/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#0E3A34;
  --c-primary-deep:#08241F;
  --c-primary-mid:#17705E;
  --c-secondary:#D98E3F;
  --c-secondary-light:#E0A458;
  --c-accent:#2FBF9F;
  --c-bg:#F6F2EA;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEAE0;
  --c-border:#E4DED2;
  --c-border-dark:rgba(255,255,255,.14);
  --c-text:#1B2422;
  --c-text-sub:#5C6B66;
  --c-text-weak:#8B978F;
  --c-danger:#C0492F;
  --grad-brand:linear-gradient(135deg,#08241F 0%,#0E3A34 38%,#17705E 72%,#2FBF9F 100%);
  --grad-cta:linear-gradient(135deg,#E0A458 0%,#D9762F 100%);
  --grad-soft:linear-gradient(180deg,#F6F2EA 0%,#EFEAE0 100%);
  --sh-1:0 4px 12px rgba(14,58,52,.06);
  --sh-2:0 10px 30px rgba(14,58,52,.08);
  --sh-3:0 18px 44px rgba(14,58,52,.14);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --nav-w:248px;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{margin:0;padding:0;scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  font-family:var(--font-sans);
  font-size:17px;line-height:1.85;font-weight:400;
  color:var(--c-text);background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.3;color:var(--c-text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-secondary);}
img{display:block;max-width:100%;height:auto;border:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;margin:0;}
button{cursor:pointer;border:0;background:none;color:inherit;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:3px solid rgba(47,191,159,.55);outline-offset:2px;border-radius:8px;}
::selection{background:rgba(47,191,159,.28);}

/* ============ 通用容器与按钮 ============ */
.main-wrap{width:100%;max-width:1240px;margin:0 auto;padding-left:clamp(16px,3vw,40px);padding-right:clamp(16px,3vw,40px);}
.app-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 22px rgba(217,118,47,.26);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(217,118,47,.36);color:#fff;}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:rgba(14,58,52,.08);color:var(--c-primary);}
.btn-soft{background:rgba(14,58,52,.08);color:var(--c-primary);}
.btn-soft:hover{background:rgba(14,58,52,.14);color:var(--c-primary);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.hero .btn-outline{border-color:rgba(255,255,255,.62);color:#fff;}
.hero .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.04em;line-height:1.6;
  background:rgba(47,191,159,.12);color:var(--c-primary);border:1px solid rgba(47,191,159,.3);
}
.hero .pill{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.24);}

/* ============ 左侧 App Shell 导航 ============ */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--grad-brand);color:#fff;
  display:flex;flex-direction:column;
  overflow-y:auto;overflow-x:hidden;
  z-index:80;
  border-right:1px solid rgba(255,255,255,.1);
}
.sb-head{padding:24px 20px 18px;}
.sb-brand{display:flex;align-items:center;gap:12px;color:#fff;}
.sb-brand:hover{color:#fff;}
.sb-brand-mark{
  width:44px;height:44px;flex:0 0 44px;
  display:grid;place-items:center;
  font-size:19px;font-weight:800;color:#fff;
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.24);
  border-radius:14px;
  clip-path:polygon(25% 0,75% 0,100% 25%,100% 75%,75% 100%,25% 100%,0 75%,0 25%);
}
.sb-brand-text strong{display:block;font-size:17px;font-weight:700;line-height:1.25;letter-spacing:.01em;}
.sb-brand-text small{display:block;font-size:11.5px;font-weight:600;letter-spacing:.08em;color:rgba(255,255,255,.7);}
.sb-toggle{display:none;}
.sb-nav-head{display:none;}
.sb-nav{padding:6px 14px 12px;flex:1 1 auto;}
.sb-nav ul{display:flex;flex-direction:column;gap:6px;}
.sb-nav a{
  position:relative;display:flex;align-items:center;gap:12px;
  height:46px;padding:0 14px;border-radius:14px;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.72);
  transition:background .2s ease,color .2s ease;
}
.sb-nav a i{width:18px;font-size:16px;text-align:center;flex:0 0 18px;}
.sb-nav a span{white-space:nowrap;}
.sb-nav a:hover{background:rgba(255,255,255,.1);color:#fff;}
.sb-nav a.active{background:rgba(255,255,255,.16);color:#fff;font-weight:600;}
.sb-nav a.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;
  background:var(--c-secondary-light);
}
.sb-cta{
  margin:14px 14px 6px;padding:18px 16px;
  border-radius:18px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
}
.sb-cta p{font-size:14px;line-height:1.6;color:rgba(255,255,255,.86);margin-bottom:12px;}
.sb-foot{margin-top:auto;padding:18px 20px 24px;border-top:1px solid var(--c-border-dark);}
.sb-foot-title{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.55);margin-bottom:6px;}
.sb-foot-line{font-size:13px;line-height:1.8;color:rgba(255,255,255,.72);}
.sb-foot-copy{margin-top:6px;color:rgba(255,255,255,.5);}
.sb-overlay{
  position:fixed;inset:0;background:rgba(8,36,31,.55);z-index:94;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.sb-overlay.open{opacity:1;visibility:visible;}

/* ============ 倒计时条 ============ */
.countdown-bar{
  position:sticky;top:0;z-index:60;
  background:var(--grad-brand);color:#fff;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.cd-inner{
  max-width:1240px;margin:0 auto;min-height:64px;
  padding:8px clamp(16px,3vw,40px);
  display:flex;align-items:center;gap:18px;
}
.cd-left{display:flex;align-items:center;gap:12px;flex:1 1 auto;min-width:0;}
.cd-badge{
  flex:0 0 auto;padding:5px 12px;border-radius:999px;
  background:var(--grad-cta);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.04em;line-height:1.6;
  box-shadow:0 6px 16px rgba(217,118,47,.3);
}
.cd-note{font-size:14px;color:rgba(255,255,255,.84);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.cd-timer{display:flex;gap:10px;flex:0 0 auto;}
.cd-unit{
  width:56px;padding:5px 0;border-radius:10px;
  background:rgba(255,255,255,.12);text-align:center;
}
.cd-unit b{display:block;font-size:18px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;}
.cd-unit span{display:block;font-size:11px;line-height:1.5;color:rgba(255,255,255,.68);}
.cd-action{flex:1 1 auto;display:flex;justify-content:flex-end;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--grad-brand);color:#fff;
  padding:clamp(48px,6vw,86px) 0 clamp(56px,7vw,96px);
}
.hero-deco{
  position:absolute;inset:0;pointer-events:none;overflow:hidden;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:54px 54px;
}
.hero-deco::before{
  content:"";position:absolute;right:-140px;top:-180px;
  width:580px;height:580px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);
}
.hero-deco::after{
  content:"";position:absolute;right:-40px;top:-70px;
  width:390px;height:390px;border-radius:50%;
  border:1px solid rgba(255,255,255,.1);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:clamp(28px,4vw,52px);align-items:center;
}
.hero h1{
  color:#fff;font-size:clamp(32px,4.4vw,54px);font-weight:800;line-height:1.25;
  letter-spacing:.01em;margin:18px 0 0;
}
.hero-sub{
  margin-top:20px;max-width:600px;
  font-size:18px;line-height:1.8;color:rgba(255,255,255,.82);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.stat-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.stat-badge{
  display:flex;align-items:baseline;gap:8px;
  padding:11px 22px;border-radius:999px;
  border:2px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;
}
.stat-badge b{font-size:clamp(20px,2.4vw,26px);font-weight:800;color:var(--c-primary);letter-spacing:-.02em;}
.stat-badge span{font-size:13px;color:var(--c-text-sub);}
.hero-media{
  position:relative;border-radius:28px;overflow:hidden;
  aspect-ratio:5/4;border:1px solid rgba(255,255,255,.16);box-shadow:var(--sh-3);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,36,31,.08),rgba(8,36,31,.56));
}
.hero-media-badge{
  position:absolute;right:18px;bottom:18px;z-index:2;
  display:flex;align-items:baseline;gap:8px;
  padding:12px 18px;border-radius:16px;
  background:rgba(255,255,255,.95);box-shadow:var(--sh-2);
}
.hero-media-badge b{font-size:22px;font-weight:800;color:var(--c-primary);letter-spacing:-.02em;}
.hero-media-badge span{font-size:12.5px;color:var(--c-text-sub);}

