/* roulang page: index */
:root{
  --c-primary:#0FA47F;
  --c-primary-deep:#0A7A5E;
  --c-primary-soft:#E7F6F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFF0E8;
  --c-gold:#FFC24B;
  --c-bg:#F6F8F7;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFF6F3;
  --c-line:#E2EAE6;
  --c-ink:#10231C;
  --c-muted:#5F6F69;
  --c-invert:#FFFFFF;
  --grad-main:linear-gradient(118deg,#0A7A5E 0%,#0FA47F 48%,#2FC9A6 100%);
  --grad-cta:linear-gradient(118deg,#FF7A45,#FFA05C);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,35,28,.05),0 8px 24px rgba(16,35,28,.06);
  --sh-2:0 2px 4px rgba(16,35,28,.06),0 16px 40px rgba(16,35,28,.10);
  --sh-focus:0 0 0 4px rgba(15,164,127,.18);
  --t:200ms cubic-bezier(.2,.8,.2,1);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--c-primary-soft);color:var(--c-primary-deep)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:var(--r-sm)}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec) 0}
.section-tight{padding:calc(var(--sec) * .72) 0}
.eyebrow{display:inline-block;font-size:13.5px;font-weight:600;color:var(--c-primary-deep);background:var(--c-primary-soft);border-radius:var(--r-pill);padding:4px 14px;margin-bottom:16px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:28px;line-height:1.3;font-weight:800;letter-spacing:-.01em;margin-bottom:10px}
.section-head p{font-size:15.5px;color:var(--c-muted);max-width:680px;margin:0}
.divider{height:1px;background:var(--c-line);border:0;margin:0}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-pill);font-size:16px;font-weight:600;border:1.5px solid transparent;transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t);white-space:nowrap}
.btn-cta{background:var(--grad-cta);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.26)}
.btn-cta:hover{transform:translateY(-1px);background:linear-gradient(126deg,#FF7A45,#FFA05C);box-shadow:0 14px 30px rgba(255,122,69,.32)}
.btn-cta:active{transform:translateY(1px)}
.btn-outline{background:var(--c-surface);color:var(--c-primary-deep);border-color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.18)}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary-deep);transition:color var(--t)}
.text-link .arrow{display:inline-block;transition:transform var(--t)}
.text-link:hover{color:var(--c-primary)}
.text-link:hover .arrow{transform:translateX(3px)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:120;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t)}
.site-header.scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height var(--t)}
.site-header.scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;min-width:200px}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--grad-main);display:grid;place-items:center;flex:0 0 auto;box-shadow:var(--sh-1)}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:21px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--c-ink)}
.brand-sub{font-size:9.5px;font-weight:600;color:var(--c-muted);letter-spacing:0}
.nav-search{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:520px;height:48px;padding:0 6px 0 16px;background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-pill);transition:border-color 160ms ease,box-shadow 160ms ease}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:var(--sh-focus)}
.nav-search .icon{width:18px;height:18px;flex:0 0 auto;color:var(--c-muted)}
.nav-search input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;font-size:15px;padding:0 12px}
.nav-search input::placeholder{color:#9AA8A3}
.nav-search input:focus-visible{box-shadow:none}
.nav-search button{flex:0 0 auto;height:36px;min-width:64px;padding:0 16px;border-radius:var(--r-pill);background:var(--grad-main);color:#fff;font-size:14px;font-weight:600;transition:var(--t)}
.nav-search button:hover{filter:brightness(1.05)}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{position:relative;font-size:15px;color:var(--c-muted);padding:6px 0;transition:color var(--t)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--c-primary);transform:scaleX(0);transition:transform var(--t)}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-ink);font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-sm);align-items:center;justify-content:center;flex-direction:column;gap:5px;margin-left:auto}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:var(--t)}
.nav-search-mobile{display:none;padding:0 0 12px}
.nav-search-mobile .nav-search{max-width:none;height:44px}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:200;background:var(--c-surface);transform:translateX(100%);transition:transform 260ms cubic-bezier(.2,.8,.2,1);display:flex;flex-direction:column;padding:20px 20px 28px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.drawer-close{width:44px;height:44px;border-radius:var(--r-sm);background:var(--c-surface-2);display:grid;place-items:center;font-size:20px;color:var(--c-muted)}
.drawer-list{margin-top:24px;display:flex;flex-direction:column}
.drawer-list a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 4px;border-bottom:1px solid var(--c-line);font-size:16px;color:var(--c-ink)}
.drawer-list a .arrow{color:var(--c-muted);transition:transform var(--t)}
.drawer-list a:hover .arrow{transform:translateX(4px)}
.drawer-cta{margin-top:28px}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--grad-main);color:#fff;padding:72px 0 88px}
.hero::before{content:"";position:absolute;top:-220px;right:-160px;width:760px;height:760px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.30) 0%,rgba(255,255,255,0) 62%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);background-size:26px 26px;opacity:.06;pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;min-height:520px}
.hero-eyebrow{display:inline-block;font-size:13.5px;font-weight:600;padding:5px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);margin-bottom:20px}
.hero h1{font-size:40px;line-height:1.2;font-weight:800;letter-spacing:-.01em;margin-bottom:18px;max-width:14em}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.88);max-width:540px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-stats li{display:flex;align-items:center;gap:8px;height:36px;padding:0 18px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26)}
.hero-stats .num{font-size:18px;font-weight:700}
.hero-stats .lbl{font-size:13.5px;color:rgba(255,255,255,.82)}
.hero-media{position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/3;box-shadow:0 24px 60px rgba(6,45,33,.32);background:rgba(255,255,255,.12)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-badge{position:absolute;top:20px;right:20px;display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;border-radius:var(--r-pill);background:rgba(255,247,227,.96);color:#8A6100;border:1px solid rgba(255,194,75,.55);font-size:13.5px;font-weight:700}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:28px 24px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--grad-main);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;margin-bottom:18px}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step-card p{font-size:14.5px;line-height:1.7;color:var(--c-muted)}

/* 权益卡 */
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.benefit-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.benefit-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.benefit-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2)}
.benefit-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.benefit-card:hover .benefit-media img{transform:scale(1.03)}
.benefit-body{display:flex;flex-direction:column;gap:14px;padding:26px 24px 28px;flex:1}
.badge-gold{align-self:flex-start;display:inline-block;font-size:13px;font-weight:700;padding:4px 12px;border-radius:var(--r-pill);background:#FFF7E3;color:#8A6100;border:1px solid rgba(255,194,75,.5)}
.benefit-body h3{font-size:19px;font-weight:700;line-height:1.5}
.benefit-body p{font-size:14.8px;line-height:1.8;color:var(--c-muted)}
.benefit-body .text-link{margin-top:auto}

