/* roulang page: index */
:root{
  --brand-900:#0E3B36;--brand-700:#14524B;--brand-500:#2A7C6E;--brand-200:#CFE5DE;--brand-50:#EAF3F0;
  --accent-600:#B85633;--accent-500:#D9714B;--accent-100:#FBE7DE;
  --gold-400:#F2B84B;--gold-50:#FFF6E4;
  --bg-page:#FAF6F0;--bg-card:#FFFFFF;--bg-subtle:#F1EBE2;--border:#E6DED3;
  --ink:#1E1B18;--ink-2:#57504A;--ink-3:#8A817A;
  --grad-brand:linear-gradient(90deg,#14524B 0%,#2A7C6E 55%,#3E9C82 100%);
  --grad-hero:radial-gradient(120% 140% at 88% 8%,rgba(217,113,75,.55) 0%,rgba(217,113,75,0) 46%),linear-gradient(128deg,#0E3B36 0%,#1B5D52 46%,#2E8B76 100%);
  --r-lg:24px;--r-md:16px;--r-sm:12px;--r-xs:8px;
  --sh-1:0 2px 10px rgba(20,82,75,.06);
  --sh-2:0 18px 40px -12px rgba(20,82,75,.22);
  --sh-3:0 24px 60px -20px rgba(14,59,54,.28);
  --bs-primary:#2A7C6E;--bs-body-bg:#FAF6F0;--bs-body-color:#1E1B18;
  --bs-border-radius:.75rem;--bs-border-radius-sm:.5rem;--bs-border-radius-lg:1rem;--bs-border-radius-xl:1.5rem;
  --bs-primary-rgb:42,124,110;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-page);color:var(--ink);
  font-family:'HarmonyOS Sans SC','PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--accent-500)}
button,input,textarea,select{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;font-weight:700}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold-400);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%}
.row{--bs-gutter-x:24px}
::selection{background:var(--brand-200);color:var(--brand-900)}

