/* roulang page: index */
:root{
  --brand-50:#EEF4FF; --brand-100:#DCE8FF; --brand-500:#2F6BE4; --brand-600:#1F55C8; --brand-700:#17419E;
  --amber-100:#FFF3DF; --amber-500:#F2A63B; --amber-700:#9A6212;
  --mint-100:#E4F7F0; --mint-500:#16A37B;
  --coral-500:#F26A5A;
  --bg:#F5F8FD; --card:#FFFFFF; --line:#E4EBF5;
  --ink:#10203A; --ink-2:#4C5E78; --ink-3:#8797AC;
  --r-card:16px; --r-lg:20px; --r-input:12px;
  --shadow-sm:0 1px 2px rgba(16,32,58,.05);
  --shadow-md:0 10px 30px -12px rgba(16,32,58,.15);
  --shadow-lg:0 24px 48px -24px rgba(16,32,58,.22);
  --t:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Inter",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;
  padding-bottom:calc(72px + env(safe-area-inset-bottom));
}
@media (min-width:1024px){ body{padding-bottom:0;} }
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 18px;}
@media (min-width:768px){ .shell{padding:0 24px;} }
@media (min-width:1024px){ .shell{padding:0 32px;} }

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px;}
@media (min-width:1024px){ .nav-inner{height:72px;} }
.logo{display:flex;align-items:center;gap:10px;min-height:44px;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand-500);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  box-shadow:var(--shadow-sm);flex:none;
}
.logo-text{font-size:16px;font-weight:800;letter-spacing:.2px;white-space:nowrap;}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--ink-3);letter-spacing:0;line-height:1.2;}
@media (max-width:359px){ .logo-text{font-size:14px;} }
.nav-links{display:none;align-items:center;gap:4px;}
@media (min-width:1024px){ .nav-links{display:flex;} }
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:8px;
  font-size:15px;color:var(--ink-2);transition:background var(--t),color var(--t);
}
.nav-link:hover{background:var(--brand-50);color:var(--brand-600);}
.nav-link.is-active{color:var(--brand-600);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-14px;height:3px;border-radius:3px;background:var(--brand-500);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-cta{display:none;}
@media (min-width:1024px){ .nav-cta{display:inline-flex;} }
.burger{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);
}
@media (min-width:1024px){ .burger{display:none;} }
.burger:hover{border-color:var(--brand-100);color:var(--brand-600);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,32,58,.42);opacity:0;pointer-events:none;
  transition:opacity var(--t);z-index:80;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:272px;max-width:82vw;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform 220ms cubic-bezier(.2,.7,.3,1);
  padding:20px 20px calc(24px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:6px;
  box-shadow:var(--shadow-lg);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 12px;border-radius:12px;
  color:var(--ink-2);font-size:15px;transition:background var(--t),color var(--t);
}
.drawer-link:hover{background:var(--brand-50);color:var(--brand-600);}
.drawer-link.is-active{background:var(--brand-50);color:var(--brand-600);font-weight:600;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:16px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform var(--t),background var(--t),box-shadow var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--brand-500);border-radius:12px;}
.btn-ghost:hover{background:var(--brand-50);}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}
.btn-block{width:100%;}
.btn-muted{background:#fff;color:var(--ink-3);border-color:var(--line);border-radius:12px;}
.btn-muted:hover{border-color:var(--brand-100);color:var(--brand-600);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-size:15px;font-weight:600;}
.link-arrow span{transition:transform var(--t);}
.link-arrow:hover span{transform:translateX(2px);}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;}
.badge-brand{background:var(--brand-50);color:var(--brand-600);}
.badge-amber{background:var(--amber-100);color:var(--amber-700);}
.badge-mint{background:var(--mint-100);color:var(--mint-500);}
.badge-coral{background:#FDECE9;color:#C2402F;}
.badge-grey{background:#F1F5FB;color:var(--ink-3);}

/* ---------- 板块 ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){ .section{padding:96px 0;} }
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:28px;}
.section-title{font-size:24px;}
@media (min-width:1024px){ .section-title{font-size:31px;} }
.section-sub{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:640px;}
.eyebrow{font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:1.5px;margin-bottom:10px;}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(47,107,228,.28);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#EAF2FF 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(47,107,228,.14) 1px,transparent 1px);
  background-size:22px 22px;
}
.hero-inner{position:relative;z-index:2;padding:40px 0 52px;}
@media (min-width:1024px){ .hero-inner{padding:72px 0 88px;} }
.hero-grid{display:grid;gap:28px;}
@media (min-width:1024px){ .hero-grid{grid-template-columns:55fr 45fr;gap:40px;align-items:center;} }
.hero-media{order:-1;}
@media (min-width:1024px){ .hero-media{order:0;} }
.hero-media-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);
  aspect-ratio:16/9;
}
@media (max-width:1023px){ .hero-media-frame{aspect-ratio:auto;height:200px;} }
.hero-media-frame img{width:100%;height:100%;object-fit:cover;}
.hero-flag{
  position:absolute;right:14px;bottom:14px;background:var(--amber-500);color:#3D2600;
  font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;box-shadow:var(--shadow-sm);
}
.hero h1{font-size:30px;}
@media (min-width:1024px){ .hero h1{font-size:44px;} }
.hero-lead{margin-top:16px;font-size:17px;color:var(--ink-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
@media (max-width:519px){ .hero-actions .btn{width:100%;} }
.hero-points{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:24px;}
.hero-point{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-2);}
.hero-point svg{color:var(--brand-500);flex:none;}

