/* roulang page: index */
:root{
  --brand-900:#08281F;--brand-700:#0F4A38;--brand-500:#17795A;--brand-100:#E4F3EC;
  --gold-600:#B8860B;--gold-500:#E0A82E;--gold-300:#F6D98A;
  --accent-red:#C4382F;
  --ink:#101A17;--ink-2:#4A5A54;--line:#DCE7E2;--bg:#F5F9F7;--surface:#FFFFFF;
  --r-sm:10px;--r-md:16px;--r-lg:24px;--r-xl:32px;
  --sh-1:0 2px 10px rgba(8,40,31,.06);
  --sh-2:0 12px 32px rgba(8,40,31,.12);
  --sh-glow:0 8px 24px rgba(224,168,46,.35);
  --tr:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  color:var(--ink);background:var(--bg);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px}
.container-wide{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.container-narrow{width:100%;max-width:860px;margin:0 auto;padding:0 24px}
.num{font-family:"DIN Alternate","Barlow","Helvetica Neue",sans-serif;font-variant-numeric:tabular-nums}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.nav-inner{height:68px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--brand-900);letter-spacing:.2px;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));box-shadow:0 4px 12px rgba(15,74,56,.28);
}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-menu a{
  position:relative;padding:9px 16px;border-radius:999px;font-size:15px;color:var(--ink-2);font-weight:500;
  transition:background var(--tr),color var(--tr);
}
.nav-menu a:hover{background:var(--brand-100);color:var(--brand-700)}
.nav-menu a.active{color:var(--brand-700);font-weight:700;background:var(--brand-100)}
.nav-menu a.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--gold-600),var(--gold-500));
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative}
.nav-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-2);pointer-events:none}
.nav-search input{
  width:200px;height:40px;border-radius:999px;border:1px solid var(--line);background:#F8FBF9;
  padding:0 16px 0 40px;font-size:14px;color:var(--ink);transition:width var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.nav-search input::placeholder{color:#93A49E}
.nav-search input:focus{outline:none;width:260px;background:#fff;border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(224,168,46,.18)}
.btn-login{
  border:none;background:transparent;color:var(--brand-700);font-weight:600;font-size:15px;
  padding:10px 14px;border-radius:999px;transition:background var(--tr),color var(--tr);
}
.btn-login:hover{background:var(--brand-100)}
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border:none;
  border-radius:999px;font-size:15px;font-weight:700;color:#221806;cursor:pointer;
  background:linear-gradient(135deg,var(--gold-500),var(--gold-600));box-shadow:var(--sh-glow);
  transition:transform var(--tr),box-shadow var(--tr),filter var(--tr);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(224,168,46,.45);color:#221806;filter:saturate(1.05)}
.btn-gold:active{transform:scale(.98)}
.btn-outline-g{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;
  border-radius:999px;font-size:15px;font-weight:700;color:var(--brand-700);
  border:1.5px solid var(--brand-500);background:transparent;cursor:pointer;
  transition:background var(--tr),color var(--tr),transform var(--tr);
}
.btn-outline-g:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px)}
.btn-outline-g:active{transform:scale(.98)}
.btn-outline-light-g{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;color:#fff;border:1.5px solid rgba(255,255,255,.5);background:transparent;cursor:pointer;
  transition:background var(--tr),border-color var(--tr),transform var(--tr);
}
.btn-outline-light-g:hover{background:rgba(255,255,255,.12);border-color:var(--gold-300);color:#fff;transform:translateY(-2px)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;color:var(--brand-700);
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,40,31,.45);opacity:0;visibility:hidden;transition:opacity var(--tr);z-index:1050;
}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);background:#fff;z-index:1060;
  transform:translateX(102%);transition:transform 260ms ease;display:flex;flex-direction:column;box-shadow:-16px 0 40px rgba(8,40,31,.18);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--brand-700);cursor:pointer}
.drawer-nav{padding:14px 12px;display:flex;flex-direction:column;gap:2px;flex:1;overflow:auto}
.drawer-nav a{padding:0 16px;height:48px;display:flex;align-items:center;border-radius:12px;font-size:16px;color:var(--ink);font-weight:500}
.drawer-nav a.active{background:var(--brand-100);color:var(--brand-700);font-weight:700}
.drawer-nav a:active{transform:scale(.99)}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line)}
.drawer-foot .btn-gold{width:100%}

/* ============ hero ============ */
.hero{position:relative;overflow:hidden;background:var(--brand-900)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.6}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(8,40,31,.95) 0%,rgba(8,40,31,.82) 42%,rgba(8,40,31,.35) 100%);
}
.hero-chip{position:absolute;border-radius:50%;border:2px dashed rgba(246,217,138,.25);pointer-events:none}
.chip-a{width:220px;height:220px;right:-60px;bottom:-70px;opacity:.5}
.chip-b{width:120px;height:120px;right:180px;top:40px;opacity:.35;border-style:solid;border-color:rgba(255,255,255,.16)}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
  min-height:560px;padding:84px 0 118px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--gold-300);background:rgba(246,217,138,.14);border:1px solid rgba(246,217,138,.42);
}
.hero h1{
  font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:800;color:#fff;
  margin:20px 0 16px;letter-spacing:-.5px;max-width:760px;
}
.hero-sub{font-size:18px;line-height:1.85;color:rgba(255,255,255,.84);max-width:640px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.62)}
.hero-card{
  background:#fff;border-radius:var(--r-xl);padding:18px;box-shadow:0 26px 60px rgba(0,0,0,.4);
  transform:rotate(-3.5deg);transition:transform 320ms ease;
}
.hero-card:hover{transform:rotate(0deg) translateY(-6px)}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);background:linear-gradient(135deg,var(--brand-100),var(--brand-700))}
.hero-card .row-line{display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--ink-2);padding:12px 4px;border-bottom:1px dashed var(--line)}
.hero-card .row-line strong{color:var(--ink);font-weight:700}
.hero-card .prog-wrap{padding:16px 4px 6px}
.bar{height:10px;background:var(--brand-100);border-radius:999px;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold-500),var(--gold-600));width:0;transition:width 900ms ease}

/* ============ stat strip ============ */
.stat-strip{position:relative;z-index:4;margin-top:-46px}
.stat-grid{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);
  display:grid;grid-template-columns:repeat(4,1fr);padding:24px 8px;
}
.stat-item{text-align:center;border-right:1px solid var(--line);padding:4px 10px}
.stat-item:last-child{border-right:none}
.stat-num{font-size:32px;font-weight:700;color:var(--gold-600);line-height:1.2}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:2px}

