/* roulang page: index */
:root{
  --c-primary:#2456D6;
  --c-primary-700:#1B45B2;
  --c-primary-50:#EAF0FE;
  --c-ink:#141F4B;
  --c-ink-2:#3C4A72;
  --c-body:#5A6B8C;
  --c-muted:#8A99B8;
  --c-teal:#2FBFB6;
  --c-accent:#F2B93B;
  --c-bg:#F6F8FD;
  --c-surface:#FFFFFF;
  --c-line:#E3E9F6;
  --c-line-strong:#CFD9EE;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter",system-ui,sans-serif;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(20,31,75,.05);
  --shadow-2:0 6px 18px rgba(20,31,75,.07);
  --shadow-3:0 14px 36px rgba(20,31,75,.10);
  --t:180ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.32;letter-spacing:-.2px;}
h1{font-size:40px;}
h2{font-size:28px;}
h3{font-size:20px;font-weight:600;}
h4{font-size:18px;font-weight:600;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-primary-700);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,191,182,.35);border-radius:6px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- Foundation 覆盖 ---------- */
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.grid-x>.cell{padding-left:0;padding-right:0;}
.row-gap{margin-bottom:-24px;}
.row-gap>.cell{margin-bottom:24px;}
.accordion{border:0;background:transparent;}
.button,.btn{transition:all var(--t);}

/* ---------- 容器与板块 ---------- */
.section{padding:88px 0;}
.section.is-tight{padding:64px 0;}
.section.is-dark{background:var(--c-ink);color:rgba(255,255,255,.78);}
.section.is-dark h2,.section.is-dark h3{color:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{margin-top:10px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-50);padding:4px 12px;border-radius:6px;letter-spacing:.6px;
}
.link-more{font-size:14px;font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.link-more i{font-size:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:all var(--t);border:1px solid transparent;
}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-secondary{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-secondary:hover{background:var(--c-primary-50);color:var(--c-primary-700);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35);}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-block;font-size:12px;line-height:1.5;font-weight:600;
  padding:4px 10px;border-radius:6px;background:var(--c-primary-50);color:var(--c-primary);
}
.badge.is-teal{background:rgba(47,191,182,.12);color:#1E8F88;}
.badge.is-accent{background:#fff;border:1px solid var(--c-accent);color:#9A6E0C;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--shadow-2);}
.header-main{display:flex;align-items:center;gap:32px;height:76px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-primary),#1E3288);
  color:#fff;font-size:19px;font-weight:700;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-line1{font-size:17px;font-weight:700;color:var(--c-ink);}
.brand-line2{font-size:12px;color:var(--c-muted);letter-spacing:1.5px;}
.header-search{
  flex:1;max-width:560px;display:flex;align-items:center;height:46px;
  background:#fff;border:1px solid #DCE4F5;border-radius:999px;
  padding-left:16px;transition:border-color var(--t),box-shadow var(--t);
}
.header-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,191,182,.35);}
.header-search .search-icon{color:var(--c-muted);font-size:14px;flex:0 0 auto;}
.header-search input{
  flex:1;height:100%;border:0;background:transparent;padding:0 12px;font-size:14px;outline:none;
}
.header-search input::placeholder{color:#98A6C4;}
.header-search button{
  height:38px;margin-right:4px;padding:0 20px;border-radius:999px;
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;transition:background var(--t);
}
.header-search button:hover{background:var(--c-primary-700);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:16px;}
.header-actions .ghost-link{font-size:14px;font-weight:600;color:var(--c-ink-2);}
.header-actions .ghost-link:hover{color:var(--c-primary);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  color:var(--c-ink);font-size:17px;align-items:center;justify-content:center;
}
.menu-toggle:hover{background:var(--c-primary-50);color:var(--c-primary);}
.header-nav{border-top:1px solid var(--c-line);}
.header-nav ul{display:flex;align-items:center;gap:36px;height:52px;}
.header-nav a{
  position:relative;display:inline-block;font-size:14px;font-weight:500;color:var(--c-ink-2);
  line-height:52px;
}
.header-nav a:hover{color:var(--c-primary);}
.header-nav a.is-active{color:var(--c-primary);font-weight:700;}
.header-nav a.is-active::after{
  content:"";position:absolute;left:0;bottom:12px;width:20px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:min(340px,86vw);z-index:80;background:#fff;
  transform:translateX(100%);transition:transform var(--t);
  box-shadow:-16px 0 40px rgba(20,31,75,.16);padding:20px 20px 32px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head strong{font-size:16px;color:var(--c-ink);}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);font-size:16px;}
.drawer-search{display:flex;align-items:center;height:48px;border:1px solid #DCE4F5;border-radius:999px;padding-left:14px;margin-bottom:20px;}
.drawer-search input{flex:1;border:0;outline:none;padding:0 10px;font-size:14px;height:100%;background:transparent;}
.drawer-search button{height:40px;margin-right:4px;padding:0 16px;border-radius:999px;background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;height:48px;
  font-size:15px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:700;}
.drawer-nav a i{font-size:12px;color:var(--c-muted);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,31,75,.42);z-index:70;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:64px 0 72px;
  background:
    radial-gradient(circle at 8% 22%, rgba(36,86,214,.07) 0 2px, transparent 3px),
    radial-gradient(circle at 26% 68%, rgba(36,86,214,.05) 0 2px, transparent 3px),
    radial-gradient(circle at 62% 16%, rgba(242,185,59,.16) 0 2px, transparent 3px),
    radial-gradient(circle at 88% 54%, rgba(36,86,214,.06) 0 2px, transparent 3px),
    linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);
}
.hero-inner{display:flex;align-items:center;gap:56px;flex-wrap:wrap;}
.hero-copy{flex:1 1 520px;min-width:0;}
.hero-copy h1{font-size:44px;margin:20px 0 16px;letter-spacing:-.6px;}
.hero-sub{font-size:17px;color:var(--c-body);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{display:flex;align-items:center;gap:28px;padding-top:26px;border-top:1px solid var(--c-line);}
.hero-stats .stat{flex:1 1 0;min-width:0;}
.hero-stats .stat + .stat{border-left:1px solid var(--c-line);padding-left:28px;}
.stat-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:24px;font-weight:700;color:var(--c-primary);line-height:1.2;}
.stat-label{font-size:13px;color:var(--c-muted);margin-top:4px;}
.hero-visual{position:relative;flex:1 1 380px;min-width:0;}
.hero-visual img{
  width:100%;height:420px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-3);
}
.hero-float{
  position:absolute;right:-12px;bottom:-20px;background:#fff;border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-3);display:flex;align-items:center;gap:12px;
  border:1px solid var(--c-line);max-width:280px;
}
.hero-float strong{display:block;font-size:14px;color:var(--c-ink);}
.hero-float span{font-size:12px;color:var(--c-muted);}
.dot-live{
  width:10px;height:10px;border-radius:50%;background:var(--c-teal);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(47,191,182,.16);
}

/* ---------- 快捷入口 ---------- */
.promo-card{
  position:relative;height:100%;min-height:340px;border-radius:var(--r-card);overflow:hidden;
  background:linear-gradient(160deg,#1B2C6E 0%,#141F4B 62%,#1E3288 100%);
  color:rgba(255,255,255,.82);padding:32px;display:flex;flex-direction:column;justify-content:flex-end;
  box-shadow:var(--shadow-2);transition:transform var(--t),box-shadow var(--t);
}
.promo-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);}
.promo-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 78% 18%, rgba(242,185,59,.28) 0 2px, transparent 3px),
    radial-gradient(circle at 22% 34%, rgba(255,255,255,.18) 0 1.5px, transparent 3px),
    radial-gradient(circle at 56% 72%, rgba(47,191,182,.26) 0 1.5px, transparent 3px),
    linear-gradient(45deg, rgba(255,255,255,.06) 0 1px, transparent 1px);
}
.promo-card h3{color:#fff;font-size:24px;margin:14px 0 10px;position:relative;}
.promo-card p{font-size:14px;color:rgba(255,255,255,.72);position:relative;margin-bottom:20px;}
.promo-card .badge{background:rgba(255,255,255,.14);color:#fff;position:relative;}
.promo-list{display:flex;flex-direction:column;gap:16px;height:100%;}
.mini-card{
  display:flex;align-items:flex-start;gap:14px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px;height:100%;box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);color:var(--c-body);
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:var(--c-line-strong);color:var(--c-body);}
.mini-icon{
  width:44px;height:44px;border-radius:12px;flex:0 0 auto;background:var(--c-primary-50);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:17px;
}
.mini-card h4{font-size:16px;margin-bottom:6px;color:var(--c-ink);}
.mini-card p{font-size:13.5px;color:var(--c-body);line-height:1.7;margin:0;}

