/* roulang page: index */
:root{
  --bs-primary:#0F9D6E;
  --bs-primary-rgb:15,157,110;
  --bs-body-color:#16211C;
  --bs-body-bg:#F4F7F5;
  --bs-border-color:#E2EAE6;
  --bs-border-radius:14px;
  --bs-border-radius-lg:18px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,sans-serif;
  --bs-link-color:#0A7A55;
  --bs-link-hover-color:#0F9D6E;
  --ht-green:#0F9D6E;
  --ht-green-dark:#0A7A55;
  --ht-green-light:#E6F6EF;
  --ht-lime:#C8F169;
  --ht-orange:#FF6A2B;
  --ht-ink:#0B1A14;
  --ht-page:#F4F7F5;
  --ht-card:#FFFFFF;
  --ht-text:#16211C;
  --ht-muted:#5A6B63;
  --ht-weak:#8A9A92;
  --ht-line:#E2EAE6;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 1px 2px rgba(11,26,20,.04),0 12px 32px -12px rgba(11,26,20,.12);
  --sh-2:0 20px 48px -16px rgba(15,157,110,.28);
  --grad:linear-gradient(135deg,#0F9D6E 0%,#1FC08A 55%,#C8F169 100%);
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ht-text);
  background:var(--ht-page);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ht-green-dark);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--ht-green)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--ht-text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,157,110,.25);border-radius:var(--r-sm)}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.sec{padding:var(--sec-pad) 0}
.sec-alt{background:#FFFFFF}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;letter-spacing:-.3px}
.sec-head .sec-sub{margin-top:10px;color:var(--ht-muted);font-size:15.5px;max-width:620px}
.sec-lead{display:flex;align-items:center;gap:12px}
.sec-lead::before{content:"";width:6px;height:28px;border-radius:999px;background:var(--grad);flex:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ht-green-dark);background:var(--ht-green-light);padding:6px 14px;border-radius:999px;margin-bottom:16px}

/* 顶栏公告 */
.topbar{background:var(--ht-ink);color:#fff;font-size:13px}
.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-inner span{color:rgba(255,255,255,.78);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-inner a{color:var(--ht-lime);font-weight:700;white-space:nowrap}
.topbar-inner a:hover{color:#fff}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;transition:box-shadow .2s ease,background .2s ease}
.site-header.scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--ht-line),0 10px 30px -20px rgba(11,26,20,.35)}
.nav-main-inner{display:flex;align-items:center;gap:20px;padding:14px 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand-mark{width:42px;height:42px;border-radius:14px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;box-shadow:0 10px 24px -14px rgba(15,157,110,.9)}
.brand-text{font-size:18.5px;font-weight:800;letter-spacing:-.3px;color:var(--ht-text);white-space:nowrap}
.brand:hover .brand-text{color:var(--ht-green-dark)}
.nav-search{position:relative;display:flex;align-items:center;gap:10px;flex:1 1 360px;max-width:540px;height:48px;background:#fff;border:1px solid var(--ht-line);border-radius:999px;padding:0 6px 0 18px;transition:border-color .2s ease,box-shadow .2s ease}
.nav-search:focus-within{border-color:var(--ht-green);box-shadow:0 0 0 3px rgba(15,157,110,.18)}
.nav-search .fa-magnifying-glass{color:var(--ht-weak);font-size:15px}
.nav-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:15px;color:var(--ht-text);height:100%}
.nav-search input::placeholder{color:var(--ht-weak)}
.nav-search .search-btn{flex:none;border:0;height:38px;padding:0 20px;border-radius:999px;background:var(--grad);color:#fff;font-size:14px;font-weight:700;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}
.nav-search .search-btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(15,157,110,.9)}
.nav-chips{display:flex;align-items:center;gap:8px;margin-left:auto}
.chip{padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;color:var(--ht-muted);white-space:nowrap;transition:all .2s ease}
.chip:hover{color:var(--ht-green-dark);background:var(--ht-green-light)}
.chip.active{background:var(--ht-green-light);color:var(--ht-green-dark)}
.btn-main,.btn-ghost,.btn-text{cursor:pointer;border-radius:999px;font-weight:700;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1.5px solid transparent;text-align:center}
.btn-main{background:var(--grad);color:#fff;padding:14px 28px;font-size:15px;box-shadow:0 14px 30px -18px rgba(15,157,110,.95)}
.btn-main:hover{color:#fff;transform:translateY(-1px);box-shadow:0 20px 42px -18px rgba(15,157,110,.95)}
.btn-ghost{background:#fff;color:var(--ht-green-dark);border-color:var(--ht-green);padding:13px 26px;font-size:15px}
.btn-ghost:hover{background:var(--ht-green-light);color:var(--ht-green-dark)}
.btn-text{background:none;border:0;padding:0;font-size:14.5px;color:var(--ht-green-dark);border-bottom:2px solid rgba(15,157,110,.35);border-radius:0;padding-bottom:2px}
.btn-text:hover{border-bottom-color:var(--ht-green);color:var(--ht-green)}
.nav-cta{padding:12px 22px;font-size:14.5px;flex:none}
.nav-toggle{display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--ht-line);background:#fff;color:var(--ht-text);font-size:18px;align-items:center;justify-content:center}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(11,26,20,.5);opacity:0;visibility:hidden;transition:.25s;z-index:1050}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:82%;max-width:340px;background:#fff;z-index:1060;transform:translateX(105%);transition:transform .28s cubic-bezier(.2,.8,.2,1);padding:24px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer h4{font-size:16px;margin-bottom:14px}
.drawer .drawer-link{display:block;padding:14px 16px;border-radius:var(--r-sm);background:var(--ht-page);color:var(--ht-text);font-weight:600;margin-bottom:10px}
.drawer .drawer-link.active{background:var(--ht-green-light);color:var(--ht-green-dark)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--ht-line);background:#fff;font-size:16px;margin-bottom:18px}

/* Hero */
.hero{position:relative;background:linear-gradient(180deg,var(--ht-green-light) 0%,rgba(230,246,239,0) 62%),var(--ht-page);overflow:hidden}
.hero::before{content:"";position:absolute;top:0;left:0;right:0;height:45%;background:var(--grad);opacity:.12;pointer-events:none}
.hero-inner{position:relative;padding:72px 0 84px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.5px}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,#0A7A55,#0F9D6E 60%,#4FCB95);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:20px;font-size:17.5px;color:var(--ht-muted);max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:38px}
.stat-badge{background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-md);padding:16px 16px 14px;box-shadow:var(--sh-1);transition:transform .24s cubic-bezier(.2,.8,.2,1),box-shadow .24s ease,border-color .24s ease}
.stat-badge:hover{transform:translateY(-4px);border-color:rgba(15,157,110,.3);box-shadow:var(--sh-2)}
.stat-badge .num{font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.5px;font-variant-numeric:tabular-nums;color:var(--ht-text);line-height:1.15}
.stat-badge .num small{font-size:.6em;font-weight:700;color:var(--ht-green-dark);margin-left:2px}
.stat-badge .lbl{margin-top:6px;font-size:13px;color:var(--ht-muted)}
.hero-visual{position:relative}
.hero-visual img{width:100%;border-radius:var(--r-lg);box-shadow:var(--sh-1);object-fit:cover;aspect-ratio:16/12}
.hero-float{position:absolute;right:-12px;bottom:-18px;background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-md);padding:16px 20px;box-shadow:var(--sh-2);min-width:196px}
.hero-float .num{font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;background:linear-gradient(135deg,#0A7A55,#0F9D6E);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.hero-float .lbl{font-size:12.5px;color:var(--ht-muted);margin-top:4px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.tag-pill{font-size:12.5px;font-weight:700;padding:6px 12px;border-radius:999px;background:var(--ht-lime);color:var(--ht-ink)}
.tag-pill.soft{background:var(--ht-green-light);color:var(--ht-green-dark)}