/* ============ 板块通用 ============ */
.sec{padding:clamp(56px,6vw,96px) 0;scroll-margin-top:84px;}
.sec-alt{background:var(--grad-soft);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.sec-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(24px,3vw,38px);font-weight:700;letter-spacing:.01em;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;
  background:var(--grad-cta);
}
.sec-sub{margin-top:12px;font-size:15.5px;color:var(--c-text-sub);}
.sec-link{
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
  font-size:15px;font-weight:600;color:var(--c-primary);
}
.sec-link:hover{color:var(--c-secondary);}

/* ============ 卖点错落 2×2 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.feature-card{
  position:relative;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:24px;
  padding:28px;box-shadow:var(--sh-2);
  transition:transform .2s ease,box-shadow .2s ease;
}
.feature-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--grad-brand);opacity:.55;transition:opacity .2s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.feature-card:hover::before{opacity:1;}
.feature-card-lg{grid-row:span 2;padding:36px;display:flex;flex-direction:column;justify-content:center;}
.feature-card-row{display:flex;gap:18px;align-items:flex-start;}
.fc-icon{
  width:48px;height:48px;flex:0 0 48px;
  display:grid;place-items:center;border-radius:14px;
  background:rgba(14,58,52,.08);color:var(--c-primary);font-size:19px;
}
.feature-card-lg .fc-icon{width:64px;height:64px;flex:0 0 64px;border-radius:18px;font-size:26px;margin-bottom:20px;}
.feature-card h3{font-size:22px;font-weight:600;margin-bottom:10px;}
.feature-card-row h3{font-size:18px;margin-bottom:8px;}
.feature-card p{font-size:15px;line-height:1.8;color:var(--c-text-sub);}
.feature-card-lg p{font-size:16px;max-width:460px;}
.mini-stat{
  display:inline-flex;align-items:baseline;gap:6px;margin-top:20px;
  padding:6px 14px;border-radius:999px;
  background:rgba(47,191,159,.1);border:1px solid rgba(47,191,159,.28);
}
.mini-stat b{font-size:18px;font-weight:800;color:var(--c-primary);}
.mini-stat span{font-size:12px;color:var(--c-text-sub);}

/* ============ 亮点图墙 ============ */
.wall{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.wall-item{
  position:relative;overflow:hidden;border-radius:24px;
  border:1px solid var(--c-border);box-shadow:var(--sh-2);background:var(--c-surface-alt);
}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.wall-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,36,31,.06),rgba(8,36,31,.52));
  transition:background .3s ease;
}
.wall-item:hover img{transform:scale(1.05);}
.wall-item:hover::after{background:linear-gradient(180deg,rgba(8,36,31,.22),rgba(8,36,31,.68));}
.wall-item-lg{grid-column:span 6;grid-row:span 2;min-height:340px;}
.wall-item-sm{grid-column:span 3;aspect-ratio:4/3;}
.wall-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.93);color:var(--c-primary);
  font-size:13px;font-weight:600;line-height:1.6;
}
.wall-num{
  position:absolute;right:16px;top:16px;z-index:2;
  display:inline-flex;align-items:baseline;gap:5px;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--c-primary);
  font-size:13px;font-weight:700;line-height:1.6;
}
.wall-num b{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;}

/* ============ 报名 CTA ============ */
.cta-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,48px);
  background:var(--grad-brand);color:#fff;
  border-radius:28px;padding:clamp(28px,4vw,52px);
  box-shadow:var(--sh-3);
}
.cta-card::after{
  content:"";position:absolute;right:-120px;bottom:-160px;
  width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.12);pointer-events:none;
}
.cta-left{position:relative;z-index:2;}
.cta-left h2{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:700;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:rgba(255,255,255,.88);line-height:1.7;}
.cta-points i{color:var(--c-accent);font-size:15px;margin-top:6px;flex:0 0 auto;}
.form-card{
  position:relative;z-index:2;
  background:#fff;border-radius:20px;padding:28px;
  color:var(--c-text);box-shadow:var(--sh-3);
}
.form-card h3{font-size:20px;font-weight:600;margin-bottom:6px;}
.form-card .form-lead{font-size:14px;color:var(--c-text-sub);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-text-sub);margin-bottom:8px;}
.field input,.field select{
  width:100%;height:48px;padding:0 16px;
  border-radius:14px;border:1px solid var(--c-border);background:#fff;
  color:var(--c-text);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
  -webkit-appearance:none;appearance:none;
}
.field input::placeholder{color:var(--c-text-weak);}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--c-primary-mid);
  box-shadow:0 0 0 3px rgba(47,191,159,.22);
}
.select-wrap{position:relative;}
.select-wrap::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--c-text-weak);pointer-events:none;
}
.form-note{margin-top:14px;font-size:13px;line-height:1.7;color:var(--c-text-weak);text-align:center;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:18px;box-shadow:var(--sh-1);overflow:hidden;
  transition:background .2s ease;
}
.faq-item.open{background:#FBFAF7;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-text);line-height:1.6;
}
.faq-num{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(14,58,52,.08);color:var(--c-primary);
  font-size:13px;font-weight:700;
}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;margin-left:auto;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .24s ease,opacity .24s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 22px 22px 64px;font-size:15px;line-height:1.85;color:var(--c-text-sub);}

/* ============ 最新信息列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:20px;box-shadow:var(--sh-2);color:inherit;
  transition:transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);color:inherit;}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-alt);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-thumb-fallback{
  position:absolute;inset:0;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-size:34px;font-weight:800;
}
.post-body{display:flex;flex-direction:column;flex:1 1 auto;padding:20px 22px 22px;}
.post-cat{
  align-self:flex-start;padding:4px 12px;border-radius:999px;
  background:rgba(47,191,159,.12);color:var(--c-primary);
  font-size:13px;font-weight:600;line-height:1.6;
}
.post-title{
  margin-top:12px;font-size:17px;font-weight:600;line-height:1.5;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-excerpt{
  margin-top:10px;font-size:14px;line-height:1.75;color:var(--c-text-sub);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-text-weak);
}
.post-meta i{color:var(--c-primary-mid);transition:transform .2s ease;}
.post-card:hover .post-meta i{transform:translateX(3px);}
.empty-state{
  grid-column:1 / -1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  padding:56px 24px;text-align:center;
  background:var(--c-surface);border:1px dashed var(--c-border);border-radius:24px;
}
.empty-icon{
  width:72px;height:72px;border-radius:50%;
  border:2px solid rgba(47,191,159,.35);
  display:grid;place-items:center;font-size:26px;color:var(--c-primary);
}
.empty-state p{font-size:15px;color:var(--c-text-sub);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.76);margin-top:auto;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:clamp(48px,5vw,72px) 0 40px;
}
.site-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:14px;}
.footer-brand .sb-brand{margin-bottom:0;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:300px;}
.footer-links li{margin-bottom:2px;}
.footer-links a{display:inline-flex;align-items:center;min-height:40px;font-size:15px;color:rgba(255,255,255,.76);}
.footer-links a:hover{color:var(--c-secondary-light);}
.footer-info li{display:flex;gap:10px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.72);margin-bottom:6px;}
.footer-info i{color:var(--c-accent);font-size:13px;margin-top:7px;flex:0 0 auto;}
.footer-bottom{
  border-top:1px solid var(--c-border-dark);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--c-secondary-light);}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .main-wrap{max-width:1120px;}
}
@media (max-width:1199px){
  :root{--nav-w:84px;}
  .sb-head{padding:20px 12px 14px;display:flex;justify-content:center;}
  .sb-brand{gap:0;}
  .sb-brand-text{display:none;}
  .sb-brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:16px;}
  .sb-nav{padding:6px 10px;}
  .sb-nav a{
    flex-direction:column;justify-content:center;gap:4px;
    height:auto;min-height:58px;padding:8px 4px;
    font-size:10.5px;line-height:1.25;letter-spacing:0;text-align:center;
  }
  .sb-nav a span{white-space:normal;}
  .sb-nav a i{width:auto;font-size:17px;}
  .sb-nav a.active::before{top:9px;bottom:9px;height:auto;transform:none;}
  .sb-cta{display:none;}
  .sb-foot{padding:12px 8px 18px;text-align:center;}
  .sb-foot-title{font-size:10px;letter-spacing:0;}
  .sb-foot-line{font-size:11px;line-height:1.6;}
}
@media (max-width:991px){
  :root{--nav-w:0px;}
  .app-main{margin-left:0;}
  .app-sidebar{
    position:sticky;top:0;left:0;right:0;bottom:auto;
    width:100%;height:56px;flex-direction:row;align-items:center;
    padding:0 12px;overflow:visible;border-radius:0;z-index:90;
  }
  .sb-head{display:flex;align-items:center;justify-content:space-between;width:100%;padding:0;}
  .sb-brand-text{display:block;}
  .sb-brand-text strong{font-size:15px;}
  .sb-brand-text small{font-size:10px;}
  .sb-brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:15px;}
  .sb-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:12px;
    background:rgba(255,255,255,.13);color:#fff;font-size:17px;
  }
  .sb-nav{
    position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;
    background:var(--grad-brand);padding:20px 16px;
    transform:translateX(102%);transition:transform .28s ease;
    z-index:95;overflow-y:auto;
    border-left:1px solid rgba(255,255,255,.14);
  }
  .sb-nav.open{transform:translateX(0);}
  .sb-nav-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding:0 6px;}
  .sb-nav-head span{color:#fff;font-size:15px;font-weight:600;}
  .sb-close{
    width:36px;height:36px;border-radius:12px;
    background:rgba(255,255,255,.13);color:#fff;
    display:grid;place-items:center;font-size:15px;
  }
  .sb-nav a{
    flex-direction:row;justify-content:flex-start;gap:12px;
    height:46px;min-height:46px;padding:0 14px;font-size:15px;text-align:left;
  }
  .sb-nav a span{white-space:nowrap;}
  .sb-nav a i{width:18px;font-size:16px;}
  .sb-nav a.active::before{top:50%;bottom:auto;height:22px;transform:translateY(-50%);}
  .sb-cta{display:none;}
  .sb-foot{display:none;}
  .countdown-bar{position:static;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{aspect-ratio:16/10;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-card-lg{grid-row:auto;}
  .wall{grid-template-columns:repeat(2,1fr);}
  .wall-item-lg{grid-column:span 2;grid-row:auto;min-height:280px;}
  .wall-item-sm{grid-column:span 1;aspect-ratio:4/3;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .cta-card{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .cd-note{display:none;}
  .cd-unit{width:46px;}
  .cd-unit b{font-size:16px;}
  .cd-inner{gap:10px;min-height:60px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .form-card{padding:22px;}
  .faq-a p{padding-left:22px;}
}
@media (max-width:520px){
  .wall{grid-template-columns:1fr;}
  .wall-item-lg,.wall-item-sm{grid-column:span 1;min-height:220px;}
  .post-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cd-timer{gap:6px;}
  .cd-unit{width:42px;}
  .stat-badges{gap:10px;}
  .stat-badge{padding:9px 16px;}
  .hero-cta .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .feature-card:hover,.post-card:hover,.wall-item:hover img{transform:none;}
}

