,52px);line-height:1.2;letter-spacing:.4px;margin-bottom:16px;max-width:20ch;
}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.hero-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.9);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-badges{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:44px}
.hero-badge{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);border-radius:16px;
  padding:16px 18px;backdrop-filter:blur(2px);
}
.hero-badge b{display:block;font-family:var(--font-num);font-size:30px;line-height:1.1;color:var(--accent);font-weight:700}
.hero-badge span{font-size:13px;color:rgba(255,255,255,.82)}
.hero-side{position:relative}
.hero-side img{border-radius:var(--r-lg);aspect-ratio:4/3;width:100%;object-fit:cover;box-shadow:var(--sh-3)}
.hero-side-note{
  position:absolute;left:18px;bottom:18px;right:18px;background:rgba(255,255,255,.94);
  border-radius:16px;padding:14px 16px;color:var(--ink);font-size:13.5px;line-height:1.7;box-shadow:var(--sh-2);
}
.hero-side-note b{color:var(--secondary)}

/* ============ 通用区块标题 ============ */
.sec-head{margin-bottom:44px;max-width:760px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);
  background:#FFEDE6;color:var(--primary);font-size:13px;font-weight:700;letter-spacing:.5px;margin-bottom:16px;
}
.sec-head h2{position:relative;font-size:clamp(24px,2.6vw,34px);padding-left:16px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--primary);
}
.sec-head.center h2{padding-left:0}
.sec-head.center h2::before{display:none}
.sec-head p{margin-top:14px;color:var(--body);font-size:16px;max-width:42em}

/* ============ 卡片通用 ============ */
.card-x{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;height:100%;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#F2D6C8}
.card-x:hover .tag{background:var(--primary);color:#fff;border-color:var(--primary)}
.card-x h3{font-size:19px;margin-bottom:10px}
.card-x p{font-size:15px;line-height:1.8;color:var(--body)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#FFF8F5;color:var(--primary);font-size:12.5px;font-weight:600;
  transition:all .24s ease;margin-bottom:14px;
}
.badge-num{
  display:inline-flex;align-items:baseline;gap:4px;padding:5px 14px;border-radius:var(--r-pill);
  background:var(--accent);color:var(--secondary);font-size:13px;font-weight:700;
}
.badge-num b{font-family:var(--font-num);font-size:18px;line-height:1}
.badge-line{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);
  border:1.5px solid var(--secondary);color:var(--secondary);font-size:12.5px;font-weight:700;
}
.icon-lg{
  width:52px;height:52px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;
  background:#FFEDE6;color:var(--primary);font-size:20px;margin-bottom:16px;
}
.card-x:hover .icon-lg{background:var(--primary);color:#fff}
.split{display:flex;align-items:flex-start;gap:14px}
.card-img{border-radius:16px;overflow:hidden;margin-bottom:18px}
.card-img img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.card-x:hover .card-img img{transform:scale(1.04)}

/* 权益速览条 */
.briefbar{
  background:var(--grad);border-radius:var(--r-lg);color:#fff;padding:34px 36px;
  display:grid;grid-template-columns:1.15fr 1fr;gap:32px;align-items:center;box-shadow:var(--sh-2);
}
.briefbar h2{color:#fff;font-size:22px;margin-bottom:12px}
.briefbar p{color:rgba(255,255,255,.86);font-size:15px;margin:0}
.brief-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.brief-stat{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.24);border-radius:16px;padding:14px 18px}
.brief-stat b{display:block;font-family:var(--font-num);font-size:26px;color:var(--accent);line-height:1.15}
.brief-stat span{font-size:13px;color:rgba(255,255,255,.84)}

/* 档位对照 */
.tier{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;padding:28px;height:100%;display:flex;flex-direction:column;transition:transform .24s ease,box-shadow .24s ease}
.tier:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.tier.best{border:2px solid var(--primary);position:relative;box-shadow:var(--sh-2)}
.tier.best::after{
  content:"推荐档位";position:absolute;top:-14px;right:22px;background:var(--accent);color:var(--secondary);
  font-size:12.5px;font-weight:700;padding:4px 14px;border-radius:var(--r-pill);
}
.tier h3{font-size:20px;margin-bottom:6px}
.tier .tier-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.tier ul{display:flex;flex-direction:column;gap:12px;margin:20px 0 26px}
.tier ul li{display:flex;gap:10px;font-size:14.5px;color:var(--body);line-height:1.7}
.tier ul li i{color:var(--secondary);font-size:13px;margin-top:6px}
.tier .tier-foot{margin-top:auto}