/* ============ sections ============ */
.section{padding:88px 0}
.section-head{max-width:780px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.4px;
  color:var(--brand-500);background:var(--brand-100);padding:5px 14px;border-radius:999px;
}
.section-title{font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.3;margin:14px 0 14px;color:var(--brand-900)}
.section-desc{font-size:16px;color:var(--ink-2);max-width:760px}

.play-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;align-items:start}
.card-g{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.card-g:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.timeline-card{padding:34px}
.tl-item{display:flex;gap:20px;padding:20px 0;border-bottom:1px dashed var(--line)}
.tl-item:last-of-type{border-bottom:none;padding-bottom:6px}
.tl-item:first-of-type{padding-top:6px}
.tl-dot{
  flex:0 0 auto;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:#2A1D04;background:linear-gradient(140deg,var(--gold-300),var(--gold-500));
  box-shadow:0 6px 16px rgba(224,168,46,.3);
}
.tl-body h3{font-size:19px;font-weight:700;color:var(--brand-900);margin-bottom:6px}
.tl-body p{font-size:15px;color:var(--ink-2);line-height:1.8}
.tl-link{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:14px;font-weight:600;color:var(--brand-700);transition:gap var(--tr),color var(--tr)}
.tl-link:hover{gap:12px;color:var(--gold-600)}
.mini-stack{display:grid;gap:24px}
.mini-card{padding:26px;display:flex;flex-direction:column;gap:12px}
.mini-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);
}
.mini-card h3{font-size:18px;font-weight:700;color:var(--brand-900)}
.mini-card p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* reward band */
.reward-band{background:var(--brand-900);padding:88px 0;position:relative;overflow:hidden}
.reward-band::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-160px;top:-180px;
  background:radial-gradient(circle,rgba(224,168,46,.16),transparent 68%);
}
.reward-head{position:relative;z-index:2;max-width:760px;margin-bottom:38px}
.reward-head .eyebrow{background:rgba(246,217,138,.14);color:var(--gold-300)}
.reward-head h2{color:#fff;font-size:clamp(24px,2.8vw,34px);font-weight:700;margin:14px 0 12px;line-height:1.3}
.reward-head p{color:rgba(255,255,255,.76);font-size:16px}
.reward-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.reward-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(246,217,138,.32);border-radius:var(--r-lg);
  padding:24px;color:#fff;transition:transform var(--tr),border-color var(--tr),background var(--tr);
}
.reward-card:hover{transform:translateY(-6px);border-color:var(--gold-500);background:rgba(255,255,255,.13)}
.reward-pill{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;color:#2A1D04;
  background:linear-gradient(135deg,var(--gold-300),var(--gold-500));
}
.reward-card h3{font-size:18px;font-weight:700;margin:14px 0 8px;color:#fff}
.reward-card p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.76)}
.reward-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);margin-top:16px;background:linear-gradient(135deg,rgba(228,243,236,.25),rgba(15,74,56,.6))}
.reward-cta{position:relative;z-index:2;margin-top:38px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.reward-cta .btn-gold{height:52px;padding:0 34px;font-size:16px}
.reward-cta span{color:rgba(255,255,255,.62);font-size:13px}

/* progress narrative */
.progress-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.progress-list{display:grid;gap:22px;margin-top:6px}
.p-item .p-top{display:flex;justify-content:space-between;align-items:baseline;font-size:15px;color:var(--ink);margin-bottom:10px}
.p-item .p-top b{font-weight:700;color:var(--brand-900)}
.p-item .p-top i{font-style:normal;font-size:13px;color:var(--ink-2)}
.p-bar{height:10px;border-radius:999px;background:var(--brand-100);overflow:hidden}
.p-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold-500),var(--gold-600));width:0;transition:width 900ms ease}
.check-card{padding:10px 24px}
.check-item{display:flex;gap:14px;align-items:flex-start;padding:18px 0;border-bottom:1px dashed var(--line)}
.check-item:last-child{border-bottom:none}
.check-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;margin-top:3px;
  background:var(--brand-100);color:var(--brand-700);
}
.check-item b{display:block;font-size:15px;font-weight:700;color:var(--brand-900);margin-bottom:2px}
.check-item span{font-size:13px;color:var(--ink-2)}

/* cms posts */
.cms-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:38px}
.cms-tagline{font-size:14px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 18px;white-space:nowrap}
.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-lg);overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;transition:transform var(--tr),box-shadow var(--tr);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post-cover{width:100%;aspect-ratio:16/10;object-fit:cover;background:linear-gradient(135deg,var(--brand-100),var(--brand-700))}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-tag{align-self:flex-start;background:var(--brand-100);color:var(--brand-700);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600}
.post-title{
  font-size:18px;font-weight:700;line-height:1.5;color:var(--brand-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--tr);
}
.post-excerpt{
  font-size:14px;color:var(--ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);padding-top:14px;font-size:13px;color:var(--ink-2);
}
.post-link{font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px;transition:gap var(--tr),color var(--tr)}
.post-card:hover .post-title{color:var(--brand-700)}
.post-card:hover .post-link{color:var(--gold-600);gap:10px}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;color:var(--ink-2);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 16px;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);
}
.empty-state b{display:block;font-size:17px;color:var(--brand-900);font-weight:700;margin-bottom:6px}
.empty-state span{font-size:14px}

/* faq */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md)!important;margin-bottom:14px;overflow:hidden;background:#fff;
  box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:17px;font-weight:600;color:var(--brand-700);padding:20px 24px;background:#fff;box-shadow:none;
}
.accordion-button:not(.collapsed){
  background:var(--brand-100);color:var(--brand-700);
  box-shadow:inset 4px 0 0 var(--gold-500);
}
.accordion-button:focus{box-shadow:none;border-color:transparent;outline:none}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%23B8860B' stroke-width='2' stroke-linecap='round' d='M3 6l5 5 5-5'/%3E%3C/svg%3E");
  background-size:16px;width:16px;height:16px;
}
.accordion-body{padding:6px 24px 22px;font-size:15px;line-height:1.9;color:var(--ink-2);background:#fff}