/* ---------- 玩法图文交错 ---------- */
.split{display:flex;align-items:center;gap:56px;flex-wrap:wrap;}
.split + .split{margin-top:72px;}
.split-media{flex:1 1 420px;min-width:0;}
.split-media img{width:100%;height:320px;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--shadow-2);}
.split-body{flex:1 1 420px;min-width:0;}
.split-body h3{font-size:24px;margin:12px 0 14px;}
.steps{margin-top:28px;position:relative;}
.step{display:flex;gap:18px;padding-bottom:26px;position:relative;}
.step:last-child{padding-bottom:0;}
.step:not(:last-child)::before{
  content:"";position:absolute;left:19px;top:42px;bottom:6px;width:1px;background:var(--c-line);
}
.step-num{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;border:1px solid var(--c-line-strong);
  color:var(--c-primary);font-family:var(--font-num);font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;background:#fff;
}
.step h4{font-size:16px;margin-bottom:6px;}
.step p{font-size:14px;margin:0;}

/* ---------- 奖励卡轨 ---------- */
.rail{
  display:flex;gap:24px;overflow-x:auto;padding:4px 4px 16px;
  scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-item{flex:0 0 320px;scroll-snap-align:start;}
.rail-item.is-featured{flex:0 0 480px;}
.reward-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);height:100%;display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t);
}
.reward-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);}
.reward-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-50);}
.reward-thumb img{width:100%;height:100%;object-fit:cover;}
.reward-thumb .badge{position:absolute;left:14px;top:14px;}
.reward-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.reward-body h3{font-size:18px;margin-bottom:10px;}
.reward-body p{font-size:14px;margin-bottom:18px;}
.reward-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);}
.reward-foot .num{color:var(--c-muted);}

/* ---------- 进度区 ---------- */
.progress-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:20px;padding:40px;
  box-shadow:var(--shadow-1);
}
.progress-track{position:relative;height:8px;border-radius:999px;background:#E7EDFB;}
.progress-fill{
  position:absolute;left:0;top:0;bottom:0;width:68%;border-radius:999px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-teal));
}
.progress-nodes{position:absolute;left:0;right:0;top:-3px;display:flex;justify-content:space-between;padding:0 6%;}
.progress-node{
  width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--c-accent);
  box-shadow:0 1px 2px rgba(20,31,75,.12);
}
.progress-labels{display:flex;justify-content:space-between;padding:0 2%;margin-top:14px;font-size:12px;color:var(--c-muted);}
.progress-cols{display:flex;gap:32px;flex-wrap:wrap;margin-top:36px;}
.progress-col{flex:1 1 200px;min-width:0;}
.progress-col .num{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--c-ink);}
.progress-col span{display:block;font-size:14px;color:var(--c-body);margin-top:6px;}

/* ---------- 最新信息列表 ---------- */
.post-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:var(--c-line-strong);}
.post-card a{display:flex;gap:0;height:100%;color:var(--c-body);}
.post-card a:hover{color:var(--c-body);}
.post-thumb{flex:0 0 168px;background:var(--c-primary-50);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-body{padding:20px 22px;display:flex;flex-direction:column;min-width:0;}
.post-body h3{font-size:17px;line-height:1.5;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{font-size:13.5px;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{margin-top:auto;font-size:12.5px;color:var(--c-muted);display:flex;align-items:center;gap:8px;}
.post-meta .num{color:var(--c-muted);}
.empty-state{
  border:1px dashed var(--c-line-strong);background:#FBFCFE;border-radius:var(--r-card);
  padding:48px 24px;text-align:center;
}
.empty-state p{font-size:15px;color:var(--c-muted);margin-bottom:20px;}

/* ---------- 社会认同 ---------- */
.quote-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;
  height:100%;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t);
}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);}
.quote-card .stars{color:var(--c-accent);font-size:13px;letter-spacing:2px;margin-bottom:14px;}
.quote-card p{font-size:14.5px;color:var(--c-ink-2);margin-bottom:20px;}
.quote-user{display:flex;align-items:center;gap:12px;}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;background:var(--c-primary-50);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex:0 0 auto;
}
.quote-user strong{display:block;font-size:14px;color:var(--c-ink);}
.quote-user span{font-size:12.5px;color:var(--c-muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion-item{border-bottom:1px solid var(--c-line) !important;}
.accordion-title{
  font-size:16px;font-weight:600;color:var(--c-ink);padding:22px 40px 22px 0;
  border:0;position:relative;transition:color var(--t);
}
.accordion-title:hover{color:var(--c-primary);background:transparent;}
.accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  position:absolute;right:8px;top:26px;color:var(--c-primary);transition:transform var(--t);
}
.accordion-item.is-active .accordion-title::before{content:"\f068";transform:rotate(180deg);}
.accordion-content{background:#F8FAFE !important;border:0 !important;padding:0 24px !important;}
.accordion-content p{font-size:14.5px;padding:18px 0;color:var(--c-body);}

/* ---------- CTA ---------- */
.cta-bar{
  border-radius:20px;padding:48px 52px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
  background:linear-gradient(120deg,#EAF0FE 0%,#FFFFFF 100%);
  border:1px solid var(--c-line);
}
.cta-bar h2{font-size:26px;margin-bottom:10px;}
.cta-bar p{font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:56px 0 0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,#2456D6,#2FBFB6);}
.footer-brand .brand-line1{color:#fff;}
.footer-brand .brand-line2{color:rgba(255,255,255,.55);}
.site-footer p{font-size:14px;line-height:1.85;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-list li{margin-bottom:12px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.72);position:relative;transition:color var(--t);}
.footer-list a:hover{color:#fff;box-shadow:inset 0 -2px 0 var(--c-accent);}
.footer-social{display:flex;gap:12px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);font-size:14px;
}
.footer-social a:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.35);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .grid-container{max-width:1200px;}
}
@media (max-width:1023px){
  h1{font-size:32px;}
  h2{font-size:24px;}
  .hero-copy h1{font-size:34px;}
  .section{padding:64px 0;}
  .section.is-tight{padding:52px 0;}
  .header-nav{display:none;}
  .header-actions .ghost-link,.header-actions .btn{display:none;}
  .menu-toggle{display:flex;}
  .header-main{gap:16px;height:64px;}
  .header-search{max-width:none;}
  .header-search button{display:none;}
  .hero-visual img{height:340px;}
  .split{gap:32px;}
  .split + .split{margin-top:52px;}
  .rail-item.is-featured{flex:0 0 380px;}
  .post-thumb{flex:0 0 140px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .section.is-tight{padding:44px 0;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .hero{padding:40px 0 56px;}
  .hero-copy h1{font-size:28px;margin:16px 0 14px;}
  .hero-sub{font-size:15.5px;margin-bottom:22px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-stats{gap:16px;padding-top:22px;}
  .hero-stats .stat + .stat{padding-left:16px;}
  .stat-num{font-size:20px;}
  .hero-visual img{height:260px;border-radius:16px;}
  .hero-float{right:8px;bottom:-16px;padding:12px 14px;max-width:240px;}
  .promo-card{padding:24px;min-height:260px;}
  .promo-card h3{font-size:20px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .split-media img{height:220px;}
  .split-body h3{font-size:19px;}
  .rail{gap:16px;}
  .rail-item,.rail-item.is-featured{flex:0 0 84%;}
  .progress-panel{padding:24px;}
  .progress-cols{gap:20px;margin-top:26px;}
  .progress-labels{font-size:11px;}
  .post-card a{flex-direction:column;}
  .post-thumb{flex:none;height:180px;}
  .cta-bar{padding:32px 24px;text-align:left;}
  .cta-bar h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center;}
  .accordion-title{padding:18px 36px 18px 0;font-size:15px;}
  .accordion-title::before{top:22px;}
}
@media (max-width:520px){
  h1,.hero-copy h1{font-size:24px;}
  h2{font-size:20px;}
  .hero-stats{flex-wrap:wrap;gap:14px;}
  .hero-stats .stat{flex:1 1 40%;}
  .hero-stats .stat + .stat{border-left:0;padding-left:0;}
  .hero-stats .stat:nth-child(2){border-left:1px solid var(--c-line);padding-left:14px;}
  .brand-line1{font-size:15px;}
  .brand-line2{font-size:11px;letter-spacing:1px;}
}