/* 卡片 */
.ht-card{background:var(--ht-card);border:1px solid var(--ht-line);border-radius:var(--r-md);box-shadow:var(--sh-1);transition:transform .24s cubic-bezier(.2,.8,.2,1),box-shadow .24s ease,border-color .24s ease;height:100%;display:flex;flex-direction:column;overflow:hidden}
.ht-card:hover{transform:translateY(-4px);border-color:rgba(15,157,110,.3);box-shadow:var(--sh-2)}
.ht-card .card-body{padding:24px}
.ht-card h3{font-size:20px;font-weight:700}
.ht-card p{color:var(--ht-muted);font-size:15px;margin-top:10px}
.icon-box{width:52px;height:52px;border-radius:16px;background:var(--ht-green-light);color:var(--ht-green-dark);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px}
.icon-box.lime{background:var(--ht-lime);color:var(--ht-ink)}
.icon-box.orange{background:rgba(255,106,43,.12);color:var(--ht-orange)}
.mini-badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:6px 12px;border-radius:999px;background:var(--ht-green-light);color:var(--ht-green-dark);margin-top:18px;width:fit-content}
.mini-badge.lime{background:var(--ht-lime);color:var(--ht-ink)}
.card-wide{flex-direction:row;align-items:stretch}
.card-wide .card-media{flex:0 0 44%;min-height:100%}
.card-wide .card-media img{width:100%;height:100%;object-fit:cover}
.card-wide .card-body{flex:1;display:flex;flex-direction:column;justify-content:center}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.card-placeholder{width:100%;aspect-ratio:16/10;background:var(--ht-green-light);display:flex;align-items:center;justify-content:center;color:var(--ht-green);font-size:26px}

/* 场景 */
.scene-nav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px;border:0}
.scene-nav .nav-link{border:1px solid var(--ht-line);background:#fff;color:var(--ht-muted);border-radius:999px;padding:10px 22px;font-weight:700;font-size:14.5px;transition:all .2s ease}
.scene-nav .nav-link:hover{color:var(--ht-green-dark);border-color:rgba(15,157,110,.4)}
.scene-nav .nav-link.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 14px 30px -18px rgba(15,157,110,.95)}
.scene-panel{background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.scene-panel img{border-radius:var(--r-md);aspect-ratio:16/11;object-fit:cover;width:100%}
.scene-panel h3{font-size:24px}
.scene-panel .scene-desc{color:var(--ht-muted);margin-top:12px;font-size:15.5px}
.point-list{margin-top:18px}
.point-list li{position:relative;padding-left:26px;margin-bottom:10px;color:var(--ht-muted);font-size:15px}
.point-list li::before{content:"";position:absolute;left:6px;top:12px;width:8px;height:8px;border-radius:50%;background:var(--ht-green)}
.scene-panel .btn-text{margin-top:20px}

/* 案例 */
.case-main{background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;height:100%;display:flex;flex-direction:column}
.case-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.case-main .case-body{padding:26px;display:flex;flex-direction:column;flex:1}
.case-quote{font-size:19px;font-weight:700;line-height:1.6;margin-top:14px}
.case-meta{color:var(--ht-muted);font-size:14px;margin-top:12px}
.case-sub{background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:22px;height:100%;display:flex;flex-direction:column;transition:transform .24s cubic-bezier(.2,.8,.2,1),box-shadow .24s ease,border-color .24s ease}
.case-sub:hover{transform:translateY(-4px);border-color:rgba(15,157,110,.3);box-shadow:var(--sh-2)}
.case-sub .case-quote{font-size:16.5px}
.bar{height:8px;border-radius:999px;background:var(--ht-line);overflow:hidden;margin-top:10px}
.bar span{display:block;height:100%;border-radius:999px;background:var(--grad)}
.bar-row{margin-top:auto;padding-top:20px}
.bar-row .bar-top{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;color:var(--ht-muted)}
.bar-row .bar-top b{font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--ht-green-dark)}
.cat-tag{display:inline-flex;align-items:center;font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;background:var(--ht-green-light);color:var(--ht-green-dark);width:fit-content}

/* 资讯 */
.news-tabs{display:flex;gap:8px;flex-wrap:wrap}
.news-tabs a{font-size:13.5px;font-weight:600;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--ht-line);color:var(--ht-muted)}
.news-tabs a:hover{color:var(--ht-green-dark);border-color:rgba(15,157,110,.4)}
.news-tabs a.active{background:var(--ht-green-light);color:var(--ht-green-dark);border-color:transparent}
.post-card{background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);height:100%;transition:transform .24s cubic-bezier(.2,.8,.2,1),box-shadow .24s ease,border-color .24s ease}
.post-card:hover{transform:translateY(-4px);border-color:rgba(15,157,110,.3);box-shadow:var(--sh-2)}
.post-card .post-thumb{display:block}
.post-card .post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
.post-card .post-body{padding:20px 22px 22px}
.post-card h3{font-size:17px;line-height:1.55;margin-top:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card h3 a{color:var(--ht-text)}
.post-card h3 a:hover{color:var(--ht-green-dark)}
.post-card .post-sum{margin-top:10px;font-size:14px;color:var(--ht-muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card .post-meta{margin-top:16px;font-size:13px;color:var(--ht-weak);display:flex;align-items:center;gap:8px}
.empty-state{background:#fff;border:1px dashed var(--ht-line);border-radius:var(--r-lg);padding:44px 24px;text-align:center}
.empty-state .empty-icon{width:64px;height:64px;border-radius:50%;background:var(--ht-green-light);color:var(--ht-green);display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 16px}
.empty-state p{color:var(--ht-muted);font-size:15px}

/* 价格 */
.price-card{background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-lg);padding:30px 28px;box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;position:relative;transition:transform .24s cubic-bezier(.2,.8,.2,1),box-shadow .24s ease}
.price-card:hover{box-shadow:var(--sh-2)}
.price-card.featured{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;transform:translateY(-12px)}
.price-card .plan-name{font-size:17px;font-weight:800}
.price-card .price{margin-top:14px;font-size:40px;font-weight:800;letter-spacing:-1px;font-variant-numeric:tabular-nums;line-height:1.05}
.price-card .price small{font-size:15px;font-weight:700;color:var(--ht-muted);margin-left:6px}
.price-card .plan-note{color:var(--ht-muted);font-size:14px;margin-top:10px}
.price-card ul{margin-top:22px;flex:1}
.price-card ul li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ht-muted);margin-bottom:12px}
.price-card ul li i{color:var(--ht-green);margin-top:5px;font-size:13px}
.plan-badge{position:absolute;top:-13px;right:24px;background:var(--ht-lime);color:var(--ht-ink);font-size:12.5px;font-weight:800;padding:5px 14px;border-radius:999px}
.price-card .btn-main,.price-card .btn-ghost{width:100%;margin-top:22px}
.price-note{margin-top:24px;color:var(--ht-muted);font-size:14px;text-align:center}

/* FAQ */
.faq-wrap{background:#fff;border:1px solid var(--ht-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;margin-top:32px}
.accordion-item{border:0;border-bottom:1px solid var(--ht-line);background:transparent}
.accordion-item:last-child{border-bottom:0}
.accordion-button{background:transparent;border:0;box-shadow:none;font-size:17px;font-weight:700;color:var(--ht-text);padding:22px 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;text-align:left}
.accordion-button:not(.collapsed){color:var(--ht-green-dark);background:transparent}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(15,157,110,.18);z-index:2}
.accordion-button::after{background-image:none;content:"+";width:32px;height:32px;flex:none;border-radius:50%;background:var(--ht-green-light);color:var(--ht-green-dark);display:flex;align-items:center;justify-content:center;font-size:19px;line-height:1;transition:transform .25s ease,background .25s ease,color .25s ease;margin-left:auto}
.accordion-button:not(.collapsed)::after{content:"+";background:var(--ht-green);color:#fff;transform:rotate(45deg)}
.accordion-body{padding:0 26px 24px;color:var(--ht-muted);font-size:15.5px;line-height:1.85}