/* cta */
.cta-band{
  background:var(--brand-100);border-radius:var(--r-xl);padding:56px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::after{content:"";position:absolute;width:160px;height:160px;border-radius:50%;background:rgba(23,121,90,.10);right:70px;bottom:-70px}
.cta-band::before{content:"";position:absolute;width:90px;height:90px;border-radius:50%;background:rgba(224,168,46,.16);right:220px;top:-40px}
.cta-text{position:relative;z-index:2;max-width:640px}
.cta-text h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--brand-900);line-height:1.35;margin-bottom:10px}
.cta-text p{font-size:15px;color:var(--ink-2)}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--gold-600),var(--gold-500))}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:320px}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-links a{display:block;padding:7px 0;font-size:14px;color:rgba(255,255,255,.72);transition:color var(--tr),transform var(--tr)}
.footer-links a:hover{color:var(--gold-300);transform:translateX(3px)}
.footer-suit{position:relative;height:70px;margin-top:18px;opacity:.14}
.footer-suit svg{position:absolute;left:0;top:0}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}

/* responsive */
@media (max-width:1199px){
  .nav-search input{width:160px}
  .nav-search input:focus{width:200px}
  .reward-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .nav-menu,.nav-search,.btn-login,.nav-actions .btn-gold{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:58px}
  .brand{font-size:16px}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:64px 0 104px;min-height:auto}
  .hero-card{transform:rotate(-2deg)}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:18px 0;padding:20px 0}
  .stat-item:nth-child(2){border-right:none}
  .play-grid,.progress-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container-wide{padding:0 18px}
  .section{padding:56px 0}
  .timeline-card{padding:24px 20px}
  .reward-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 24px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-gold,.cta-actions .btn-outline-g{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-sub{font-size:16px}
  .site-footer{margin-top:56px}
}
@media (max-width:519px){
  .hero-actions .btn-gold,.hero-actions .btn-outline-light-g{width:100%}
  .stat-num{font-size:26px}
  .reward-cta .btn-gold{width:100%}
}

/* roulang page: article */
:root{
  --brand-900:#08281F;
  --brand-700:#0F4A38;
  --brand-500:#17795A;
  --brand-100:#E4F3EC;
  --gold-600:#B8860B;
  --gold-500:#E0A82E;
  --gold-300:#F6D98A;
  --accent-red:#C4382F;
  --ink:#101A17;
  --ink-2:#4A5A54;
  --line:#DCE7E2;
  --bg:#F5F9F7;
  --surface:#FFFFFF;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 10px rgba(8,40,31,.06);
  --sh-2:0 12px 32px rgba(8,40,31,.12);
  --sh-glow:0 8px 24px rgba(224,168,46,.35);
  --t:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--gold-600)}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px;border-radius:4px}
.container-wide{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.container-narrow{width:100%;max-width:780px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--brand-900);letter-spacing:.2px;white-space:nowrap}
.brand:hover{color:var(--brand-700)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-900));
  box-shadow:0 4px 12px rgba(8,40,31,.25);flex:0 0 auto;
}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-menu a{
  position:relative;padding:8px 12px;font-size:15px;font-weight:600;color:var(--ink-2);border-radius:var(--r-sm);
}
.nav-menu a:hover{color:var(--brand-700);background:var(--brand-100)}
.nav-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--gold-500),var(--gold-300));opacity:0;transition:opacity var(--t);
}
.nav-menu a.active{color:var(--brand-900);font-weight:800}
.nav-menu a.active::after{opacity:1}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;width:200px;padding:8px 14px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;color:var(--ink-2);
  transition:width var(--t),border-color var(--t),background var(--t);
}
.nav-search:focus-within{width:260px;background:#fff;border-color:var(--gold-500)}
.nav-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--ink)}
.nav-search input::placeholder{color:#8AA09A}
.btn-login{
  border:0;background:transparent;color:var(--ink-2);font-size:15px;font-weight:600;padding:8px 10px;border-radius:999px;
  transition:color var(--t),background var(--t);
}
.btn-login:hover{color:var(--brand-700);background:var(--brand-100)}
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 24px;border-radius:999px;font-weight:700;font-size:15px;color:#221806;
  background:linear-gradient(135deg,var(--gold-300),var(--gold-500) 55%,var(--gold-600));
  box-shadow:var(--sh-glow);border:0;transition:transform var(--t),box-shadow var(--t);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(224,168,46,.45);color:#221806}
.btn-gold:active{transform:scale(.98)}
.nav-toggle{
  display:none;border:1px solid var(--line);background:#fff;color:var(--brand-700);
  width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--brand-100)}

/* ---------- 文章头部 ---------- */
.article-hero{background:var(--surface);border-bottom:1px solid var(--line);position:relative}
.article-hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,var(--gold-500),var(--brand-700) 70%,var(--brand-900));
}
.article-hero .container-narrow{padding-top:36px;padding-bottom:32px}
.breadcrumb-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);margin-bottom:18px;
}
.breadcrumb-line .sep{color:#9FB3AC}
.breadcrumb-line a{color:var(--ink-2)}
.breadcrumb-line a:hover{color:var(--gold-600)}
.breadcrumb-line .current{color:var(--ink-2);opacity:.8}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:var(--brand-100);color:var(--brand-700);margin-bottom:16px;
}
.article-title{
  font-size:clamp(26px,3.4vw,38px);line-height:1.35;font-weight:800;color:var(--brand-900);
  margin:0 0 18px;letter-spacing:-.2px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-2)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#B9CCC6;display:inline-block}

/* ---------- 封面 ---------- */
.article-cover{margin:32px auto 0;max-width:860px;padding:0 24px}
.cover-frame{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  aspect-ratio:16/9;background:linear-gradient(135deg,var(--brand-100),var(--brand-700));
}
.cover-frame img{width:100%;height:100%;object-fit:cover}