/* ---------- 数据条 ---------- */
.statband{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);}
@media (min-width:1024px){ .stat-grid{grid-template-columns:repeat(4,1fr);} }
.stat-item{padding:22px 8px;text-align:center;position:relative;}
@media (min-width:1024px){ .stat-item{padding:30px 12px;border-right:1px solid var(--line);} .stat-item:last-child{border-right:none;} }
@media (max-width:1023px){
  .stat-item:nth-child(odd){border-right:1px solid var(--line);}
  .stat-item:nth-child(-n+2){border-bottom:1px solid var(--line);}
}
.stat-value{font-size:28px;font-weight:800;color:var(--brand-600);line-height:1.2;}
@media (min-width:1024px){ .stat-value{font-size:33px;} }
.stat-label{font-size:13px;color:var(--ink-3);margin-top:6px;}

/* ---------- 玩法步骤 ---------- */
.steps{position:relative;display:grid;gap:20px;}
@media (min-width:1024px){ .steps{grid-template-columns:repeat(4,1fr);gap:24px;} }
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-sm);}
@media (max-width:1023px){
  .steps::before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:1px;background:var(--line);}
  .step{margin-left:0;padding-left:56px;}
}
@media (min-width:1024px){
  .steps::before{content:"";position:absolute;left:6%;right:6%;top:44px;height:1px;
    background-image:linear-gradient(90deg,rgba(47,107,228,.35) 0 6px,transparent 6px 14px);
    background-size:14px 1px;background-repeat:repeat-x;}
}
.step-num{
  width:36px;height:36px;border-radius:999px;background:var(--brand-50);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  position:relative;z-index:2;margin-bottom:14px;
}
@media (max-width:1023px){ .step-num{position:absolute;left:14px;top:22px;margin-bottom:0;background:#fff;border:1px solid var(--brand-100);} }
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75;}

/* ---------- 奖励 Bento ---------- */
.bento{display:grid;gap:16px;}
@media (min-width:768px){ .bento{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .bento{grid-template-columns:repeat(4,1fr);gap:20px;} }
.reward-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;
  box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t),border-color var(--t);display:flex;flex-direction:column;}
.reward-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(47,107,228,.28);}
.reward-feature{grid-column:1/-1;display:grid;gap:0;padding:0;overflow:hidden;}
@media (min-width:768px){ .reward-feature{grid-column:1/-1;grid-template-columns:1fr 1fr;} }
@media (min-width:1024px){ .reward-feature{grid-column:span 2;grid-row:span 2;} }
.reward-cover{width:100%;height:100%;min-height:180px;object-fit:cover;}
@media (min-width:768px){ .reward-cover{height:100%;} }
.reward-body{padding:22px;display:flex;flex-direction:column;gap:12px;}
.reward-icon{width:36px;height:36px;border-radius:10px;background:var(--amber-100);color:var(--amber-700);
  display:flex;align-items:center;justify-content:center;flex:none;}
.reward-card h3{font-size:18px;}
.reward-card .cond{font-size:13px;color:var(--ink-3);}
.progress{height:9px;border-radius:999px;background:#E8EEF9;overflow:hidden;margin-top:auto;}
.progress > i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-500),var(--amber-500));}
.progress-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--ink-3);margin-top:8px;}

/* ---------- 里程碑 ---------- */
.milestone-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:6px;position:relative;}
.milestone-wrap::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:40px;pointer-events:none;
  background:linear-gradient(90deg,rgba(245,248,253,0),var(--bg));
}
@media (min-width:1024px){ .milestone-wrap::after{display:none;} }
.milestone{display:flex;gap:0;min-width:760px;position:relative;margin-top:26px;}
@media (min-width:1024px){ .milestone{min-width:0;} }
.ms-item{flex:1;position:relative;padding-right:18px;}
.ms-item:last-child{padding-right:0;}
.ms-line{position:absolute;left:34px;right:0;top:20px;height:2px;}
.ms-line.solid{background:var(--mint-500);opacity:.45;}
.ms-line.dash{background-image:linear-gradient(90deg,var(--line) 0 6px,transparent 6px 12px);background-size:12px 2px;background-repeat:repeat-x;}
.ms-dot{width:20px;height:20px;border-radius:999px;display:flex;align-items:center;justify-content:center;position:relative;z-index:2;}
.ms-dot.done{background:var(--mint-500);color:#fff;}
.ms-dot.now{background:var(--brand-500);color:#fff;}
.ms-dot.now::after{content:"";position:absolute;inset:-6px;border-radius:999px;border:2px solid rgba(47,107,228,.35);animation:pulse 1.9s ease-out infinite;}
.ms-dot.todo{background:#fff;border:2px solid var(--line);}
@keyframes pulse{0%{opacity:.9;transform:scale(.75);}70%{opacity:0;transform:scale(1.35);}100%{opacity:0;transform:scale(1.35);}}
@media (prefers-reduced-motion:reduce){ .ms-dot.now::after{animation:none;} }
.ms-name{font-size:15px;font-weight:600;margin-top:14px;}
.ms-state{font-size:12px;color:var(--ink-3);margin-top:6px;}