/* 里程碑 */
.milestone-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:40px;box-shadow:var(--sh-1)}
.milestone-top{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.milestone-top strong{font-size:16px;font-weight:700}
.milestone-top span{font-size:13.5px;color:var(--c-muted)}
.progress-track{height:10px;border-radius:var(--r-pill);background:var(--c-surface-2);position:relative}
.progress-fill{position:relative;height:100%;width:66%;border-radius:var(--r-pill);background:var(--grad-main)}
.progress-fill::after{content:"";position:absolute;right:0;top:50%;width:14px;height:14px;border-radius:50%;background:#fff;transform:translate(50%,-50%);box-shadow:0 0 0 4px rgba(15,164,127,.18)}
.milestone-nodes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}
.node{display:flex;gap:12px;align-items:flex-start}
.node-dot{flex:0 0 auto;width:20px;height:20px;margin-top:6px;border-radius:50%;background:var(--c-gold);border:3px solid var(--c-surface);box-shadow:var(--sh-1)}
.node.done .node-dot{background:var(--c-primary)}
.node-name{display:block;font-size:15px;font-weight:700}
.node-desc{display:block;font-size:13.5px;color:var(--c-muted)}

/* 资讯卡 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);min-height:260px;transition:transform var(--t),box-shadow var(--t)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-link{display:flex;flex-direction:column;height:100%}
.news-cover{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.tag{display:inline-block;align-self:flex-start;font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary-deep)}
.news-body h3{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-summary{font-size:14.5px;line-height:1.72;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line)}
.news-foot time{font-size:13.5px;color:var(--c-muted)}
.empty-state{grid-column:1/-1;min-height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;background:var(--c-surface-2);border:1px dashed var(--c-line);border-radius:var(--r-md);padding:36px 20px}
.empty-state svg{width:40px;height:40px;color:var(--c-primary)}
.empty-state p{font-size:15px;color:var(--c-muted)}

/* 分类矩阵 */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{display:flex;flex-direction:column;gap:12px;background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-md);padding:26px 24px;transition:transform var(--t),box-shadow var(--t),background var(--t)}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);background:var(--c-surface)}
.cat-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.cat-icon{width:40px;height:40px;border-radius:12px;background:var(--c-surface);display:grid;place-items:center;color:var(--c-primary-deep);box-shadow:var(--sh-1)}
.cat-icon svg{width:20px;height:20px}
.cat-count{font-size:13px;font-weight:700;color:var(--c-primary-deep);background:var(--c-primary-soft);border-radius:var(--r-pill);padding:3px 12px}
.cat-card h3{font-size:18px;font-weight:700}
.cat-card p{font-size:14.5px;line-height:1.75;color:var(--c-muted)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--t)}
.faq-item.open{border-color:rgba(15,164,127,.45)}
.faq-q{width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);transition:color var(--t)}
.faq-q:hover{color:var(--c-primary-deep)}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px}
.faq-icon::before{content:"";position:absolute;left:0;top:50%;width:20px;height:2px;border-radius:2px;background:var(--c-primary);transform:translateY(-50%)}
.faq-icon::after{content:"";position:absolute;left:50%;top:0;width:2px;height:20px;border-radius:2px;background:var(--c-primary);transform:translateX(-50%);transition:transform 220ms cubic-bezier(.2,.8,.2,1)}
.faq-item.open .faq-icon::after{transform:translateX(-50%) scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms cubic-bezier(.2,.8,.2,1)}
.faq-a-inner{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--c-muted)}

/* CTA */
.cta-band{position:relative;overflow:hidden;background:var(--grad-main);border-radius:var(--r-lg);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;flex-wrap:wrap}
.cta-band::before{content:"";position:absolute;top:-140px;right:-100px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.26) 0%,rgba(255,255,255,0) 62%);pointer-events:none}
.cta-copy{position:relative;z-index:1;max-width:640px}
.cta-copy h2{font-size:26px;line-height:1.35;font-weight:800;margin-bottom:10px}
.cta-copy p{font-size:15.5px;color:rgba(255,255,255,.86)}
.cta-band .btn{position:relative;z-index:1}

/* 页脚 */
.site-footer{position:relative;margin-top:var(--sec);background:#0F2A22;color:rgba(255,255,255,.72)}
.site-footer::before{content:"";display:block;height:4px;background:var(--grad-main)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.62)}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#fff;margin-bottom:18px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px;transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 40px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}

@media (max-width:1279px){
  .container{max-width:96%}
  .hero h1{font-size:36px}
}
@media (max-width:1023px){
  :root{--sec:64px}
  .container{padding:0 24px}
  .nav-search{display:none}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:64px;gap:16px}
  .nav-search-mobile{display:block}
  .brand{min-width:0}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0}
  .hero h1{font-size:32px}
  .hero-media{max-width:560px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .benefit-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .milestone-nodes{grid-template-columns:1fr;gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec:48px}
  .container{padding:0 16px}
  body{font-size:16px;line-height:1.8}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:22px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-media{aspect-ratio:16/10}
  .steps,.benefit-grid,.news-grid,.cat-grid{grid-template-columns:1fr}
  .milestone-card{padding:24px}
  .cta-band{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .cta-copy h2{font-size:22px}
  .faq-q{padding:12px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px}
  .footer-bottom{padding:18px 0 32px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .brand-main{font-size:19px}
  .brand-sub{font-size:9px}
}
@media (max-width:400px){
  .hero-actions .btn{width:100%}
  .hero-stats li{height:34px;padding:0 14px}
  .cta-band .btn{width:100%}
}

/* roulang page: article */
:root{
  --c-primary:#0FA47F;
  --c-primary-deep:#0A7A5E;
  --c-primary-soft:#E7F6F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFF0E8;
  --c-gold:#FFC24B;
  --c-bg:#F6F8F7;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFF6F3;
  --c-line:#E2EAE6;
  --c-ink:#10231C;
  --c-muted:#5F6F69;
  --c-invert:#FFFFFF;
  --g-main:linear-gradient(118deg,#0A7A5E 0%,#0FA47F 48%,#2FC9A6 100%);
  --g-cta:linear-gradient(118deg,#FF7A45,#FFA05C);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,35,28,.05),0 8px 24px rgba(16,35,28,.06);
  --sh-2:0 2px 4px rgba(16,35,28,.06),0 16px 40px rgba(16,35,28,.10);
  --sh-focus:0 0 0 4px rgba(15,164,127,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s var(--ease);
}
.site-header.scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:26px;height:72px;transition:height .2s var(--ease)}
.site-header.scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:11px;min-width:200px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--g-main);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 6px 16px rgba(15,164,127,.28);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:16px;font-weight:800;letter-spacing:.08em;color:var(--c-ink)}
.brand-sub{font-size:10px;font-weight:500;color:var(--c-muted);margin-top:2px}
.nav-search{
  flex:1 1 auto;max-width:520px;min-width:280px;
  display:flex;align-items:center;gap:8px;height:48px;
  padding:0 6px 0 16px;border-radius:var(--r-pill);
  background:var(--c-surface-2);border:1px solid var(--c-line);
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease),background .16s var(--ease);
}
.nav-search:focus-within{border-color:var(--c-primary);border-width:2px;box-shadow:var(--sh-focus);background:#fff}
.nav-search svg{width:18px;height:18px;flex-shrink:0;stroke:var(--c-muted)}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;height:100%;
  font-size:15px;color:var(--c-ink);
}
.nav-search input::placeholder{color:#93A19B}
.nav-search input:focus{outline:none}
.nav-search button{
  height:36px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--g-main);color:#fff;font-size:14px;font-weight:600;
  cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:var(--sh-1)}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15px;color:var(--c-muted);padding:6px 0;
  transition:color .2s var(--ease);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-primary-deep);font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--c-ink)}
.drawer{display:none}
.no-scroll{overflow:hidden}