/* roulang page: article */
:root{
  --c-primary:#0E3A34;
  --c-primary-deep:#08241F;
  --c-primary-mid:#17705E;
  --c-secondary:#D98E3F;
  --c-secondary-light:#E0A458;
  --c-accent:#2FBF9F;
  --c-bg:#F6F2EA;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEAE0;
  --c-border:#E4DED2;
  --c-border-dark:rgba(255,255,255,.14);
  --c-text:#1B2422;
  --c-text-2:#5C6B66;
  --c-text-3:#8B978F;
  --c-danger:#C0492F;
  --grad-brand:linear-gradient(135deg,#08241F 0%,#0E3A34 38%,#17705E 72%,#2FBF9F 100%);
  --grad-cta:linear-gradient(135deg,#E0A458 0%,#D9762F 100%);
  --grad-soft:linear-gradient(180deg,#F6F2EA 0%,#EFEAE0 100%);
  --sh-1:0 4px 12px rgba(14,58,52,.06);
  --sh-2:0 10px 30px rgba(14,58,52,.08);
  --sh-3:0 18px 44px rgba(14,58,52,.14);
  --r-lg:28px;
  --r-md:24px;
  --r-sm:20px;
  --r-xs:14px;
  --shell:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  font-weight:400;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block;height:auto}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{
  outline:3px solid rgba(47,191,159,.55);
  outline-offset:3px;
  border-radius:8px;
}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 clamp(16px,3vw,40px)}
.section{padding:clamp(56px,7vw,96px) 0}
.section-alt{background:var(--grad-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{
  font-size:clamp(24px,3vw,38px);
  font-weight:700;
  line-height:1.3;
  position:relative;
  padding-left:18px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;width:5px;border-radius:3px;
  background:var(--grad-cta);
}
.section-head p{color:var(--c-text-2);font-size:15px;margin-top:8px}
.text-link{color:var(--c-primary-mid);font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px}
.text-link:hover{color:var(--c-secondary)}

/* ---------- 侧栏 App Shell ---------- */
.app-shell{
  position:fixed;
  top:0;left:0;
  width:var(--shell);
  height:100vh;
  background:var(--grad-brand);
  padding:26px 18px 22px;
  display:flex;
  flex-direction:column;
  gap:22px;
  overflow-y:auto;
  z-index:60;
  transition:transform .28s ease;
}
.app-shell::after{
  content:"";
  position:absolute;
  right:-70px;bottom:40px;
  width:190px;height:190px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
  pointer-events:none;
}
.sb-brand{display:flex;align-items:center;gap:12px;min-height:48px}
.sb-brand-mark{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:14px;
  background:rgba(255,255,255,.14);
  color:#fff;
  font-weight:800;
  font-size:19px;
  border:1px solid rgba(255,255,255,.22);
  flex:0 0 auto;
}
.sb-brand-text{display:flex;flex-direction:column;line-height:1.25}
.sb-brand-text strong{color:#fff;font-size:17px;letter-spacing:.01em}
.sb-brand-text small{color:rgba(255,255,255,.6);font-size:11.5px;letter-spacing:.1em}
.sb-nav{flex:0 0 auto}
.sb-nav-head{display:none}
.sb-nav ul{display:flex;flex-direction:column;gap:6px}
.sb-nav a{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:46px;
  padding:0 14px;
  border-radius:var(--r-xs);
  color:rgba(255,255,255,.72);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
}
.sb-nav a i{width:18px;text-align:center;font-size:16px;flex:0 0 auto}
.sb-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.sb-nav a.active{background:rgba(255,255,255,.16);color:#fff}
.sb-nav a.active::before{
  content:"";
  position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:3px;background:var(--grad-cta);
}
.shell-cta{
  background:rgba(255,255,255,.09);
  border:1px solid var(--c-border-dark);
  border-radius:18px;
  padding:18px 16px;
  color:#fff;
}
.shell-cta strong{display:block;font-size:14.5px;line-height:1.5;margin-bottom:12px}
.shell-cta .btn-primary{width:100%;justify-content:center;padding:11px 18px;font-size:14px}
.shell-foot{margin-top:auto;color:rgba(255,255,255,.62);font-size:12.5px;line-height:1.9}
.shell-foot a{color:rgba(255,255,255,.8)}
.shell-foot a:hover{color:var(--c-secondary-light)}
.shell-foot .sep-line{height:1px;background:var(--c-border-dark);margin:14px 0}
.sb-close{display:none}
.shell-mask{
  position:fixed;inset:0;
  background:rgba(8,36,31,.55);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
  z-index:58;
}
.shell-mask.is-visible{opacity:1;visibility:visible}

/* ---------- 移动顶栏 ---------- */
.mobile-bar{
  display:none;
  position:sticky;top:0;
  height:56px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:var(--c-primary-deep);
  color:#fff;
  z-index:55;
  border-bottom:1px solid var(--c-border-dark);
}
.mobile-bar .sb-brand-mark{width:34px;height:34px;border-radius:11px;font-size:16px}
.mobile-bar .sb-brand-text strong{font-size:15px}
.mobile-bar .sb-brand-text small{font-size:10.5px}
.sb-toggle{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  color:#fff;font-size:18px;
  border:1px solid var(--c-border-dark);
}
.sb-toggle:hover{background:rgba(255,255,255,.12)}

/* ---------- 主内容 ---------- */
.main-wrap{margin-left:var(--shell);min-height:100vh;display:flex;flex-direction:column}
main{flex:1 0 auto}