/* ---------- 最新信息 ---------- */
.news-list{display:grid;gap:14px;}
@media (min-width:768px){ .news-list{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1280px){ .news-list{grid-template-columns:repeat(3,1fr);} }
.news-item{
  display:flex;flex-direction:column;gap:10px;padding:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-sm);min-height:72px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t),background var(--t);
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(47,107,228,.28);background:#F7FAFF;}
.news-item h3{font-size:17px;line-height:1.5;transition:color var(--t);}
.news-item:hover h3{color:var(--brand-600);}
.news-item .excerpt{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:6px;}
.news-meta time{font-size:13px;color:var(--ink-3);}
.news-arrow{color:var(--ink-3);transition:transform var(--t),color var(--t);}
.news-item:hover .news-arrow{transform:translateX(3px);color:var(--brand-600);}
.news-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:48px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);text-align:center;
}
.news-empty p{font-size:15px;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t);}
.faq-item.is-open{border-color:rgba(47,107,228,.3);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q:focus-visible{outline:2px solid var(--brand-500);outline-offset:-2px;}
.faq-sign{
  width:26px;height:26px;border-radius:999px;background:var(--brand-50);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;flex:none;
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item.is-open .faq-sign{transform:rotate(180deg);background:var(--brand-500);color:#fff;}
.faq-a{display:none;padding:0 20px 20px;}
.faq-a-inner{padding-top:14px;border-top:1px solid var(--line);font-size:15px;color:var(--ink-2);line-height:1.85;}
.faq-item.is-open .faq-a{display:block;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--brand-50) 0%,#FFFFFF 78%);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 22px;
  display:flex;flex-direction:column;gap:20px;
}
@media (min-width:1024px){ .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:40px 44px;} }
.cta-band h2{font-size:22px;}
@media (min-width:1024px){ .cta-band h2{font-size:26px;} }
.cta-band p{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none;}
@media (max-width:519px){ .cta-actions .btn{width:100%;} }

/* ---------- 页脚 ---------- */
.site-footer{background:#10203A;color:#C6D2E4;margin-top:56px;padding:44px 0 0;}
@media (min-width:1024px){ .site-footer{margin-top:88px;padding-top:56px;} }
.footer-grid{display:grid;gap:32px;}
@media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;} }
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text small{color:#8797AC;}
.footer-brand p{font-size:13px;line-height:1.9;color:#9FB0C8;margin-top:14px;max-width:320px;}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:13px;color:#C6D2E4;transition:color var(--t);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-col li{font-size:13px;color:#9FB0C8;line-height:1.8;}
.footer-bottom{
  margin-top:36px;border-top:1px solid rgba(198,210,228,.16);padding:18px 0 calc(20px + env(safe-area-inset-bottom));
  display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between;
  font-size:12px;color:#8797AC;
}
@media (min-width:1024px){ .footer-bottom{padding-bottom:22px;} }

/* ---------- 移动端底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 18px -12px rgba(16,32,58,.28);
  display:grid;grid-template-columns:repeat(3,1fr);
  padding-bottom:env(safe-area-inset-bottom);
}
@media (min-width:1024px){ .tabbar{display:none;} }
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:62px;font-size:11px;color:var(--ink-3);transition:color var(--t);
}
.tab-item svg{width:22px;height:22px;}
.tab-item.is-active{color:var(--brand-600);font-weight:600;}
.tab-item.is-active::before{content:"";position:absolute;top:0;width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--brand-500);}

/* 进入动画 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 420ms ease,transform 420ms cubic-bezier(.2,.7,.3,1);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){ .reveal{opacity:1;transform:none;transition:none;} html{scroll-behavior:auto;} }
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* roulang page: article */
:root{
  --brand-50:#EEF4FF; --brand-100:#DCE8FF; --brand-500:#2F6BE4; --brand-600:#1F55C8; --brand-700:#17419E;
  --amber-100:#FFF3DF; --amber-500:#F2A63B;
  --mint-500:#16A37B; --coral-500:#F26A5A;
  --bg:#F5F8FD; --card:#FFFFFF; --line:#E4EBF5; --track:#E8EEF9;
  --ink:#10203A; --ink-2:#4C5E78; --ink-3:#8797AC;
  --r-card:16px; --r-lg:20px; --r-in:12px;
  --shadow-sm:0 1px 2px rgba(16,32,58,.05);
  --shadow-md:0 10px 30px -12px rgba(16,32,58,.15);
  --shadow-lg:0 24px 48px -24px rgba(16,32,58,.22);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-700)}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}

.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 32px}
.section{padding:72px 0}
.section-tight{padding:44px 0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:70px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);min-height:44px}
.logo:hover{color:var(--ink)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand-600);color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;flex:none;letter-spacing:.5px}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:700;line-height:1.15;white-space:nowrap}
.logo-text small{font-size:12px;font-weight:400;color:var(--ink-3);margin-top:3px;letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;border-radius:10px;font-size:15px;color:var(--ink-2)}
.nav-link:hover{background:var(--brand-50);color:var(--brand-600)}
.nav-link.is-active{color:var(--brand-600);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;background:var(--brand-500)}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-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}
.menu-toggle:hover{background:var(--brand-50);border-color:var(--brand-100)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 26px;border-radius:999px;font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;text-align:center;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(31,85,200,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--brand-500);color:var(--brand-600);border-radius:12px}
.btn-outline:hover{background:var(--brand-50);color:var(--brand-700)}
.btn-sm{min-height:42px;padding:0 20px;font-size:15px}
.btn-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;color:var(--brand-600);font-weight:600;font-size:15px}
.btn-link .arrow{transition:transform .2s ease}
.btn-link:hover .arrow{transform:translateX(3px)}

/* ---------- 面包屑 ---------- */
.crumb-wrap{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;min-height:44px;font-size:13px;color:var(--ink-3);flex-wrap:nowrap;overflow:hidden}
.crumb a{color:var(--ink-2);white-space:nowrap}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:#C6D2E4}
.crumb .current{color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-col{max-width:820px;margin:0 auto}
.article-head{padding:40px 0 26px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px}
.badge{display:inline-flex;align-items:center;height:25px;padding:0 12px;border-radius:999px;font-size:12.5px;font-weight:600;background:var(--brand-50);color:var(--brand-600);white-space:nowrap}
.badge-amber{background:var(--amber-100);color:#9A5B08}
.badge-mint{background:#E4F6EF;color:#0E7A5C}
.article-title{font-size:36px;line-height:1.32;font-weight:700;letter-spacing:.2px;color:var(--ink)}
.article-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:18px;font-size:13.5px;color:var(--ink-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6D2E4;display:inline-block}
.article-rule{height:1px;background:var(--line);margin:0}