/* ============ 顶部渐变带 ============ */
.page-band{position:relative;height:120px;background:var(--g-main);overflow:hidden}
.page-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 140% at 86% 26%,rgba(255,255,255,.24),transparent 62%);
}
.page-band .container{
  position:relative;z-index:1;height:100%;
  display:flex;align-items:flex-end;padding-bottom:20px;
}
.band-label{color:rgba(255,255,255,.94);font-size:14px;font-weight:500}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-muted);padding-top:24px;
}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#B9C6C0}
.breadcrumb .current{color:var(--c-ink)}

/* ============ 文章主体 ============ */
.article-wrap{padding:20px 0 0}
.article-head{max-width:880px;padding-top:12px}
.article-head h1{font-size:34px;line-height:1.28;margin-bottom:18px}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:var(--c-muted);
  padding-bottom:22px;border-bottom:1px solid var(--c-line);
}
.article-meta .dot{color:#C2CEC9}
.article-meta .cat{color:var(--c-primary-deep);font-weight:600}
.lead-block{
  max-width:780px;margin-top:28px;
  background:var(--c-primary-soft);
  border-left:3px solid var(--c-primary);
  border-radius:var(--r-sm);
  padding:18px 22px;
  font-size:17px;line-height:1.85;color:#0B3E31;
}
.article-body{max-width:760px;margin-top:34px}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:24px;margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;
  border-radius:3px;background:var(--g-main);
}
.article-body h3{font-size:19px;margin:28px 0 12px}
.article-body h4{font-size:17px;margin:22px 0 10px}
.article-body img{border-radius:var(--r-md);margin:24px auto;height:auto}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(15,164,127,.35)}
.article-body a:hover{color:var(--c-primary-deep)}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px;line-height:1.9}
.article-body ul li{list-style:disc;margin:6px 0}
.article-body ol li{list-style:decimal;margin:6px 0}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--c-surface-2);
  border-radius:var(--r-sm);color:var(--c-muted);font-style:italic;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left}
.article-body th{background:var(--c-surface-2);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0}

/* ============ 空态 ============ */
.empty-state{
  max-width:760px;margin-top:34px;min-height:220px;
  background:var(--c-surface-2);
  border:1px dashed var(--c-line);
  border-radius:var(--r-md);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:40px 24px;text-align:center;
}
.empty-state svg{width:40px;height:40px;stroke:var(--c-muted)}
.empty-state p{font-size:15px;color:var(--c-muted)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--g-main);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-cta{background:var(--g-cta);color:#fff;box-shadow:var(--sh-1)}
.btn-cta:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-cta:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary-deep)}
.btn-ghost:hover{background:var(--c-primary-soft)}
.btn-sm{height:42px;padding:0 22px;font-size:15px}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--c-primary);
}
.btn-text::after{content:"→";display:inline-block;transition:transform .2s var(--ease)}
.btn-text:hover::after{transform:translateX(3px)}
.btn-text:hover{color:var(--c-primary-deep)}

/* ============ 标签 ============ */
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:42px;padding-top:26px;border-top:1px solid var(--c-line)}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--c-surface);
  border:1px solid var(--c-line);font-size:14px;color:var(--c-muted);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary-deep);background:var(--c-primary-soft);transform:translateY(-2px)}

/* ============ 上一篇 / 下一篇 ============ */
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px}
.pn-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,164,127,.35)}
.pn-label{display:block;font-size:13.5px;color:var(--c-primary);margin-bottom:8px;font-weight:600}
.pn-title{display:block;font-size:17px;font-weight:700;line-height:1.5}

/* ============ 相关栏目 ============ */
.rel-block{margin-top:76px}
.rel-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:26px;flex-wrap:wrap;
}
.rel-head h2{font-size:26px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 24px;flex:1}
.card-tag{
  align-self:flex-start;display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:13px;font-weight:600;border:1px solid rgba(15,164,127,.2);
}
.card-title{font-size:17px;font-weight:700;line-height:1.5}
.card-text{font-size:14.5px;line-height:1.7;color:var(--c-muted)}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:8px;font-size:13.5px;color:var(--c-muted);
}
.card-foot .go{color:var(--c-primary);font-weight:600}

/* ============ 返回入口 ============ */
.back-row{margin-top:52px;display:flex;flex-wrap:wrap;gap:22px;align-items:center}

/* ============ 底部行动带 ============ */
.cta-band{margin-top:80px}
.cta-inner{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:48px;border-radius:var(--r-lg);
  background:var(--g-main);color:#fff;flex-wrap:wrap;
}
.cta-inner::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(48% 150% at 88% 20%,rgba(255,255,255,.22),transparent 62%);
  pointer-events:none;
}
.cta-text{position:relative;z-index:1;max-width:620px}
.cta-text h2{font-size:26px;color:#fff;margin-bottom:10px}
.cta-text p{font-size:15.5px;color:rgba(255,255,255,.88);line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{margin-top:88px;background:#0F2A22;color:rgba(255,255,255,.72);position:relative}
.site-footer::before{content:"";display:block;height:4px;background:var(--g-main)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding:56px 0 30px;
}
.site-footer .brand-main{color:#fff}
.site-footer .brand-sub{color:rgba(255,255,255,.55)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-col h4{
  font-size:14px;font-weight:600;color:rgba(255,255,255,.92);margin-bottom:16px;
}
.footer-col a{
  display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.72);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 34px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px}
  .nav-search{max-width:420px}
  .nav-links{gap:18px}
}
@media (max-width:1023px){
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-head h1{font-size:30px}
  .nav-search{min-width:200px;max-width:320px}
}
@media (max-width:767px){
  :root{--sp-section:48px}
  .container{padding:0 16px}
  .nav-inner{height:64px;gap:14px}
  .site-header.scrolled .nav-inner{height:64px}
  .brand{min-width:0}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .brand-mark svg{width:19px;height:19px}
  .nav-search,.nav-links{display:none}
  .nav-toggle{display:flex}
  .drawer{
    display:flex;position:fixed;inset:0;z-index:90;background:#fff;
    flex-direction:column;padding:18px 16px 24px;
    transform:translateY(-100%);
    transition:transform .26s var(--ease);
  }
  .drawer.open{transform:translateY(0)}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .drawer-close{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
    background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;
  }
  .drawer-close svg{width:18px;height:18px;stroke:var(--c-ink)}
  .drawer-search{margin-top:18px}
  .drawer-search input{border:0;background:transparent;flex:1;height:100%;font-size:15px}
  .drawer-search input:focus{outline:none}
  .drawer-list{margin-top:14px;border-top:1px solid var(--c-line)}
  .drawer-list a{
    display:flex;align-items:center;justify-content:space-between;
    height:52px;font-size:16px;color:var(--c-ink);
    border-bottom:1px solid var(--c-line);
  }
  .drawer-list a span.arrow{color:#B9C6C0;font-size:18px;line-height:1}
  .drawer-list a.active{color:var(--c-primary-deep);font-weight:700}
  .drawer-cta{margin-top:auto;padding-top:24px}
  .drawer-cta .btn{width:100%}
  .page-band{height:104px}
  .page-band .container{padding-bottom:16px}
  .breadcrumb{padding-top:18px}
  .article-head h1{font-size:26px;line-height:1.32}
  .article-body{max-width:100%}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-body h3{font-size:18px}
  .lead-block{padding:16px 18px;font-size:16px}
  .pn-grid{grid-template-columns:1fr;gap:16px}
  .rel-grid{grid-template-columns:1fr}
  .cta-inner{padding:30px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 24px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .site-footer{margin-top:56px}
  .rel-block{margin-top:56px}
  .cta-band{margin-top:56px}
}
@media (max-width:400px){
  .article-head h1{font-size:23px}
  .btn{width:100%}
  .back-row{flex-direction:column;align-items:stretch}
}