/* ---------- 按钮 / 标签 / 徽章 ---------- */
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;
  border-radius:999px;
  background:var(--grad-cta);
  color:#fff;
  font-weight:600;
  font-size:15px;
  box-shadow:0 10px 24px rgba(217,118,47,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(217,118,47,.36);filter:brightness(1.04)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;
  border-radius:999px;
  border:1.5px solid var(--c-primary);
  color:var(--c-primary);
  font-weight:600;
  font-size:15px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(14,58,52,.08);transform:translateY(-2px)}
.btn-soft{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;
  border-radius:999px;
  background:rgba(23,112,94,.12);
  color:var(--c-primary);
  font-weight:600;
  font-size:15px;
  transition:background .2s ease,transform .2s ease;
}
.btn-soft:hover{background:rgba(23,112,94,.2);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(23,112,94,.1);
  color:var(--c-primary);
  font-size:13px;
  font-weight:500;
  padding:4px 12px;
  border-radius:999px;
  letter-spacing:.01em;
}
.chip-solid{background:var(--c-primary);color:#fff}
.chip-outline{background:transparent;border:1px solid var(--c-border);color:var(--c-text-2)}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--c-surface-alt);
  color:var(--c-text-2);
  font-size:13px;
  padding:6px 13px;
  border-radius:999px;
}
.meta-chip i{color:var(--c-primary-mid);font-size:12.5px}
.data-badge{
  display:inline-flex;flex-direction:column;gap:2px;
  padding:14px 20px;
  border-radius:18px;
  background:#fff;
  border:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  font-variant-numeric:tabular-nums;
}
.data-badge b{font-size:clamp(20px,3vw,26px);font-weight:800;color:var(--c-primary);letter-spacing:-.02em;line-height:1.2}
.data-badge span{font-size:12.5px;color:var(--c-text-2);letter-spacing:.02em}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--c-surface);border-bottom:1px solid var(--c-border)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2);padding:14px 0;flex-wrap:wrap}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-secondary)}
.breadcrumb .sep{color:var(--c-text-3)}
.breadcrumb .current{color:var(--c-primary);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章 ---------- */
.article-section{padding:clamp(32px,4vw,56px) 0 clamp(56px,7vw,96px)}
.article-shell{max-width:920px;margin:0 auto}
.article-head{margin-bottom:28px}
.article-head h1{
  font-size:clamp(28px,3.6vw,44px);
  font-weight:800;
  line-height:1.35;
  letter-spacing:.01em;
  margin-top:16px;
  color:var(--c-text);
}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.feature-media{
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--c-surface-alt);
  box-shadow:var(--sh-2);
  margin-bottom:28px;
}
.feature-media img{width:100%;height:100%;object-fit:cover}
.article-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-2);
  padding:clamp(20px,4vw,56px);
}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--c-text)}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;
  font-size:22px;
  font-weight:700;
  line-height:1.4;
  margin:40px 0 16px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--grad-cta);
}
.article-body h3{font-size:18px;font-weight:600;margin:30px 0 12px;color:var(--c-primary)}
.article-body h4{font-size:16.5px;font-weight:600;margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul{list-style:none}
.article-body ul li{position:relative;padding-left:6px;margin-bottom:8px}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:8px}
.article-body blockquote{
  margin:24px 0;
  padding:18px 22px;
  background:rgba(23,112,94,.08);
  border-left:3px solid var(--c-secondary);
  border-radius:0 16px 16px 0;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption,.article-body .caption{
  font-size:13px;color:var(--c-text-3);text-align:center;margin-top:10px;line-height:1.7;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px;display:block;overflow-x:auto;
}
.article-body th,.article-body td{border:1px solid var(--c-border);padding:10px 14px;text-align:left}
.article-body th{background:var(--c-surface-alt);font-weight:600;color:var(--c-primary)}
.article-body tr:nth-child(even) td{background:#FBFAF7}
.article-body pre{
  background:var(--c-primary-deep);
  color:#E7F2EF;
  border-radius:16px;
  padding:18px 20px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.75;
  margin:24px 0;
}
.article-body code{
  font-family:"JetBrains Mono",Consolas,Menlo,monospace;
  font-size:.92em;
}
.article-body p code,.article-body li code{
  background:var(--c-surface-alt);
  color:var(--c-primary);
  padding:2px 7px;border-radius:6px;
}
.article-body a{color:var(--c-primary-mid);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-secondary)}
.article-body hr{border:0;height:1px;background:var(--c-border);margin:32px 0}

.article-foot{
  max-width:760px;margin:40px auto 0;
  padding-top:28px;
  border-top:1px solid var(--c-border);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.nav-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}
.nav-card{
  display:flex;flex-direction:column;gap:8px;
  padding:20px 22px;
  border:1px solid var(--c-border);
  border-radius:var(--r-sm);
  background:var(--c-surface);
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(23,112,94,.35)}
.nav-card small{font-size:12.5px;color:var(--c-text-3);letter-spacing:.04em}
.nav-card strong{font-size:16px;font-weight:600;line-height:1.5;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-card i{color:var(--c-secondary);font-size:13px}
.back-row{display:flex;justify-content:center}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  text-align:center;padding:56px 24px;
}
.empty-state .ring{
  width:74px;height:74px;border-radius:50%;
  border:2px dashed rgba(23,112,94,.4);
  display:grid;place-items:center;
  color:var(--c-primary-mid);font-size:26px;
}
.empty-state p{color:var(--c-text-2);font-size:15.5px;max-width:520px}

/* ---------- 相关推荐 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rec-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-sm);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.rec-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-alt)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.05)}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.rec-body h3{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-body p{font-size:15px;color:var(--c-text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--c-text-3)}
.rec-meta i{color:var(--c-secondary)}

/* ---------- CTA 条 ---------- */
.cta-strip{
  background:var(--grad-brand);
  border-radius:var(--r-lg);
  padding:clamp(24px,3.4vw,40px);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  flex-wrap:wrap;
  color:#fff;
  box-shadow:var(--sh-2);
  position:relative;
  overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;right:-40px;top:-60px;width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);
}
.cta-strip h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.4;margin-bottom:8px}
.cta-strip p{color:rgba(255,255,255,.75);font-size:14.5px;max-width:560px}
.cta-strip .btn-primary{position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#fff;margin-top:auto;padding:clamp(48px,6vw,76px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px}
.footer-brand p{color:rgba(255,255,255,.68);font-size:14.5px;line-height:1.9;margin-top:18px;max-width:340px}
.site-footer h4{font-size:15px;font-weight:600;margin-bottom:16px;color:#fff}
.footer-links li,.footer-info li{line-height:40px}
.footer-links a{color:rgba(255,255,255,.7);font-size:14.5px}
.footer-links a:hover{color:var(--c-secondary-light)}
.footer-info li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.7);font-size:14.5px}
.footer-info i{color:var(--c-accent);width:16px;text-align:center}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid var(--c-border-dark);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.8)}
.footer-bottom a:hover{color:var(--c-secondary-light)}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .container{max-width:1120px}
}
@media (max-width:1199px){
  :root{--shell:84px}
  .app-shell{padding:20px 12px;align-items:center}
  .sb-brand-text,.sb-nav a span,.shell-cta,.shell-foot .foot-text{display:none}
  .sb-nav a{justify-content:center;padding:0}
  .sb-brand{justify-content:center}
  .shell-foot{font-size:11px;text-align:center}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:991px){
  :root{--shell:0px}
  .mobile-bar{display:flex}
  .app-shell{
    width:300px;
    align-items:stretch;
    padding:20px 18px;
    transform:translateX(-105%);
    box-shadow:0 0 40px rgba(0,0,0,.3);
  }
  .app-shell.is-open{transform:translateX(0)}
  .sb-brand-text,.sb-nav a span,.shell-foot .foot-text{display:block}
  .sb-nav a{justify-content:flex-start;padding:0 14px}
  .shell-cta{display:block}
  .sb-close{
    display:grid;place-items:center;
    width:36px;height:36px;border-radius:10px;
    color:#fff;font-size:18px;
    background:rgba(255,255,255,.12);
  }
  .sb-nav-head{
    display:flex;align-items:center;justify-content:space-between;
    color:rgba(255,255,255,.6);font-size:13px;letter-spacing:.06em;
    margin-bottom:14px;padding:0 4px;
  }
  .main-wrap{margin-left:0}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  body{font-size:16px}
  .article-body{font-size:16.5px}
  .nav-pair{grid-template-columns:1fr}
  .rec-grid{grid-template-columns:1fr}
  .cta-strip{flex-direction:column;align-items:flex-start}
  .cta-strip .btn-primary{width:100%;justify-content:center}
  .breadcrumb .current{max-width:200px}
}
@media (max-width:519px){
  .article-card{padding:20px}
  .article-head h1{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .data-badge{padding:12px 16px}
  .btn-primary,.btn-ghost,.btn-soft{padding:13px 22px;font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E3A34;
  --c-primary-deep:#08241F;
  --c-primary-mid:#17705E;
  --c-secondary:#D98E3F;
  --c-secondary-2:#E0A458;
  --c-accent:#2FBF9F;
  --c-bg:#F6F2EA;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEAE0;
  --c-border:#E4DED2;
  --c-border-dark:rgba(255,255,255,.14);
  --c-text:#1B2422;
  --c-text-2:#5C6B66;
  --c-text-3:#8B978F;
  --c-danger:#C0492F;
  --grad-brand:linear-gradient(135deg,#08241F 0%,#0E3A34 38%,#17705E 72%,#2FBF9F 100%);
  --grad-cta:linear-gradient(135deg,#E0A458 0%,#D9762F 100%);
  --grad-soft:linear-gradient(180deg,#F6F2EA 0%,#EFEAE0 100%);
  --sh-1:0 4px 12px rgba(14,58,52,.06);
  --sh-2:0 10px 30px rgba(14,58,52,.08);
  --sh-3:0 18px 44px rgba(14,58,52,.14);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --sb-w:248px;
  --content-max:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-secondary);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,li,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:3px solid rgba(47,191,159,.6);outline-offset:2px;border-radius:10px;}
::selection{background:rgba(47,191,159,.28);}