/* CTA */
.cta-band{background:var(--grad);border-radius:var(--r-lg);padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;flex-wrap:wrap;box-shadow:0 28px 60px -34px rgba(15,157,110,.95)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.cta-band p{color:rgba(255,255,255,.9);margin-top:10px;font-size:15.5px;max-width:640px}
.cta-band .btn-light-ht{background:#fff;color:var(--ht-green-dark);border-radius:999px;padding:15px 30px;font-weight:800;font-size:15px;display:inline-flex;align-items:center;gap:8px;border:0;transition:transform .2s ease,box-shadow .2s ease}
.cta-band .btn-light-ht:hover{transform:translateY(-1px);box-shadow:0 18px 36px -18px rgba(11,26,20,.45);color:var(--ht-green-dark)}

/* 页脚 */
.site-footer{background:var(--ht-ink);color:rgba(255,255,255,.72);padding:66px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:36px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:800}
.site-footer a{color:rgba(255,255,255,.72);font-size:14px}
.site-footer a:hover{color:var(--ht-lime)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800}
.footer-desc{font-size:14px;line-height:1.8;max-width:280px}
.footer-links li{margin-bottom:11px}
.footer-form{display:flex;flex-direction:column;gap:12px}
.footer-form input{height:48px;border-radius:var(--r-sm);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:#fff;padding:0 16px;font-size:14.5px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.footer-form input::placeholder{color:rgba(255,255,255,.4)}
.footer-form input:focus{border-color:var(--ht-green);box-shadow:0 0 0 3px rgba(15,157,110,.25)}
.footer-form button{border:0;height:48px;border-radius:var(--r-sm);background:var(--grad);color:#fff;font-weight:800;font-size:14.5px;cursor:pointer;transition:transform .2s ease}
.footer-form button:hover{transform:translateY(-1px)}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}
.contact-line{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:14px}
.contact-line i{color:var(--ht-lime);width:16px}

/* 响应式 */
@media (max-width:1199.98px){
  :root{--sec-pad:72px}
}
@media (max-width:991.98px){
  :root{--sec-pad:64px}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 0 64px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-float{right:12px;bottom:-14px}
  .scene-panel{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .card-wide{flex-direction:column}
  .card-wide .card-media{flex:none}
  .card-wide .card-media img{aspect-ratio:16/9;height:auto}
  .nav-chips{order:4;width:100%;margin-left:0;overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;scrollbar-width:none}
  .nav-chips::-webkit-scrollbar{display:none}
  .nav-search{order:3;flex:1 1 100%;max-width:none}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-cta{order:2;margin-left:0}
  .nav-main-inner{gap:14px}
}
@media (max-width:767.98px){
  :root{--sec-pad:48px}
  .container{padding-left:16px;padding-right:16px}
  body{font-size:16px}
  .topbar-inner{font-size:12px}
  .topbar-inner span{max-width:56%}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .price-card.featured{transform:none}
  .cta-band{padding:32px 24px}
  .cta-band .btn-light-ht{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr}
  .sec-head{margin-bottom:28px}
  .scene-panel{padding:20px}
  .accordion-button{padding:18px 20px;font-size:16px}
  .accordion-body{padding:0 20px 20px;font-size:15px}
}
@media (max-width:575.98px){
  .brand-text{font-size:16px}
  .brand-mark{width:38px;height:38px;font-size:17px}
  .nav-search{height:48px;padding-left:14px}
  .nav-search .search-btn{height:38px;padding:0 16px}
  .hero-float{position:static;margin-top:16px;width:100%}
  .hero-visual img{aspect-ratio:16/11}
}

/* roulang page: article */
:root{
  --brand:#0F9D6E;
  --brand-dark:#0A7A55;
  --brand-light:#E6F6EF;
  --lime:#C8F169;
  --orange:#FF6A2B;
  --ink:#0B1A14;
  --page:#F4F7F5;
  --card:#FFFFFF;
  --text:#16211C;
  --muted:#5A6B63;
  --weak:#8A9A92;
  --line:#E2EAE6;
  --line-hover:rgba(15,157,110,.3);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,26,20,.04), 0 12px 32px -12px rgba(11,26,20,.12);
  --sh-2:0 20px 48px -16px rgba(15,157,110,.28);
  --grad:linear-gradient(135deg,#0F9D6E 0%,#1FC08A 55%,#C8F169 100%);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-primary:#0F9D6E;
  --bs-body-color:#16211C;
  --bs-body-bg:#F4F7F5;
  --bs-border-color:#E2EAE6;
  --bs-border-radius:18px;
  --bs-link-color:#0A7A55;
  --bs-link-hover-color:#0F9D6E;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  line-height:1.4;
  background:var(--brand-light);
  color:var(--brand-dark);
  white-space:nowrap;
}
.badge-pill.is-lime{background:var(--lime);color:var(--ink);}
.badge-pill.is-outline{background:transparent;border:1px solid var(--line-hover);color:var(--brand-dark);}

/* 按钮体系 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  line-height:1;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .24s ease,background-color .24s ease,color .2s ease,border-color .2s ease;
}
.btn:focus-visible,button:focus-visible,input:focus-visible,a:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(15,157,110,.25);
}
.btn-grad{
  background:var(--grad);
  color:#FFFFFF;
  box-shadow:0 12px 28px -14px rgba(15,157,110,.65);
}
.btn-grad:hover{
  color:#FFFFFF;
  transform:translateY(-1px);
  box-shadow:0 18px 36px -14px rgba(15,157,110,.7);
  background:linear-gradient(120deg,#0F9D6E 0%,#1FC08A 50%,#C8F169 100%);
}
.btn-line{
  background:#FFFFFF;
  border-color:var(--brand);
  color:var(--brand-dark);
}
.btn-line:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}
.btn-block{width:100%;}
.btn:disabled{opacity:.45;pointer-events:none;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:700;
  color:var(--brand-dark);
  border-bottom:2px solid var(--line-hover);
  padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.link-more:hover{border-color:var(--brand);color:var(--brand);}

/* 导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,0);
  transition:background-color .2s ease,box-shadow .2s ease,border-color .2s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px -22px rgba(11,26,20,.55);
}
.topbar{background:var(--ink);color:rgba(255,255,255,.86);font-size:13px;}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:38px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar-text{display:inline-flex;align-items:center;gap:8px;}
.topbar-text i{color:var(--lime);}
.topbar-link{color:#FFFFFF;font-weight:600;white-space:nowrap;}
.topbar-link:hover{color:var(--lime);}
.mainbar-inner{
  display:flex;
  align-items:center;
  gap:24px;
  padding-top:16px;
  padding-bottom:16px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;
  border-radius:13px;
  background:var(--grad);
  color:#FFFFFF;
  font-weight:800;
  font-size:19px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  letter-spacing:0;
  box-shadow:0 10px 22px -12px rgba(15,157,110,.75);
}
.brand-text{
  font-size:19px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.2px;
}
.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:560px;
  min-width:260px;
  display:flex;
  align-items:center;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  height:48px;
  padding:0 4px 0 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(15,157,110,.18);
}
.nav-search .search-icon{color:var(--weak);font-size:15px;}
.nav-search input{
  flex:1 1 auto;
  border:0;
  outline:none;
  background:transparent;
  height:100%;
  padding:0 12px;
  font-size:15px;
  color:var(--text);
}
.nav-search input::placeholder{color:var(--weak);}
.nav-search button{
  flex:0 0 auto;
  width:40px;height:40px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--grad);
  color:#FFFFFF;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:transform .2s ease,box-shadow .24s ease;
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(15,157,110,.8);}
.mainbar-actions{flex:0 0 auto;display:flex;align-items:center;gap:12px;}
.chipbar{
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.75);
}
.chipbar-inner{padding-top:10px;padding-bottom:10px;}
.nav-chips{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:#FFFFFF;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--line-hover);color:var(--brand-dark);transform:translateY(-1px);}
.chip.active{
  background:var(--brand-light);
  border-color:var(--line-hover);
  color:var(--brand-dark);
}