/* ---------- 正文 ---------- */
.article-main{padding:44px 0 72px}
.article-body{
  max-width:780px;margin:0 auto;padding:0 24px;
  font-size:17px;line-height:1.9;color:var(--ink);
}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);font-weight:700;color:var(--brand-900);
  margin:48px 0 18px;padding-left:16px;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--gold-500),var(--gold-600));
}
.article-body h3{font-size:20px;font-weight:700;color:var(--brand-700);margin:32px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:var(--brand-900);margin:24px 0 10px}
.article-body strong{color:var(--brand-700);font-weight:700}
.article-body a{color:var(--brand-700);border-bottom:1px solid rgba(15,74,56,.35)}
.article-body a:hover{color:var(--gold-600);border-bottom-color:var(--gold-500)}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px}
.article-body li{margin-bottom:10px}
.article-body ul li::marker{color:var(--gold-500);font-size:1.05em}
.article-body ol li::marker{color:var(--gold-600);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--brand-100);
  border-left:4px solid var(--brand-500);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--brand-900);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:24px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px}
.article-body code{
  background:#EEF4F1;color:var(--brand-700);padding:2px 7px;border-radius:6px;font-size:14px;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
.article-body pre{
  background:var(--brand-900);color:#E9F5F0;padding:18px 20px;border-radius:var(--r-md);
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:26px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body thead th{background:var(--brand-700);color:#fff;font-weight:700;text-align:left;padding:13px 16px}
.article-body tbody td{padding:12px 16px;border-top:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#F3F9F6}
.table-scroll{overflow-x:auto;margin:26px 0}
.table-scroll table{margin:0;min-width:520px}
.article-empty{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:56px 28px;text-align:center;max-width:780px;margin:0 auto;
}
.article-empty .ico{
  width:56px;height:56px;border-radius:50%;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;background:var(--brand-100);color:var(--brand-700);
}
.article-empty h2{margin:0 0 10px;font-size:22px;font-weight:800;color:var(--brand-900)}
.article-empty p{margin:0 0 22px;color:var(--ink-2);font-size:15px}

/* ---------- 文末操作条 ---------- */
.action-bar{
  max-width:780px;margin:56px auto 0;padding:0 24px;
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;
}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-size:15px;font-weight:700;
  border:1.5px solid var(--brand-700);color:var(--brand-700);background:transparent;
  transition:background var(--t),transform var(--t),color var(--t);
}
.btn-outline:hover{background:var(--brand-100);transform:translateY(-2px);color:var(--brand-900)}
.btn-outline:active{transform:scale(.98)}
.nav-cards{
  max-width:780px;margin:28px auto 0;padding:0 24px;
  display:grid;grid-template-columns:1fr;gap:16px;
}
.nav-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.nav-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--gold-300)}
.nav-card .lbl{display:block;font-size:12px;color:var(--gold-600);font-weight:700;letter-spacing:.5px;margin-bottom:4px}
.nav-card .ttl{font-size:16px;font-weight:700;color:var(--brand-900);line-height:1.5}
.nav-card .arrow{color:var(--brand-500);flex:0 0 auto;transition:transform var(--t)}
.nav-card:hover .arrow{transform:translateX(4px)}
.nav-cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}

/* ---------- 相关推荐 ---------- */
.related{background:var(--surface);border-top:1px solid var(--line);padding:64px 0 72px;margin-top:72px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:28px}
.section-head h2{margin:0;font-size:clamp(22px,2.4vw,28px);font-weight:800;color:var(--brand-900)}
.section-head p{margin:6px 0 0;font-size:14px;color:var(--ink-2)}
.link-more{font-size:14px;font-weight:700;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--gold-600);gap:10px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);height:100%;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--gold-300)}
.post-thumb{aspect-ratio:16/10;background:linear-gradient(135deg,var(--brand-100),var(--brand-700));overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1}
.post-cat{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--brand-700);
  background:var(--brand-100);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.post-title{font-size:17px;font-weight:700;line-height:1.55;color:var(--brand-900);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-title{color:var(--brand-700)}
.post-desc{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2);border-top:1px dashed var(--line);padding-top:12px}
.post-foot .read{font-weight:700;color:var(--brand-700)}

/* ---------- CTA ---------- */
.cta-band{padding:0 24px 80px}
.cta-card{
  max-width:1280px;margin:0 auto;border-radius:var(--r-xl);
  background:linear-gradient(135deg,var(--brand-700),var(--brand-900));
  color:#fff;padding:48px 44px;position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-card::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(246,217,138,.28),transparent 68%);
}
.cta-card h2{margin:0 0 10px;font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#fff}
.cta-card p{margin:0;font-size:15px;color:rgba(255,255,255,.78);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
.btn-ghost{
  display:inline-flex;align-items:center;padding:11px 24px;border-radius:999px;font-weight:700;font-size:15px;
  border:1.5px solid rgba(255,255,255,.5);color:#fff;background:transparent;
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:var(--gold-300);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 26px;position:relative;overflow:hidden}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--gold-300),var(--gold-500))}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);margin:0}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);transition:color var(--t),transform var(--t)}
.footer-links a:hover{color:var(--gold-300);transform:translateX(3px)}
.footer-suit{margin-top:18px;opacity:.12}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{width:170px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .nav-menu{
    position:fixed;top:58px;left:0;right:0;bottom:0;z-index:1029;
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:14px 20px 96px;
    background:#fff;box-shadow:var(--sh-2);transform:translateY(-12px);
    opacity:0;visibility:hidden;transition:opacity var(--t),transform var(--t),visibility var(--t);
    overflow-y:auto;
  }
  .site-header.nav-open .nav-menu{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-menu a{height:48px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-menu a::after{display:none}
  .nav-menu a.active{color:var(--brand-900)}
  .nav-toggle{display:inline-flex}
  .nav-search{display:none}
  .nav-inner{height:58px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .nav-cards.two{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{padding:38px 28px}
}
@media (max-width:767px){
  .container-wide,.container-narrow{padding:0 18px}
  .article-hero .container-narrow{padding-top:26px;padding-bottom:24px}
  .article-cover{padding:0 18px;margin-top:24px}
  .article-main{padding:32px 0 56px}
  .article-body{padding:0 18px;font-size:16px}
  .article-body h2{margin-top:38px}
  .action-bar,.nav-cards{padding:0 18px}
  .card-grid{grid-template-columns:1fr}
  .related{padding:48px 0 56px;margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start}
  .btn-gold,.btn-outline,.btn-ghost{min-height:44px}
}
@media (max-width:519px){
  .brand span:last-child{font-size:16px}
  .article-title{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn-gold,.cta-actions .btn-ghost{width:100%;justify-content:center}
}