/* roulang page: category2 */
:root{
  --c-primary:#0FA47F;
  --c-primary-deep:#0A7A5E;
  --c-primary-soft:#E7F6F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFF0E8;
  --c-gold:#FFC24B;
  --c-bg:#F6F8F7;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFF6F3;
  --c-line:#E2EAE6;
  --c-ink:#10231C;
  --c-muted:#5F6F69;
  --c-invert:#FFFFFF;
  --c-danger:#E5484D;
  --grad-main:linear-gradient(118deg,#0A7A5E 0%,#0FA47F 48%,#2FC9A6 100%);
  --grad-cta:linear-gradient(118deg,#FF7A45 0%,#FFA05C 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,35,28,.05),0 8px 24px rgba(16,35,28,.06);
  --sh-2:0 2px 4px rgba(16,35,28,.06),0 16px 40px rgba(16,35,28,.10);
  --sh-focus:0 0 0 4px rgba(15,164,127,.18);
  --ease:200ms cubic-bezier(.2,.8,.2,1);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.scrolled{box-shadow:var(--sh-1)}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:var(--header-h);
  transition:height var(--ease);
}
.site-header.scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;min-width:200px}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  background:var(--grad-main);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(10,122,94,.24);
  flex:0 0 auto;
  transition:width var(--ease),height var(--ease);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-main{font-size:17px;font-weight:800;letter-spacing:.08em;color:var(--c-primary-deep)}
.brand-sub{font-size:11.5px;color:var(--c-muted);font-weight:500}
.nav-search{
  position:relative;flex:1 1 auto;max-width:520px;margin:0 auto;
  display:flex;align-items:center;
  height:48px;padding:0 4px 0 16px;
  background:var(--c-surface-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:border-color 160ms ease,box-shadow 160ms ease,background 160ms ease;
}
.nav-search:focus-within{
  border-color:var(--c-primary);
  box-shadow:var(--sh-focus);
  background:var(--c-surface);
}
.nav-search .search-icon{width:18px;height:18px;flex:0 0 auto;color:var(--c-muted)}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;
  border:0;background:transparent;outline:none;
  padding:0 10px;font-size:15px;color:var(--c-ink);
}
.nav-search input::placeholder{color:#8A9993}
.nav-search button{
  flex:0 0 auto;height:40px;padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--grad-main);
  color:#fff;font-size:14.5px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease);
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(10,122,94,.26)}
.nav-search button:active{transform:translateY(1px)}
.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;color:var(--c-muted);
  border-radius:var(--r-sm);
  transition:color var(--ease),background var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;
  height:2px;border-radius:2px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-ink);font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);
  align-items:center;justify-content:center;
  background:var(--c-surface);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
  padding:18px 0 26px;
}
.mobile-drawer .drawer-search{
  display:flex;align-items:center;height:44px;padding:0 4px 0 14px;
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-pill);
  margin-bottom:14px;
}
.mobile-drawer .drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;padding:0 10px;font-size:15px}
.mobile-drawer .drawer-search button{height:36px;padding:0 18px;border-radius:var(--r-pill);background:var(--grad-main);color:#fff;font-size:14px;font-weight:600}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 14px;border-radius:var(--r-sm);
  font-size:15.5px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer-links a:last-child{border-bottom:0}
.drawer-links a.active{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:700}
.drawer-links a .arrow{color:var(--c-muted);font-size:14px}
.drawer-cta{margin-top:18px;display:block;text-align:center;height:48px;line-height:48px;border-radius:var(--r-pill);background:var(--grad-main);color:#fff;font-weight:600;font-size:16px}

/* ============ top band ============ */
.top-band{
  height:8px;
  background:var(--grad-main);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-muted);
  padding:22px 0 0;
}
.breadcrumb a{color:var(--c-muted);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#B6C2BD}
.breadcrumb .current{color:var(--c-ink)}

/* ============ page hero ============ */
.page-hero{padding:14px 0 44px}
.page-hero h1{
  font-size:36px;line-height:1.3;font-weight:800;letter-spacing:-.01em;
  margin-top:12px;
}
.page-hero .lead{
  max-width:760px;margin-top:16px;
  font-size:16.5px;color:var(--c-muted);line-height:1.85;
}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:36px;padding:0 16px;
  border-radius:var(--r-pill);
  background:var(--c-primary-soft);
  border:1px solid rgba(15,164,127,.2);
  color:var(--c-primary-deep);
}
.badge.accent{background:var(--c-accent-soft);border-color:rgba(255,122,69,.24);color:#C04A17}
.badge b{font-size:18px;font-weight:700}
.badge span{font-size:13.5px;color:var(--c-muted)}

/* ============ two-column layout ============ */
.layout{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:24px;
  align-items:start;
  padding-bottom:72px;
}
.index-card{
  position:sticky;top:96px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:22px 18px;
}
.index-card h2{
  font-size:14px;font-weight:700;letter-spacing:.06em;
  color:var(--c-muted);text-transform:uppercase;
  padding:0 10px 12px;
}
.index-card a{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 12px 12px 14px;
  border-radius:var(--r-sm);
  font-size:15px;color:var(--c-muted);
  transition:background var(--ease),color var(--ease);
}
.index-card a::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--grad-main);
  transform:scaleY(0);transform-origin:center;
  transition:transform var(--ease);
}
.index-card a:hover{background:var(--c-surface-2);color:var(--c-ink)}
.index-card a.current{background:var(--c-surface-2);color:var(--c-ink);font-weight:700}
.index-card a.current::before{transform:scaleY(1)}
.index-card a .dot{width:6px;height:6px;border-radius:50%;background:#C9D5D0}
.index-card a.current .dot{background:var(--c-gold)}
.index-note{
  margin-top:14px;padding:14px;border-radius:var(--r-sm);
  background:var(--c-surface-2);font-size:13.5px;color:var(--c-muted);line-height:1.7;
}