/* 文章页布局 */
.page-crumb-band{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--page) 100%);
  border-bottom:1px solid var(--line);
}
.crumb-inner{
  padding-top:18px;
  padding-bottom:18px;
  font-size:13px;
  color:var(--muted);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.crumb-inner a{color:var(--brand-dark);font-weight:600;}
.crumb-sep{color:var(--weak);}
.crumb-current{color:var(--weak);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-section{padding:56px 0 88px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) 260px;
  gap:48px;
  justify-content:center;
  align-items:start;
}
.article-col{min-width:0;}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:32px 36px;
}
.article-cat{margin-bottom:16px;}
.article-title{
  font-size:clamp(26px,3.4vw,40px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  font-size:13px;
  color:var(--weak);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.article-head-line{
  height:1px;
  background:var(--line);
  margin:22px 0 28px;
}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  word-wrap:break-word;
}
.article-body > * + *{margin-top:1.2em;}
.article-body p{margin:0;font-size:17px;line-height:1.9;color:#1F2C26;}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.4vw,27px);
  font-weight:700;
  line-height:1.4;
  margin-top:40px;
  margin-bottom:0;
  padding-left:16px;
  scroll-margin-top:120px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;bottom:.22em;
  width:4px;
  border-radius:4px;
  background:var(--grad);
}
.article-body h3{
  font-size:20px;
  font-weight:700;
  line-height:1.5;
  margin-top:28px;
  color:var(--ink);
  scroll-margin-top:120px;
}
.article-body h4{font-size:17px;font-weight:700;margin-top:22px;}
.article-body a{color:var(--brand-dark);border-bottom:1px solid var(--line-hover);}
.article-body a:hover{color:var(--brand);border-color:var(--brand);}
.article-body ul,.article-body ol{padding-left:22px;}
.article-body ul{list-style:none;padding-left:20px;}
.article-body ul li{position:relative;padding-left:16px;line-height:1.85;margin:8px 0;}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--brand);
}
.article-body ol{list-style:decimal;}
.article-body ol li{line-height:1.85;margin:8px 0;}
.article-body blockquote{
  margin:1.4em 0;
  padding:16px 20px;
  border-left:3px solid var(--brand);
  background:var(--brand-light);
  border-radius:var(--r-sm);
  color:var(--muted);
}
.article-body blockquote p{margin:0;color:var(--muted);}
.article-body img{
  border-radius:16px;
  margin:1.6em auto;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--weak);
  text-align:center;
  margin-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  overflow:hidden;
  font-size:15px;
}
.article-body thead th{
  background:var(--brand-light);
  color:var(--brand-dark);
  font-weight:700;
  text-align:left;
}
.article-body th,.article-body td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
}
.article-body tbody tr:nth-child(even){background:#FAFCFB;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body pre,.article-body code{
  font-family:"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:14.5px;
}
.article-body pre{
  background:var(--page);
  border-radius:var(--r-sm);
  padding:16px 18px;
  overflow-x:auto;
  border:1px solid var(--line);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

.article-empty{
  text-align:center;
  padding:48px 24px;
}
.article-empty .empty-icon{
  width:64px;height:64px;
  margin:0 auto 16px;
  border-radius:50%;
  background:var(--brand-light);
  color:var(--brand-dark);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
}
.article-empty h2{font-size:20px;font-weight:700;margin-bottom:8px;}
.article-empty p{color:var(--muted);font-size:15px;margin-bottom:20px;}

.article-foot{
  margin-top:28px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:7px 14px;
  border-radius:var(--r-pill);
  background:var(--brand-light);
  color:var(--brand-dark);
  font-size:13px;
  font-weight:600;
  transition:all .2s ease;
}
.tag:hover{background:var(--brand);color:#FFFFFF;}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--weak);}
.share-btn{
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#FFFFFF;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:all .2s ease;
}
.share-btn:hover{border-color:var(--line-hover);color:var(--brand-dark);transform:translateY(-2px);}

.back-row{margin-top:26px;}

/* 侧栏 */
.article-side{
  position:sticky;
  top:130px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:20px;
}
.side-title{
  font-size:14px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:.5px;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-title i{color:var(--brand);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;
  font-size:14px;
  color:var(--muted);
  padding:6px 0 6px 12px;
  border-left:2px solid var(--line);
  line-height:1.6;
  transition:all .2s ease;
}
.toc-link:hover{color:var(--brand-dark);border-color:var(--brand);background:var(--brand-light);}
.toc-link.is-sub{padding-left:24px;font-size:13.5px;}
.side-links{display:flex;flex-direction:column;gap:10px;}
.side-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:14.5px;
  font-weight:600;
  color:var(--text);
  padding:12px 14px;
  border-radius:var(--r-sm);
  background:var(--page);
  border:1px solid var(--line);
  transition:all .2s ease;
}
.side-link span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.side-link i{color:var(--brand);font-size:12px;flex:0 0 auto;}
.side-link:hover{background:#FFFFFF;border-color:var(--line-hover);color:var(--brand-dark);transform:translateY(-2px);}
.side-tip{
  background:var(--ink);
  color:rgba(255,255,255,.86);
  border:0;
}
.side-tip .side-title{color:#FFFFFF;}
.side-tip .side-title i{color:var(--lime);}
.side-tip p{font-size:14px;color:rgba(255,255,255,.78);margin:0 0 14px;line-height:1.75;}

/* 相关阅读 */
.related-section{margin-top:56px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:24px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head p{font-size:14px;color:var(--muted);margin:6px 0 0;}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s cubic-bezier(.2,.8,.2,1),box-shadow .24s ease,border-color .24s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--sh-2);}
.post-cover{
  aspect-ratio:16/10;
  background:var(--brand-light);
  overflow:hidden;
}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;}
.post-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;
}
.post-body h3 a{color:var(--text);}
.post-body h3 a:hover{color:var(--brand-dark);}
.post-desc{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-date{font-size:12.5px;color:var(--weak);display:inline-flex;align-items:center;gap:6px;}

/* 底部 CTA 带 */
.cta-band{
  background:var(--grad);
  border-radius:var(--r-lg);
  padding:38px 40px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  color:#FFFFFF;
  box-shadow:0 24px 50px -26px rgba(15,157,110,.7);
  margin-top:56px;
}
.cta-band h2{color:#FFFFFF;font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.3px;}
.cta-band p{color:rgba(255,255,255,.92);font-size:15px;margin:8px 0 0;max-width:52ch;}
.cta-band .btn-white{
  background:#FFFFFF;
  color:var(--brand-dark);
  border-color:#FFFFFF;
}
.cta-band .btn-white:hover{color:var(--brand-dark);transform:translateY(-1px);box-shadow:0 16px 34px -18px rgba(11,26,20,.6);}