/* roulang page: category1 */
:root{
  --brand-900:#08281F;
  --brand-700:#0F4A38;
  --brand-500:#17795A;
  --brand-100:#E4F3EC;
  --gold-600:#B8860B;
  --gold-500:#E0A82E;
  --gold-300:#F6D98A;
  --accent-red:#C4382F;
  --ink:#101A17;
  --ink-2:#4A5A54;
  --line:#DCE7E2;
  --bg:#F5F9F7;
  --surface:#FFFFFF;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 10px rgba(8,40,31,.06);
  --sh-2:0 12px 32px rgba(8,40,31,.12);
  --sh-glow:0 8px 24px rgba(224,168,46,.35);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-cn);color:var(--brand-900);margin:0}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px;border-radius:6px}
.container-wide{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.container-narrow{width:100%;max-width:780px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);letter-spacing:.02em}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--brand-900);white-space:nowrap;letter-spacing:-.2px}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 34px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-900));
  display:grid;place-items:center;
  box-shadow:0 4px 14px rgba(8,40,31,.28);
  transition:transform .18s ease;
}
.brand:hover .brand-mark{transform:translateY(-2px) rotate(-3deg)}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:8px 13px;
  border-radius:999px;
  font-size:15px;
  color:var(--ink-2);
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-menu a:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-1px)}
.nav-menu a.active{color:var(--brand-900);font-weight:700}
.nav-menu a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--gold-500),var(--gold-300));
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:#F1F6F3;
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 14px;
  width:200px;
  color:var(--ink-2);
  transition:width .25s ease,border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{width:262px;border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(224,168,46,.18)}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.nav-search input::placeholder{color:#8A9C95}
.btn-login{
  background:transparent;border:0;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--brand-700);
  padding:8px 8px;border-radius:999px;
  transition:color .18s ease,background .18s ease;
}
.btn-login:hover{color:var(--gold-600);background:var(--brand-100)}
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border:0;border-radius:999px;
  background:linear-gradient(135deg,var(--gold-500),var(--gold-300));
  color:#221806;font-weight:700;font-size:15px;cursor:pointer;
  box-shadow:var(--sh-glow);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(224,168,46,.45);filter:saturate(1.08)}
.btn-gold:active{transform:scale(.98)}
.btn-gold.lg{height:52px;padding:0 30px;font-size:16px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  border:1.5px solid var(--brand-700);color:var(--brand-700);
  background:transparent;font-weight:700;font-size:15px;cursor:pointer;
  transition:background .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-ghost:hover{background:var(--brand-100);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand-900);
  align-items:center;justify-content:center;cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-500)}
.nav-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:10px 0 18px;
}
.nav-drawer.open{display:block;animation:drawerIn .22s ease}
@keyframes drawerIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.nav-drawer a.d-item{
  display:block;line-height:44px;padding:0 4px;
  font-size:16px;color:var(--ink);border-bottom:1px dashed var(--line);
  transition:color .18s ease,padding-left .18s ease;
}
.nav-drawer a.d-item:hover{color:var(--brand-700);padding-left:10px}
.nav-drawer a.d-item.current{color:var(--brand-700);font-weight:700}
.nav-drawer .d-actions{display:flex;gap:12px;margin-top:16px}
.nav-drawer .d-actions .btn-ghost,.nav-drawer .d-actions .btn-gold{flex:1}

/* ---------- 分类页头 ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(180deg,#EDF8F2 0%,var(--brand-100) 100%);
  border-bottom:1px solid var(--line);
  padding:52px 0 46px;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,168,46,.20),rgba(224,168,46,0) 68%);
}
.cat-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.cat-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--brand-700);
  border:1px solid rgba(15,74,56,.14);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;
  box-shadow:var(--sh-1);margin-bottom:18px;
}
.cat-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold-500);box-shadow:0 0 0 4px rgba(224,168,46,.2)}
.cat-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.24;font-weight:800;letter-spacing:-.5px;margin-bottom:16px;
}
.cat-hero h1 em{font-style:normal;color:var(--brand-500)}
.cat-hero .lead{font-size:17px;color:var(--ink-2);max-width:560px;margin-bottom:24px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--ink-2)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta svg{color:var(--brand-500)}
.cat-hero-art{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  margin-right:-40px;
  aspect-ratio:16/10;
  background:linear-gradient(135deg,var(--brand-100),var(--brand-700));
}
.cat-hero-art img{width:100%;height:100%;object-fit:cover;filter:brightness(.82) saturate(1.05)}
.cat-hero-art::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(8,40,31,.55),rgba(8,40,31,0) 62%);
}
.pill-nav{
  position:relative;z-index:3;
  display:flex;flex-wrap:nowrap;gap:10px;overflow-x:auto;
  margin-top:34px;padding-bottom:6px;
  scrollbar-width:none;
}
.pill-nav::-webkit-scrollbar{display:none}
.pill-nav a{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:9px 18px;
  font-size:14px;font-weight:600;color:var(--brand-700);
  box-shadow:var(--sh-1);
  transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.pill-nav a:hover{transform:translateY(-2px);background:var(--brand-700);color:#fff;border-color:var(--brand-700);box-shadow:var(--sh-2)}
.pill-nav a .idx{font-family:var(--font-num);font-size:12px;color:var(--gold-600);font-weight:700}
.pill-nav a:hover .idx{color:var(--gold-300)}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section.tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,2.6vw,32px);font-weight:700;letter-spacing:-.3px;line-height:1.32}
.section-head .sub{font-size:15px;color:var(--ink-2);margin:10px 0 0;max-width:640px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--gold-600);text-transform:uppercase;margin-bottom:10px;
}

/* ---------- 概览三卡 ---------- */
.overview-card{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 26px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.overview-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,74,56,.22)}
.overview-card .big{font-family:var(--font-num);font-size:clamp(34px,4vw,46px);line-height:1;font-weight:700;color:var(--gold-600);margin-bottom:12px}
.overview-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.overview-card p{font-size:14.5px;color:var(--ink-2);margin:0}
.overview-card.accent{background:linear-gradient(150deg,var(--brand-700),var(--brand-900));border-color:transparent;color:#fff}
.overview-card.accent .big{color:var(--gold-300)}
.overview-card.accent h3{color:#fff}
.overview-card.accent p{color:rgba(255,255,255,.76)}

/* ---------- 规则条目区 ---------- */
.rules-layout{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start}
.toc{
  position:sticky;top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 18px;
  box-shadow:var(--sh-1);
}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--ink-2);text-transform:uppercase;padding:0 10px 12px;border-bottom:1px solid var(--line);margin-bottom:10px}
.toc a{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:var(--r-sm);
  font-size:14.5px;color:var(--ink-2);
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.toc a::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:transparent;transition:background .18s ease}
.toc a:hover{background:var(--brand-100);color:var(--brand-700);padding-left:16px}
.toc a.active{color:var(--brand-900);font-weight:700;background:#F3FAF6}
.toc a.active::before{background:var(--gold-500)}
.toc a .n{font-family:var(--font-num);font-size:12px;color:var(--gold-600);font-weight:700}