/* ============ content groups ============ */
.group{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:26px 26px 8px;
  margin-bottom:24px;
  scroll-margin-top:100px;
}
.group:last-child{margin-bottom:0}
.group-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;margin-bottom:6px}
.group-head h2{font-size:22px;line-height:1.4;font-weight:700;letter-spacing:-.01em}
.group-head .count{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-accent-soft);
  color:#C04A17;font-size:13px;font-weight:600;
}
.group-desc{font-size:14.5px;color:var(--c-muted);margin-bottom:10px}
.row-list{margin-top:8px}
.list-row{
  position:relative;
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 4px 20px 18px;
  min-height:104px;
  border-bottom:1px solid var(--c-line);
  transition:background var(--ease),transform var(--ease);
}
.row-list .list-row:last-child{border-bottom:0}
.list-row::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  border-radius:3px;background:var(--grad-main);
  transform:scaleY(.35);transform-origin:top;
  transition:transform var(--ease),opacity var(--ease);
  opacity:.55;
}
.list-row:hover{background:#FBFDFC;transform:translateX(2px)}
.list-row:hover::before{transform:scaleY(1);opacity:1}
.row-thumb{
  flex:0 0 auto;width:96px;height:72px;border-radius:var(--r-sm);
  overflow:hidden;background:var(--c-surface-2);
  border:1px solid var(--c-line);
}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.list-row:hover .row-thumb img{transform:scale(1.04)}
.row-body{flex:1 1 auto;min-width:0}
.row-body h3{font-size:17px;line-height:1.5;font-weight:700;margin-bottom:6px}
.row-body p{font-size:14.5px;color:var(--c-muted);line-height:1.75}
.tag{
  display:inline-block;margin-bottom:8px;
  padding:3px 11px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:12.5px;font-weight:600;
}
.row-meta{
  flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:6px;
  font-size:13.5px;color:var(--c-muted);
  padding-top:4px;
}
.row-meta .step{font-variant-numeric:tabular-nums;font-weight:700;color:#9AA9A3}

/* ============ FAQ ============ */
.faq-block{
  padding:0;
  margin-bottom:24px;
  scroll-margin-top:100px;
}
.faq-block > h2{font-size:22px;font-weight:700;margin-bottom:16px;letter-spacing:-.01em}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item.open{border-color:rgba(15,164,127,.42)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:12px 20px;
  text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary-deep)}
.faq-ico{
  position:relative;flex:0 0 auto;width:20px;height:20px;
  border:1.5px solid var(--c-primary);border-radius:50%;
  transition:transform 220ms cubic-bezier(.2,.8,.2,1),background var(--ease);
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--c-primary);
  transition:opacity var(--ease),background var(--ease);
}
.faq-ico::before{left:5px;right:5px;top:8.2px;height:1.6px}
.faq-ico::after{top:5px;bottom:5px;left:8.2px;width:1.6px}
.faq-item.open .faq-ico{transform:rotate(90deg)}
.faq-item.open .faq-ico::after{opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 220ms cubic-bezier(.2,.8,.2,1);
}
.faq-a p{
  padding:0 20px 18px;
  font-size:15px;color:var(--c-muted);line-height:1.85;
}

/* ============ text cta ============ */
.text-cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  margin-bottom:72px;
}
.text-cta p{font-size:15.5px;color:var(--c-ink)}
.text-cta p span{color:var(--c-muted);font-size:14px;margin-left:10px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-size:15px;font-weight:600;
  transition:color var(--ease);
}
.link-arrow svg{width:14px;height:14px;transition:transform var(--ease)}
.link-arrow:hover{color:var(--c-primary-deep)}
.link-arrow:hover svg{transform:translateX(3px)}
.related-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;width:100%}
.related-pills a{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface-2);
  font-size:14.5px;color:var(--c-ink);
  transition:border-color var(--ease),color var(--ease),transform var(--ease),background var(--ease);
}
.related-pills a:hover{border-color:var(--c-primary);color:var(--c-primary-deep);background:var(--c-primary-soft);transform:translateY(-2px)}

/* ============ footer ============ */
.site-footer{
  background:#0F2A22;
  color:rgba(255,255,255,.72);
  padding-top:4px;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--grad-main);
}
.site-footer .container{padding-top:60px;padding-bottom:0}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:44px;
}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px;box-shadow:none}
.footer-brand .brand-main{font-size:15.5px;color:#fff}
.footer-brand .brand-sub{font-size:11px;color:rgba(255,255,255,.6)}
.footer-brand p{
  margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;
}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-col a{
  display:block;font-size:14px;color:rgba(255,255,255,.72);
  padding:6px 0;
  transition:color var(--ease),transform var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ responsive ============ */
@media (max-width:1279px){
  .container{max-width:96%}
}
@media (max-width:1023px){
  :root{--header-h:64px}
  .container{padding:0 24px}
  .header-inner{flex-wrap:wrap;height:auto;padding-top:12px;padding-bottom:12px;gap:12px}
  .site-header.scrolled .header-inner{height:auto}
  .brand{min-width:0;flex:1 1 auto}
  .brand-mark{width:34px;height:34px;border-radius:11px}
  .nav-toggle{display:flex}
  .nav-links{display:none}
  .nav-search{order:3;flex-basis:100%;max-width:none;height:44px;margin:0}
  .mobile-drawer.open{display:block}
  .layout{grid-template-columns:1fr;padding-bottom:56px}
  .index-card{position:static;top:auto}
  .index-card .index-links{display:flex;flex-wrap:wrap;gap:8px;overflow-x:auto;padding-bottom:4px}
  .index-card .index-links a{flex:0 0 auto;padding:10px 16px;border-radius:var(--r-pill);background:var(--c-surface-2)}
  .index-card .index-links a::before{display:none}
  .index-card .index-links a .dot{display:none}
  .index-note{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .page-hero h1{font-size:30px}
  .group{padding:22px 22px 6px}
  .text-cta{margin-bottom:56px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  body{font-size:16px}
  .page-hero{padding:10px 0 32px}
  .page-hero h1{font-size:26px}
  .page-hero .lead{font-size:15.5px}
  .layout{padding-bottom:48px}
  .group{padding:20px 16px 4px}
  .group-head h2{font-size:19px}
  .list-row{gap:14px;padding:16px 2px 16px 14px;min-height:auto}
  .row-thumb{width:80px;height:60px}
  .row-body h3{font-size:16px}
  .row-meta{display:none}
  .faq-block > h2{font-size:19px}
  .faq-q{font-size:15.5px;padding:12px 16px}
  .faq-a p{padding:0 16px 16px}
  .text-cta{padding:18px 16px;flex-direction:column;align-items:flex-start}
  .related-pills a{flex:1 1 auto;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
  .badge{height:34px;padding:0 14px}
}
@media (max-width:400px){
  .nav-search button,.mobile-drawer .drawer-search button{width:auto;padding:0 16px}
  .badge{width:100%;justify-content:center}
  .related-pills a{width:100%}
}