/* 页脚 */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.8);
  margin-top:88px;
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;font-size:17px;border-radius:12px;}
.footer-brand .brand-text{color:#FFFFFF;font-size:18px;font-weight:800;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.66);line-height:1.8;margin:0;max-width:34ch;}
.site-footer h4{
  color:#FFFFFF;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--lime);}
.contact-line{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin-bottom:10px;
}
.contact-line i{color:var(--lime);}
.footer-form{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.footer-form input{
  height:46px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#FFFFFF;
  padding:0 16px;
  font-size:14px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,241,105,.22);}
.footer-form button{
  height:46px;
  border:0;
  border-radius:var(--r-sm);
  background:var(--grad);
  color:#FFFFFF;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .24s ease;
}
.footer-form button:hover{transform:translateY(-1px);box-shadow:0 14px 30px -16px rgba(15,157,110,.85);}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side .side-card{flex:1 1 280px;}
}
@media (max-width:991px){
  .mainbar-inner{flex-wrap:wrap;gap:16px;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;}
  .mainbar-actions{margin-left:auto;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .article-section{padding:36px 0 64px;}
  .article-card{padding:24px 20px;border-radius:var(--r-md);}
  .article-body{font-size:16.5px;}
  .article-body p{font-size:16.5px;}
  .cta-band{padding:28px 22px;border-radius:var(--r-md);}
  .cta-band .btn{width:100%;}
  .article-title{font-size:25px;}
  .topbar-inner{justify-content:flex-start;overflow:hidden;}
  .topbar-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .topbar-link{display:none;}
  .post-desc{-webkit-line-clamp:2;}
}
@media (max-width:576px){
  .brand-text{font-size:17px;}
  .brand-mark{width:38px;height:38px;font-size:17px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .mainbar-actions .btn{padding:12px 18px;font-size:14px;}
  .nav-search{height:48px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .crumb-current{white-space:normal;}
}

/* roulang page: category2 */
/* ===================== 设计变量 ===================== */
:root{
  --brand:#0F9D6E;
  --brand-dark:#0A7A55;
  --brand-light:#E6F6EF;
  --lime:#C8F169;
  --orange:#FF6A2B;
  --ink:#0B1A14;
  --bg:#F4F7F5;
  --card:#FFFFFF;
  --text:#16211C;
  --text-2:#5A6B63;
  --text-3:#8A9A92;
  --border:#E2EAE6;
  --border-hover:rgba(15,157,110,.30);
  --grad:linear-gradient(135deg,#0F9D6E 0%,#1FC08A 55%,#C8F169 100%);
  --grad-btn:linear-gradient(120deg,#0F9D6E 0%,#1FC08A 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 1px 2px rgba(11,26,20,.04),0 12px 32px -12px rgba(11,26,20,.12);
  --sh-hover:0 20px 48px -16px rgba(15,157,110,.28);
  --ease:cubic-bezier(.2,.8,.2,1);
  /* Bootstrap 变量覆盖 */
  --bs-primary:#0F9D6E;
  --bs-primary-rgb:15,157,110;
  --bs-body-color:#16211C;
  --bs-body-bg:#F4F7F5;
  --bs-border-color:#E2EAE6;
  --bs-border-radius:14px;
  --bs-link-color:#0F9D6E;
  --bs-link-hover-color:#0A7A55;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--text);line-height:1.3;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:3px solid rgba(15,157,110,.35);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
.section{padding:88px 0;}
.section-alt{background:#FFFFFF;}

/* ===================== 顶部公告条 ===================== */
.topbar{background:var(--ink);color:#fff;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-inner span{color:rgba(255,255,255,.82);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-inner a{color:var(--lime);font-weight:600;}
.topbar-inner a:hover{color:#fff;}

/* ===================== 导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(244,247,245,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.92);
  border-bottom-color:var(--border);
  box-shadow:0 6px 24px -18px rgba(11,26,20,.4);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:78px;flex-wrap:wrap;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:19px;
  box-shadow:0 6px 18px -8px rgba(15,157,110,.7);
}
.brand-text{font-weight:800;font-size:18px;color:var(--text);letter-spacing:-.3px;}
.brand:hover .brand-text{color:var(--brand-dark);}

.nav-search{
  flex:1 1 240px;max-width:460px;min-width:200px;
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1.5px solid var(--border);
  border-radius:999px;padding:5px 5px 5px 18px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,157,110,.18);}
.nav-search > i{color:var(--text-3);font-size:15px;}
.nav-search input{
  flex:1;border:0;outline:0;background:transparent;
  font-size:14.5px;color:var(--text);height:38px;min-width:0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  border:0;border-radius:999px;background:var(--grad-btn);color:#fff;
  font-weight:700;font-size:14px;height:38px;padding:0 22px;white-space:nowrap;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.nav-search button:hover{filter:brightness(1.06);transform:translateY(-1px);}

.nav-chips{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;}
.chip{
  display:inline-block;padding:8px 15px;border-radius:999px;
  font-size:14px;color:var(--text-2);background:#fff;border:1px solid var(--border);
  white-space:nowrap;transition:all .2s var(--ease);
}
.chip:hover{color:var(--brand-dark);background:var(--brand-light);border-color:var(--border-hover);}
.chip.active{
  background:var(--brand-light);color:var(--brand-dark);
  border-color:rgba(15,157,110,.30);font-weight:700;
}

.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;background:var(--grad-btn);color:#fff;
  font-weight:700;font-size:15px;padding:13px 26px;line-height:1.2;
  box-shadow:0 10px 26px -14px rgba(15,157,110,.85);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.btn-grad:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);filter:brightness(1.04);}
.btn-grad:active{transform:translateY(0);}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid var(--brand);border-radius:999px;background:#fff;color:var(--brand-dark);
  font-weight:700;font-size:15px;padding:12px 26px;line-height:1.2;
  transition:all .2s var(--ease);
}
.btn-outline-brand:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}
.btn-link-brand{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);
  font-weight:700;font-size:15px;border-bottom:2px solid transparent;
  padding-bottom:2px;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.btn-link-brand:hover{border-bottom-color:var(--brand);color:var(--brand-dark);}
.header-cta{flex:0 0 auto;padding:12px 24px;font-size:14.5px;}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--border);background:#fff;color:var(--text);
  align-items:center;justify-content:center;font-size:17px;
}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,26,20,.45);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;z-index:1040;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:290px;max-width:86vw;
  background:#fff;z-index:1050;padding:22px 20px;
  transform:translateX(102%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;gap:20px;
  box-shadow:-20px 0 48px -24px rgba(11,26,20,.45);
}
body.drawer-open .drawer{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding-bottom:16px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--border);
  background:#fff;color:var(--text-2);display:grid;place-items:center;font-size:16px;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:var(--r-sm);color:var(--text);
  font-size:15px;font-weight:600;border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--brand-light);color:var(--brand-dark);}
.drawer-nav a.active{background:var(--brand-light);color:var(--brand-dark);border-color:var(--border-hover);}
.drawer-cta{margin-top:auto;width:100%;}

/* ===================== Hero ===================== */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(10,122,85,.88) 0%,rgba(11,26,20,.90) 78%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  color:#fff;padding:96px 0 64px;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,241,105,.28),transparent 65%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;font-size:13px;
  color:rgba(255,255,255,.72);margin-bottom:20px;flex-wrap:wrap;
}
.breadcrumb-line a{color:rgba(255,255,255,.86);}
.breadcrumb-line a:hover{color:var(--lime);}
.breadcrumb-line .sep{color:rgba(255,255,255,.42);}
.breadcrumb-line .now{color:rgba(255,255,255,.62);}
.hero-tag{
  display:inline-block;background:rgba(200,241,105,.16);border:1px solid rgba(200,241,105,.5);
  color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.4px;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.4vw,52px);font-weight:800;
  line-height:1.18;letter-spacing:-.5px;margin-bottom:18px;
}
.page-hero .hero-sub{
  font-size:clamp(15px,1.6vw,18px);line-height:1.75;
  color:rgba(255,255,255,.84);max-width:640px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-actions .btn-grad{padding:15px 32px;font-size:16px;}
.hero-actions .btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  border:1.5px solid rgba(255,255,255,.5);border-radius:999px;
  padding:14px 28px;color:#fff;font-weight:700;font-size:15px;
  transition:all .2s var(--ease);
}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;}
.stat-badge{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);
  border-radius:var(--r-md);padding:14px 22px;min-width:150px;
  backdrop-filter:blur(4px);
}
.stat-badge b{
  display:block;font-size:28px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-badge b small{font-size:60%;font-weight:700;margin-left:3px;color:var(--lime);}
.stat-badge span{display:block;font-size:12.5px;color:rgba(255,255,255,.76);margin-top:2px;}