.rule-group{margin-bottom:48px;scroll-margin-top:110px}
.rule-group:last-child{margin-bottom:0}
.rule-group > h2{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(20px,2.2vw,26px);font-weight:700;margin-bottom:8px;
}
.rule-group > h2::before{
  content:"";width:4px;height:24px;border-radius:3px;
  background:linear-gradient(180deg,var(--gold-500),var(--brand-500));
  flex:0 0 4px;
}
.rule-group > .group-desc{font-size:15px;color:var(--ink-2);margin:0 0 22px;padding-left:16px}
.rule-item{
  display:grid;grid-template-columns:44px 1fr;gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
  margin-bottom:14px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.rule-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(224,168,46,.42)}
.rule-item .seq{
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--font-num);font-size:15px;font-weight:700;
  color:#4A3405;background:linear-gradient(135deg,var(--gold-300),var(--gold-500));
  box-shadow:0 6px 14px rgba(224,168,46,.32);
}
.rule-item h3{font-size:17px;font-weight:700;margin-bottom:6px}
.rule-item p{font-size:15px;color:var(--ink-2);margin:0}
.rule-item .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{
  display:inline-flex;align-items:center;
  background:var(--brand-100);color:var(--brand-700);
  border-radius:999px;padding:3px 12px;font-size:12.5px;font-weight:600;
}
.tag.gold{background:#FBF1D6;color:#8A6508}
.tag.red{background:#FBEAE8;color:var(--accent-red)}

/* 移动端目录折叠 */
.toc-mobile{display:none;margin-bottom:24px}
.toc-mobile summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;font-weight:700;color:var(--brand-900);box-shadow:var(--sh-1);
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile[open] summary{border-bottom-left-radius:0;border-bottom-right-radius:0}
.toc-mobile .list{
  background:var(--surface);border:1px solid var(--line);border-top:0;
  border-radius:0 0 var(--r-md) var(--r-md);padding:8px;
}
.toc-mobile .list a{display:block;line-height:40px;padding:0 12px;border-radius:8px;font-size:15px;color:var(--ink-2)}
.toc-mobile .list a:hover{background:var(--brand-100);color:var(--brand-700)}

/* ---------- 对照表 ---------- */
.compare-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.compare-title{
  padding:22px 26px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.compare-title h3{font-size:18px;font-weight:700;margin:0}
.compare-title span{font-size:13px;color:var(--ink-2)}
table.rule-table{width:100%;border-collapse:collapse}
table.rule-table thead th{
  background:var(--brand-900);color:#fff;
  font-size:14px;font-weight:600;text-align:left;
  padding:14px 26px;letter-spacing:.02em;white-space:nowrap;
}
table.rule-table tbody td{
  padding:16px 26px;font-size:15px;color:var(--ink-2);
  border-bottom:1px solid var(--line);vertical-align:top;
}
table.rule-table tbody td:first-child{color:var(--brand-900);font-weight:700;width:200px}
table.rule-table tbody tr:nth-child(even){background:#F7FBF9}
table.rule-table tbody tr:last-child td{border-bottom:0}
table.rule-table tbody tr:hover{background:var(--brand-100)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:rgba(224,168,46,.5);box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 56px 20px 26px;
  font-size:16.5px;font-weight:600;color:var(--brand-900);
  transition:color .18s ease,background .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#F7FBF9;color:var(--brand-500)}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;
  width:11px;height:11px;margin-top:-7px;
  border-right:2px solid var(--gold-600);border-bottom:2px solid var(--gold-600);
  transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,var(--gold-500),var(--gold-300));
}
.faq-item .faq-body{padding:0 26px 22px;font-size:15px;color:var(--ink-2);line-height:1.9}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 76px}
.cta-card{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--brand-100),#F7FCF9);
  border:1px solid rgba(15,74,56,.12);
  border-radius:var(--r-xl);
  padding:48px 46px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:var(--sh-1);
}
.cta-card h2{font-size:clamp(22px,2.5vw,30px);font-weight:700;margin-bottom:10px}
.cta-card p{font-size:15.5px;color:var(--ink-2);margin:0;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-card::before,.cta-card::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.cta-card::before{width:180px;height:180px;right:-60px;bottom:-80px;background:radial-gradient(circle,rgba(224,168,46,.28),rgba(224,168,46,0) 70%)}
.cta-card::after{width:120px;height:120px;right:120px;top:-60px;background:radial-gradient(circle,rgba(15,74,56,.16),rgba(15,74,56,0) 70%)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--gold-500),var(--gold-300));box-shadow:none}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7)}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease,padding-left .18s ease}
.footer-links a:hover{color:var(--gold-300);padding-left:5px}
.footer-suit{margin-top:22px;opacity:.14}
.footer-bottom{
  margin-top:52px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .rules-layout{grid-template-columns:300px 1fr;gap:36px}
  .cat-hero-art{margin-right:0}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991.98px){
  .nav-menu,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:58px}
  .btn-login{display:none}
  .cat-hero{padding:40px 0 36px}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px}
  .cat-hero-art{margin-right:0;aspect-ratio:16/9}
  .rules-layout{grid-template-columns:1fr;gap:0}
  .toc{display:none}
  .toc-mobile{display:block}
  .section{padding:56px 0}
  .cta-card{padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-col:last-child{grid-column:auto}
}
@media (max-width:767.98px){
  .container-wide,.container-narrow{padding:0 18px}
  body{font-size:16px}
  .brand{font-size:15.5px}
  .rule-item{grid-template-columns:38px 1fr;padding:18px;gap:12px}
  .rule-item .seq{width:38px;height:38px;font-size:14px}
  .compare-title{padding:18px}
  table.rule-table thead{display:none}
  table.rule-table,table.rule-table tbody,table.rule-table tr,table.rule-table td{display:block;width:100%}
  table.rule-table tr{border-bottom:1px solid var(--line);padding:6px 0}
  table.rule-table tr:last-child{border-bottom:0}
  table.rule-table tbody td{border:0;padding:8px 18px}
  table.rule-table tbody td:first-child{width:auto;padding-bottom:2px}
  table.rule-table tbody tr:nth-child(even){background:#F7FBF9}
  .faq-item summary{padding:16px 48px 16px 18px;font-size:15.5px}
  .faq-item .faq-body{padding:0 18px 18px}
  .cta-band{padding-bottom:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .cat-hero h1{font-size:26px}
  .pill-nav a{padding:8px 14px;font-size:13px}
  .overview-card{padding:22px 20px}
  .cta-actions .btn-gold,.cta-actions .btn-ghost{width:100%}
}