/* roulang page: category1 */
:root{
  --c-primary:#0FA47F;
  --c-primary-deep:#0A7A5E;
  --c-primary-soft:#E7F6F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFF0E8;
  --c-gold:#FFC24B;
  --c-bg:#F6F8F7;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFF6F3;
  --c-line:#E2EAE6;
  --c-ink:#10231C;
  --c-muted:#5F6F69;
  --c-invert:#FFFFFF;
  --grad-primary:linear-gradient(118deg,#0A7A5E 0%,#0FA47F 48%,#2FC9A6 100%);
  --grad-cta:linear-gradient(118deg,#FF7A45,#FFA05C);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,35,28,.05),0 8px 24px rgba(16,35,28,.06);
  --sh-2:0 2px 4px rgba(16,35,28,.06),0 16px 40px rgba(16,35,28,.10);
  --sh-focus:0 0 0 4px rgba(15,164,127,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;}
h1{font-size:40px;line-height:1.2;}
h2{font-size:28px;}
h3{font-size:20px;line-height:1.4;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:var(--r-sm);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height .2s var(--ease);}
.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:200px;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--grad-primary);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(10,122,94,.24);
  flex:0 0 auto;
  transition:width .2s var(--ease),height .2s var(--ease);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:20px;font-weight:800;letter-spacing:.08em;color:var(--c-ink);}
.brand-sub{font-size:10.5px;color:var(--c-muted);letter-spacing:0;font-weight:600;}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:520px;margin:0 auto;
  height:48px;padding:0 4px 0 40px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:var(--c-surface-2);
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease),background-color .16s var(--ease);
}
.nav-search:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:var(--sh-focus);}
.nav-search .s-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--c-muted);fill:none;stroke-width:1.8;stroke-linecap:round;}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:14.5px;
}
.nav-search input::placeholder{color:#96A6A0;}
.search-btn{
  flex:0 0 auto;height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--grad-primary);color:#fff;font-size:14px;font-weight:600;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.search-btn:hover{transform:translateY(-1px);box-shadow:var(--sh-1);}
.search-btn:active{transform:translateY(1px);}
.nav-links{display:flex;align-items:center;gap:20px;flex:0 0 auto;}
.nav-links a{
  position:relative;font-size:15px;color:var(--c-muted);padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;
  background:var(--c-primary);transition:width .2s var(--ease);
}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after{width:20px;}
.nav-links a.active{color:var(--c-ink);font-weight:700;}
.nav-links a.active::after{width:20px;}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  align-items:center;justify-content:center;border:1px solid var(--c-line);background:#fff;
}
.menu-btn svg{width:20px;height:20px;stroke:var(--c-ink);stroke-width:1.8;fill:none;stroke-linecap:round;}
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:#fff;
  transform:translateX(100%);transition:transform .24s var(--ease);
  display:none;flex-direction:column;padding:16px 18px 24px;overflow-y:auto;
}
.mobile-drawer.open{transform:none;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;background:#fff;
}
.drawer-close svg{width:18px;height:18px;stroke:var(--c-ink);stroke-width:1.8;fill:none;stroke-linecap:round;}
.drawer-search{display:flex;align-items:center;height:44px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-surface-2);padding:0 4px 0 38px;position:relative;margin-bottom:14px;}
.drawer-search .s-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:var(--c-muted);fill:none;stroke-width:1.8;stroke-linecap:round;}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;height:100%;font-size:14.5px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:16px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a.active{color:var(--c-primary);font-weight:700;}
.drawer-nav a span.arw{color:var(--c-muted);font-size:15px;}
.drawer-cta{margin-top:22px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:0 8px 20px rgba(10,122,94,.22);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);}
.btn-cta{background:var(--grad-cta);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.28);}
.btn-cta:hover{transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-cta:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);}
.text-link .arw{transition:transform .2s var(--ease);}
.text-link:hover .arw{transform:translateX(3px);}

/* ---------- 页面顶部标题带 ---------- */
.page-band{
  position:relative;color:#fff;
  padding:44px 0 48px;
  background:
    linear-gradient(118deg,rgba(10,122,94,.94) 0%,rgba(15,164,127,.88) 48%,rgba(47,201,166,.80) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.page-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 82% 18%,rgba(255,255,255,.22),rgba(255,255,255,0) 48%);
}
.page-band .container{position:relative;z-index:1;}
.crumbs{font-size:13.5px;color:rgba(255,255,255,.86);margin-bottom:12px;}
.crumbs a{color:rgba(255,255,255,.86);}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.crumbs .sep{margin:0 8px;opacity:.7;}
.crumbs .now{color:#fff;font-weight:600;}
.page-band h1{color:#fff;margin-bottom:12px;}
.page-band .lead{font-size:14px;color:rgba(255,255,255,.9);max-width:760px;line-height:1.7;}
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);
  color:#fff;font-size:13.5px;
}
.badge b{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head p{font-size:15px;color:var(--c-muted);max-width:640px;margin-top:10px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-pill);
  padding:4px 12px;margin-bottom:14px;letter-spacing:.02em;
}

/* ---------- 筛选 chips ---------- */
.chips-wrap{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;margin-bottom:30px;}
.chips-wrap::-webkit-scrollbar{display:none;}
.chips{display:flex;gap:12px;min-width:max-content;padding-bottom:2px;}
.chip{
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);color:var(--c-muted);
  font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:all .2s var(--ease);
}
.chip:hover{color:var(--c-primary);border-color:var(--c-primary);}
.chip[aria-pressed="true"]{background:var(--grad-primary);border-color:transparent;color:#fff;box-shadow:0 6px 16px rgba(10,122,94,.2);}

/* ---------- 卡片网格 ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card:focus-within{box-shadow:var(--sh-focus),var(--sh-2);}
.card.is-hidden{display:none;}
.thumb{
  position:relative;aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;
  background:var(--c-surface-2);margin-bottom:16px;
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.card:hover .thumb img{transform:scale(1.03);}
.thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,35,28,0) 62%,rgba(16,35,28,.10));pointer-events:none;}
.card-body{display:flex;flex-direction:column;flex:1;}
.tag{
  align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--c-primary-deep);
  background:var(--c-primary-soft);border:1px solid rgba(15,164,127,.2);
  border-radius:var(--r-pill);padding:3px 12px;margin-bottom:12px;
}
.tag.accent{color:#C24A18;background:var(--c-accent-soft);border-color:rgba(255,122,69,.24);}
.card h3{font-size:17px;line-height:1.5;margin-bottom:10px;}
.card p{font-size:14.5px;color:var(--c-muted);line-height:1.75;margin-bottom:16px;}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.time{font-size:13.5px;color:var(--c-muted);font-variant-numeric:tabular-nums;}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.steps::before{
  content:"";position:absolute;top:22px;left:8%;right:8%;height:1px;
  border-top:1px dashed var(--c-line);z-index:0;
}
.step{position:relative;z-index:1;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-no{
  width:44px;height:44px;border-radius:50%;background:var(--grad-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;box-shadow:0 6px 16px rgba(10,122,94,.22);
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--c-muted);line-height:1.75;}