/* ===================== 板块头 ===================== */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;margin-bottom:44px;flex-wrap:wrap;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-dark);
  letter-spacing:.5px;margin-bottom:12px;
}
.eyebrow::before{
  content:"";width:22px;height:4px;border-radius:999px;background:var(--grad);
}
.section-head h2{font-size:clamp(24px,3vw,36px);letter-spacing:-.4px;}
.section-note{max-width:420px;font-size:14.5px;color:var(--text-2);margin:0;}

/* ===================== 准备区（5+7 不对称） ===================== */
.prep-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:stretch;}
.prep-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh);position:relative;overflow:hidden;
}
.prep-card::before{
  content:"";position:absolute;left:0;top:0;height:100%;width:5px;background:var(--grad);
}
.prep-card h3{font-size:21px;margin-bottom:16px;}
.prep-card .check-list{display:flex;flex-direction:column;gap:12px;margin-top:6px;}
.prep-card .check-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);line-height:1.75;
}
.prep-card .check-list i{color:var(--brand);font-size:15px;margin-top:5px;}
.prep-text{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh);
}
.prep-text h3{font-size:20px;margin-bottom:14px;}
.prep-text p{font-size:15.5px;color:var(--text-2);}
.prep-text p:last-child{margin-bottom:0;}
.prep-mini{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px;}
.mini-box{
  background:var(--brand-light);border-radius:var(--r-sm);padding:16px 18px;
  border:1px solid rgba(15,157,110,.14);
}
.mini-box b{display:block;font-size:20px;font-weight:800;color:var(--brand-dark);font-variant-numeric:tabular-nums;}
.mini-box span{font-size:13px;color:var(--text-2);}

/* ===================== 时间轴 ===================== */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:27px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(15,157,110,.15) 100%);
  border-radius:999px;
}
.timeline-item{position:relative;display:flex;gap:26px;padding:0 0 34px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-node{
  flex:0 0 auto;width:56px;height:56px;border-radius:50%;
  background:var(--grad);color:#fff;font-weight:800;font-size:20px;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
  box-shadow:0 12px 26px -14px rgba(15,157,110,.9);
  border:4px solid var(--bg);position:relative;z-index:2;
}
.timeline-body{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:24px 28px;box-shadow:var(--sh);flex:1;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.timeline-body:hover{transform:translateY(-4px);border-color:var(--border-hover);box-shadow:var(--sh-hover);}
.timeline-body h3{font-size:19px;margin-bottom:10px;}
.timeline-body p{font-size:15px;color:var(--text-2);margin:0;}
.timeline-body .step-tip{
  display:inline-flex;align-items:center;gap:7px;margin-top:14px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;
}

/* ===================== 图文交错 ===================== */
.zigzag{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  padding:44px 0;border-bottom:1px dashed var(--border);
}
.zigzag:last-of-type{border-bottom:0;padding-bottom:0;}
.zigzag:nth-child(even) .zigzag-media{order:2;}
.zigzag-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:var(--sh);border:1px solid var(--border);
}
.zigzag-text .tag{
  display:inline-block;background:var(--brand-light);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;padding:6px 13px;border-radius:999px;margin-bottom:14px;
}
.zigzag-text h3{font-size:clamp(20px,2.3vw,25px);margin-bottom:14px;letter-spacing:-.3px;}
.zigzag-text p{font-size:15.5px;color:var(--text-2);}
.dot-list{display:flex;flex-direction:column;gap:10px;margin-top:18px;}
.dot-list li{
  position:relative;padding-left:20px;font-size:15px;color:var(--text);line-height:1.75;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:7px;height:7px;border-radius:50%;background:var(--brand);
}

/* ===================== FAQ ===================== */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion.faq-accordion{--bs-accordion-border-color:transparent;}
.faq-accordion{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);
}
.faq-accordion .accordion-item{border:0;border-bottom:1px solid var(--border);background:transparent;}
.faq-accordion .accordion-item:last-child{border-bottom:0;}
.faq-accordion .accordion-button{
  background:transparent;box-shadow:none;border:0;
  padding:22px 26px;font-size:17px;font-weight:700;color:var(--text);
  display:flex;align-items:center;gap:16px;line-height:1.5;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand-dark);background:rgba(230,246,239,.45);}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(15,157,110,.18);border-radius:0;}
.faq-accordion .accordion-button::after{
  content:"+";background-image:none;background-color:var(--brand-light);color:var(--brand-dark);
  width:30px;height:30px;min-width:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;line-height:1;margin-left:0;
  transition:transform .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);background-color:var(--brand);color:#fff;
}
.faq-accordion .accordion-body{
  padding:4px 26px 24px;font-size:15.5px;line-height:1.85;color:var(--text-2);
}

/* ===================== 表单卡 ===================== */
.form-section{background:var(--bg);}
.form-card{
  max-width:720px;margin:0 auto;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);padding:40px;box-shadow:var(--sh);
}
.form-card h3{font-size:23px;margin-bottom:10px;}
.form-card .form-lead{font-size:15px;color:var(--text-2);margin-bottom:28px;}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:13px;font-weight:700;color:var(--text-2);margin-bottom:7px;}
.form-control-brand{
  width:100%;height:48px;border-radius:var(--r-sm);border:1.5px solid var(--border);
  background:#fff;padding:0 16px;font-size:15px;color:var(--text);outline:0;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
textarea.form-control-brand{height:auto;min-height:118px;padding:13px 16px;line-height:1.7;resize:vertical;}
.form-control-brand::placeholder{color:var(--text-3);}
.form-control-brand:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,157,110,.18);}
.form-note{font-size:12.5px;color:var(--text-3);margin:14px 0 0;}
.form-submit{width:100%;margin-top:8px;padding:15px 28px;font-size:16px;}