/* roulang page: category2 */
:root{
  --brand-900:#08281F;
  --brand-700:#0F4A38;
  --brand-500:#17795A;
  --brand-100:#E4F3EC;
  --gold-600:#B8860B;
  --gold-500:#E0A82E;
  --gold-300:#F6D98A;
  --accent-red:#C4382F;
  --ink:#101A17;
  --ink-2:#4A5A54;
  --line:#DCE7E2;
  --bg:#F5F9F7;
  --surface:#FFFFFF;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 10px rgba(8,40,31,.06);
  --sh-2:0 12px 32px rgba(8,40,31,.12);
  --sh-glow:0 8px 24px rgba(224,168,46,.35);
  --trans:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px;border-radius:6px}

.container-wide{max-width:1280px;margin:0 auto;padding:0 24px;width:100%}
.container-narrow{max-width:780px;margin:0 auto;padding:0 24px;width:100%}

/* ---------- 通用组件 ---------- */
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.2px}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-700);background:var(--brand-100);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold-500)}

.btn{border-radius:999px;font-weight:700;padding:12px 26px;border:1.5px solid transparent;transition:transform var(--trans),box-shadow var(--trans),background var(--trans),color var(--trans);display:inline-flex;align-items:center;gap:8px;min-height:44px}
.btn-primary{
  background:linear-gradient(135deg,var(--gold-300),var(--gold-500));
  color:#221806;border-color:transparent;box-shadow:var(--sh-glow);
}
.btn-primary:hover,.btn-primary:focus{background:linear-gradient(135deg,var(--gold-500),var(--gold-600));color:#1B1305;transform:translateY(-2px);box-shadow:0 12px 28px rgba(224,168,46,.42)}
.btn-outline-green{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-outline-green:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn:active{transform:scale(.98)}
.btn-lg-cta{height:52px;padding:0 34px;font-size:16px}

.cardx{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.cardx:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#C9DCD3}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--brand-900);white-space:nowrap;letter-spacing:-.2px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand-900),var(--brand-700));
  box-shadow:inset 0 0 0 1px rgba(246,217,138,.25);
}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-menu a{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-2);
  padding:8px 14px;border-radius:10px;transition:color var(--trans),background var(--trans);
}
.nav-menu a:hover{color:var(--brand-700);background:var(--brand-100)}
.nav-menu a.active{color:var(--brand-900);font-weight:800}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--gold-500),var(--gold-300));
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink-2);
  width:200px;transition:width var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.nav-search:focus-within{width:260px;border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(224,168,46,.18)}
.nav-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.btn-login{background:transparent;border:0;font-size:15px;font-weight:600;color:var(--ink-2);padding:8px 10px;border-radius:10px;transition:color var(--trans),background var(--trans)}
.btn-login:hover{color:var(--brand-700);background:var(--brand-100)}
.btn-gold{
  display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 20px;border-radius:999px;
  background:linear-gradient(135deg,var(--gold-300),var(--gold-500));color:#221806;
  font-size:14.5px;font-weight:800;box-shadow:var(--sh-glow);
  transition:transform var(--trans),box-shadow var(--trans),filter var(--trans);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(224,168,46,.45);filter:brightness(1.03)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--brand-700);align-items:center;justify-content:center;transition:background var(--trans),border-color var(--trans)}
.nav-toggle:hover{background:var(--brand-100);border-color:#C9DCD3}
.nav-backdrop{position:fixed;inset:0;background:rgba(8,40,31,.45);opacity:0;visibility:hidden;transition:opacity var(--trans);z-index:1035}
body.nav-open .nav-backdrop{opacity:1;visibility:visible}

/* ---------- 分类页头 ---------- */
.cat-hero{
  position:relative;overflow:hidden;background:var(--surface);
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:radial-gradient(rgba(8,40,31,.07) 1px,transparent 1px);
  background-size:18px 18px;
}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:64px 0 56px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:20px}
.crumb a{color:var(--brand-700);font-weight:600}
.crumb a:hover{color:var(--gold-600)}
.crumb span.sep{color:#A9BAB3}
.crumb span.current{color:var(--ink-2)}
.cat-hero h1{
  position:relative;font-size:clamp(28px,3.6vw,44px);line-height:1.24;font-weight:800;letter-spacing:-.6px;
  padding-left:20px;color:var(--brand-900);
}
.cat-hero h1::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:6px;border-radius:4px;
  background:linear-gradient(180deg,var(--gold-500),var(--gold-300));
}
.cat-hero .lead{margin-top:20px;max-width:560px;color:var(--ink-2);font-size:17px;line-height:1.9}
.cat-hero-media{position:relative}
.cat-hero-media .frame{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--sh-2);
  background:linear-gradient(135deg,var(--brand-100),var(--brand-700));
}
.cat-hero-media .frame img{width:100%;height:100%;object-fit:cover}
.cat-hero-media .tag-float{
  position:absolute;left:-14px;bottom:-16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:12px 18px;box-shadow:var(--sh-2);
  font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:10px;
}
.cat-hero-media .tag-float b{font-family:"DIN Alternate","Barlow",sans-serif;font-size:20px;color:var(--gold-600)}

/* 步骤指示器 */
.step-indicator{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:34px;padding-top:26px;border-top:1px dashed var(--line);
}
.step-indicator .dot{
  display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13.5px;font-weight:600;color:var(--ink-2);
  transition:all var(--trans);
}
.step-indicator .dot i{
  font-style:normal;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:800;
  font-family:"DIN Alternate","Barlow",sans-serif;
}
.step-indicator .dot.is-current{
  border-color:var(--gold-500);background:linear-gradient(135deg,rgba(246,217,138,.35),rgba(224,168,46,.18));
  color:var(--brand-900);
}
.step-indicator .dot.is-current i{background:var(--gold-500);color:#221806}
.step-indicator .arrow{color:#B9C9C2;font-size:13px}