/* 路径步骤 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;height:100%;transition:transform .24s ease,box-shadow .24s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step .num{
  font-family:var(--font-num);font-size:34px;font-weight:700;color:#F3D9CE;line-height:1;margin-bottom:14px;
}
.step h3{font-size:17.5px;margin-bottom:8px}
.step p{font-size:14.5px;margin:0;color:var(--body)}
.step:hover .num{color:var(--primary)}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:start}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;margin-bottom:14px;overflow:hidden;transition:box-shadow .24s ease}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:20px 22px;font-size:16.5px;font-weight:600;color:var(--ink);background:#fff;
}
.faq-head .faq-icon{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:#FFF2EC;color:var(--primary);font-size:13px;transition:background .24s ease,color .24s ease;
}
.faq-head .faq-icon i{transition:transform .28s ease}
.faq-head:not(.collapsed){box-shadow:inset 4px 0 0 var(--primary);color:var(--primary)}
.faq-head:not(.collapsed) .faq-icon{background:var(--primary);color:#fff}
.faq-head:not(.collapsed) .faq-icon i{transform:rotate(45deg)}
.faq-head:focus{box-shadow:none}
.faq-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--body);border-top:1px dashed var(--line);padding-top:16px;margin:0 22px 22px;padding-left:0;padding-right:0}

/* 联系信息 */
.contact-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);position:sticky;top:104px}
.contact-box h3{font-size:19px;margin-bottom:16px}
.contact-list{display:flex;flex-direction:column;gap:16px}
.contact-list li{display:flex;gap:12px;font-size:14.5px;color:var(--body);line-height:1.7}
.contact-list li i{color:var(--primary);margin-top:5px}
.contact-list li b{display:block;color:var(--ink);font-size:15px}
.contact-tip{margin-top:20px;padding:14px 16px;border-radius:14px;background:#F7F4EF;font-size:13.5px;color:var(--muted)}

/* 表单 */
.form-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-2)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:14px;font-weight:600;color:var(--ink)}
.form-field label span{color:var(--primary)}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:12px 16px;border-radius:12px;border:1px solid var(--line);background:#FFFDFB;
  font-size:15px;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-field textarea{min-height:118px;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(255,91,46,.18);
}
.form-hint{font-size:13px;color:var(--muted)}
.form-msg{
  display:none;margin-top:16px;padding:13px 16px;border-radius:12px;font-size:14px;
  background:#EFF7F3;color:var(--secondary);border:1px solid #CFE3DA;
}
.form-msg.show{display:block}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);color:#fff;padding:52px 44px;
  background:var(--grad);box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(214,249,74,.18);
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.88);margin:0;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* 页脚 */
.site-footer{background:var(--secondary);color:rgba(255,255,255,.76);padding:70px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:19px;font-weight:700;margin-bottom:16px}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:36em;margin:0}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.4px}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-list a{color:rgba(255,255,255,.74);font-size:14.5px}
.footer-list a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.74);line-height:1.7}
.footer-contact i{color:var(--accent);margin-top:5px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-soc{display:flex;gap:10px}
.footer-soc a{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.1);color:#fff;transition:all .22s ease;
}
.footer-soc a:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .container{max-width:1080px}
}
@media (max-width:1199px){
  .nav-main{gap:20px}
  .nav-main a{font-size:14.5px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .nav-main{
    display:none;position:absolute;left:24px;right:24px;top:calc(100% + 8px);
    flex-direction:column;align-items:flex-start;gap:2px;background:#fff;border-radius:var(--r-card);
    border-top:3px solid var(--primary);box-shadow:var(--sh-3);padding:16px 20px;z-index:1040;
  }
  .nav-main.open{display:flex}
  .nav-main a{width:100%;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15.5px}
  .nav-main a:last-child{border-bottom:0}
  .nav-main a::after{display:none}
  .nav-main a.active{color:var(--primary)}
  .nav-shell{gap:14px;justify-content:space-between}
  .page-hero{padding:52px 0 48px}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:32px}
  .briefbar{grid-template-columns:1fr;padding:28px}
  .faq-wrap{grid-template-columns:1fr}
  .contact-box{position:static}
  .cta-grid{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section,.section-tight{padding:56px 0}
  .nav-main{left:16px;right:16px}
  .mega-panel{left:16px;right:16px;width:auto}
  .mega-grid{grid-template-columns:1fr}
  .page-hero{padding:42px 0 40px}
  .page-hero h1{max-width:none}
  .hero-actions .btn-solid,.hero-actions .btn-ghost{width:100%}
  .hero-badges{grid-template-columns:1fr 1fr;gap:10px}
  .hero-badge{padding:13px 14px}
  .hero-badge b{font-size:24px}
  .brief-stats{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-panel{padding:22px}
  .cta-band{padding:34px 22px;border-radius:var(--r-card)}
  .cta-actions{flex-direction:column}
  .cta-actions .btn-solid,.cta-actions .btn-line{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .sec-head{margin-bottom:32px}
}
@media (max-width:520px){
  .hero-badges{grid-template-columns:1fr}
  .tier{padding:22px}
  .card-x{padding:20px}
}