/* roulang page: article */
:root{
  --c-primary:#2456D6;
  --c-primary-700:#1B45B2;
  --c-primary-50:#EAF0FE;
  --c-ink:#141F4B;
  --c-ink-2:#3C4A72;
  --c-body:#5A6B8C;
  --c-muted:#8A99B8;
  --c-teal:#2FBFB6;
  --c-accent:#F2B93B;
  --c-bg:#F6F8FD;
  --c-surface:#FFFFFF;
  --c-line:#E3E9F6;
  --c-line-strong:#CFD9EE;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter",system-ui,sans-serif;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --r-badge:6px;
  --sh1:0 1px 2px rgba(20,31,75,.05);
  --sh2:0 6px 18px rgba(20,31,75,.07);
  --sh3:0 14px 36px rgba(20,31,75,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease);}
a:hover{color:var(--c-primary-700);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,191,182,.35);border-radius:8px;}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;line-height:1.35;font-style:normal;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input{font-family:inherit;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.row-gap{row-gap:32px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 12px rgba(36,86,214,.22);}
.btn-primary:hover{background:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 6px rgba(36,86,214,.25);}
.btn-outline{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-50);color:var(--c-primary-700);border-color:var(--c-primary-700);}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.4);}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;line-height:18px;font-weight:600;
}
.badge-cat{background:var(--c-primary-50);color:var(--c-primary);}
.badge-soft{background:#EAF7F6;color:#1F9A93;}
.badge-gold{background:#fff;color:#9A7212;border:1px solid var(--c-accent);}
.tag-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--c-line-strong);
  background:#fff;color:var(--c-ink-2);font-size:13px;font-weight:600;
}
.tag-pill:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh2);}
.header-main{padding-top:10px;padding-bottom:10px;}
.header-inner{display:flex;align-items:center;gap:24px;min-height:56px;}
.site-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,var(--c-primary) 0%,#1E3288 100%);
  color:#fff;font-size:18px;font-weight:700;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-line1{font-size:16px;font-weight:700;color:var(--c-ink);letter-spacing:.5px;}
.brand-line2{font-size:12px;color:var(--c-muted);letter-spacing:2px;}
.site-logo:hover .brand-line1{color:var(--c-primary);}

.header-search{
  position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:560px;
  height:46px;background:#fff;border:1px solid #DCE4F5;border-radius:var(--r-pill);
  padding-left:16px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.header-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,191,182,.25);}
.header-search i{color:var(--c-muted);font-size:15px;}
.header-search input{
  flex:1 1 auto;height:100%;border:none;background:transparent;outline:none;
  padding:0 12px;font-size:14.5px;color:var(--c-ink);
}
.header-search input::placeholder{color:#98A6C4;}
.header-search button{
  height:36px;margin-right:5px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;
  transition:background-color .18s var(--ease);
}
.header-search button:hover{background:var(--c-primary-700);}

.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.header-link{font-size:14px;font-weight:600;color:var(--c-ink-2);}
.header-link:hover{color:var(--c-primary);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  color:var(--c-ink);font-size:18px;background:#fff;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

.header-nav{border-top:1px solid var(--c-line);margin-top:8px;}
.header-nav ul{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.header-nav ul li a{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 18px;font-size:14.5px;font-weight:600;color:var(--c-ink-2);
}
.header-nav ul li a:hover{color:var(--c-primary);background:var(--c-primary-50);border-radius:8px;}
.header-nav ul li a::after{
  content:"";position:absolute;left:50%;bottom:6px;width:0;height:2px;
  background:var(--c-accent);border-radius:2px;transform:translateX(-50%);
  transition:width .18s var(--ease);
}
.header-nav ul li a.is-active{color:var(--c-primary);}
.header-nav ul li a.is-active::after{width:20px;}

.mobile-panel{display:none;}
.mobile-search{display:flex;align-items:center;height:48px;border:1px solid var(--c-line-strong);border-radius:var(--r-pill);padding-left:16px;background:#fff;}
.mobile-search input{flex:1 1 auto;border:none;outline:none;background:transparent;font-size:15px;color:var(--c-ink);}
.mobile-search button{width:48px;height:46px;color:var(--c-primary);font-size:16px;}
.mobile-nav li{border-bottom:1px solid var(--c-line);}
.mobile-nav li a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;font-size:15px;font-weight:600;color:var(--c-ink-2);
}
.mobile-nav li a:hover{color:var(--c-primary);}

/* ============ 面包屑 ============ */
.page-wrap{padding-top:24px;padding-bottom:72px;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;
  font-size:13px;color:var(--c-muted);margin-bottom:20px;overflow:hidden;
}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.bc-sep{color:var(--c-line-strong);}
.bc-current{
  color:var(--c-ink-2);max-width:320px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章头卡 ============ */
.article-head{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh1);
  padding:32px;margin-bottom:24px;
}
.article-head h1{
  font-size:32px;line-height:1.3;margin:16px 0 18px;letter-spacing:.2px;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--c-muted);
}
.meta-row i{margin-right:6px;color:var(--c-muted);}
.meta-sep{width:1px;height:12px;background:var(--c-line-strong);display:inline-block;}
.article-cover{margin:24px 0 0;}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-img);box-shadow:inset 0 0 0 1px rgba(20,31,75,.05);
  background:#EAF0FE;
}
.article-cover figcaption{font-size:12.5px;color:var(--c-muted);text-align:center;margin-top:10px;}

/* ============ 正文 ============ */
.article-panel{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh1);padding:36px 32px;
}
.article-body{max-width:780px;font-size:17.5px;line-height:1.9;color:var(--c-body);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:24px;line-height:1.4;color:var(--c-ink);
  margin:1.8em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;
  border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:20px;color:var(--c-ink-2);margin:1.6em 0 .6em;}
.article-body h4{font-size:17px;color:var(--c-ink-2);margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em;line-height:1.85;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.45em;}
.article-body strong{color:var(--c-ink-2);font-weight:600;}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;background:var(--c-primary-50);
  border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.4em 0;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px;}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(36,86,214,.3);}
.article-body a:hover{color:var(--c-primary-700);border-bottom-color:var(--c-primary-700);}
.article-body table{
  width:100%;display:block;overflow-x:auto;border-collapse:collapse;
  font-size:15px;margin:1.4em 0;
}
.article-body thead{background:var(--c-primary-50);}
.article-body th,.article-body td{
  padding:11px 14px;border:1px solid var(--c-line);text-align:left;white-space:nowrap;
}
.article-body tbody tr:nth-child(even){background:#FAFCFF;}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:2em 0;}

.empty-state{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;
  padding:56px 24px;border:1px dashed var(--c-line-strong);border-radius:var(--r-card);
  background:#FAFCFF;
}
.empty-state i{font-size:30px;color:var(--c-muted);}
.empty-state p{margin:0;color:var(--c-body);font-size:15px;}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh1);padding:22px;
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:16px;
}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--c-primary);}
.info-list li{
  display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px solid var(--c-line);font-size:14px;
}
.info-list li:last-child{border-bottom:none;padding-bottom:0;}
.info-list .k{color:var(--c-muted);flex:0 0 auto;}
.info-list .v{color:var(--c-ink-2);font-weight:600;text-align:right;}
.rec-list li{padding:13px 0;border-bottom:1px solid var(--c-line);}
.rec-list li:last-child{border-bottom:none;padding-bottom:0;}
.rec-list li a{display:block;font-size:14.5px;font-weight:600;color:var(--c-ink-2);line-height:1.5;}
.rec-list li a:hover{color:var(--c-primary);}
.rec-list li span{display:block;font-size:12.5px;color:var(--c-muted);margin-top:4px;}
.cat-links li{margin-bottom:10px;}
.cat-links li:last-child{margin-bottom:0;}
.cat-links li a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;padding:0 16px;border-radius:12px;background:#F8FAFF;
  border:1px solid var(--c-line);font-size:14px;font-weight:600;color:var(--c-ink-2);
  transition:border-color .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease);
}
.cat-links li a:hover{border-color:var(--c-primary);background:var(--c-primary-50);color:var(--c-primary);}
.cat-links li a i{color:var(--c-muted);font-size:12px;}
.side-note{font-size:13px;line-height:1.8;color:var(--c-muted);margin:0;}

/* ============ 底部相关推荐 ============ */
.section{margin-top:56px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:24px;
}
.section-head h2{font-size:24px;}
.section-head .more{font-size:14px;font-weight:600;}
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh3);border-color:var(--c-line-strong);}
.card-thumb{position:relative;overflow:hidden;}
.card-thumb img{
  width:100%;aspect-ratio:16/10;object-fit:cover;background:#EAF0FE;
  transition:transform .3s var(--ease);
}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-thumb .badge{position:absolute;left:14px;top:14px;box-shadow:var(--sh1);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.card-body h3 a{color:var(--c-ink);}
.card-body h3 a:hover{color:var(--c-primary);}
.card-body p{font-size:14px;line-height:1.75;color:var(--c-body);margin:0 0 16px;}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:12.5px;color:var(--c-muted);
}
.card-foot .go{font-weight:600;color:var(--c-primary);font-size:13px;}