/* ---------- 按钮 ---------- */
.btn{border-radius:999px;font-weight:600;font-size:15px;padding:12px 26px;border:0;transition:transform .22s ease,box-shadow .22s ease,background-position .22s ease,background-color .22s ease,color .22s ease;min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.2}
.btn-brand{background:var(--grad-brand);background-size:150% 100%;background-position:0 0;color:#fff;box-shadow:0 6px 18px -8px rgba(20,82,75,.55)}
.btn-brand:hover,.btn-brand:focus{color:#fff;background-position:100% 0;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;border:1.5px solid var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover,.btn-ghost:focus{background:var(--brand-50);border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-line-light{background:transparent;border:1.5px solid rgba(255,255,255,.72);color:#fff}
.btn-line-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);border-color:#fff}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(250,246,240,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transition:box-shadow .22s ease}
.site-header.is-stuck{box-shadow:var(--sh-1)}
.nav-wrap{height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px}
.brand svg{flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:17px;font-weight:700;color:var(--brand-900);letter-spacing:.02em}
.brand-sub{font-size:10.5px;color:var(--ink-3);letter-spacing:.22em;margin-top:3px}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1;justify-content:center;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2);background:var(--bg-subtle);white-space:nowrap;min-height:40px;transition:background-color .22s ease,color .22s ease,transform .22s ease;position:relative}
.chip:hover{background:#E7DFD4;color:var(--brand-900)}
.chip.active{background:var(--brand-700);color:#fff;box-shadow:0 8px 18px -10px rgba(20,82,75,.7)}
.chip.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-11px;width:22px;height:3px;border-radius:3px;background:var(--grad-brand)}
.nav-right{display:flex;align-items:center;gap:10px}
.icon-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:#fff;display:inline-flex;align-items:center;justify-content:center;color:var(--brand-700);transition:background-color .22s ease,transform .22s ease,box-shadow .22s ease}
.icon-btn:hover{background:var(--brand-50);transform:translateY(-2px);box-shadow:var(--sh-1)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;align-items:center;justify-content:center;color:var(--brand-900)}
.drawer{position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100%;background:#fff;z-index:1200;padding:22px 20px 28px;display:flex;flex-direction:column;gap:10px;transform:translateX(102%);transition:transform .28s ease;box-shadow:var(--sh-3);overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer .chip{width:100%;justify-content:flex-start;padding:12px 16px;min-height:44px}
.drawer .chip.active::after{display:none}
.drawer .btn{width:100%;margin-top:12px}
.drawer-mask{position:fixed;inset:0;background:rgba(14,59,54,.42);z-index:1100;opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease}
.drawer-mask.open{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero-section{padding:24px 0 0}
.hero-card{position:relative;border-radius:var(--r-lg);background:var(--grad-hero);overflow:hidden;padding:56px;color:#fff;min-height:460px;display:flex;flex-direction:column;justify-content:space-between;gap:36px}
.hero-card::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.30;mix-blend-mode:luminosity;pointer-events:none}
.hero-card::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,59,54,.90) 0%,rgba(14,59,54,.62) 46%,rgba(20,82,75,.24) 100%);pointer-events:none}
.hero-inner{position:relative;z-index:2;max-width:720px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);font-size:12px;font-weight:500;letter-spacing:.06em;color:#fff;margin-bottom:22px}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--gold-400);display:inline-block}
.hero-card h1{color:#fff;font-size:clamp(30px,4.2vw,46px);line-height:1.16;letter-spacing:-.01em;margin-bottom:20px;text-shadow:0 2px 18px rgba(0,0,0,.18)}
.hero-lead{font-size:18px;line-height:1.9;color:rgba(255,255,255,.88);max-width:640px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-badge-bar{position:relative;z-index:2;align-self:flex-end;background:#fff;border-radius:20px;padding:18px 24px;display:flex;align-items:center;box-shadow:var(--sh-2);max-width:100%}
.hero-badge{display:flex;flex-direction:column;align-items:flex-start;padding:0 22px}
.hero-badge:first-child{padding-left:0}
.hero-badge:last-child{padding-right:0}
.hero-badge + .hero-badge{border-left:1px solid var(--border)}
.hero-num{font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--brand-700);line-height:1.2}
.hero-badge span{font-size:12px;color:var(--ink-2);white-space:nowrap;margin-top:2px}

/* ---------- 合集目录条 ---------- */
.topic-bar{position:sticky;top:68px;z-index:900;background:rgba(250,246,240,.96);border-bottom:1px solid var(--border);margin-top:24px;backdrop-filter:blur(8px)}
.topic-bar-inner{display:flex;align-items:center;gap:16px;padding:12px 0}
.topic-label{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--ink-3);white-space:nowrap;padding-right:14px;border-right:1px solid var(--border)}
.topic-scroll{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;flex:1}
.topic-scroll::-webkit-scrollbar{display:none}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.24}
.section-head .sub{font-size:14px;color:var(--ink-3);margin-top:8px;max-width:560px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-700);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;transition:color .22s ease}
.text-link svg{transition:transform .22s ease}
.text-link:hover{color:var(--accent-500)}
.text-link:hover svg{transform:translateX(4px)}

/* ---------- 精选条目 ---------- */
.featured-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.feature-card{display:block;background:var(--bg-card);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--border);transition:transform .22s ease,box-shadow .22s ease}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.feature-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-subtle)}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,59,54,0) 34%,rgba(14,59,54,.82) 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:24px;color:#fff}
.feature-overlay h3{color:#fff;font-size:21px;line-height:1.42;margin:12px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-overlay .meta{font-size:13px;color:rgba(255,255,255,.78)}
.chip-cat{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-xs);background:rgba(255,255,255,.92);color:var(--brand-700);font-size:12px;font-weight:600;line-height:1.2}
.chip-tag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-xs);background:var(--gold-50);color:var(--accent-600);font-size:12px;font-weight:600;line-height:1.2}
.hero-card .chip-cat{background:rgba(255,255,255,.94)}
.list-rows{background:var(--bg-card);border-radius:var(--r-lg);border:1px solid var(--border);box-shadow:var(--sh-1);padding:8px 26px;display:flex;flex-direction:column}
.row-item{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:22px 0;border-bottom:1px dashed var(--border);transition:transform .22s ease}
.row-item:last-child{border-bottom:0}
.row-item:hover{transform:translateX(4px)}
.row-num{font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;font-size:15px;font-weight:700;color:var(--gold-400);padding-top:2px}
.row-item h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row-item:hover h3{color:var(--brand-500)}
.row-item p{font-size:13px;color:var(--ink-3);margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.row-time{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}