/* ---------- 布局骨架 ---------- */
.main-wrap{
  margin-left:var(--sb-w);
  padding-inline:clamp(16px,3vw,40px);
}
.page-inner{
  max-width:var(--content-max);
  margin:0 auto;
}

/* ---------- 左侧 App Shell ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sb-w);
  z-index:60;
  background:var(--grad-brand);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-direction:column;
  gap:22px;
  padding:26px 16px 22px;
  overflow-y:auto;
  overscroll-behavior:contain;
}
.sidebar::-webkit-scrollbar{width:6px;}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:99px;}

.sb-top{padding:0 6px;}
.sb-brand{display:inline-flex;align-items:center;gap:12px;color:#fff;}
.sb-brand:hover{color:#fff;}
.sb-brand-mark{
  width:44px;height:44px;flex:0 0 44px;
  border-radius:14px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  font-size:20px;font-weight:800;color:#fff;
}
.sb-brand-text{display:flex;flex-direction:column;line-height:1.25;}
.sb-brand-text strong{font-size:18px;font-weight:800;letter-spacing:.01em;}
.sb-brand-text small{font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.66);}

.sb-nav-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 12px 8px;
  font-size:12px;letter-spacing:.16em;
  color:rgba(255,255,255,.48);
}
.sb-close{
  display:none;
  width:32px;height:32px;
  border:0;border-radius:10px;
  background:rgba(255,255,255,.12);
  color:#fff;font-size:16px;cursor:pointer;
  place-items:center;
}
.sb-nav ul{display:flex;flex-direction:column;gap:6px;}
.sb-nav a{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:46px;padding:0 14px;
  border-radius:var(--r-sm);
  color:rgba(255,255,255,.72);
  font-size:15px;
  transition:background .2s ease,color .2s ease;
}
.sb-nav a i{width:18px;font-size:16px;text-align:center;flex:0 0 18px;}
.sb-nav a:hover{background:rgba(255,255,255,.08);color:#fff;}
.sb-nav a.active{
  background:rgba(255,255,255,.14);
  color:#fff;font-weight:600;
}
.sb-nav a.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;
  width:3px;border-radius:99px;background:var(--c-secondary-2);
}

.sb-cta{
  margin-top:auto;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);
  padding:16px;
}
.sb-cta p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.82);margin-bottom:12px;}

.sb-foot{
  padding:4px 6px 0;
  border-top:1px solid var(--c-border-dark);
  padding-top:14px;
}
.sb-foot p{
  display:flex;align-items:center;gap:8px;
  font-size:12.5px;color:rgba(255,255,255,.6);
  line-height:2;
}
.sb-foot i{color:var(--c-accent);font-size:12px;}

/* ---------- 移动端顶栏与遮罩 ---------- */
.mobile-bar{
  display:none;
  position:sticky;top:0;z-index:50;
  height:56px;
  align-items:center;justify-content:space-between;
  gap:12px;
  padding:0 16px;
  background:var(--grad-brand);
  box-shadow:var(--sh-2);
}
.mobile-bar .sb-brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:16px;}
.mobile-bar .sb-brand-text strong{font-size:16px;}
.mobile-bar .sb-brand-text small{font-size:10.5px;}
.nav-toggle{
  width:44px;height:44px;
  border:1px solid rgba(255,255,255,.24);
  border-radius:12px;
  background:rgba(255,255,255,.1);
  color:#fff;font-size:17px;cursor:pointer;
  transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.2);}
.sb-mask{
  position:fixed;inset:0;z-index:55;
  background:rgba(8,36,31,.55);
  opacity:0;visibility:hidden;
  transition:opacity .26s ease,visibility .26s ease;
}
.sb-mask.show{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  border-radius:999px;
  border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--grad-cta);
  color:#fff;
  font-weight:700;
  box-shadow:0 10px 24px rgba(217,118,47,.3);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(217,118,47,.4);
}
.btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.5);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  color:#fff;
  transform:translateY(-2px);
}
.btn-soft{
  background:#E7F4EF;
  color:var(--c-primary);
}
.btn-soft:hover{background:#D8EDE5;color:var(--c-primary);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 标签与徽章 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:#E7F4EF;
  color:var(--c-primary);
  font-size:13px;
  letter-spacing:.02em;
  line-height:1.5;
}
.chip-dark{
  background:rgba(255,255,255,.14);
  color:#fff;
  border:1px solid rgba(255,255,255,.22);
}
.chip-muted{
  background:var(--c-surface-alt);
  color:var(--c-text-2);
}
.chip-accent{
  background:rgba(47,191,159,.14);
  color:#12695A;
}

.stat-badge{
  display:inline-flex;flex-direction:column;align-items:flex-start;gap:2px;
  padding:10px 20px;
  border-radius:999px;
  border:2px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;
  box-shadow:var(--sh-1);
}
.stat-badge b{
  font-size:clamp(20px,2vw,26px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  color:var(--c-primary);
}
.stat-badge span{font-size:12.5px;color:var(--c-text-2);line-height:1.4;}
.stat-badge-dark{
  background:linear-gradient(rgba(255,255,255,.12),rgba(255,255,255,.12)) padding-box,var(--grad-brand) border-box;
  box-shadow:none;
}
.stat-badge-dark b,.stat-badge-dark span{color:#fff;}

/* ---------- 卡片基础 ---------- */
.card{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad-brand);
  opacity:0;transition:opacity .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.card:hover::before{opacity:1;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 18px;
  font-size:14px;
  color:var(--c-text-3);
}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-secondary);}
.breadcrumb .sep{color:#C4CDC7;}
.breadcrumb .current{color:var(--c-primary);font-weight:600;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  border-radius:var(--r-xl);
  background:var(--grad-brand);
  color:#fff;
  overflow:hidden;
  padding:clamp(28px,3.6vw,52px);
  margin-bottom:36px;
  box-shadow:var(--sh-2);
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-90px;
  width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 0 0 44px rgba(255,255,255,.05),0 0 0 88px rgba(255,255,255,.03);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);
  gap:clamp(24px,3vw,44px);
  align-items:center;
}
.page-hero h1{
  margin:16px 0 14px;
  font-size:clamp(30px,3.6vw,46px);
  font-weight:800;
  line-height:1.28;
  letter-spacing:.01em;
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.86);
  max-width:56ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-figure{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  aspect-ratio:4/3;
  box-shadow:0 18px 40px rgba(4,20,17,.35);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}