/* ---------- 深色要点带 ---------- */
.insight{
  background:linear-gradient(118deg,#0F2A22 0%,#123A2E 60%,#0E4A3A 100%);
  border-radius:var(--r-lg);padding:48px;color:#fff;position:relative;overflow:hidden;
}
.insight::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,201,166,.28),rgba(47,201,166,0) 68%);
}
.insight h2{color:#fff;margin-bottom:14px;position:relative;z-index:1;}
.insight .insight-lead{color:rgba(255,255,255,.78);font-size:15px;max-width:680px;position:relative;z-index:1;}
.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px;position:relative;z-index:1;}
.insight-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);padding:24px 22px;
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.insight-item:hover{background:rgba(255,255,255,.1);transform:translateY(-3px);}
.insight-item .dot{
  width:10px;height:10px;border-radius:50%;background:var(--c-gold);
  box-shadow:0 0 0 4px rgba(255,194,75,.18);margin-bottom:16px;
}
.insight-item h3{font-size:17px;color:#fff;margin-bottom:8px;}
.insight-item p{font-size:14.5px;color:rgba(255,255,255,.76);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:12px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{left:0;top:9px;width:20px;height:1.5px;}
.faq-icon::after{left:9px;top:0;width:1.5px;height:20px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease);}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--c-muted);line-height:1.85;}

/* ---------- 底部行动带 ---------- */
.cta-band{
  background:var(--grad-primary);border-radius:var(--r-lg);padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-120px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
}
.cta-band h2{color:#fff;margin-bottom:10px;position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;max-width:560px;position:relative;z-index:1;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.16);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sec-y);
  background:#0F2A22;color:rgba(255,255,255,.72);
  border-top:4px solid transparent;
  border-image:var(--grad-primary) 1;
  padding-top:56px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{margin-bottom:18px;min-width:0;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;}
.footer-brand .brand-main{color:#fff;font-size:18px;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);font-size:9.5px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:380px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-col a{
  display:block;font-size:14px;color:rgba(255,255,255,.72);
  padding:5px 0;transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}
.footer-bottom span{font-variant-numeric:tabular-nums;}

/* ---------- 响应式 ---------- */
@media (max-width:1279.98px){
  .container{max-width:96%;}
}
@media (max-width:1023.98px){
  :root{--sec-y:64px;}
  .container{padding:0 24px;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  .header-inner{height:auto;flex-wrap:wrap;gap:10px;padding:10px 0;}
  .is-scrolled .header-inner{height:auto;}
  .brand{min-width:0;order:1;}
  .brand-mark{width:34px;height:34px;border-radius:10px;}
  .brand-main{font-size:18px;}
  .brand-sub{font-size:9.5px;}
  .menu-btn{display:flex;order:2;margin-left:auto;}
  .nav-search{order:3;flex:0 0 100%;max-width:none;height:44px;margin:0;}
  .nav-links{display:none;}
  .mobile-drawer{display:flex;}
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .insight{padding:36px;}
  .insight-grid{grid-template-columns:1fr;gap:16px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  :root{--sec-y:48px;}
  .container{padding:0 16px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  body{font-size:16px;}
  .grid-cards{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .page-band{padding:34px 0 36px;}
  .cta-band{padding:28px;gap:22px;}
  .insight{padding:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:400px){
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .badges{gap:8px;}
  .badge{padding:0 12px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0FA47F;
  --c-primary-deep:#0A7A5E;
  --c-primary-soft:#E7F6F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFF0E8;
  --c-gold:#FFC24B;
  --c-bg:#F6F8F7;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFF6F3;
  --c-line:#E2EAE6;
  --c-ink:#10231C;
  --c-muted:#5F6F69;
  --c-invert:#FFFFFF;
  --c-danger:#E5484D;
  --g-brand:linear-gradient(118deg,#0A7A5E 0%,#0FA47F 48%,#2FC9A6 100%);
  --g-cta:linear-gradient(118deg,#FF7A45,#FFA05C);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,35,28,.05),0 8px 24px rgba(16,35,28,.06);
  --sh-2:0 2px 4px rgba(16,35,28,.06),0 16px 40px rgba(16,35,28,.10);
  --sh-focus:0 0 0 4px rgba(15,164,127,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,button,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:var(--sh-focus)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.tnum{font-variant-numeric:tabular-nums}

/* ============ 顶部渐变带 ============ */
.top-band{height:8px;background:var(--g-brand)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow 200ms var(--ease);
}
.site-header.scrolled{box-shadow:var(--sh-1)}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
  transition:min-height 200ms var(--ease);
}
.site-header.scrolled .header-inner{min-height:60px}
.brand{display:flex;align-items:center;gap:10px;min-width:200px}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;
  border-radius:12px;
  background:var(--g-brand);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(10,122,94,.24);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-main{
  font-size:20px;font-weight:800;letter-spacing:.12em;
  color:var(--c-ink);text-transform:uppercase;
}
.brand-sub{font-size:10px;font-weight:600;letter-spacing:0;color:var(--c-muted);white-space:nowrap}
.nav-search{
  position:relative;
  display:flex;align-items:center;
  flex:1 1 auto;
  min-width:240px;
  max-width:520px;
  height:48px;
  padding:0 6px 0 14px;
  background:var(--c-surface-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease),background 160ms var(--ease);
}
.nav-search:focus-within{border-color:var(--c-primary);background:var(--c-surface);box-shadow:var(--sh-focus)}
.nav-search svg{width:18px;height:18px;flex:0 0 auto;stroke:var(--c-muted)}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;background:transparent;
  padding:0 10px;
  font-size:15px;
  outline:none;
}
.nav-search input::placeholder{color:var(--c-muted)}
.search-btn{
  flex:0 0 auto;
  height:36px;
  padding:0 18px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--g-brand);
  color:var(--c-invert);
  font-size:14px;font-weight:600;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),filter 200ms var(--ease);
}
.search-btn:hover{transform:translateY(-1px);box-shadow:var(--sh-1);filter:brightness(1.03)}
.search-btn:active{transform:translateY(1px)}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--c-muted);
  padding:6px 0;
  transition:color 200ms var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0;height:2px;border-radius:2px;
  background:var(--c-primary);
  transition:width 200ms var(--ease);
}
.nav-links a:hover{color:var(--c-primary-deep)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--c-ink);font-weight:700}
.nav-links a.active::after{width:100%}
.nav-toggle{
  display:none;
  width:44px;height:44px;flex:0 0 auto;
  align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  background:var(--c-surface);
  transition:box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.nav-toggle:hover{border-color:var(--c-primary);box-shadow:var(--sh-focus)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-drawer{
  position:fixed;inset:0;
  background:var(--c-surface);
  z-index:200;
  padding:20px 20px 32px;
  display:flex;flex-direction:column;
  transform:translateY(-100%);
  visibility:hidden;
  transition:transform 240ms var(--ease),visibility 240ms var(--ease);
  overflow-y:auto;
}
.nav-drawer.open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;
  border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:var(--c-surface);font-size:22px;line-height:1;color:var(--c-muted);
}
.drawer-search{margin-bottom:20px;max-width:none;width:100%}
.drawer-links{display:flex;flex-direction:column;border-top:1px solid var(--c-line)}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;
  font-size:16px;
  color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer-links a::after{content:"›";color:var(--c-muted);font-size:20px;line-height:1}
.drawer-links a.active{color:var(--c-primary-deep);font-weight:700}
.drawer-cta{margin-top:24px;width:100%;justify-content:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:16px;font-weight:600;
  border:1px solid transparent;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.btn-primary{background:var(--g-brand);color:var(--c-invert)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--g-cta);color:var(--c-invert)}
.btn-accent:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:var(--c-surface);color:var(--c-primary-deep);border:1.5px solid var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost[disabled],.btn-ghost.is-done{
  opacity:.55;cursor:default;transform:none;background:var(--c-surface);border-color:var(--c-line);color:var(--c-muted);
}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary-deep);
  background:none;border:0;padding:0;
}
.btn-link .arrow{transition:transform 200ms var(--ease)}
.btn-link:hover .arrow{transform:translateX(3px)}