/* ===================== 页脚 ===================== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 24px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;
}
.footer-brand .brand-text{color:#fff;font-weight:800;font-size:17px;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:0;max-width:280px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(255,255,255,.68);font-size:14px;transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--lime);}
.contact-line{
  display:flex;align-items:center;gap:9px;font-size:14px;
  color:rgba(255,255,255,.7);margin-bottom:11px;
}
.contact-line i{color:var(--brand);font-size:14px;width:16px;text-align:center;}
.footer-form{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
.footer-form input{
  height:46px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.07);color:#fff;padding:0 15px;font-size:14px;outline:0;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.42);}
.footer-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,157,110,.28);}
.footer-form button{
  height:46px;border:0;border-radius:var(--r-sm);background:var(--grad-btn);
  color:#fff;font-weight:700;font-size:14.5px;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.footer-form button:hover{filter:brightness(1.06);transform:translateY(-1px);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ===================== 响应式 ===================== */
@media (max-width:1199.98px){
  .section{padding:72px 0;}
  .nav-search{max-width:360px;min-width:180px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .prep-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-search{max-width:300px;}
  .chip{padding:7px 12px;font-size:13.5px;}
}
@media (max-width:767.98px){
  .section{padding:48px 0;}
  .topbar-inner{height:34px;font-size:12px;}
  .header-inner{gap:10px;padding:10px 0;min-height:auto;}
  .brand-text{font-size:16px;}
  .brand-mark{width:34px;height:34px;font-size:17px;border-radius:10px;}
  .header-cta{order:2;margin-left:auto;padding:10px 18px;font-size:13.5px;}
  .nav-toggle{display:flex;order:3;}
  .nav-search{order:4;flex:0 0 100%;max-width:none;min-width:0;height:48px;padding-left:16px;}
  .nav-search input{height:42px;font-size:14px;}
  .nav-search button{height:42px;padding:0 18px;}
  .nav-chips{order:5;flex:0 0 100%;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;}
  .nav-chips::-webkit-scrollbar{display:none;}
  .page-hero{padding:56px 0 44px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-grad,.hero-actions .btn-ghost{width:100%;justify-content:center;}
  .hero-stats{gap:10px;}
  .stat-badge{flex:1 1 calc(50% - 10px);min-width:0;padding:12px 16px;}
  .stat-badge b{font-size:23px;}
  .zigzag{grid-template-columns:1fr;gap:24px;padding:32px 0;}
  .zigzag:nth-child(even) .zigzag-media{order:0;}
  .section-head{margin-bottom:30px;}
  .section-note{max-width:none;}
  .timeline::before{left:21px;}
  .timeline-node{width:44px;height:44px;font-size:16px;border-width:3px;}
  .timeline-item{gap:16px;padding-bottom:24px;}
  .timeline-body{padding:20px 20px;}
  .timeline-body h3{font-size:17px;}
  .prep-card,.prep-text{padding:24px;}
  .prep-mini{grid-template-columns:1fr;}
  .form-card{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .page-hero h1{font-size:clamp(26px,7.4vw,32px);}
  .faq-accordion .accordion-button{padding:18px 18px;font-size:15.5px;gap:12px;}
  .faq-accordion .accordion-body{padding:2px 18px 20px;font-size:14.5px;}
  .stat-badge{flex:1 1 100%;}
}

/* roulang page: category1 */
:root{
  --green:#0F9D6E;
  --green-dark:#0A7A55;
  --green-soft:#E6F6EF;
  --lime:#C8F169;
  --orange:#FF6A2B;
  --ink:#0B1A14;
  --bg:#F4F7F5;
  --card:#FFFFFF;
  --text:#16211C;
  --muted:#5A6B63;
  --faint:#8A9A92;
  --line:#E2EAE6;
  --line-hover:rgba(15,157,110,.30);
  --grad:linear-gradient(135deg,#0F9D6E 0%,#1FC08A 55%,#C8F169 100%);
  --grad-line:linear-gradient(135deg,#0F9D6E,#1FC08A 60%,#C8F169);
  --r-xl:24px;
  --r-lg:18px;
  --r-md:14px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(11,26,20,.04),0 12px 32px -12px rgba(11,26,20,.12);
  --sh-hover:0 20px 48px -16px rgba(15,157,110,.28);
  --t:240ms cubic-bezier(.2,.8,.2,1);
  --bs-primary:#0F9D6E;
  --bs-primary-rgb:15,157,110;
  --bs-body-color:#16211C;
  --bs-body-bg:#F4F7F5;
  --bs-border-color:#E2EAE6;
  --bs-border-radius:14px;
  --bs-link-color:#0F9D6E;
  --bs-link-hover-color:#0A7A55;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--green-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.3px;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font:inherit;}
:focus-visible{outline:3px solid rgba(15,157,110,.25);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}

/* ============ 顶部公告条 ============ */
.topbar{background:var(--ink);color:rgba(255,255,255,.80);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-inner span{display:inline-flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.topbar-inner span i{color:var(--lime);}
.topbar-inner a{color:var(--lime);font-weight:600;}
.topbar-inner a:hover{color:#fff;}

/* ============ 头部主栏 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;transition:box-shadow var(--t),background var(--t);}
.site-header.is-stuck{background:rgba(255,255,255,.94);backdrop-filter:saturate(160%) blur(10px);box-shadow:0 1px 0 var(--line),0 10px 30px -20px rgba(11,26,20,.45);}
.nav-main-inner{display:flex;align-items:center;gap:20px;padding-top:14px;padding-bottom:14px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad);color:#fff;
  font-weight:800;font-size:20px;display:grid;place-items:center;
  box-shadow:0 10px 20px -10px rgba(15,157,110,.75);
}
.brand-text{font-weight:800;font-size:19px;color:var(--ink);letter-spacing:-.4px;white-space:nowrap;}
.nav-search{
  flex:1;max-width:540px;position:relative;display:flex;align-items:center;
  height:46px;background:#fff;border:1.5px solid var(--line);border-radius:var(--r-pill);
  padding:0 6px 0 16px;transition:border-color var(--t),box-shadow var(--t);
}
.nav-search:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(15,157,110,.18);}
.nav-search > i{color:var(--faint);font-size:15px;margin-right:10px;}
.nav-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:15px;color:var(--text);}
.nav-search input::placeholder{color:var(--faint);}
.nav-search button{
  height:36px;padding:0 20px;border:0;border-radius:var(--r-pill);background:var(--grad);
  color:#fff;font-size:14px;font-weight:700;cursor:pointer;transition:filter var(--t),transform var(--t);
}
.nav-search button:hover{filter:brightness(1.06);transform:translateY(-1px);}
.nav-cta{flex-shrink:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -14px rgba(15,157,110,.85);}
.btn-primary:hover,.btn-primary:focus{color:#fff;transform:translateY(-1px);box-shadow:0 20px 36px -16px rgba(15,157,110,.75);}
.btn-outline{background:#fff;color:var(--green);border-color:var(--green);}
.btn-outline:hover,.btn-outline:focus{background:var(--green-soft);color:var(--green-dark);}
.btn-light{background:#fff;color:var(--green-dark);}
.btn-light:hover,.btn-light:focus{background:#fff;color:var(--green-dark);transform:translateY(-1px);box-shadow:0 18px 34px -16px rgba(11,26,20,.5);}
.btn:disabled,.btn.disabled{opacity:.45;pointer-events:none;}

/* ============ 分类胶囊导航 ============ */
.nav-chips-wrap{border-top:1px solid var(--line);background:#fff;}
.nav-chips{display:flex;align-items:center;gap:10px;padding:10px 0 12px;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{height:0;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1.5px solid var(--line);color:var(--muted);
  font-size:14px;font-weight:600;white-space:nowrap;transition:all var(--t);
}
.chip:hover{border-color:var(--line-hover);color:var(--green);background:var(--green-soft);}
.chip.active{background:var(--green-soft);border-color:rgba(15,157,110,.35);color:var(--green-dark);}

/* ============ 窄 Hero ============ */
.page-hero{position:relative;background:var(--grad);color:#fff;overflow:hidden;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 14% 18%,rgba(11,26,20,.58),transparent 58%),
    radial-gradient(circle at 86% 84%,rgba(200,241,105,.30),transparent 56%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:1;padding-top:44px;padding-bottom:26px;max-width:860px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.38);
  font-size:13px;font-weight:700;letter-spacing:.4px;
}
.page-hero h1{font-size:clamp(26px,3.6vw,42px);font-weight:800;color:#fff;margin:18px 0 14px;letter-spacing:-.6px;}
.hero-sub{font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.92);max-width:660px;}
.crumbs{display:flex;align-items:center;gap:8px;margin-top:20px;font-size:13px;color:rgba(255,255,255,.72);}
.crumbs a{color:rgba(255,255,255,.88);font-weight:600;}
.crumbs a:hover{color:#fff;}
.crumbs i{font-style:normal;opacity:.6;}
.crumbs .current{color:rgba(255,255,255,.75);}
.hero-badges{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:16px;padding-bottom:34px;}
.hero-badge{
  background:rgba(255,255,255,.96);border-radius:var(--r-lg);padding:14px 22px;min-width:186px;
  box-shadow:0 16px 32px -20px rgba(11,26,20,.55);transition:transform var(--t),box-shadow var(--t);
}
.hero-badge:hover{transform:translateY(-3px);box-shadow:0 22px 40px -20px rgba(11,26,20,.55);}
.hero-badge b{display:block;font-size:26px;font-weight:800;color:var(--ink);line-height:1.25;font-variant-numeric:tabular-nums;}
.hero-badge b small{font-size:13px;font-weight:700;color:var(--muted);margin-left:4px;}
.hero-badge span{font-size:12.5px;color:var(--muted);}