/* ---------- 两栏布局 ---------- */
.cat-layout{
  display:grid;
  grid-template-columns:282px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.toc{
  position:sticky;top:24px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:20px;
}
.toc h3{
  font-size:14px;font-weight:700;
  letter-spacing:.1em;
  color:var(--c-text-3);
  margin-bottom:14px;
}
.toc ul{display:flex;flex-direction:column;gap:4px;}
.toc a{
  display:flex;align-items:center;gap:10px;
  min-height:44px;
  padding:8px 12px;
  border-radius:12px;
  font-size:14.5px;
  color:var(--c-text-2);
  transition:background .2s ease,color .2s ease;
}
.toc a span{
  font-size:12px;font-weight:700;
  color:var(--c-text-3);
  font-variant-numeric:tabular-nums;
}
.toc a:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.toc a.active{background:#E7F4EF;color:var(--c-primary);font-weight:600;}
.toc a.active span{color:var(--c-primary-mid);}
.toc .btn{margin-top:16px;}

.sec-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  line-height:1.35;
  margin-bottom:20px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;
  width:5px;border-radius:99px;background:var(--grad-brand);
}
.sec-sub{
  font-size:15px;color:var(--c-text-2);
  margin:-8px 0 22px;
}

/* ---------- 内容卡 ---------- */
.content-card{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:clamp(22px,2.4vw,32px);
  margin-bottom:24px;
  transition:box-shadow .2s ease,transform .2s ease;
  scroll-margin-top:24px;
}
.content-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.content-card h3{
  font-size:22px;font-weight:600;line-height:1.4;
  margin-bottom:14px;
}
.content-card p{
  font-size:16.5px;
  line-height:1.9;
  color:var(--c-text-2);
  margin-bottom:14px;
}
.content-card p:last-of-type{margin-bottom:0;}
.card-icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:#E7F4EF;color:var(--c-primary-mid);
  font-size:18px;margin-bottom:16px;
}
.card-figure{
  border-radius:18px;overflow:hidden;
  aspect-ratio:16/10;
  margin-bottom:20px;
  border:1px solid var(--c-border);
}
.card-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.content-card:hover .card-figure img{transform:scale(1.03);}

.point-list{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
.point-list li{
  position:relative;
  padding-left:28px;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text-2);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:14px;height:14px;border-radius:50%;
  background:#E7F4EF;
  box-shadow:inset 0 0 0 1.5px var(--c-accent);
}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px;}

/* ---------- 对照网格 ---------- */
.compare-block{margin:36px 0 24px;scroll-margin-top:24px;}
.compare-grid{display:flex;flex-wrap:wrap;}
.compare-grid .cell{padding:0 10px 20px;}
.compare-col{
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:24px;
}
.compare-col.highlight{
  border-color:rgba(47,191,159,.45);
  box-shadow:var(--sh-2);
  background:linear-gradient(180deg,#FFFFFF 0%,#F3FAF7 100%);
}
.compare-col h4{
  font-size:18px;font-weight:600;
  margin:14px 0 12px;
}
.compare-col ul{display:flex;flex-direction:column;gap:12px;}
.compare-col li{
  position:relative;
  padding-left:24px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--c-text-2);
}
.compare-col li::before{
  content:"";position:absolute;left:0;top:.68em;
  width:9px;height:9px;border-radius:3px;
  background:var(--c-surface-alt);
}
.compare-col.highlight li::before{background:var(--c-accent);}

/* ---------- 底部信息条 ---------- */
.update-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  background:var(--c-surface-alt);
  border:1px solid var(--c-border);
  border-radius:var(--r-md);
  padding:20px 24px;
  margin:8px 0 40px;
}
.update-strip p{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:15px;color:var(--c-text-2);
}
.update-strip a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--c-primary);
}
.update-strip a:hover{color:var(--c-secondary);}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,.75fr);
  gap:clamp(24px,3vw,40px);
  align-items:center;
  background:var(--grad-brand);
  color:#fff;
  border-radius:var(--r-xl);
  padding:clamp(26px,3.4vw,48px);
  overflow:hidden;
  margin-bottom:44px;
  box-shadow:var(--sh-2);
  scroll-margin-top:24px;
}
.cta-card::after{
  content:"";position:absolute;left:-70px;bottom:-120px;
  width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 0 0 38px rgba(255,255,255,.045),0 0 0 76px rgba(255,255,255,.03);
  pointer-events:none;
}
.cta-card h2{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;line-height:1.3;
  margin-bottom:16px;
}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.cta-points li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:16px;line-height:1.75;
  color:rgba(255,255,255,.9);
}
.cta-points i{color:var(--c-accent);font-size:14px;margin-top:.5em;}
.cta-actions{
  position:relative;z-index:2;
  display:flex;flex-direction:column;gap:12px;
}

/* ---------- FAQ ---------- */
.faq-block{margin-bottom:10px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:18px;
  box-shadow:var(--sh-1);
  margin-bottom:12px;
  overflow:hidden;
  transition:background .24s ease,box-shadow .2s ease;
}
.faq-item.open{background:#FBFAF7;box-shadow:var(--sh-2);}
.faq-q{
  display:flex;align-items:center;gap:14px;
  width:100%;
  padding:18px 22px;
  min-height:64px;
  background:none;border:0;
  text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-text);
}
.faq-q:hover{color:var(--c-primary);}
.faq-num{
  flex:0 0 28px;width:28px;height:28px;
  border-radius:50%;
  display:grid;place-items:center;
  background:#E7F4EF;color:var(--c-primary);
  font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.faq-icon{
  position:relative;flex:0 0 22px;
  width:22px;height:22px;margin-left:auto;
  border-radius:50%;background:#E7F4EF;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .24s ease,opacity .24s ease;
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a-inner{
  padding:0 22px 22px 64px;
  font-size:15px;line-height:1.85;color:var(--c-text-2);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.78);
  margin-top:56px;
  padding-top:56px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.35fr;
  gap:32px;
  padding-bottom:38px;
  max-width:var(--content-max);
  margin-inline:auto;
}
.footer-brand p{
  margin-top:16px;
  max-width:320px;
  font-size:14px;line-height:1.85;
  color:rgba(255,255,255,.62);
}
.site-footer h4{
  font-size:15px;font-weight:600;color:#fff;
  margin-bottom:14px;
}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{
  display:inline-flex;align-items:center;
  min-height:40px;
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.footer-links a:hover{color:var(--c-secondary-2);}
.footer-info{display:flex;flex-direction:column;gap:6px;}
.footer-info li{
  display:flex;align-items:center;gap:10px;
  min-height:34px;
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.footer-info i{color:var(--c-accent);font-size:13px;width:16px;text-align:center;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  border-top:1px solid var(--c-border-dark);
  padding:20px 0 28px;
  font-size:13px;
  color:rgba(255,255,255,.55);
  max-width:var(--content-max);
  margin-inline:auto;
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--c-secondary-2);}