/* ============ 尾部导航条 ============ */
.article-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-top:20px;
}
.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;
}
.pager a{
  display:flex;align-items:flex-start;gap:12px;min-height:76px;
  padding:18px 20px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh1);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.pager a:hover{border-color:var(--c-primary);box-shadow:var(--sh2);transform:translateY(-2px);}
.pager i{margin-top:4px;color:var(--c-muted);}
.pager .label{font-size:12.5px;color:var(--c-muted);display:block;margin-bottom:6px;}
.pager .text{
  font-size:15px;font-weight:600;color:var(--c-ink-2);line-height:1.45;
  display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%;
}
.pager .align-right{text-align:right;}

/* ============ CTA ============ */
.cta-band{
  margin-top:56px;border-radius:20px;padding:40px;
  background:linear-gradient(120deg,#EAF0FE 0%,#FFFFFF 100%);
  border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;margin-bottom:10px;}
.cta-band p{margin:0;font-size:15px;max-width:560px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:56px 0 28px;margin-top:72px;}
.site-footer .row-gap{row-gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(140deg,#2FBFB6 0%,#2456D6 100%);}
.footer-brand .brand-line1{color:#fff;font-size:16px;font-weight:700;}
.footer-brand .brand-line2{color:rgba(255,255,255,.55);font-size:12px;letter-spacing:2px;}
.site-footer p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.66);margin:0 0 12px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list li a{
  font-size:13.5px;color:rgba(255,255,255,.72);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.footer-list li a:hover{color:#fff;border-bottom-color:var(--c-accent);}
.footer-social{display:flex;gap:10px;margin-top:6px;}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.78);font-size:15px;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.footer-social a:hover{background:rgba(47,191,182,.22);color:#fff;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .header-search{max-width:none;}
  .header-actions .header-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-nav{display:none;}
  .mobile-panel{
    display:none;padding:16px 0 20px;border-top:1px solid var(--c-line);margin-top:10px;
  }
  .site-header.nav-open .mobile-panel{display:block;}
  .mobile-panel .mobile-nav{margin-top:12px;}
  .header-main{padding-top:8px;padding-bottom:8px;}
  .header-inner{gap:14px;}
  .header-actions .btn{display:none;}
  .side-col{margin-top:24px;}
  .article-head h1{font-size:26px;}
  .article-panel{padding:28px 24px;}
  .article-body{font-size:17px;}
  .cta-band{padding:32px 24px;}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .brand-line1{font-size:15px;}
  .brand-line2{font-size:11px;letter-spacing:1px;}
  .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px;}
  .header-search{display:none;}
  .site-logo{flex:1 1 auto;}
  .article-head{padding:22px 18px;}
  .article-head h1{font-size:23px;margin:12px 0 14px;}
  .article-panel{padding:22px 18px;}
  .article-body{font-size:16.5px;line-height:1.85;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:18px;}
  .bc-current{max-width:150px;}
  .pager{grid-template-columns:1fr;}
  .cta-band{padding:26px 20px;}
  .cta-band h2{font-size:20px;}
  .cta-band .btn{width:100%;}
  .site-footer{padding:44px 0 24px;margin-top:48px;}
  .footer-bottom{justify-content:center;text-align:center;}
  .section-head{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --c-primary:#2456D6;
  --c-primary-700:#1B45B2;
  --c-primary-50:#EAF0FE;
  --c-ink:#141F4B;
  --c-ink-2:#3C4A72;
  --c-body:#5A6B8C;
  --c-muted:#8A99B8;
  --c-teal:#2FBFB6;
  --c-accent:#F2B93B;
  --c-bg:#F6F8FD;
  --c-surface:#FFFFFF;
  --c-line:#E3E9F6;
  --c-line-strong:#CFD9EE;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --r-badge:6px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,31,75,.05);
  --sh-2:0 6px 18px rgba(20,31,75,.07);
  --sh-3:0 14px 36px rgba(20,31,75,.10);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms var(--ease),background-color 180ms var(--ease),box-shadow 180ms var(--ease),transform 180ms var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(47,191,182,.35);
  border-radius:6px;
}
h1,h2,h3,h4{color:var(--c-ink);margin:0;font-weight:600;line-height:1.35;letter-spacing:.01em;}
h1{font-size:32px;line-height:1.32;}
h2{font-size:28px;line-height:1.36;}
h3{font-size:22px;line-height:1.4;}
h4{font-size:18px;line-height:1.45;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.row-gap{row-gap:32px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow 200ms var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-top{
  display:flex;align-items:center;gap:24px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary),#1E3288);
  color:#fff;font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-line1{font-size:17px;font-weight:700;color:var(--c-ink);}
.brand-line2{font-size:12px;color:var(--c-muted);letter-spacing:.14em;}
.header-search{flex:1 1 auto;max-width:560px;margin:0 auto;}
.search-form{
  display:flex;align-items:center;height:46px;
  border:1px solid #DCE4F5;border-radius:var(--r-pill);
  background:#fff;padding-left:16px;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.search-form:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,191,182,.30);}
.search-form > i{color:var(--c-muted);font-size:15px;margin-right:10px;}
.search-input{
  flex:1 1 auto;height:100%;min-width:0;
  border:0;background:transparent;outline:none;
  font-size:15px;color:var(--c-ink);font-family:inherit;
}
.search-input::placeholder{color:#98A6C4;}
.search-btn{
  height:36px;margin-right:5px;padding:0 20px;
  border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color 180ms var(--ease);
}
.search-btn:hover{background:var(--c-primary-700);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.header-link{font-size:14px;color:var(--c-ink-2);padding:6px 2px;}
.header-link:hover{color:var(--c-primary);box-shadow:inset 0 -2px 0 var(--c-accent);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);
  border-radius:10px;background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}
.header-navbar{border-top:1px solid var(--c-line);}
.header-nav ul{display:flex;align-items:center;gap:34px;height:54px;}
.header-nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;color:var(--c-ink-2);font-weight:500;
}
.header-nav a:hover{color:var(--c-primary);}
.header-nav a.is-active{color:var(--c-primary);font-weight:700;}
.header-nav a.is-active::after{
  content:"";position:absolute;left:0;bottom:-2px;
  width:20px;height:2px;border-radius:2px;background:var(--c-accent);
}
/* 移动端面板 */
.panel-mask{
  position:fixed;inset:0;background:rgba(20,31,75,.45);
  opacity:0;pointer-events:none;transition:opacity 220ms var(--ease);z-index:110;
}
.panel-mask.is-open{opacity:1;pointer-events:auto;}
.mobile-panel{
  position:fixed;top:0;right:0;width:min(86vw,344px);height:100%;
  background:#fff;z-index:120;padding:20px;
  transform:translateX(100%);transition:transform 280ms var(--ease);
  overflow-y:auto;box-shadow:-10px 0 34px rgba(20,31,75,.16);
}
.mobile-panel.is-open{transform:translateX(0);}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.mobile-panel-head .brand-line2{font-size:11px;}
.panel-close{
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;
  background:#fff;color:var(--c-ink-2);font-size:16px;cursor:pointer;
}
.mobile-search{margin-bottom:20px;}
.mobile-search .search-form{height:48px;}
.mobile-nav li{border-bottom:1px solid var(--c-line);}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:15px;color:var(--c-ink-2);
}
.mobile-nav a.is-active{color:var(--c-primary);font-weight:700;}
.mobile-nav a i{font-size:12px;color:var(--c-muted);}
.mobile-nav a:hover{background:#F4F8FF;color:var(--c-primary);}

/* ---------- 通用组件 ---------- */
.badge{
  display:inline-block;font-size:12px;line-height:18px;
  padding:4px 10px;border-radius:var(--r-badge);
  background:var(--c-primary-50);color:var(--c-primary);font-weight:600;
}
.badge-teal{background:rgba(47,191,182,.12);color:#1E8F88;}
.badge-accent{background:#fff;border:1px solid var(--c-accent);color:#9A6F0B;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  font-family:inherit;text-align:center;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);background:#173D9E;}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-50);color:var(--c-primary-700);border-color:var(--c-primary-700);}
.btn-outline:active{background:#DDE7FC;}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:24px;transition:transform 180ms var(--ease),box-shadow 180ms var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.media{
  position:relative;overflow:hidden;border-radius:var(--r-img);
  background:radial-gradient(circle at 20% 20%,#E6EEFF 0 1px,transparent 1px) 0 0/16px 16px,var(--c-primary-50);
}
.media img{width:100%;height:100%;object-fit:cover;display:block;}
.media-16x9{aspect-ratio:16/9;}
.media-4x3{aspect-ratio:4/3;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--c-primary);
  font-weight:600;margin-bottom:8px;
}
.section-desc{font-size:15px;color:var(--c-muted);margin:8px 0 0;max-width:640px;}
.section-link{font-size:14px;font-weight:600;color:var(--c-primary);white-space:nowrap;}
.section-link:hover{color:var(--c-primary-700);box-shadow:inset 0 -2px 0 var(--c-accent);}