/* ---------- 最新信息 ---------- */
.news-band{background:var(--bg-subtle);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;height:100%}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-media{aspect-ratio:16/10;background:linear-gradient(135deg,var(--brand-50) 0%,var(--bg-subtle) 100%);display:flex;align-items:center;justify-content:center;color:var(--brand-500)}
.news-media svg{opacity:.72}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .22s ease}
.news-card:hover .news-body h3{color:var(--brand-500)}
.news-body p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;padding-top:6px}
.news-foot .arrow{transition:transform .22s ease;color:var(--brand-500);display:inline-flex}
.news-card:hover .arrow{transform:translateX(4px)}
.empty-state{border:1.5px dashed var(--border);border-radius:24px;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:rgba(255,255,255,.6);text-align:center;padding:32px}
.empty-state p{color:var(--ink-2);font-size:15px;margin:0}
.empty-state svg{color:var(--brand-500);opacity:.8}

/* ---------- 数据与信任 ---------- */
.stats-band{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-lg);padding:36px;box-shadow:var(--sh-1);display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:0 26px;border-right:1px solid var(--border)}
.stat-item:first-child{padding-left:0}
.stat-item:last-child{border-right:0;padding-right:0}
.stat-num{font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;font-size:32px;font-weight:700;color:var(--brand-700);line-height:1.15}
.stat-label{font-size:14px;font-weight:600;color:var(--ink);margin-top:6px}
.stat-desc{font-size:13px;color:var(--ink-3);line-height:1.7;margin-top:4px}
.stats-note{margin-top:20px;font-size:13.5px;color:var(--ink-2);display:flex;gap:10px;align-items:flex-start}
.stats-note svg{flex:0 0 auto;margin-top:3px;color:var(--brand-500)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.faq-left{position:sticky;top:96px}
.faq-left h2{font-size:clamp(24px,2.6vw,32px);line-height:1.24;margin-bottom:16px}
.faq-left p{font-size:15px;color:var(--ink-2);line-height:1.85}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-sm);padding:20px 22px;box-shadow:var(--sh-1);position:relative;transition:border-color .22s ease,box-shadow .22s ease}
.faq-item[open]{border-color:var(--brand-200);box-shadow:var(--sh-2)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--accent-500)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:16px;font-weight:600;color:var(--ink);min-height:28px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-icon{flex:0 0 auto;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;color:var(--brand-500);transition:transform .22s ease}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{font-size:15px;line-height:1.8;color:var(--ink-2);margin-top:14px}