/* ---------- 正文 ---------- */
.article-body{padding:8px 0 40px;font-size:17px;line-height:1.85;color:#1C3050;overflow-wrap:break-word}
.article-body p{margin:1.15em 0;color:#24375A}
.article-body h2{font-size:25px;line-height:1.45;font-weight:700;color:var(--ink);margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--brand-500)}
.article-body h3{font-size:19.5px;line-height:1.5;font-weight:700;color:var(--ink);margin:32px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:24px 0 10px}
.article-body ul,.article-body ol{margin:1.1em 0;padding-left:1.5em}
.article-body li{margin-bottom:8px;color:#24375A}
.article-body li::marker{color:var(--brand-500);font-weight:600}
.article-body blockquote{margin:24px 0;padding:16px 20px;background:#F2F7FF;border-left:4px solid var(--brand-500);border-radius:8px;color:var(--ink-2)}
.article-body blockquote p{margin:.4em 0;color:var(--ink-2)}
.article-body a{text-decoration:underline;text-decoration-color:rgba(47,107,228,.35);text-underline-offset:3px}
.article-body a:hover{text-decoration-color:var(--brand-600)}
.article-body img{border-radius:12px;margin:20px 0 8px;box-shadow:var(--shadow-sm)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body strong{color:var(--ink);font-weight:700}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:22px 0;border-radius:12px}
.article-body thead th{background:var(--brand-50);color:var(--brand-700);font-weight:600;text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.article-body tbody tr:nth-child(even) td{background:#FAFCFF}
.article-body hr{border:0;height:1px;background:var(--line);margin:36px 0}
.empty-note{display:flex;align-items:center;gap:10px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:12px;color:var(--ink-2);margin-bottom:18px}

/* ---------- 文末操作 ---------- */
.article-foot{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12.5px;color:var(--ink-2);background:#F1F5FC;border:1px solid var(--line)}
.foot-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.icon-btn{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--ink-2);cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease}
.icon-btn:hover{background:var(--brand-50);color:var(--brand-600);border-color:var(--brand-100);transform:translateY(-1px)}

/* ---------- 相关推荐 ---------- */
.related{padding:56px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-title{font-size:24px;font-weight:700;letter-spacing:.2px}
.section-sub{font-size:14px;color:var(--ink-3);margin-top:6px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(47,107,228,.22)}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--track)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card-title{font-size:16.5px;font-weight:600;line-height:1.55;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-title{color:var(--brand-600)}
.card-text{font-size:14px;color:var(--ink-3);line-height:1.75;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3)}
.back-row{display:flex;align-items:center;gap:22px;flex-wrap:wrap;padding:32px 0 0}

/* ---------- 抽屉与底部 Tab ---------- */
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(16,32,58,.42)}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:272px;max-width:84vw;background:#fff;box-shadow:var(--shadow-lg);padding:20px 18px 28px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;transform:translateX(0);animation:slideIn .22s ease}
@keyframes slideIn{from{transform:translateX(24px);opacity:.4}to{transform:translateX(0);opacity:1}}
.drawer-title{font-size:13px;color:var(--ink-3);padding:4px 8px 10px}
.drawer-link{display:flex;align-items:center;min-height:46px;padding:0 12px;border-radius:10px;font-size:15px;color:var(--ink-2)}
.drawer-link:hover{background:var(--brand-50);color:var(--brand-600)}
.drawer-link.is-active{background:var(--brand-50);color:var(--brand-600);font-weight:600}
.drawer-cta{margin-top:auto;padding-top:18px}
.drawer-cta .btn{width:100%}
.mobile-tabs{display:none}

/* ---------- 页脚 ---------- */
.site-footer{background:#10203A;color:#C6D2E4;margin-top:88px;padding-top:60px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text small{color:#8797AC}
.footer-brand p{color:#A9B8CE;line-height:1.85;margin-top:16px;max-width:340px;font-size:13.5px}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a,.footer-col li{color:#C6D2E4;font-size:13.5px;line-height:1.7}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#8797AC}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

@media (max-width:1023px){
  .shell{padding:0 24px}
  .nav-links{display:none}
  .header-actions .btn{display:none}
  .menu-toggle{display:inline-flex}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .mobile-tabs{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;background:#fff;
    border-top:1px solid var(--line);box-shadow:0 -8px 24px -18px rgba(16,32,58,.55);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tabs a{flex:1;min-height:62px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--ink-3);padding:6px 4px;text-align:center;line-height:1.3}
  .mobile-tabs a svg{width:22px;height:22px}
  .mobile-tabs a.is-active{color:var(--brand-600);font-weight:600;position:relative}
  .mobile-tabs a.is-active::before{content:"";position:absolute;top:0;width:24px;height:3px;border-radius:0 0 3px 3px;background:var(--brand-500)}
  body{padding-bottom:calc(70px + env(safe-area-inset-bottom))}
  .site-footer{margin-top:64px}
}

@media (max-width:767px){
  .shell{padding:0 18px}
  .section{padding:56px 0}
  .header-inner{min-height:64px;gap:12px}
  .logo-text{font-size:15.5px}
  .logo-text small{display:none}
  .article-head{padding:26px 0 20px}
  .article-title{font-size:26px;line-height:1.35}
  .article-body{font-size:16.5px;line-height:1.85}
  .article-body h2{font-size:21px;margin:34px 0 14px}
  .article-body h3{font-size:18px;margin:26px 0 10px}
  .grid-3{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .foot-actions{margin-left:0}
  .back-row{gap:12px}
}