/* ---------- 面包屑与首屏 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);padding:20px 0 0;}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-line-strong);}
.breadcrumb .current{color:var(--c-ink-2);font-weight:600;}
.page-hero{
  position:relative;
  padding:24px 0 72px;
  background:
    radial-gradient(circle at 12% 8%,rgba(36,86,214,.06) 0 2px,transparent 2px) 0 0/26px 26px,
    linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
}
.hero-row{margin-top:28px;}
.hero-copy h1{margin:16px 0 14px;}
.hero-sub{font-size:17px;color:var(--c-body);margin:0 0 24px;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:18px 8px;
}
.stat{flex:1 1 0;min-width:110px;padding:0 18px;border-right:1px solid var(--c-line);}
.stat:last-child{border-right:0;}
.stat-num{display:block;font-family:var(--font-num);font-size:24px;font-weight:600;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num small{font-size:13px;color:var(--c-muted);margin-left:3px;font-weight:500;}
.stat-label{display:block;font-size:13px;color:var(--c-muted);margin-top:4px;}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--sh-3);}
.hero-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.hero-float{
  position:absolute;right:18px;bottom:18px;
  background:#fff;border-radius:12px;padding:12px 16px;
  box-shadow:var(--sh-3);font-size:13px;color:var(--c-ink-2);
  display:flex;align-items:center;gap:10px;
}
.hero-float .dot{width:8px;height:8px;border-radius:50%;background:var(--c-teal);box-shadow:0 0 0 4px rgba(47,191,182,.18);}
.hero-float strong{font-family:var(--font-num);color:var(--c-ink);}

/* ---------- 正文与侧栏 ---------- */
.content-col{padding-right:8px;}
.content-block{margin-bottom:56px;}
.content-block:last-child{margin-bottom:0;}
.content-block > h2{position:relative;padding-left:16px;margin-bottom:18px;}
.content-block > h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;
  width:4px;border-radius:3px;background:var(--c-primary);
}
.content-block h3{margin:26px 0 10px;font-size:19px;color:var(--c-ink-2);}
.content-block p{font-size:16px;line-height:1.85;}
.bullet-list{margin:18px 0 20px;display:grid;gap:12px;}
.bullet-list li{
  position:relative;padding-left:26px;font-size:15.5px;line-height:1.8;color:var(--c-body);
}
.bullet-list li::before{
  content:"";position:absolute;left:6px;top:11px;
  width:8px;height:8px;border-radius:2px;
  background:var(--c-primary-50);border:2px solid var(--c-primary);
}
.bullet-list li strong{color:var(--c-ink);font-weight:600;}
.quote-note{
  background:var(--c-primary-50);border-left:3px solid var(--c-primary);
  border-radius:0 10px 10px 0;padding:16px 20px;font-size:15px;color:var(--c-ink-2);
  margin:22px 0;
}
.figure-caption{font-size:12.5px;color:var(--c-muted);margin-top:10px;}

.scene-list{display:grid;gap:14px;margin-top:20px;}
.scene-row{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
}
.scene-row:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:var(--c-line-strong);}
.scene-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;
  background:var(--c-primary-50);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.scene-body h4{font-size:16.5px;margin:0 0 4px;}
.scene-body p{font-size:14.5px;margin:0;color:var(--c-body);line-height:1.7;}

.step-list{margin-top:24px;}
.step-item{position:relative;display:flex;gap:20px;padding-bottom:30px;}
.step-item:last-child{padding-bottom:0;}
.step-item:not(:last-child)::before{
  content:"";position:absolute;left:19px;top:46px;bottom:6px;width:1px;background:var(--c-line);
}
.step-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  border:2px solid var(--c-primary);background:#fff;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:14px;font-weight:600;
}
.step-item:nth-child(1) .step-num{border-color:var(--c-accent);color:#9A6F0B;}
.step-body h4{margin:6px 0 6px;font-size:17px;}
.step-body p{margin:0;font-size:15px;line-height:1.8;}

.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0;}
.metric{
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  padding:20px;box-shadow:var(--sh-1);
}
.metric-num{
  font-family:var(--font-num);font-size:24px;font-weight:600;
  color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;
}
.metric-num small{font-size:13px;color:var(--c-muted);margin-left:3px;font-weight:500;}
.metric-label{font-size:13px;color:var(--c-muted);margin-top:6px;}

.progress-track{height:8px;border-radius:var(--r-pill);background:#E7EDFB;overflow:hidden;margin:12px 0 10px;}
.progress-fill{height:100%;width:72%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-primary),var(--c-teal));}
.progress-nodes{display:flex;justify-content:space-between;font-size:12.5px;color:var(--c-muted);}
.progress-nodes span::before{
  content:"";display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);margin-right:6px;vertical-align:middle;
}

/* ---------- 侧栏 ---------- */
.sticky-col{position:sticky;top:96px;display:grid;gap:24px;}
.quick-card{padding:26px 24px;}
.quick-card h3{font-size:18px;margin-bottom:6px;}
.quick-card .quick-desc{font-size:13.5px;color:var(--c-muted);margin:0 0 18px;}
.quick-list{display:grid;gap:0;margin-bottom:22px;}
.quick-list li{
  display:flex;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed var(--c-line);font-size:14.5px;
}
.quick-list li:last-child{border-bottom:0;}
.quick-list .k{color:var(--c-muted);flex:0 0 auto;}
.quick-list .v{color:var(--c-ink);font-weight:600;text-align:right;}
.cat-card{padding:22px 24px;}
.cat-card h4{font-size:15px;margin-bottom:12px;color:var(--c-ink);}
.cat-card ul{display:grid;gap:10px;}
.cat-card a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14.5px;color:var(--c-ink-2);padding:6px 0;
}
.cat-card a:hover{color:var(--c-primary);}
.cat-card a i{font-size:12px;color:var(--c-muted);}

/* ---------- 资源卡 ---------- */
.resource-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.resource-card{display:flex;flex-direction:column;padding:0;overflow:hidden;}
.resource-card .media{border-radius:0;aspect-ratio:16/9;}
.resource-body{padding:22px 24px 24px;}
.resource-body h3{font-size:19px;margin-bottom:10px;}
.resource-body p{font-size:14.5px;line-height:1.8;margin-bottom:16px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{border:0;background:transparent;margin:0;}
.accordion-item{border-bottom:1px solid var(--c-line);}
.accordion-item:first-child{border-top:1px solid var(--c-line);}
.accordion-title{
  display:block;position:relative;
  padding:22px 46px 22px 0;border:0;background:transparent;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6;
}
.accordion-title:hover{color:var(--c-primary);border:0;background:transparent;}
.accordion-title::before{
  content:"+";position:absolute;right:8px;top:50%;
  transform:translateY(-50%);font-size:20px;font-weight:400;
  color:var(--c-primary);line-height:1;transition:transform 180ms var(--ease);
}
.accordion-title[aria-expanded="true"]::before{content:"−";}
.accordion-content{
  padding:0 40px 22px 0;border:0;background:transparent;
  font-size:15px;line-height:1.85;color:var(--c-body);
}
.accordion-item.is-active > .accordion-content{display:block;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#EAF0FE 0%,#FFFFFF 100%);
  border:1px solid var(--c-line);border-radius:20px;
  padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{margin:0;font-size:15px;color:var(--c-body);max-width:620px;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:56px 0 24px;margin-top:88px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--c-primary),#2FBFB6);}
.footer-brand .brand-line1{color:#fff;font-size:17px;font-weight:700;display:block;line-height:1.15;}
.footer-brand .brand-line2{color:rgba(255,255,255,.6);font-size:12px;letter-spacing:.14em;display:block;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-list{display:grid;gap:10px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-list a:hover{color:#fff;box-shadow:inset 0 -2px 0 var(--c-accent);}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);font-size:14px;
}
.footer-social a:hover{background:rgba(255,255,255,.18);color:#fff;}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-search{display:none;}
  .header-navbar{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .header-link{display:none;}
  .section{padding:64px 0;}
  .content-col{padding-right:0;}
  .sticky-col{position:static;}
  .hero-copy h1{font-size:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;}
  h2{font-size:24px;}
}
@media (max-width:767px){
  .hero-stats{flex-direction:column;gap:0;padding:6px 0;}
  .stat{border-right:0;border-bottom:1px solid var(--c-line);padding:14px 20px;flex:1 1 auto;}
  .stat:last-child{border-bottom:0;}
  .metric-grid{grid-template-columns:1fr;}
  .resource-grid{grid-template-columns:1fr;}
  .hero-float{position:static;margin-top:14px;box-shadow:var(--sh-1);}
  .hero-visual img{aspect-ratio:16/9;}
}
@media (max-width:640px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  h1{font-size:24px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .hero-copy h1{font-size:24px;}
  .hero-sub{font-size:15.5px;}
  .header-top{min-height:60px;gap:12px;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .resource-body{padding:18px;}
  .card{padding:20px;}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center;}
}