/* ---------- 响应式 ---------- */
@media (min-width:1200px) and (max-width:1439px){
  :root{--content-max:1120px;}
}
@media (min-width:992px) and (max-width:1199px){
  :root{--sb-w:84px;--content-max:100%;}
  .sidebar{padding:20px 10px;gap:16px;align-items:stretch;}
  .sb-top{padding:0;display:flex;justify-content:center;}
  .sb-brand-text{display:none;}
  .sb-brand-mark{width:44px;height:44px;flex:0 0 44px;}
  .sb-nav-head{display:none;}
  .sb-nav a{
    flex-direction:column;
    height:auto;
    min-height:58px;
    gap:6px;
    padding:10px 4px;
    font-size:11px;
    text-align:center;
    line-height:1.3;
  }
  .sb-nav a span{font-size:11px;}
  .sb-nav a.active::before{top:8px;bottom:8px;}
  .sb-cta,.sb-foot{display:none;}
  .cat-layout{grid-template-columns:minmax(0,1fr);}
  .toc{position:static;}
  .cta-card{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:991px){
  .mobile-bar{display:flex;}
  .sidebar{
    width:300px;
    transform:translateX(-100%);
    transition:transform .26s ease;
    box-shadow:var(--sh-3);
    padding-top:22px;
  }
  .sidebar.open{transform:translateX(0);}
  .sb-close{display:grid;}
  .main-wrap{margin-left:0;padding-inline:clamp(16px,4vw,28px);}
  .hero-grid{grid-template-columns:minmax(0,1fr);}
  .hero-figure{order:-1;aspect-ratio:16/9;}
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .toc{position:static;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .footer-brand{grid-column:1 / -1;}
  .cta-card{grid-template-columns:minmax(0,1fr);}
  .sec-title{font-size:clamp(21px,4.4vw,26px);}
}
@media (max-width:767px){
  body{font-size:16.5px;}
  .page-hero{border-radius:22px;}
  .breadcrumb{padding:16px 0 14px;}
  .content-card h3{font-size:20px;}
  .content-card p{font-size:16px;}
  .compare-grid .cell{width:100%;padding:0 0 18px;}
  .compare-col{padding:20px;}
  .faq-a-inner{padding-left:22px;}
  .update-strip{padding:18px;}
  .cta-points li{font-size:15.5px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-brand{grid-column:auto;}
}
@media (max-width:479px){
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .stat-badge{padding:8px 16px;}
  .stat-badge b{font-size:20px;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{font-size:12.5px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition-duration:.01ms !important;
    animation-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .card:hover,.content-card:hover,.btn:hover{transform:none;}
  .content-card:hover .card-figure img{transform:none;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E3A34;
  --c-primary-deep:#08241F;
  --c-primary-mid:#17705E;
  --c-secondary:#D98E3F;
  --c-secondary-2:#E0A458;
  --c-accent:#2FBF9F;
  --c-bg:#F6F2EA;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEAE0;
  --c-border:#E4DED2;
  --c-border-dark:rgba(255,255,255,.14);
  --c-text:#1B2422;
  --c-text-2:#5C6B66;
  --c-text-3:#8B978F;
  --c-danger:#C0492F;
  --grad-brand:linear-gradient(135deg,#08241F 0%,#0E3A34 38%,#17705E 72%,#2FBF9F 100%);
  --grad-cta:linear-gradient(135deg,#E0A458 0%,#D9762F 100%);
  --grad-soft:linear-gradient(180deg,#F6F2EA 0%,#EFEAE0 100%);
  --sh-1:0 4px 12px rgba(14,58,52,.06);
  --sh-2:0 10px 30px rgba(14,58,52,.08);
  --sh-3:0 18px 44px rgba(14,58,52,.14);
  --sidebar-w:248px;
  --r-lg:28px;
  --r-md:24px;
  --r-sm:20px;
  --r-xs:14px;
  --r-pill:999px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--c-secondary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text)}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(47,191,159,.55);outline-offset:2px;border-radius:8px}
.num,.stat .num,.hero-badges .num{font-variant-numeric:tabular-nums}

.page-container{max-width:1240px;margin:0 auto;padding:0 clamp(16px,3vw,40px)}
.main-wrap{margin-left:var(--sidebar-w)}
.section{margin-top:clamp(56px,7vw,96px)}
.section-tight{margin-top:clamp(32px,4vw,56px)}

/* ============ 侧栏 App Shell ============ */
.app-sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--grad-brand);
  color:#fff;
  display:flex;
  flex-direction:column;
  gap:20px;
  padding:26px 18px 22px;
  overflow-y:auto;
  z-index:80;
}
.sb-brand{display:inline-flex;align-items:center;gap:12px;color:#fff}
.sb-brand:hover{color:#fff}
.sb-brand-mark{
  flex:0 0 auto;
  width:42px;height:42px;
  border-radius:14px;
  background:rgba(255,255,255,.14);
  border:1px solid var(--c-border-dark);
  display:grid;place-items:center;
  font-size:18px;font-weight:800;color:#fff;
}
.sb-brand-text{display:flex;flex-direction:column;line-height:1.25}
.sb-brand-text strong{font-size:18px;font-weight:800;color:#fff;letter-spacing:.01em}
.sb-brand-text small{font-size:11px;letter-spacing:.1em;color:rgba(255,255,255,.62)}

.sb-nav-head{display:none;align-items:center;justify-content:space-between;font-size:12.5px;letter-spacing:.06em;color:rgba(255,255,255,.6)}
.sb-close{
  width:36px;height:36px;border-radius:12px;
  border:1px solid var(--c-border-dark);
  background:rgba(255,255,255,.1);
  color:#fff;display:grid;place-items:center;
}
.sb-close:hover{background:rgba(255,255,255,.2)}

.sb-nav ul{display:flex;flex-direction:column;gap:6px}
.sb-nav a{
  position:relative;
  display:flex;align-items:center;gap:12px;
  min-height:46px;padding:0 14px;
  border-radius:var(--r-xs);
  color:rgba(255,255,255,.72);
  font-size:15px;font-weight:500;
}
.sb-nav a i{width:18px;text-align:center;font-size:16px}
.sb-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.sb-nav a.active{background:rgba(255,255,255,.16);color:#fff}
.sb-nav a.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--c-secondary-2);
}

.sb-cta{
  margin-top:auto;
  background:rgba(255,255,255,.1);
  border:1px solid var(--c-border-dark);
  border-radius:18px;
  padding:16px;
}
.sb-cta p{font-size:14px;color:rgba(255,255,255,.86);line-height:1.6;margin-bottom:12px}
.sb-cta .btn{width:100%}

.sb-foot{
  border-top:1px solid var(--c-border-dark);
  padding-top:14px;
  display:flex;flex-direction:column;gap:6px;
  font-size:12px;color:rgba(255,255,255,.56);
}

/* ============ 移动端顶栏 / 遮罩 ============ */
.topbar{
  display:none;
  position:sticky;top:0;z-index:70;
  height:56px;align-items:center;justify-content:space-between;
  padding:0 14px;
  background:var(--grad-brand);
  color:#fff;
  box-shadow:var(--sh-2);
}
.topbar .sb-brand-mark{width:34px;height:34px;border-radius:11px;font-size:15px}
.topbar .sb-brand-text strong{font-size:16px}
.topbar .sb-brand-text small{font-size:10px}
.hamburger{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-border-dark);
  background:rgba(255,255,255,.12);color:#fff;
  display:grid;place-items:center;font-size:17px;
}
.hamburger:hover{background:rgba(255,255,255,.22)}
.sb-mask{
  position:fixed;inset:0;z-index:75;
  background:rgba(8,36,31,.58);
  opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
}
.sb-mask.show{opacity:1;visibility:visible}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;min-height:48px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15.5px;font-weight:600;line-height:1.2;
  text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 24px rgba(217,142,63,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(217,142,63,.36)}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-ghost:hover{background:rgba(14,58,52,.08);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost-light{border-color:rgba(255,255,255,.62);color:#fff;background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-soft{background:rgba(14,58,52,.08);color:var(--c-primary);border-color:transparent}
.btn-soft:hover{background:rgba(14,58,52,.16);color:var(--c-primary);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px;min-height:42px}
.btn-block{width:100%}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(14,58,52,.07);
  color:var(--c-primary);
  font-size:13px;font-weight:500;letter-spacing:.02em;
  padding:5px 12px;border-radius:var(--r-pill);
}
.tag-dark{background:rgba(255,255,255,.14);color:#fff;border:1px solid var(--c-border-dark)}
.tag-accent{background:rgba(47,191,159,.14);color:#14604f}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--c-surface-alt);border-bottom:1px solid var(--c-border)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--c-text-3)}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-secondary)}
.crumb .sep{color:var(--c-text-3)}
.crumb .current{color:var(--c-primary);font-weight:600}

/* ============ 页头 ============ */
.page-hero{margin-top:clamp(24px,3vw,36px)}
.hero-shell{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--grad-brand);
  color:#fff;
  padding:clamp(24px,3.4vw,48px);
  display:grid;grid-template-columns:1.28fr .92fr;gap:clamp(24px,3vw,40px);align-items:center;
}
.hero-shell::before{
  content:"";position:absolute;right:-140px;top:-160px;
  width:440px;height:440px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);
}
.hero-shell::after{
  content:"";position:absolute;right:-40px;top:-60px;
  width:240px;height:240px;border-radius:50%;
  border:1px solid rgba(255,255,255,.1);
}
.hero-copy{position:relative;z-index:2}
.hero-copy h1{
  margin:18px 0 0;
  color:#fff;
  font-size:clamp(32px,4.4vw,52px);
  font-weight:800;line-height:1.25;letter-spacing:.01em;
}
.hero-lead{margin-top:16px;max-width:56ch;font-size:17px;line-height:1.85;color:rgba(255,255,255,.84)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-badges .badge{
  display:inline-flex;align-items:baseline;gap:8px;
  background:rgba(255,255,255,.12);
  border:1px solid var(--c-border-dark);
  border-radius:var(--r-pill);
  padding:10px 18px;
}
.hero-badges .num{font-size:24px;font-weight:800;color:#fff;letter-spacing:-.02em}
.hero-badges .lbl{font-size:12.5px;color:rgba(255,255,255,.78)}
.hero-media{
  position:relative;z-index:2;
  border-radius:22px;overflow:hidden;
  aspect-ratio:4/3;
  border:1px solid var(--c-border-dark);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,36,31,.16) 0%,rgba(8,36,31,.62) 100%);
}
.hero-media-badge{
  position:absolute;right:14px;bottom:14px;z-index:3;
  background:rgba(8,36,31,.82);
  border:1px solid var(--c-border-dark);
  border-radius:var(--r-pill);
  padding:9px 15px;
  font-size:12.5px;color:#fff;
  display:flex;align-items:center;gap:8px;
}
.hero-media-badge i{color:var(--c-accent)}