/* roulang page: category1 */
:root{
    --brand-50:#EEF4FF;
    --brand-100:#DCE8FF;
    --brand-500:#2F6BE4;
    --brand-600:#1F55C8;
    --brand-700:#17419E;
    --amber-100:#FFF3DF;
    --amber-500:#F2A63B;
    --mint-100:#E4F6EF;
    --mint-500:#16A37B;
    --coral-500:#F26A5A;
    --bg-page:#F5F8FD;
    --bg-card:#FFFFFF;
    --line:#E4EBF5;
    --text:#10203A;
    --text-sub:#4C5E78;
    --text-weak:#8797AC;
    --radius-card:16px;
    --radius-lg:20px;
    --radius-sm:12px;
    --shadow-sm:0 1px 2px rgba(16,32,58,.05);
    --shadow-md:0 10px 30px -12px rgba(16,32,58,.15);
    --shadow-lg:0 24px 48px -24px rgba(16,32,58,.22);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg-page);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);}
  a:hover{color:var(--brand-600);}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;color:var(--text);}
  p{margin:0;}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

  .shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
  @media (max-width:1023px){ .shell{padding:0 24px;} }
  @media (max-width:767px){ .shell{padding:0 18px;} }

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:#fff;
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(16,32,58,.28);}
  .header-inner{display:flex;align-items:center;gap:24px;height:70px;}
  .logo{display:flex;align-items:center;gap:10px;min-width:0;flex-shrink:0;}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;
    background:var(--brand-500);color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-weight:700;font-size:17px;letter-spacing:.5px;
    box-shadow:var(--shadow-sm);
  }
  .logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;line-height:1.2;color:var(--text);white-space:nowrap;}
  .logo-text small{font-size:11px;font-weight:400;color:var(--text-weak);margin-top:2px;letter-spacing:.2px;}

  .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    height:40px;padding:0 14px;border-radius:8px;
    font-size:15px;color:var(--text-sub);
  }
  .nav-link:hover{background:var(--brand-50);color:var(--brand-600);}
  .nav-link.is-active{color:var(--brand-600);font-weight:600;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:-15px;height:3px;border-radius:999px;background:var(--brand-500);
  }
  .header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    align-items:center;justify-content:center;color:var(--text);
  }
  .nav-toggle:hover{border-color:var(--brand-500);color:var(--brand-600);}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:50px;padding:0 26px;border-radius:999px;
    font-size:16px;font-weight:600;line-height:1;white-space:nowrap;
    transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  }
  .btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--shadow-sm);}
  .btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-outline{background:#fff;border:1px solid var(--brand-500);color:var(--brand-600);border-radius:var(--radius-sm);}
  .btn-outline:hover{background:var(--brand-50);}
  .btn-sm{height:42px;padding:0 20px;font-size:15px;}
  .btn-lg{height:52px;padding:0 30px;font-size:17px;}
  .btn:focus-visible,.nav-link:focus-visible,.link-more:focus-visible,summary:focus-visible,.tab-item:focus-visible{
    outline:2px solid var(--brand-500);outline-offset:2px;
  }
  .link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:15px;}
  .link-more span{transition:transform .2s var(--ease);}
  .link-more:hover span{transform:translateX(3px);}

  /* ---------- Hero ---------- */
  .page-hero{
    background:linear-gradient(135deg,#EAF2FF 0%,#FFFFFF 100%);
    border-bottom:1px solid var(--line);
    padding:40px 0 64px;
    position:relative;
    overflow:hidden;
  }
  .page-hero::after{
    content:"";position:absolute;inset:auto -60px -80px auto;width:320px;height:320px;
    background-image:radial-gradient(rgba(47,107,228,.18) 1px, transparent 1px);
    background-size:14px 14px;opacity:.6;pointer-events:none;
  }
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-weak);margin-bottom:22px;}
  .breadcrumb a{color:var(--text-sub);}
  .breadcrumb a:hover{color:var(--brand-600);}
  .breadcrumb .sep{color:#C3CFE0;}
  .breadcrumb .current{color:var(--text-weak);}

  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative;z-index:1;}
  .hero-copy h1{font-size:40px;line-height:1.22;margin-bottom:16px;}
  .hero-copy .lead{font-size:17px;color:var(--text-sub);max-width:520px;margin-bottom:26px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
  .hero-mini{display:flex;flex-wrap:wrap;gap:20px;font-size:13px;color:var(--text-sub);}
  .hero-mini li{display:flex;align-items:center;gap:6px;}
  .hero-mini svg{color:var(--brand-500);flex-shrink:0;}
  .hero-figure{position:relative;}
  .hero-figure img{
    width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
  }
  .hero-chip{
    position:absolute;right:-10px;bottom:18px;
    background:var(--amber-100);color:#8A5A12;
    border-radius:999px;padding:8px 16px;font-size:13px;font-weight:600;
    box-shadow:var(--shadow-sm);
  }

  /* ---------- Sections ---------- */
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
  .section-head h2{font-size:30px;line-height:1.3;}
  .section-head p{font-size:15px;color:var(--text-sub);margin-top:10px;max-width:640px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--brand-50);color:var(--brand-600);
    border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:16px;
  }