/* roulang page: category2 */
:root{
  --c-primary:#2456D6;
  --c-primary-700:#1B45B2;
  --c-primary-50:#EAF0FE;
  --c-ink:#141F4B;
  --c-ink-2:#3C4A72;
  --c-body:#5A6B8C;
  --c-muted:#8A99B8;
  --c-teal:#2FBFB6;
  --c-accent:#F2B93B;
  --c-bg:#F6F8FD;
  --c-surface:#FFFFFF;
  --c-line:#E3E9F6;
  --c-line-strong:#CFD9EE;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter",system-ui,sans-serif;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(20,31,75,.05);
  --shadow-2:0 6px 18px rgba(20,31,75,.07);
  --shadow-3:0 14px 36px rgba(20,31,75,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;border-radius:var(--r-img);}
a{color:var(--c-primary);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);}
a:hover{color:var(--c-primary-700);}
button,input,select{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:600;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,191,182,.35);border-radius:6px;}
::selection{background:rgba(36,86,214,.16);}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.section{padding:88px 0 0;}
.section-inner{position:relative;}
.section-head{margin-bottom:32px;}
.section-head h2{font-size:28px;letter-spacing:-.01em;}
.section-head p{margin-top:10px;font-size:15px;color:var(--c-muted);max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary);background:var(--c-primary-50);
  padding:5px 12px;border-radius:6px;margin-bottom:14px;
}
.eyebrow i{font-size:11px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-2);}
.header-top{padding-top:14px;padding-bottom:14px;}
.header-inner{display:flex;align-items:center;gap:22px;min-height:48px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover .brand-line1{color:var(--c-primary);}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2F62E8,#1B45B2);
  color:#fff;font-weight:700;font-size:18px;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-line1{font-size:18px;font-weight:700;color:var(--c-ink);transition:color .18s var(--ease);}
.brand-line2{font-size:12px;color:var(--c-muted);letter-spacing:.16em;}
.header-search{flex:1 1 auto;max-width:560px;margin:0 auto;}
.search-form{
  position:relative;display:flex;align-items:center;
  height:46px;border:1px solid #DCE4F5;border-radius:999px;
  background:var(--c-surface);padding-left:16px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-form > i{color:var(--c-muted);font-size:15px;}
.search-form input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  padding:0 12px;color:var(--c-ink);outline:none;
}
.search-form input::placeholder{color:#98A6C4;}
.search-form:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,191,182,.35);}
.search-btn{
  height:36px;margin-right:5px;padding:0 20px;border:0;border-radius:999px;
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;
  transition:background-color .18s var(--ease);
}
.search-btn:hover{background:var(--c-primary-700);}
.search-btn:active{background:#163A96;}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.header-link{font-size:14px;font-weight:500;color:var(--c-ink-2);padding:8px 4px;}
.header-link:hover{color:var(--c-primary);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);
  border-radius:10px;background:#fff;color:var(--c-ink);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
.header-nav-wrap{border-top:1px solid var(--c-line);}
.header-nav ul{display:flex;flex-wrap:wrap;gap:6px;list-style:none;}
.header-nav a{
  position:relative;display:inline-flex;align-items:center;height:54px;
  padding:0 18px;font-size:15px;font-weight:500;color:var(--c-ink-2);
}
.header-nav a:hover{color:var(--c-primary);}
.header-nav a.is-active{color:var(--c-primary);font-weight:700;}
.header-nav a.is-active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:10px;height:2px;
  background:var(--c-accent);border-radius:2px;
}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{background:#163A96;transform:translateY(0);}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-50);color:var(--c-primary-700);}
.btn-outline:active{background:#DCE6FD;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn.is-disabled{opacity:.55;cursor:not-allowed;filter:saturate(40%);}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1.5;font-weight:600;
  padding:4px 10px;border-radius:6px;
}
.badge-blue{background:var(--c-primary-50);color:var(--c-primary);}
.badge-teal{background:rgba(47,191,182,.12);color:#1F9E96;}
.badge-accent{background:#fff;color:#9A6C05;border:1px solid var(--c-accent);}
.badge-soft{background:#EEF2FB;color:var(--c-ink-2);}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--c-muted);padding:26px 0 0;
}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C3CDE4;}
.breadcrumb .current{color:var(--c-ink-2);}

/* ============ 宽幅 KV ============ */
.cat-hero{padding-top:22px;}
.hero-box{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#EDF3FF 0%,#F7FAFF 58%,#FFFFFF 100%);
  border:1px solid var(--c-line);border-radius:20px;
  padding:40px 32px;box-shadow:var(--shadow-1);
}
.hero-box::after{
  content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(36,86,214,.10) 0 2px,transparent 3px);
  background-size:22px 22px;opacity:.7;pointer-events:none;
}
.hero-box h1{
  font-size:32px;line-height:1.3;letter-spacing:-.01em;margin-top:4px;position:relative;z-index:2;
}
.hero-lead{margin-top:14px;font-size:16px;color:var(--c-body);max-width:520px;position:relative;z-index:2;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:30px;position:relative;z-index:2;
}
.hero-stats li{
  list-style:none;padding:0 26px 0 0;margin-right:26px;
  border-right:1px solid var(--c-line);
}
.hero-stats li:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-stats strong{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:24px;font-weight:700;color:var(--c-primary);line-height:1.2;
}
.hero-stats span{font-size:13px;color:var(--c-muted);}
.hero-media{position:relative;z-index:2;}
.hero-media img{
  width:100%;height:250px;object-fit:cover;border-radius:16px;
  box-shadow:var(--shadow-3);border:1px solid rgba(255,255,255,.7);
}

/* ============ 不等宽卡片 ============ */
.cat-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:var(--c-line-strong);}
.cat-card img{width:100%;height:190px;margin-bottom:18px;}
.cat-card.is-large img{height:220px;}
.cat-card h3{font-size:20px;margin:12px 0 10px;}
.cat-card p{font-size:15px;color:var(--c-body);}
.cat-card ul.points{list-style:none;margin:16px 0 0;}
.cat-card ul.points li{
  position:relative;padding-left:20px;font-size:14px;color:var(--c-ink-2);
  margin-bottom:8px;
}
.cat-card ul.points li::before{
  content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--c-teal);
}
.cat-card .card-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line);}
.cat-card .card-foot a{font-size:14px;font-weight:600;}
.cat-card .card-foot a i{margin-left:6px;font-size:12px;}

/* ============ 时间线 ============ */
.rhythm-band{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:20px;padding:44px 36px;box-shadow:var(--shadow-1);
}
.timeline{position:relative;margin-top:28px;padding-left:30px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--c-line-strong);
}
.timeline-item{position:relative;padding-bottom:28px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-30px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);box-sizing:border-box;
}
.timeline-item.is-now::before{border-color:var(--c-accent);}
.timeline-time{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.timeline-item h4{font-size:17px;margin:6px 0 6px;}
.timeline-item p{font-size:14.5px;color:var(--c-body);max-width:640px;}

/* ============ 列表行 ============ */
.row-list{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
}
.row-item{
  display:flex;align-items:center;gap:18px;
  padding:18px 24px;border-bottom:1px solid var(--c-line);
  transition:background-color .18s var(--ease);
}
.row-item:last-child{border-bottom:0;}
.row-item:hover{background:#F4F8FF;}
.row-time{
  flex:0 0 96px;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:14px;color:var(--c-muted);
}
.row-main{flex:1 1 auto;min-width:0;}
.row-main a{display:block;font-size:16px;font-weight:600;color:var(--c-ink);}
.row-main a:hover{color:var(--c-primary);}
.row-main span{display:block;font-size:13.5px;color:var(--c-muted);margin-top:4px;}
.row-tag{flex:0 0 auto;}