/* ---------- 步骤流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.flow-grid::before{
  content:"";position:absolute;top:34px;left:6%;right:6%;height:1px;
  border-top:2px dashed #CBE0D6;
}
.flow-step{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 24px 26px;box-shadow:var(--sh-1);
  transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9DCD3}
.flow-step .num{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  border:2px solid var(--gold-500);color:var(--gold-600);background:#fff;
  font-family:"DIN Alternate","Barlow",sans-serif;font-size:19px;font-weight:800;
  margin-bottom:18px;transition:all var(--trans);
}
.flow-step:hover .num{background:linear-gradient(135deg,var(--gold-300),var(--gold-500));color:#221806;border-color:var(--gold-500)}
.flow-step h3{font-size:19px;font-weight:700;color:var(--brand-900);margin-bottom:10px}
.flow-step p{font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ---------- 图文交替 ---------- */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:22px 0}
.zigzag + .zigzag{margin-top:64px;padding-top:56px;border-top:1px solid var(--line)}
.zigzag.reverse .zz-media{order:2}
.zigzag .zz-media{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--sh-2);background:linear-gradient(135deg,var(--brand-100),var(--brand-700))}
.zigzag .zz-media img{width:100%;height:100%;object-fit:cover}
.zigzag h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.32;color:var(--brand-900);margin-bottom:16px}
.zigzag p{color:var(--ink-2);margin-bottom:14px;max-width:620px}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--ink)}
.check-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;margin-top:5px;border-radius:5px;
  background:var(--brand-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230F4A38' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 12 5.5 5.5L20 6.5'/%3E%3C/svg%3E") center/12px no-repeat;
}

/* ---------- 提示徽章网格 ---------- */
.tips-band{background:linear-gradient(180deg,var(--bg),var(--brand-100));border-radius:var(--r-xl);padding:56px 40px}
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tip-card{
  background:rgba(255,255,255,.86);border:1px solid #CFE3D9;border-radius:var(--r-md);
  padding:20px 20px 18px;display:flex;gap:14px;align-items:flex-start;
  transition:transform var(--trans),box-shadow var(--trans),background var(--trans);
}
.tip-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);background:#fff}
.tip-card .ic{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-900),var(--brand-700));color:var(--gold-300);
}
.tip-card strong{display:block;font-size:15px;font-weight:700;color:var(--brand-900);margin-bottom:4px}
.tip-card span{font-size:13.5px;color:var(--ink-2);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:var(--r-md)!important;overflow:hidden;
  margin-bottom:14px;background:var(--surface);box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:17px;font-weight:700;color:var(--brand-900);background:var(--surface);
  padding:20px 24px;border:0!important;box-shadow:none!important;
  position:relative;transition:background var(--trans),color var(--trans);
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:var(--gold-500);opacity:0;transition:opacity var(--trans);
}
.accordion-button:not(.collapsed){background:var(--brand-100);color:var(--brand-900)}
.accordion-button:not(.collapsed)::before{opacity:1}
.accordion-button::after{filter:hue-rotate(115deg) saturate(1.4)}
.accordion-button:hover{background:#F3FAF6}
.accordion-body{padding:6px 24px 24px;font-size:15px;color:var(--ink-2);line-height:1.9}

/* ---------- 深色 CTA ---------- */
.cta-dark{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(140deg,var(--brand-900) 12%,var(--brand-700) 88%);
  padding:64px 56px;color:#fff;
}
.cta-dark .glow{
  position:absolute;width:340px;height:340px;border-radius:50%;right:-90px;top:-120px;
  background:radial-gradient(circle,rgba(224,168,46,.35),transparent 68%);
}
.cta-dark .glow2{
  position:absolute;width:220px;height:220px;border-radius:50%;left:-70px;bottom:-100px;
  background:radial-gradient(circle,rgba(23,121,90,.55),transparent 70%);
}
.cta-dark h2{position:relative;font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.3;margin-bottom:14px}
.cta-dark p{position:relative;max-width:640px;color:rgba(255,255,255,.82);margin-bottom:28px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px}
.btn-ghost-light{background:transparent;border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--gold-300),var(--gold-500));box-shadow:none}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72)}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color var(--trans),transform var(--trans);display:inline-block}
.footer-links a:hover{color:var(--gold-300);transform:translateX(3px)}
.footer-suit{margin-top:22px;opacity:.12}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{width:170px}
  .nav-search:focus-within{width:210px}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid::before{display:none}
  .cat-hero-inner{gap:40px}
}
@media (max-width:991px){
  .nav-menu,.nav-search,.btn-login{display:none}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:88px 20px 24px;margin:0;z-index:1040;
    transform:translateX(105%);transition:transform 220ms ease;
    box-shadow:-16px 0 40px rgba(8,40,31,.18);overflow-y:auto;
  }
  .nav-menu a{padding:13px 14px;font-size:15.5px;border-radius:12px;min-height:44px;display:flex;align-items:center}
  .nav-menu a.active::after{display:none}
  .nav-menu a.active{background:var(--brand-100)}
  body.nav-open .nav-menu{transform:translateX(0)}
  .cat-hero-inner{grid-template-columns:1fr;padding:48px 0 40px}
  .cat-hero-media{order:-1}
  .zigzag{grid-template-columns:1fr;gap:28px}
  .zigzag.reverse .zz-media{order:0}
  .zigzag + .zigzag{margin-top:44px;padding-top:40px}
  .tips-grid{grid-template-columns:repeat(2,1fr)}
  .tips-band{padding:40px 26px;border-radius:var(--r-lg)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .cta-dark{padding:48px 32px}
  .section{padding:60px 0}
}
@media (max-width:767px){
  .container-wide,.container-narrow{padding:0 18px}
  .nav-inner{height:58px}
  .brand{font-size:15.5px}
  .nav-menu{padding-top:78px}
  .cat-hero h1{font-size:26px;padding-left:16px}
  .cat-hero .lead{font-size:15.5px;margin-top:16px}
  .cat-hero-media .tag-float{left:0;bottom:-14px;font-size:12.5px;padding:10px 14px}
  .step-indicator{gap:8px;margin-top:26px;padding-top:20px}
  .step-indicator .arrow{display:none}
  .flow-grid{grid-template-columns:1fr;gap:16px}
  .tips-grid{grid-template-columns:1fr}
  .cta-dark{padding:38px 22px;border-radius:var(--r-lg)}
  .cta-actions .btn{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .section{padding:52px 0}
  .section-head{margin-bottom:28px}
}
@media (max-width:520px){
  .cat-hero h1{font-size:23px}
  .accordion-button{font-size:15.5px;padding:16px 18px}
  .accordion-body{padding:4px 18px 20px}
  .flow-step{padding:24px 18px}
  .btn-lg-cta{width:100%;justify-content:center}
}