  /* ---------- Split content ---------- */
  .split{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;}
  .prose h2{font-size:26px;line-height:1.4;margin:36px 0 14px;padding-left:14px;border-left:4px solid var(--brand-500);}
  .prose h2:first-child{margin-top:0;}
  .prose h3{font-size:19px;margin:24px 0 10px;}
  .prose p{font-size:17px;line-height:1.85;color:var(--text-sub);margin-bottom:16px;}
  .prose ul{display:flex;flex-direction:column;gap:10px;margin:6px 0 20px;}
  .prose ul li{position:relative;padding-left:22px;font-size:16.5px;line-height:1.8;color:var(--text-sub);}
  .prose ul li::before{
    content:"";position:absolute;left:4px;top:12px;width:7px;height:7px;border-radius:999px;background:var(--brand-500);
  }
  .note{
    background:var(--brand-50);border-left:4px solid var(--brand-500);
    border-radius:8px;padding:16px 18px;font-size:15.5px;color:var(--text-sub);margin:20px 0;
  }
  .side-panel{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px;}
  .side-panel img{border-radius:var(--radius-lg);aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow-sm);}
  .summary-card{
    background:var(--brand-50);border:1px solid var(--brand-100);
    border-radius:var(--radius-card);padding:22px;
  }
  .summary-card h3{font-size:17px;margin-bottom:14px;}
  .summary-card li{display:flex;gap:10px;font-size:15px;color:var(--text-sub);line-height:1.7;margin-bottom:12px;}
  .summary-card li:last-child{margin-bottom:0;}
  .summary-card svg{color:var(--mint-500);flex-shrink:0;margin-top:5px;}

  /* ---------- Numbered cards ---------- */
  .num-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .num-card{
    background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px;box-shadow:var(--shadow-sm);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .num-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(47,107,228,.25);}
  .num-badge{
    width:40px;height:40px;border-radius:999px;background:var(--brand-50);color:var(--brand-600);
    display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;margin-bottom:16px;
  }
  .num-card h3{font-size:18px;margin-bottom:8px;}
  .num-card p{font-size:15px;color:var(--text-sub);line-height:1.75;}

  /* ---------- Steps strip ---------- */
  .strip{
    display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:28px;box-shadow:var(--shadow-sm);
  }
  .strip-item{position:relative;padding-top:6px;}
  .strip-item .dot{
    width:12px;height:12px;border-radius:999px;background:var(--brand-500);margin-bottom:14px;
    box-shadow:0 0 0 4px var(--brand-50);
  }
  .strip-item.is-done .dot{background:var(--mint-500);box-shadow:0 0 0 4px var(--mint-100);}
  .strip-item h4{font-size:16px;margin-bottom:6px;}
  .strip-item p{font-size:14px;color:var(--text-sub);line-height:1.7;}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:14px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-sm);overflow:hidden;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .faq-item:hover{border-color:rgba(47,107,228,.25);box-shadow:var(--shadow-md);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 22px;font-size:16.5px;font-weight:600;color:var(--text);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item .chev{
    flex-shrink:0;width:26px;height:26px;border-radius:999px;background:var(--brand-50);color:var(--brand-600);
    display:flex;align-items:center;justify-content:center;transition:transform .2s var(--ease);
  }
  .faq-item[open] .chev{transform:rotate(180deg);}
  .faq-body{padding:0 22px 22px;border-top:1px solid var(--line);margin-top:0;}
  .faq-body p{font-size:15.5px;line-height:1.85;color:var(--text-sub);padding-top:14px;}

  /* ---------- CTA band ---------- */
  .cta-band{
    background:linear-gradient(135deg,var(--brand-50) 0%,#FFFFFF 100%);
    border:1px solid var(--brand-100);border-radius:var(--radius-lg);
    padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
    box-shadow:var(--shadow-sm);
  }
  .cta-band h2{font-size:24px;line-height:1.35;margin-bottom:10px;}
  .cta-band p{font-size:15.5px;color:var(--text-sub);max-width:560px;}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}

  /* ---------- Footer ---------- */
  .site-footer{background:#10203A;color:#C6D2E4;margin-top:96px;padding:64px 0 28px;font-size:14px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
  .site-footer .logo-text{color:#fff;}
  .site-footer .logo-text small{color:#8FA3C0;}
  .site-footer .logo-mark{background:var(--brand-500);}
  .footer-brand p{margin-top:18px;line-height:1.85;color:#9FB1C9;max-width:340px;}
  .footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
  .footer-col li{margin-bottom:10px;color:#9FB1C9;}
  .footer-col a{color:#C6D2E4;}
  .footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
  .footer-bottom{
    margin-top:48px;padding-top:20px;border-top:1px solid rgba(198,210,228,.18);
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA3C0;
  }

  /* ---------- Mobile tab bar ---------- */
  .mobile-tab{
    display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -6px 18px -14px rgba(16,32,58,.4);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tab ul{display:grid;grid-template-columns:repeat(3,1fr);}
  .tab-item{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    height:62px;font-size:11.5px;color:var(--text-weak);position:relative;
  }
  .tab-item svg{width:22px;height:22px;}
  .tab-item.is-active{color:var(--brand-600);font-weight:600;}
  .tab-item.is-active::before{
    content:"";position:absolute;top:0;width:26px;height:3px;border-radius:0 0 4px 4px;background:var(--brand-500);
  }

  @media (max-width:1023px){
    .hero-grid{grid-template-columns:1fr;gap:32px;}
    .hero-copy h1{font-size:34px;}
    .hero-figure img{aspect-ratio:16/9;max-height:280px;}
    .split{grid-template-columns:1fr;gap:36px;}
    .side-panel{position:static;}
    .nav-links{
      display:none;
    }
    .nav-toggle{display:inline-flex;}
    .header-actions .btn-primary{display:none;}
    .strip{grid-template-columns:repeat(2,1fr);}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .cta-band{flex-direction:column;align-items:flex-start;}
  }
  @media (max-width:767px){
    body{font-size:16px;padding-bottom:calc(72px + env(safe-area-inset-bottom));}
    .site-footer{margin-top:64px;padding-bottom:calc(72px + env(safe-area-inset-bottom));}
    .section{padding:60px 0;}
    .section-tight{padding:48px 0;}
    .page-hero{padding:26px 0 48px;}
    .hero-copy h1{font-size:30px;}
    .hero-copy .lead{font-size:16px;}
    .hero-actions .btn{width:100%;}
    .section-head{flex-direction:column;align-items:flex-start;}
    .section-head h2{font-size:24px;}
    .prose h2{font-size:22px;}
    .prose p{font-size:16.5px;}
    .num-grid{grid-template-columns:1fr;}
    .strip{grid-template-columns:1fr;}
    .faq-item summary{font-size:16px;padding:18px;}
    .faq-body{padding:0 18px 18px;}
    .cta-band{padding:26px;}
    .cta-band h2{font-size:21px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;}
    .mobile-tab{display:block;}
    .hero-chip{right:8px;bottom:8px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;}
  }