/* ============ 通用板块 ============ */
.sec{padding:88px 0;}
.sec-alt{background:#fff;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(24px,3vw,34px);display:flex;align-items:center;gap:12px;}
.sec-head h2::before{content:"";width:10px;height:28px;border-radius:4px;background:var(--grad-line);flex:0 0 auto;}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:640px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--green);transition:gap var(--t),color var(--t);}
.link-more:hover{gap:11px;color:var(--green-dark);}

/* ============ 简介卡 + 数据卡 ============ */
.intro-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:34px;box-shadow:var(--sh);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--green-soft);color:var(--green-dark);font-size:12.5px;font-weight:700;letter-spacing:.3px;
}
.intro-card h2{font-size:clamp(22px,2.4vw,28px);margin:18px 0 16px;}
.intro-card p{color:var(--muted);font-size:16px;line-height:1.9;}
.intro-card p + p{margin-top:16px;}
.data-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--sh);display:flex;flex-direction:column;justify-content:center;gap:22px;
}
.data-item{display:flex;align-items:flex-start;gap:14px;}
.data-item i{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;
  background:var(--green-soft);color:var(--green-dark);font-size:16px;
}
.data-item b{display:block;font-size:24px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3;}
.data-item span{font-size:13.5px;color:var(--muted);}

/* ============ 入口卡片 ============ */
.entry-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);padding:28px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.entry-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--sh-hover);}
.icon-box{
  width:50px;height:50px;border-radius:var(--r-md);display:grid;place-items:center;
  background:var(--green-soft);color:var(--green-dark);font-size:19px;margin-bottom:20px;
  transition:background var(--t),color var(--t),transform var(--t);
}
.entry-card:hover .icon-box{background:var(--grad);color:#fff;transform:rotate(-4deg);}
.entry-card h3{font-size:20px;margin-bottom:10px;}
.entry-card p{color:var(--muted);font-size:15.5px;line-height:1.8;}
.mini-badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;margin-top:16px;
  padding:5px 12px;border-radius:var(--r-pill);background:var(--lime);color:var(--ink);
  font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.entry-card .link-more{margin-top:auto;padding-top:20px;}
.wide-card{
  display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.wide-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--sh-hover);}
.wide-card img{width:100%;height:100%;min-height:300px;object-fit:cover;}
.wide-body{padding:36px;display:flex;flex-direction:column;justify-content:center;}
.wide-body h3{font-size:clamp(20px,2.2vw,26px);margin-bottom:14px;}
.wide-body p{color:var(--muted);font-size:15.5px;line-height:1.85;}
.point-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.point-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted);}
.point-list li i{color:var(--green);font-size:13px;margin-top:8px;}
.wide-body .link-more{margin-top:22px;}

/* ============ 对照说明区 ============ */
.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh);}
.compare-row{
  display:grid;grid-template-columns:minmax(0,34%) minmax(0,1fr);gap:28px;
  padding:22px 32px;border-bottom:1px solid var(--line);align-items:start;
}
.compare-row:last-child{border-bottom:0;}
.compare-row > span:last-child{color:var(--muted);font-size:15.5px;}
.cond{display:flex;gap:12px;font-weight:700;color:var(--ink);font-size:15.5px;}
.cond::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);margin-top:11px;flex:0 0 auto;}
.compare-head{background:var(--green-soft);padding-top:16px;padding-bottom:16px;}
.compare-head span{font-size:13px;font-weight:700;color:var(--green-dark);letter-spacing:.6px;}

/* ============ FAQ ============ */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:10px 30px;box-shadow:var(--sh);}
.faq .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.faq .accordion-item:last-child{border-bottom:0;}
.faq .accordion-button{
  background:transparent;box-shadow:none;color:var(--text);
  font-size:17px;font-weight:700;padding:24px 56px 24px 2px;position:relative;border-radius:0;
}
.faq .accordion-button::after{display:none;}
.faq .accordion-button:not(.collapsed){color:var(--green-dark);background:transparent;box-shadow:none;}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(15,157,110,.18);z-index:2;}
.faq .accordion-body{padding:0 4px 26px;color:var(--muted);font-size:15.5px;line-height:1.85;}
.faq-icon{
  position:absolute;right:2px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border-radius:50%;border:1.5px solid var(--line);background:#fff;
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--green-dark);border-radius:2px;
  transform:translate(-50%,-50%);transition:background var(--t);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq .accordion-button:not(.collapsed) .faq-icon{background:var(--green);border-color:var(--green);transform:translateY(-50%) rotate(45deg);}
.faq .accordion-button:not(.collapsed) .faq-icon::before,
.faq .accordion-button:not(.collapsed) .faq-icon::after{background:#fff;}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--grad);border-radius:var(--r-xl);padding:46px 50px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;color:#fff;
  box-shadow:0 30px 56px -28px rgba(15,157,110,.75);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.14);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.92);margin-top:12px;font-size:15.5px;max-width:620px;position:relative;z-index:1;}
.cta-band .btn{position:relative;z-index:1;flex-shrink:0;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:46px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:12px;font-size:19px;}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-desc{font-size:14.5px;line-height:1.85;max-width:290px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.2px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:var(--lime);}
.contact-line{display:flex;align-items:center;gap:10px;font-size:14.5px;margin-bottom:12px;}
.contact-line i{color:var(--lime);font-size:13px;width:16px;}
.footer-form{display:flex;gap:8px;margin-top:18px;}
.footer-form input{
  flex:1;min-width:0;height:44px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:14px;outline:0;
  transition:border-color var(--t),box-shadow var(--t);
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(15,157,110,.28);}
.footer-form button{
  height:44px;padding:0 20px;border:0;border-radius:var(--r-pill);background:var(--grad);
  color:#fff;font-weight:700;font-size:14px;cursor:pointer;transition:filter var(--t),transform var(--t);
}
.footer-form button:hover{filter:brightness(1.07);transform:translateY(-1px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;
  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:992px){
  .sec{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .wide-card{grid-template-columns:1fr;}
  .wide-card img{min-height:240px;}
}
@media (max-width:768px){
  .sec{padding:48px 0;}
  .container{padding-left:16px;padding-right:16px;}
  body{font-size:16px;}
  .nav-main-inner{flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:12px;}
  .nav-search{order:3;width:100%;max-width:none;height:48px;}
  .nav-search button{height:38px;padding:0 18px;}
  .nav-cta{height:42px;padding:0 18px;font-size:14px;}
  .brand-text{font-size:17px;}
  .brand-mark{width:38px;height:38px;font-size:18px;}
  .topbar-inner{font-size:12.5px;}
  .page-hero-inner{padding-top:34px;}
  .hero-badges{gap:12px;}
  .hero-badge{flex:1 1 150px;min-width:0;padding:12px 16px;}
  .hero-badge b{font-size:22px;}
  .intro-card,.data-card,.entry-card{padding:22px;}
  .wide-body{padding:24px;}
  .compare-row{grid-template-columns:1fr;gap:8px;padding:18px 20px;}
  .compare-head{display:none;}
  .cond{margin-bottom:4px;}
  .faq-wrap{padding:6px 20px;}
  .faq .accordion-button{font-size:16px;padding:20px 48px 20px 0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;gap:24px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-form{flex-wrap:wrap;}
  .footer-form button{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:576px){
  .hero-badge{flex:1 1 100%;}
  .sec-head h2::before{height:24px;}
}