/* ============ 页面头部 ============ */
.page-head{
  background:linear-gradient(180deg,#FFFFFF 0%,#F1F8F5 100%);
  border-bottom:1px solid var(--c-line);
  padding:22px 0 40px;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-muted);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--c-muted);transition:color 200ms var(--ease)}
.breadcrumb a:hover{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb .current{color:var(--c-ink);font-weight:600}
.chips{
  display:flex;align-items:center;gap:26px;
  margin-bottom:6px;
  overflow-x:auto;
  scrollbar-width:none;
  border-bottom:1px solid var(--c-line);
}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  padding:8px 2px 12px;
  border:0;border-bottom:2px solid transparent;
  background:none;
  font-size:15px;color:var(--c-muted);
  transition:color 200ms var(--ease),border-color 200ms var(--ease);
}
.chip:hover{color:var(--c-primary-deep)}
.chip.active{color:var(--c-primary-deep);font-weight:700;border-bottom-color:var(--c-primary)}
.page-head h1{
  font-size:clamp(26px,3.3vw,36px);
  line-height:1.25;
  margin:26px 0 14px;
  max-width:900px;
}
.page-head .lead{
  max-width:760px;
  font-size:15px;
  color:var(--c-muted);
  line-height:1.8;
}
.head-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  min-height:34px;padding:0 16px;
  border-radius:var(--r-pill);
  font-size:13.5px;color:var(--c-primary-deep);
  background:var(--c-primary-soft);
  border:1px solid rgba(15,164,127,.2);
}
.badge .num{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}
.badge.gold{background:var(--c-accent-soft);color:#C4531F;border-color:rgba(255,122,69,.24)}

/* ============ 时间轴 ============ */
.section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.4vw,28px)}
.section-head p{font-size:14.5px;color:var(--c-muted);margin-top:8px;max-width:640px}
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:6px;top:24px;bottom:24px;width:2px;
  background:linear-gradient(180deg,#2FC9A6 0%,#0A7A5E 100%);
  border-radius:2px;
}
.tl-item{position:relative;padding-left:40px;padding-bottom:22px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:26px;
  width:14px;height:14px;border-radius:50%;
  background:var(--c-gold);
  box-shadow:0 0 0 4px rgba(255,194,75,.18);
}
.tl-item:nth-child(even) .tl-dot{background:var(--c-primary);box-shadow:0 0 0 4px rgba(15,164,127,.16)}
.tl-card{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:22px;
  align-items:center;
  padding:18px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,164,127,.3)}
.tl-media{
  width:100%;
  aspect-ratio:5 / 3;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--c-surface-2);
}
.tl-media img{width:100%;height:100%;object-fit:cover;transition:transform 200ms var(--ease)}
.tl-card:hover .tl-media img{transform:scale(1.03)}
.tl-body{min-width:0}
.tl-tag{
  display:inline-block;
  padding:3px 12px;
  border-radius:var(--r-pill);
  font-size:13.5px;
  color:var(--c-primary-deep);
  background:var(--c-primary-soft);
  border:1px solid rgba(15,164,127,.18);
  margin-bottom:10px;
}
.tl-body h3{font-size:17px;line-height:1.5;margin-bottom:8px}
.tl-body p{
  font-size:14.5px;
  color:var(--c-muted);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.tl-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:14px;flex-wrap:wrap}
.tl-time{font-size:13.5px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.tl-item.is-hidden{display:none}
.load-more-wrap{display:flex;justify-content:center;margin-top:40px}

/* ============ 底部行动带 ============ */
.cta-section{padding:0 0 88px}
.cta-card{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:48px;
  border-radius:var(--r-lg);
  background:var(--g-brand);
  color:var(--c-invert);
  box-shadow:var(--sh-2);
  position:relative;
  overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 62%);
  pointer-events:none;
}
.cta-copy{max-width:600px;position:relative;z-index:1}
.cta-copy h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:10px;color:#fff}
.cta-copy p{font-size:15px;color:rgba(255,255,255,.88)}
.cta-card .btn{position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:#0F2A22;
  color:rgba(255,255,255,.78);
  padding:64px 0 32px;
  margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--g-brand);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px}
.footer-brand .brand-main{color:#fff;font-size:18px}
.footer-brand .brand-sub{color:rgba(255,255,255,.62);font-size:9px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:360px}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:.06em;
  color:rgba(255,255,255,.54);
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.72);
  padding:5px 0;
  transition:color 200ms var(--ease),transform 200ms var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:96%}
}
@media (max-width:1023px){
  .header-inner{flex-wrap:wrap;gap:14px;padding-top:12px;padding-bottom:4px}
  .site-header.scrolled .header-inner{min-height:60px}
  .brand{min-width:0;flex:1 1 auto}
  .nav-toggle{display:flex}
  .nav-links{display:none}
  .nav-search{order:3;flex:1 1 100%;max-width:none;min-width:0;height:44px;margin-bottom:12px}
  .page-head{padding:18px 0 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0}
  .cta-section{padding-bottom:64px}
  .tl-card{grid-template-columns:170px 1fr;gap:18px}
}
@media (max-width:767px){
  .container{padding:0 24px}
  .section{padding:48px 0}
  .page-head h1{margin:20px 0 12px}
  .tl-card{grid-template-columns:1fr;gap:14px;padding:16px}
  .tl-media{aspect-ratio:16 / 9}
  .cta-card{padding:32px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  body{font-size:16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .timeline::before{left:5px}
  .tl-item{padding-left:32px}
  .tl-dot{top:22px}
  .chips{gap:20px}
  .cta-card{padding:26px}
  .cta-card .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:400px){
  .head-badges{gap:8px}
  .badge{padding:0 12px}
  .tl-body h3{font-size:16px}
}