/* roulang page: category2 */
:root{
  --brand-50:#EEF4FF;
  --brand-100:#DCE8FF;
  --brand-500:#2F6BE4;
  --brand-600:#1F55C8;
  --brand-700:#17419E;
  --amber-100:#FFF3DF;
  --amber-500:#F2A63B;
  --amber-700:#96590D;
  --mint-100:#E4F6EF;
  --mint-500:#16A37B;
  --mint-700:#0E7A5B;
  --coral-500:#F26A5A;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --line:#E4EBF5;
  --ink:#10203A;
  --ink-2:#4C5E78;
  --ink-3:#8797AC;
  --track:#E8EEF9;
  --deep:#10203A;
  --shadow-sm:0 1px 2px rgba(16,32,58,.05);
  --shadow-md:0 10px 30px -12px rgba(16,32,58,.15);
  --shadow-lg:0 24px 48px -24px rgba(16,32,58,.22);
  --r-sm:12px;
  --r:16px;
  --r-lg:20px;
  --num-font:"Inter","PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
.page{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  padding-bottom:calc(78px + env(safe-area-inset-bottom));
}
.page img{max-width:100%;display:block}
.page a{color:inherit;text-decoration:none}
.page ul{margin:0;padding:0;list-style:none}
.page h1,.page h2,.page h3,.page h4,.page p{margin:0}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 18px}
@media (min-width:768px){.shell{padding:0 24px}}
@media (min-width:1280px){.shell{padding:0 32px}}
.num{font-family:var(--num-font);font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s cubic-bezier(.2,.7,.3,1);
}
.site-header.is-scrolled{box-shadow:0 6px 18px -14px rgba(16,32,58,.35)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:70px}
.logo{display:flex;align-items:center;gap:10px;min-height:44px}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:var(--brand-500);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--num-font);font-weight:700;font-size:17px;letter-spacing:.5px;
}
.logo-text{font-size:16px;font-weight:600;line-height:1.2;display:flex;flex-direction:column;gap:2px;color:var(--ink)}
.logo-text small{font-size:11.5px;font-weight:400;color:var(--ink-3);line-height:1.2}
.nav-links{display:none;align-items:center;gap:4px}
.nav-link{
  display:inline-flex;align-items:center;height:44px;padding:0 14px;
  border-radius:10px;font-size:15px;color:var(--ink-2);
  transition:background-color .18s ease,color .18s ease;
  position:relative;
}
.nav-link:hover{background:var(--brand-50);color:var(--brand-600)}
.nav-link.is-active{color:var(--brand-600);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:999px;background:var(--brand-500);
}
.header-actions{display:flex;align-items:center;gap:10px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-line{border-radius:12px;border:1px solid var(--brand-500);color:var(--brand-600);background:#fff;height:46px}
.btn-line:hover{background:var(--brand-50)}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.btn:focus-visible,.nav-link:focus-visible,.faq-q:focus-visible,.link-arrow:focus-visible,.tab-item:focus-visible{
  outline:2px solid var(--brand-500);outline-offset:2px;
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-size:15px;font-weight:600;min-height:44px}
.link-arrow svg{transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 徽章 ---------- */
.chip{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;font-size:12.5px;line-height:1;font-weight:500;white-space:nowrap}
.chip-brand{background:var(--brand-50);color:var(--brand-600)}
.chip-amber{background:var(--amber-100);color:var(--amber-700)}
.chip-mint{background:var(--mint-100);color:var(--mint-700)}
.chip-coral{background:#FDECE9;color:#B33B2C}

/* ---------- 宽幅 banner ---------- */
.banner-wrap{padding-top:24px}
.banner{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:300px;display:flex;align-items:flex-end;
  box-shadow:var(--shadow-md);
  border:1px solid var(--line);
}
.banner-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.banner-panel{
  position:relative;z-index:2;
  margin:0 0 26px 26px;
  background:#fff;border-radius:var(--r);
  padding:22px 26px;max-width:680px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:12px}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand-600)}
.crumb span.sep{color:#B9C6D8}
.h1{font-size:30px;line-height:1.25;font-weight:700;letter-spacing:.2px}
.lead{margin-top:12px;font-size:16px;color:var(--ink-2)}
.banner-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:18px}

/* ---------- 板块通用 ---------- */
.section{padding-top:64px}
@media (min-width:1024px){.section{padding-top:96px}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-600);letter-spacing:.4px}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--brand-500)}
.section-title{font-size:24px;line-height:1.3;font-weight:700;margin-top:10px}
@media (min-width:1024px){.section-title{font-size:31px}}
.section-sub{margin-top:10px;color:var(--ink-2);font-size:15.5px;max-width:720px}

/* ---------- 三栏特性卡 ---------- */
.feature-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:1024px){.feature-grid{grid-template-columns:repeat(3,1fr);gap:26px}}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:12px;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease,border-color .2s ease;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(47,107,228,.2)}
.icon-box{
  width:46px;height:46px;border-radius:14px;background:var(--brand-50);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
}
.feature-card h3{font-size:18px;font-weight:600;line-height:1.45}
.feature-card p{font-size:15px;color:var(--ink-2);line-height:1.8}
.feature-foot{margin-top:auto;padding-top:6px;border-top:1px solid var(--line)}