/* ---------- CTA ---------- */
.cta-card{position:relative;border-radius:var(--r-lg);background:var(--grad-brand);color:#fff;padding:48px;overflow:hidden;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.cta-card::after{content:"";position:absolute;right:-80px;top:-100px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 68%);pointer-events:none}
.cta-card h2{color:#fff;font-size:clamp(24px,2.6vw,32px);line-height:1.24;margin-bottom:14px;position:relative;z-index:2}
.cta-card p{color:rgba(255,255,255,.86);font-size:15.5px;line-height:1.85;max-width:520px;position:relative;z-index:2}
.cta-form{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px}
.cta-form label{font-size:13px;color:rgba(255,255,255,.82);font-weight:500}
.form-control{background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px 14px;font-size:15px;color:var(--ink);min-height:46px;transition:border-color .22s ease,box-shadow .22s ease}
.form-control::placeholder{color:var(--ink-3)}
.form-control:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(20,82,75,.14);outline:none}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.72)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:72px;border-top:1px solid rgba(255,255,255,.12)}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding:56px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.56)}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:20px;max-width:280px}
.social-row{display:flex;gap:10px}
.social-btn{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.24);display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.82);transition:background-color .22s ease,transform .22s ease,color .22s ease}
.social-btn:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;transition:color .22s ease,transform .22s ease;display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-contact{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.7);margin-bottom:16px}
.footer-form{display:flex;gap:8px}
.footer-form .form-control{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#fff}
.footer-form .form-control::placeholder{color:rgba(255,255,255,.46)}
.footer-form .form-control:focus{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);box-shadow:0 0 0 3px rgba(255,255,255,.12)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.56)}
.to-top{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.32);background:transparent;color:#fff;display:inline-flex;align-items:center;justify-content:center;transition:background-color .22s ease,transform .22s ease}
.to-top:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-card{padding:44px}
  .featured-grid{grid-template-columns:1fr;gap:24px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-left{position:static}
  .stats-band{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .stat-item{padding:0 20px}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(3){padding-left:0}
  .cta-card{grid-template-columns:1fr;gap:28px;padding:40px}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .nav-chips{display:none}
  .nav-right .btn{display:none}
  .nav-toggle{display:inline-flex}
  .hero-card{padding:36px;min-height:0}
  .hero-badge-bar{align-self:stretch;overflow-x:auto;scrollbar-width:none}
  .hero-badge-bar::-webkit-scrollbar{display:none}
  .hero-badge{padding:0 18px}
  .topic-label{display:none}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px}
  .section{padding:44px 0}
  .hero-section{padding-top:16px}
  .hero-card{padding:28px 24px;border-radius:20px;gap:26px}
  .hero-lead{font-size:16px;line-height:1.85}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-badge-bar{border-radius:16px;padding:14px 16px}
  .hero-num{font-size:22px}
  .news-grid{grid-template-columns:1fr}
  .stats-band{grid-template-columns:1fr;padding:26px;gap:22px}
  .stat-item{padding:0;border-right:0;border-bottom:1px solid var(--border);padding-bottom:18px}
  .stat-item:last-child{border-bottom:0;padding-bottom:0}
  .feature-overlay h3{font-size:18px}
  .row-item{grid-template-columns:34px 1fr;padding:18px 0}
  .list-rows{padding:4px 18px}
  .cta-card{padding:28px 22px;border-radius:20px}
  .footer-main{grid-template-columns:1fr;gap:28px;padding:40px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .topic-bar{position:static;margin-top:16px}
  .footer-form{flex-direction:column}
  .footer-form .btn{width:100%}
}
@media (max-width:519.98px){
  .brand-name{font-size:15.5px}
  .brand-sub{font-size:9.5px;letter-spacing:.16em}
  .hero-card h1{font-size:27px}
  .section-head h2{font-size:23px}
}

/* roulang page: category1 */
:root{
  --brand-900:#0E3B36;
  --brand-700:#14524B;
  --brand-500:#2A7C6E;
  --brand-200:#CFE5DE;
  --brand-50:#EAF3F0;
  --accent-600:#B85633;
  --accent-500:#D9714B;
  --accent-100:#FBE7DE;
  --gold-400:#F2B84B;
  --gold-50:#FFF6E4;
  --bg-page:#FAF6F0;
  --bg-card:#FFFFFF;
  --bg-subtle:#F1EBE2;
  --border:#E6DED3;
  --ink:#1E1B18;
  --ink-2:#57504A;
  --ink-3:#8A817A;
  --grad-brand:linear-gradient(90deg,#14524B 0%,#2A7C6E 55%,#3E9C82 100%);
  --grad-hero:radial-gradient(120% 140% at 88% 8%,rgba(217,113,75,.55) 0%,rgba(217,113,75,0) 46%),linear-gradient(128deg,#0E3B36 0%,#1B5D52 46%,#2E8B76 100%);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 2px 10px rgba(20,82,75,.06);
  --shadow-2:0 18px 40px -12px rgba(20,82,75,.22);
  --shadow-3:0 24px 60px -20px rgba(14,59,54,.28);
  --bs-primary:#14524B;
  --bs-body-bg:#FAF6F0;
  --bs-body-color:#1E1B18;
  --bs-border-color:#E6DED3;
  --bs-border-radius:12px;
  --bs-border-radius-lg:24px;
  --bs-border-radius-sm:8px;
  --bs-link-color:#14524B;
  --bs-link-hover-color:#B85633;
  --bs-font-sans-serif:'HarmonyOS Sans SC','PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'HarmonyOS Sans SC','PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  background:var(--bg-page);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--accent-500);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--gold-400);
  outline-offset:2px;
  border-radius:6px;
}
.container{max-width:1200px;padding-left:24px;padding-right:24px;}
.row{--bs-gutter-x:24px;}
.btn{--bs-btn-border-radius:999px;font-weight:600;}