/* ============ 深色指标带 ============ */
.metric-band{
  background:linear-gradient(120deg,#141F4B 0%,#1E3288 100%);
  border-radius:20px;padding:44px 36px;color:rgba(255,255,255,.78);
  position:relative;overflow:hidden;
}
.metric-band::after{
  content:"";position:absolute;left:0;right:0;top:0;bottom:0;
  background:radial-gradient(circle,rgba(255,255,255,.10) 0 1.5px,transparent 2px);
  background-size:26px 26px;opacity:.5;pointer-events:none;
}
.metric-band h2{color:#fff;font-size:26px;position:relative;z-index:2;}
.metric-band .band-lead{margin-top:12px;font-size:15px;max-width:640px;position:relative;z-index:2;}
.metric-grid{margin-top:32px;position:relative;z-index:2;}
.metric-item{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:22px;height:100%;
}
.metric-item strong{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:700;color:#fff;line-height:1.15;
}
.metric-item strong em{font-style:normal;font-size:15px;color:var(--c-teal);margin-left:4px;}
.metric-item span{display:block;margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.7);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-accordion{border:0;background:transparent;}
.faq-accordion .accordion-item{border-bottom:1px solid var(--c-line);background:transparent;}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--c-line);}
.faq-accordion .accordion-title{
  position:relative;display:block;padding:22px 46px 22px 0;
  font-size:16px;font-weight:600;color:var(--c-ink);
  background:transparent;border:0;
}
.faq-accordion .accordion-title:hover{color:var(--c-primary);background:transparent;}
.faq-accordion .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--c-primary);
  transition:transform .18s var(--ease);
}
.faq-accordion .accordion-item.is-active .accordion-title::before{
  content:"\f068";transform:translateY(-50%) rotate(180deg);
}
.faq-accordion .accordion-content{
  padding:0 18px 22px;background:#F8FAFE;border:0;
  border-radius:0 0 10px 10px;color:var(--c-body);font-size:15px;
}

/* ============ CTA ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:linear-gradient(110deg,#EAF0FE 0%,#F7FAFF 55%,#FFFFFF 100%);
  border:1px solid var(--c-line);border-radius:20px;
  padding:44px 40px;box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:26px;}
.cta-band p{margin-top:12px;font-size:15px;color:var(--c-body);max-width:560px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;background:var(--c-ink);color:rgba(255,255,255,.72);
  padding:56px 0 0;
}
.site-footer .row-gap > [class*="cell"]{margin-bottom:30px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.site-footer .brand-mark{background:linear-gradient(135deg,#3C6BEA,#2FBFB6);}
.site-footer .brand-line1{color:#fff;}
.site-footer .brand-line2{color:rgba(255,255,255,.6);}
.site-footer p{font-size:14px;line-height:1.75;margin-bottom:14px;}
.footer-title{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;}
.footer-list{list-style:none;}
.footer-list li{margin-bottom:10px;}
.footer-list a{
  color:rgba(255,255,255,.72);font-size:14px;
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.footer-list a:hover{color:#fff;border-bottom-color:var(--c-accent);}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:#fff;font-size:14px;
  transition:background-color .18s var(--ease),transform .18s var(--ease);
}
.footer-social a:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px);}
.footer-bottom{
  margin-top:26px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 移动端抽屉 ============ */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(20,31,75,.42);
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);
  z-index:90;
}
.drawer-overlay.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;
  background:#fff;z-index:95;padding:20px;
  transform:translateX(100%);transition:transform .24s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);display:grid;place-items:center;
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary);}
.drawer-search{height:48px;margin-bottom:20px;}
.drawer-search .search-btn{display:none;}
.drawer-nav{list-style:none;}
.drawer-nav li{border-bottom:1px solid var(--c-line);}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:15px;font-weight:500;color:var(--c-ink-2);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--c-primary);}
.drawer-nav a i{font-size:12px;color:var(--c-muted);}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .header-nav-wrap{display:none;}
  .header-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-search{max-width:none;}
  .hero-box{padding:32px 24px;}
  .hero-box h1{font-size:26px;}
  .hero-media img{height:220px;margin-top:26px;}
  .section{padding:64px 0 0;}
  .metric-band,.rhythm-band{padding:32px 24px;}
  .cta-band{padding:32px 24px;}
  .site-footer{margin-top:64px;}
  .section-head h2{font-size:24px;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .header-search{display:none;}
  .header-inner{gap:12px;}
  .hero-box h1{font-size:24px;}
  .hero-stats li{padding-right:18px;margin-right:18px;}
  .hero-stats strong{font-size:20px;}
  .cat-card img,.cat-card.is-large img{height:180px;}
  .row-item{flex-wrap:wrap;gap:8px;padding:16px;align-items:flex-start;}
  .row-time{flex:0 0 100%;}
  .row-tag{order:3;}
  .timeline{padding-left:26px;}
  .metric-item{padding:18px;}
  .metric-item strong{font-size:24px;}
  .cta-band{padding:26px 20px;}
  .cta-band h2{font-size:22px;}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center;}
  .faq-accordion .accordion-title{font-size:15px;padding:18px 40px 18px 0;}
}
@media screen and (max-width:519px){
  .brand-line1{font-size:16px;}
  .brand-mark{width:38px;height:38px;font-size:16px;}
  .hero-stats{gap:16px 0;}
  .hero-stats li{flex:1 1 100%;border-right:0;padding-right:0;margin-right:0;display:flex;align-items:baseline;gap:10px;}
  .hero-stats strong{font-size:20px;}
  .btn{width:100%;}
  .btn-row{gap:10px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#2456D6;
  --c-primary-700:#1B45B2;
  --c-primary-50:#EAF0FE;
  --c-ink:#141F4B;
  --c-ink-2:#3C4A72;
  --c-body:#5A6B8C;
  --c-muted:#8A99B8;
  --c-teal:#2FBFB6;
  --c-accent:#F2B93B;
  --c-bg:#F6F8FD;
  --c-surface:#FFFFFF;
  --c-line:#E3E9F6;
  --c-line-strong:#CFD9EE;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(20,31,75,.05);
  --shadow-2:0 6px 18px rgba(20,31,75,.07);
  --shadow-3:0 14px 36px rgba(20,31,75,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--c-primary-700)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3}
input,button,select,textarea{font-family:inherit;font-size:inherit}
::selection{background:rgba(36,86,214,.16)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 18px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0;color:#fff}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
@media (max-width:640px){.grid-container{padding-left:16px;padding-right:16px}}
.section{padding:88px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:28px;line-height:1.35;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--c-body);margin:0}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.05em;color:var(--c-primary);background:var(--c-primary-50);border-radius:var(--radius-badge);padding:4px 10px;margin-bottom:14px}
.divider-line{width:40px;height:3px;border-radius:2px;background:var(--c-teal);margin:18px auto 0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:all .18s var(--ease);
  min-width:44px;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,191,182,.35)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{background:var(--c-primary-700);transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-50);color:var(--c-primary-700)}
.btn-ghost:active{background:#DDE7FC}
.btn-sm{height:42px;padding:0 18px;font-size:14px}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--shadow-2)}
.header-inner{display:flex;align-items:center;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,#2456D6 0%,#1B45B2 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:0;
  box-shadow:0 4px 12px rgba(36,86,214,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-line1{font-size:16px;font-weight:700;color:var(--c-ink)}
.brand-line2{font-size:12px;color:var(--c-muted);letter-spacing:.08em}
.header-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:560px;height:46px;
  border:1px solid #DCE4F5;border-radius:var(--radius-pill);
  background:#fff;padding:0 6px 0 44px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.header-search .fa-magnifying-glass{position:absolute;left:17px;color:var(--c-muted);font-size:14px}
.header-search input{
  flex:1 1 auto;border:0;outline:0;background:transparent;
  height:100%;font-size:14.5px;color:var(--c-ink);
}
.header-search input::placeholder{color:#98A6C4}
.header-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,191,182,.35)}
.search-btn{
  height:36px;padding:0 18px;border:0;border-radius:var(--radius-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .18s var(--ease);
}
.search-btn:hover{background:var(--c-primary-700)}
.search-btn:active{background:var(--c-primary-700)}
.search-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,191,182,.45)}
.header-cta{flex:0 0 auto}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--c-line-strong);border-radius:12px;
  background:#fff;color:var(--c-ink);cursor:pointer;font-size:17px;
  transition:all .18s var(--ease);
}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.menu-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,191,182,.35)}
.header-nav{border-top:1px solid var(--c-line)}
.header-nav ul{display:flex;gap:34px;flex-wrap:wrap}
.header-nav a{
  display:inline-block;position:relative;padding:13px 0 15px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
}
.header-nav a:hover{color:var(--c-primary)}
.header-nav a.is-active{color:var(--c-primary);font-weight:700}
.header-nav a.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:7px;width:20px;height:2px;border-radius:2px;background:var(--c-accent);
}
.mobile-panel{
  display:none;border-top:1px solid var(--c-line);
  background:#fff;padding:16px 24px 24px;
}
.mobile-panel.is-open{display:block}
.mobile-search{
  position:relative;display:flex;align-items:center;height:48px;
  border:1px solid #DCE4F5;border-radius:var(--radius-pill);
  padding-left:42px;margin-bottom:14px;background:#fff;
}
.mobile-search .fa-magnifying-glass{position:absolute;left:16px;color:var(--c-muted);font-size:14px}
.mobile-search input{flex:1;border:0;outline:0;background:transparent;height:100%;font-size:15px;color:var(--c-ink)}
.mobile-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,191,182,.35)}
.mobile-nav li{border-bottom:1px solid var(--c-line)}
.mobile-nav li:last-child{border-bottom:0}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;font-size:15px;color:var(--c-ink-2);font-weight:500;
}
.mobile-nav a.is-active{color:var(--c-primary);font-weight:700}
.mobile-nav a::after{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;color:var(--c-muted)}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:44px 0 72px;
  background:linear-gradient(180deg,#EAF0FE 0%,rgba(246,248,253,0) 100%);
  text-align:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 12% 24%,rgba(36,86,214,.10) 0 1.5px,transparent 1.6px),
    radial-gradient(circle at 78% 16%,rgba(36,86,214,.08) 0 1.5px,transparent 1.6px),
    radial-gradient(circle at 62% 72%,rgba(47,191,182,.10) 0 1.5px,transparent 1.6px),
    radial-gradient(circle at 30% 80%,rgba(36,86,214,.07) 0 1.5px,transparent 1.6px);
  background-size:220px 220px,320px 320px,260px 260px,380px 380px;
}
.page-hero .grid-container{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;justify-content:center;gap:10px;
  font-size:13px;color:var(--c-muted);margin-bottom:26px;
}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .current{color:var(--c-ink-2);font-weight:600}
.hero-title{
  font-size:36px;line-height:1.32;max-width:760px;margin:0 auto 18px;
  letter-spacing:-.01em;
}
.hero-sub{font-size:16.5px;max-width:680px;margin:0 auto 30px;color:var(--c-body)}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.stat-row{display:flex;justify-content:center;margin-top:44px;flex-wrap:wrap;row-gap:20px}
.stat-item{padding:0 34px;border-left:1px solid var(--c-line);text-align:center;min-width:150px}
.stat-item:first-child{border-left:0}
.stat-num{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:24px;font-weight:700;color:var(--c-primary);line-height:1.4;
}
.stat-label{font-size:13px;color:var(--c-muted)}