/* ---------- 深色数据条 ---------- */
.stats-band{
  background:var(--brand-600);
  border-radius:var(--r-lg);
  padding:28px 22px;
  color:#fff;
}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 18px}
@media (min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.stat-cell{position:relative;padding-left:0}
@media (min-width:1024px){
  .stat-cell+.stat-cell{padding-left:26px}
  .stat-cell+.stat-cell::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:rgba(255,255,255,.28)}
}
.stat-num{font-family:var(--num-font);font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;line-height:1.1}
.stat-num small{font-size:15px;font-weight:500;margin-left:4px}
.stat-label{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.82);line-height:1.6}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:6px}
.tl-item{position:relative;display:flex;gap:18px;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:19px;top:44px;bottom:0;width:1px;background:var(--line);
}
.tl-item:last-child::before{display:none}
.tl-node{
  flex:0 0 38px;width:38px;height:38px;border-radius:999px;
  background:var(--amber-100);color:var(--amber-700);border:1px solid #F6DCB4;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--num-font);font-weight:700;font-size:15px;position:relative;z-index:2;
}
.tl-body{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--shadow-sm);flex:1 1 auto;min-width:0}
.tl-body h3{font-size:17px;font-weight:600;line-height:1.5}
.tl-body p{margin-top:8px;font-size:15px;color:var(--ink-2);line-height:1.8}

/* ---------- 奖励门槛列表 ---------- */
.reward-list{display:grid;grid-template-columns:1fr;gap:14px}
@media (min-width:1024px){.reward-list{grid-template-columns:repeat(2,1fr);gap:16px}}
.reward-row{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease,border-color .2s ease;
}
.reward-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(47,107,228,.2)}
.reward-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.reward-top h3{font-size:17px;font-weight:600;line-height:1.5}
.reward-cond{font-size:14px;color:var(--ink-2)}
.progress{height:9px;border-radius:999px;background:var(--track);overflow:hidden}
.progress-bar{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-500),var(--amber-500))}
.reward-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-3)}
.reward-pct{font-family:var(--num-font);font-variant-numeric:tabular-nums;font-weight:600;color:var(--ink-2);font-size:14px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.is-open{border-color:rgba(47,107,228,.25);box-shadow:var(--shadow-md)}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16.5px;font-weight:600;color:var(--ink);
  font-family:inherit;line-height:1.6;min-height:56px;
}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:999px;background:var(--brand-50);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;transition:transform .2s ease;
  font-family:var(--num-font);font-weight:700;font-size:15px;line-height:1;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-a{display:none;padding:0 20px 20px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.faq-a .divider{height:1px;background:var(--line);margin-bottom:14px}
.faq-item.is-open .faq-a{display:block}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--brand-50);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 22px;
  display:flex;flex-direction:column;gap:20px;
}
@media (min-width:1024px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:36px 40px}}
.cta-band h2{font-size:22px;line-height:1.35;font-weight:700}
@media (min-width:1024px){.cta-band h2{font-size:26px}}
.cta-band p{margin-top:10px;color:var(--ink-2);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
@media (min-width:1024px){.cta-actions{flex-direction:row;align-items:center;gap:16px;flex-shrink:0}}
.cta-actions .btn{width:100%}
@media (min-width:1024px){.cta-actions .btn{width:auto}}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:72px;background:var(--deep);color:#C6D2E4;padding:52px 0 26px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}}
.footer-brand .logo{margin-bottom:14px}
.footer-brand .logo-mark{background:var(--brand-500)}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text small{color:#93A6C0}
.footer-brand p{color:#A9B8CE;line-height:1.85;max-width:360px}
.footer-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:14px}
.footer-col li{margin-bottom:10px;color:#A9B8CE;line-height:1.7}
.footer-col a{color:#C6D2E4;transition:color .18s ease,text-decoration-color .18s ease}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-direction:column;gap:8px;font-size:12.5px;color:#8FA2BC;
}
@media (min-width:1024px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}

/* ---------- 移动端底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 20px -16px rgba(16,32,58,.4);
  padding-bottom:env(safe-area-inset-bottom);
  display:grid;grid-template-columns:repeat(3,1fr);
}
.tab-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:62px;font-size:11.5px;color:var(--ink-3);position:relative;
  transition:color .18s ease;
}
.tab-item svg{width:22px;height:22px}
.tab-item.is-active{color:var(--brand-600);font-weight:600}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;width:26px;height:3px;border-radius:999px;background:var(--brand-500);
}
@media (min-width:1024px){
  .tabbar{display:none}
  .page{padding-bottom:0}
}

/* ---------- 滚动淡入 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.3,1)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}

/* ---------- 桌面导航断点 ---------- */
@media (min-width:1024px){
  .nav-links{display:flex}
  .header-cta-mobile{display:none}
}
@media (max-width:1023px){
  .header-cta-desktop{display:none}
  .banner-panel{margin:0 0 18px 18px;padding:18px 20px;max-width:none}
  .banner{min-height:270px}
  .h1{font-size:26px}
}
@media (max-width:520px){
  .h1{font-size:23px;line-height:1.3}
  .section-title{font-size:22px}
  .stat-num{font-size:26px}
  .banner{min-height:240px}
  .banner-panel{margin:0 0 14px 14px;padding:16px}
  .btn{width:100%}
  .banner-actions .btn{width:100%}
  .header-actions .btn{width:auto;padding:0 18px;height:42px;font-size:14.5px}
}