/* ===== 顶栏 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,246,240,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-1);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:inherit;}
.brand svg{flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:16px;font-weight:700;color:var(--brand-900);letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.16em;}
.nav-chips{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:36px;padding:8px 16px;border-radius:999px;
  background:var(--bg-subtle);color:var(--ink-2);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.chip:hover{background:#E7DFD4;color:var(--brand-700);}
.chip.active{
  background:var(--brand-700);color:#fff;
  box-shadow:0 8px 18px -10px rgba(20,82,75,.85);
}
.chip.active:hover{background:var(--brand-700);color:#fff;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);background:var(--bg-subtle);color:var(--brand-700);
  transition:background .22s ease,border-color .22s ease,color .22s ease,transform .22s ease;
  cursor:pointer;
}
.icon-btn:hover{background:var(--brand-50);border-color:var(--brand-200);color:var(--brand-900);transform:translateY(-1px);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;border:none;
  background:var(--grad-brand);background-size:150% 100%;background-position:0 0;
  color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  box-shadow:0 10px 24px -14px rgba(20,82,75,.85);
  transition:transform .22s ease,box-shadow .22s ease,background-position .35s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:var(--shadow-2);}
.btn-brand:active{transform:translateY(0);}
.btn-brand.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:999px;
  background:#fff;border:1.5px solid var(--brand-700);color:var(--brand-700);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-ghost:active{transform:translateY(0);}
.menu-toggle{display:none;}
.drawer{
  position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100%;
  background:#fff;z-index:1060;padding:24px;display:flex;flex-direction:column;gap:14px;
  transform:translateX(102%);transition:transform .3s ease;box-shadow:var(--shadow-3);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;}
.drawer-title{font-size:15px;font-weight:600;color:var(--brand-900);}
.drawer .chip{justify-content:flex-start;width:100%;min-height:44px;border-radius:12px;}
.drawer .btn-brand{width:100%;margin-top:8px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,59,54,.42);z-index:1050;
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.drawer-mask.show{opacity:1;pointer-events:auto;}

/* ===== 面包屑 ===== */
.crumbs{padding:20px 0 0;font-size:13px;color:var(--ink-3);}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--ink-3);}
.crumbs a{color:var(--ink-3);}
.crumbs a:hover{color:var(--brand-500);}
.crumbs .current{color:var(--ink-2);}