/* ============ 板块标题 ============ */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px}
.h2-bar{position:relative;padding-left:16px;font-size:clamp(24px,3vw,38px);font-weight:700;line-height:1.3}
.h2-bar::before{
  content:"";position:absolute;left:0;top:.14em;bottom:.14em;width:4px;
  border-radius:4px;background:var(--grad-cta);
}
.section-desc{font-size:15.5px;color:var(--c-text-2);max-width:56ch;margin-top:10px}
.link-more{font-size:15px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:8px}
.link-more:hover{color:var(--c-secondary);text-decoration:underline}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step-card{
  position:relative;overflow:hidden;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-sm);
  padding:22px 20px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-brand);opacity:.8}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.step-num{
  width:36px;height:36px;border-radius:12px;
  background:rgba(14,58,52,.07);
  border:1px solid rgba(14,58,52,.08);
  color:var(--c-primary);
  display:grid;place-items:center;
  font-size:14.5px;font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step-card h3{font-size:17px;font-weight:600}
.step-card p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--c-text-2)}

/* ============ 双列大卡 ============ */
.duo-grid.grid-margin-x{margin-left:-12px;margin-right:-12px}
.duo-grid.grid-margin-x > .cell{margin-left:0;margin-right:0;padding-left:12px;padding-right:12px;margin-bottom:24px}
.duo-card{
  position:relative;overflow:hidden;
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  padding:clamp(22px,2.4vw,32px);
  box-shadow:var(--sh-2);
  transition:transform .2s ease,box-shadow .2s ease;
}
.duo-card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-brand)}
.duo-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.duo-icon{
  width:54px;height:54px;border-radius:18px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:22px;
  margin-bottom:18px;
}
.duo-card h3{font-size:22px;font-weight:600;line-height:1.4}
.duo-card > p{margin-top:12px;font-size:15.5px;line-height:1.85;color:var(--c-text-2)}
.points{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.points li{display:flex;gap:10px;font-size:15px;line-height:1.75;color:var(--c-text-2)}
.points li i{color:var(--c-accent);font-size:13px;margin-top:7px;flex:0 0 auto}
.duo-figure{margin-top:22px;border-radius:18px;overflow:hidden;aspect-ratio:16/9;border:1px solid var(--c-border)}
.duo-figure img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.duo-card:hover .duo-figure img{transform:scale(1.04)}

/* ============ 数据徽章条 ============ */
.stats-bar{
  background:var(--grad-soft);
  border:1px solid var(--c-border);
  border-radius:var(--r-md);
  padding:clamp(20px,2.6vw,32px);
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
}
.stat{padding:0 16px;border-right:1px solid var(--c-border)}
.stat:last-child{border-right:0}
.stat .num{display:block;font-size:clamp(28px,2.6vw,42px);font-weight:800;color:var(--c-primary);letter-spacing:-.02em;line-height:1.1}
.stat .lbl{display:block;margin-top:8px;font-size:13.5px;color:var(--c-text-2)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:18px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:background-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{background:#FBFAF7;box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 20px;min-height:56px;
  background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-text);
}
.faq-q .idx{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:rgba(14,58,52,.08);color:var(--c-primary);
  display:grid;place-items:center;font-size:12.5px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.faq-q .q-txt{flex:1;line-height:1.6}
.faq-sign{position:relative;flex:0 0 auto;width:20px;height:20px}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .24s ease;
}
.faq-sign::before{left:3px;right:3px;top:9px;height:2px}
.faq-sign::after{top:3px;bottom:3px;left:9px;width:2px}
.faq-item.open .faq-sign::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 20px 20px 62px;font-size:15px;line-height:1.85;color:var(--c-text-2)}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--grad-brand);
  color:#fff;
  padding:clamp(24px,3vw,44px);
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,3vw,40px);
  align-items:start;
}
.cta-card::before{
  content:"";position:absolute;left:-120px;bottom:-160px;
  width:380px;height:380px;border-radius:50%;
  border:1px solid rgba(255,255,255,.12);
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700}
.cta-copy > p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.84);max-width:48ch}
.cta-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;gap:10px;font-size:15.5px;color:rgba(255,255,255,.88)}
.cta-list li i{color:var(--c-accent);margin-top:7px;font-size:13px}
.form-card{
  position:relative;z-index:2;
  background:#fff;color:var(--c-text);
  border-radius:var(--r-sm);
  padding:28px;
  box-shadow:var(--sh-3);
}
.form-card h3{font-size:18px;font-weight:600;margin-bottom:6px}
.form-card .form-sub{font-size:13.5px;color:var(--c-text-3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-text-2);margin-bottom:8px}
.field input,.field select{
  width:100%;height:48px;
  border-radius:var(--r-xs);
  border:1px solid var(--c-border);
  background:#FBFAF7;
  padding:0 14px;
  font-size:15px;color:var(--c-text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-text-2) 50%),linear-gradient(135deg,var(--c-text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,191,159,.28);background:#fff}
.form-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--c-text-3)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:clamp(56px,7vw,96px);
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.78);
  padding:clamp(40px,5vw,64px) 0 0;
}
.site-footer .main-wrap{padding:0 clamp(16px,3vw,40px)}
.footer-grid{
  max-width:1240px;margin:0 auto;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:36px;border-bottom:1px solid var(--c-border-dark);
}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-brand p{margin-top:16px;max-width:36ch;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.footer-links a{display:block;padding:10px 0;min-height:40px;font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--c-secondary-2)}
.footer-info li{display:flex;gap:10px;padding:8px 0;font-size:14px;color:rgba(255,255,255,.7)}
.footer-info i{color:var(--c-accent);margin-top:5px;font-size:13px}
.footer-bottom{
  max-width:1240px;margin:0 auto;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 28px;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.74)}
.footer-bottom a:hover{color:var(--c-secondary-2)}

/* ============ 断点 ============ */
@media (max-width:1199px) and (min-width:992px){
  .main-wrap{margin-left:84px}
  .app-sidebar{width:84px;padding:20px 12px;align-items:center;gap:16px}
  .sb-brand-text{display:none}
  .sb-brand-mark{width:40px;height:40px}
  .sb-nav a{flex-direction:column;gap:4px;justify-content:center;padding:10px 4px;min-height:0;font-size:10.5px;text-align:center;line-height:1.2}
  .sb-nav a i{font-size:17px}
  .sb-cta{display:none}
  .sb-foot{font-size:10px;text-align:center;align-items:center}
  .sb-nav-head{display:none}
}

@media (max-width:991px){
  .main-wrap{margin-left:0}
  .topbar{display:flex}
  .app-sidebar{
    width:300px;
    transform:translateX(-100%);
    transition:transform .28s ease;
    padding:16px 18px 22px;
  }
  .app-sidebar.open{transform:translateX(0);box-shadow:0 0 60px rgba(8,36,31,.4)}
  .sb-nav-head{display:flex;margin-bottom:6px}
  .sb-brand-text{display:flex}
  .hero-shell{grid-template-columns:1fr}
  .hero-media{order:2}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{padding:0 8px}
  .stat:nth-child(2n){border-right:0}
  .cta-card{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:767px){
  body{font-size:16.5px}
  .section{margin-top:56px}
  .faq-a-inner{padding:0 18px 18px 18px}
  .crumb{font-size:13.5px}
}

@media (max-width:560px){
  .steps{grid-template-columns:1fr}
  .stats-bar{grid-template-columns:1fr}
  .stat{padding:0;border-right:0;border-bottom:1px solid var(--c-border);padding-bottom:14px}
  .stat:last-child{border-bottom:0;padding-bottom:0}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .hero-badges .badge{padding:8px 14px}
  .hero-badges .num{font-size:20px}
  .duo-card{padding:20px}
  .form-card{padding:20px}
  .footer-bottom{flex-direction:column}
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
  .step-card:hover,.duo-card:hover,.btn:hover{transform:none}
}