/* ============ 筛选胶囊 ============ */
.filter-bar{
  display:flex;justify-content:center;gap:12px;
  overflow-x:auto;padding:4px 4px 20px;margin-bottom:12px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:44px;padding:0 20px;
  border:1px solid var(--c-line-strong);border-radius:var(--radius-pill);
  background:#fff;color:var(--c-ink-2);font-size:14px;font-weight:500;
  cursor:pointer;transition:all .18s var(--ease);white-space:nowrap;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,191,182,.35)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.chip.is-active:hover{background:var(--c-primary-700);color:#fff}

/* ============ 活动卡片 ============ */
.card-grid{margin-top:8px}
.act-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.act-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:var(--c-line-strong)}
.act-card-media{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#EAF0FE,#F6F8FD)}
.act-card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s var(--ease)}
.act-card:hover .act-card-media img{transform:scale(1.04)}
.act-card-media .badge{
  position:absolute;left:12px;top:12px;
  background:rgba(255,255,255,.94);color:var(--c-primary);
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 10px;border-radius:var(--radius-badge);
  border:1px solid rgba(36,86,214,.18);
  box-shadow:var(--shadow-1);
}
.act-card-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto}
.act-card-body h3{font-size:18px;line-height:1.45;margin-bottom:10px}
.act-card-body h3 a{color:var(--c-ink)}
.act-card-body h3 a:hover{color:var(--c-primary)}
.act-card-body p{font-size:14.5px;line-height:1.7;color:var(--c-body);margin-bottom:16px;flex:1 1 auto}
.act-card-meta{
  display:flex;align-items:center;gap:8px;
  padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums;
}
.act-card-meta i{color:var(--c-primary);font-size:12px}

/* ============ 说明要点 ============ */
.section-points{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.point-card{
  height:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-card);padding:28px 24px;box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3)}
.point-icon{
  width:48px;height:48px;border-radius:14px;background:var(--c-primary-50);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  font-size:19px;margin-bottom:18px;
}
.point-card h3{font-size:19px;margin-bottom:10px}
.point-card p{font-size:14.5px;line-height:1.75;margin:0}

/* ============ 参与流程 ============ */
.flow-wrap{max-width:820px;margin:0 auto}
.flow-list{position:relative;padding-left:34px}
.flow-list::before{
  content:"";position:absolute;left:11px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--c-primary) 0%,var(--c-teal) 100%);
  border-radius:2px;opacity:.35;
}
.flow-item{position:relative;padding:0 0 30px}
.flow-item:last-child{padding-bottom:0}
.flow-item::before{
  content:"";position:absolute;left:-34px;top:6px;
  width:24px;height:24px;border-radius:50%;
  background:#fff;border:2px solid var(--c-accent);
  box-shadow:0 0 0 4px rgba(242,185,59,.14);
}
.flow-item h3{font-size:19px;margin-bottom:8px}
.flow-item h3 .flow-index{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:14px;font-weight:700;color:var(--c-primary);
  margin-right:10px;letter-spacing:.04em;
}
.flow-item p{font-size:15px;margin:0;max-width:640px}

/* ============ 常见问题 ============ */
.section-faq{background:#fff;border-top:1px solid var(--c-line)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq .accordion{border:0;background:transparent;margin:0}
.faq .accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent}
.faq .accordion-item:first-child{border-top:1px solid var(--c-line)}
.faq .accordion-title{
  display:block;border:0;background:transparent;
  padding:22px 48px 22px 0;position:relative;
  font-size:16.5px;font-weight:600;color:var(--c-ink);line-height:1.5;
  transition:color .18s var(--ease);
}
.faq .accordion-title:hover{color:var(--c-primary)}
.faq .accordion-title:focus{outline:none;box-shadow:0 0 0 3px rgba(47,191,182,.35);border-radius:8px}
.faq .accordion-title::before{
  content:"+";position:absolute;right:14px;top:50%;
  transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--c-primary);
  transition:transform .18s var(--ease);width:auto;height:auto;background:none;margin:0;
}
.faq .accordion-item.is-active .accordion-title{color:var(--c-primary)}
.faq .accordion-item.is-active .accordion-title::before{content:"\2212"}
.faq .accordion-content{
  background:#F8FAFE;border:0;border-radius:10px;
  padding:18px 20px;margin-bottom:18px;
  font-size:15px;line-height:1.8;color:var(--c-body);
}
.faq .accordion-content p{margin:0}

/* ============ 底部 CTA ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:linear-gradient(120deg,#EAF0FE 0%,#FFFFFF 78%);
  border:1px solid var(--c-line);border-radius:20px;
  padding:48px 52px;box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:26px;line-height:1.4;margin-bottom:10px}
.cta-band p{font-size:15.5px;margin:0;max-width:560px}
.cta-band .btn{flex:0 0 auto}
.back-home{text-align:center;margin-top:34px;font-size:15px}
.back-home a{display:inline-flex;align-items:center;gap:8px;font-weight:600}
.back-home a:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,191,182,.35);border-radius:6px}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.75);padding:56px 0 28px;margin-top:88px}
.site-footer .row-gap{row-gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.site-footer .brand-mark{background:linear-gradient(135deg,#2FBFB6 0%,#2456D6 100%);box-shadow:none}
.site-footer .brand-line1{color:#fff}
.site-footer .brand-line2{color:rgba(255,255,255,.55)}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72)}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.78);font-size:15px;
  transition:all .18s var(--ease);
}
.footer-social a:hover{background:rgba(242,185,59,.9);color:#141F4B;transform:translateY(-2px)}
.footer-social a:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,191,182,.5)}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-list li{margin-bottom:10px}
.footer-list a{
  font-size:14px;color:rgba(255,255,255,.72);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:all .18s var(--ease);
}
.footer-list a:hover{color:#fff;border-bottom-color:var(--c-accent)}
.footer-list a:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,191,182,.5);border-radius:4px}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .header-search{display:none}
  .header-nav{display:none}
  .header-cta{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{height:60px;gap:12px;justify-content:space-between}
  .section{padding:64px 0}
  .hero-title{font-size:30px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;gap:22px}
  .site-footer{margin-top:64px}
}
@media (max-width:767px){
  .filter-bar{justify-content:flex-start}
  .stat-item{padding:0 22px;min-width:120px}
  .stat-num{font-size:21px}
  .section-head h2{font-size:23px}
  .flow-list{padding-left:28px}
  .flow-item::before{left:-28px;width:20px;height:20px}
}
@media (max-width:639px){
  .section{padding:48px 0}
  .page-hero{padding:26px 0 52px}
  .hero-title{font-size:24px;line-height:1.4}
  .hero-sub{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stat-row{margin-top:32px}
  .stat-item{flex:1 1 50%;border-left:0;padding:0 8px}
  .stat-item:first-child{border-left:0}
  .cta-band{padding:30px 20px}
  .cta-band h2{font-size:21px}
  .cta-band .btn{width:100%}
  .faq .accordion-title{font-size:15.5px;padding:18px 42px 18px 0}
}