/* ===== 页头 Hero ===== */
.hero-section{padding:16px 0 0;}
.page-hero{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--grad-hero);min-height:380px;display:flex;align-items:center;
  box-shadow:var(--shadow-3);
}
.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.26;mix-blend-mode:luminosity;
}
.hero-inner{position:relative;z-index:2;padding:48px;width:100%;}
.hero-top{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:32px;align-items:end;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);
  color:#fff;font-size:12px;letter-spacing:.06em;padding:6px 14px;border-radius:999px;
  margin-bottom:18px;
}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,44px);line-height:1.16;font-weight:700;
  margin:0 0 20px;max-width:20ch;
}
.hero-lead{color:rgba(255,255,255,.84);font-size:18px;line-height:1.9;max-width:44em;margin:0 0 26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn-light-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:999px;background:transparent;
  border:1.5px solid rgba(255,255,255,.62);color:#fff;font-size:15px;font-weight:600;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.btn-light-line:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-light-line:active{transform:translateY(0);}
.hero-stats{
  background:rgba(255,255,255,.97);border-radius:20px;padding:20px 24px;
  display:flex;gap:0;box-shadow:var(--shadow-3);
}
.stat-item{flex:1 1 0;padding:0 18px;}
.stat-item:first-child{padding-left:0;}
.stat-item:last-child{padding-right:0;border-left:1px solid var(--border);}
.stat-num{
  font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--brand-700);line-height:1.2;display:block;
}
.stat-label{font-size:12px;color:var(--ink-2);display:block;margin-top:2px;}

/* ===== 分段目录条 ===== */
.section-bar{
  position:sticky;top:68px;z-index:1020;
  background:rgba(250,246,240,.95);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
  padding:12px 0;margin-top:28px;
}
.bar-inner{display:flex;align-items:center;gap:16px;}
.bar-label{font-size:13px;color:var(--ink-3);white-space:nowrap;flex:0 0 auto;}
.bar-chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;}
.bar-chips::-webkit-scrollbar{display:none;}
.bar-chips .chip{min-height:32px;padding:6px 14px;font-size:13px;}

/* ===== 通用板块 ===== */
.section{padding:56px 0;}
.section-head{margin-bottom:28px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.24;margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16px;max-width:44em;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--accent-600);
  background:var(--gold-50);border-radius:8px;padding:5px 12px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold-400);}

/* ===== 封面列表流 ===== */
.featured-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:stretch;}
.lead-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--brand-900);box-shadow:var(--shadow-1);height:100%;
  transition:box-shadow .28s ease,transform .28s ease;
}
.lead-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.lead-media{position:relative;display:block;height:100%;min-height:440px;}
.lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease;}
.lead-card:hover .lead-media img{transform:scale(1.03);}
.lead-overlay{
  position:absolute;inset:auto 0 0 0;padding:28px;
  background:linear-gradient(180deg,rgba(14,59,54,0) 0%,rgba(14,59,54,.9) 72%);
}
.tag-pill{
  display:inline-flex;align-items:center;
  background:var(--gold-50);color:var(--accent-600);
  font-size:12px;font-weight:500;padding:5px 12px;border-radius:8px;margin-bottom:12px;
}
.lead-overlay .tag-pill{background:rgba(255,255,255,.92);color:var(--accent-600);}
.lead-overlay h2{
  color:#fff;font-size:22px;line-height:1.42;font-weight:600;margin:0 0 10px;
}
.lead-overlay h2 a{color:#fff;}
.lead-overlay h2 a:hover{color:var(--gold-400);}
.lead-meta{font-size:13px;color:rgba(255,255,255,.74);font-variant-numeric:tabular-nums;}
.num-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;justify-content:space-between;height:100%;}
.num-item{
  display:grid;grid-template-columns:38px minmax(0,1fr) auto;gap:14px;align-items:start;
  padding:15px 6px;border-bottom:1px dashed var(--border);
  transition:transform .22s ease,background .22s ease;
}
.num-item:first-child{padding-top:2px;}
.num-item:last-child{border-bottom:none;padding-bottom:2px;}
.num-item:hover{transform:translateX(4px);}
.num-index{
  font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;
  font-size:15px;font-weight:700;color:var(--gold-400);line-height:1.6;
}
.num-body h3{font-size:16px;line-height:1.5;font-weight:600;margin:0 0 4px;}
.num-body h3 a{color:var(--ink);}
.num-item:hover .num-body h3 a{color:var(--brand-500);}
.num-body p{
  font-size:13px;line-height:1.65;color:var(--ink-3);margin:0;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.num-time{
  font-size:12px;color:var(--ink-3);white-space:nowrap;line-height:1.8;
  font-variant-numeric:tabular-nums;
}

/* ===== 提示条 ===== */
.notice-strip{
  margin-top:32px;background:var(--gold-50);border:1px solid #F3E2C0;
  border-radius:var(--radius-md);padding:18px 24px;
  display:flex;gap:14px;align-items:flex-start;
  font-size:14px;line-height:1.8;color:var(--ink-2);
}
.notice-strip svg{flex:0 0 auto;margin-top:3px;color:var(--accent-600);}
.notice-strip strong{color:var(--brand-900);font-weight:600;}

/* ===== 数据条 ===== */
.stat-band{background:var(--bg-subtle);padding:56px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.stat-band-inner{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-1);transition:box-shadow .22s ease,transform .22s ease;}
.stat-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.stat-card .stat-num{font-size:28px;color:var(--brand-700);}
.stat-card .stat-label{font-size:13px;color:var(--ink-2);margin-top:4px;}
.stat-card .stat-note{font-size:12px;color:var(--ink-3);margin-top:8px;line-height:1.6;}
.stat-note-line{grid-column:1/-1;font-size:13px;color:var(--ink-3);line-height:1.8;margin-top:4px;}

/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:40px;align-items:start;}
.faq-aside{position:sticky;top:108px;}
.faq-aside h2{font-size:clamp(24px,2.6vw,32px);line-height:1.24;margin-bottom:14px;}
.faq-aside p{color:var(--ink-2);font-size:15px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);
  position:relative;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:var(--brand-200);box-shadow:var(--shadow-1);}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent-500);opacity:0;transition:opacity .22s ease;}
.faq-item.open::before{opacity:1;}
.faq-q{
  width:100%;background:none;border:none;text-align:left;
  padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;line-height:1.55;
}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand-700);transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--brand-700);color:#fff;border-color:var(--brand-700);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ===== CTA ===== */
.cta-band{
  position:relative;border-radius:var(--radius-lg);background:var(--grad-brand);
  color:#fff;padding:44px;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-2);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,28px);line-height:1.3;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.84);font-size:15px;margin:0;max-width:46em;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-band .btn-brand{background:#fff;color:var(--brand-700);box-shadow:0 12px 26px -16px rgba(0,0,0,.6);background-image:none;}
.cta-band .btn-brand:hover{background:#fff;color:var(--brand-900);}
.cta-band .btn-light-line{border-color:rgba(255,255,255,.7);}

/* ===== 相关分类 chips ===== */
.related-block{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.related-block .bar-label{font-size:13px;color:var(--ink-3);}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--brand-900);color:rgba(255,255,255,.72);
  margin-top:72px;border-top:1px solid rgba(255,255,255,.12);
}
.footer-main{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding:56px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{display:flex;flex-direction:column;line-height:1.1;}
.footer-brand .brand-name{font-size:16px;font-weight:700;color:#fff;}
.footer-brand .brand-sub{font-size:11px;letter-spacing:.16em;color:rgba(255,255,255,.55);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:30em;margin:0 0 20px;}
.social-row{display:flex;gap:10px;}
.social-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.82);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.social-btn:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;transition:color .22s ease,transform .22s ease;display:inline-block;}
.footer-links a:hover{color:#fff;transform:translateX(3px);}
.footer-form{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 150px;min-height:44px;padding:12px 14px;border-radius:12px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  color:#fff;font-size:14px;transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{outline:none;border-color:var(--brand-200);background:rgba(255,255,255,.14);box-shadow:0 0 0 3px rgba(207,229,222,.18);}
.footer-form button{
  min-height:44px;padding:12px 20px;border-radius:12px;border:none;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease;
}
.footer-form button:hover{transform:translateY(-2px);box-shadow:0 14px 28px -18px rgba(0,0,0,.8);}
.footer-form button:active{transform:translateY(0);}
.form-hint{font-size:12px;color:rgba(255,255,255,.5);margin-top:10px;line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.56);
}
.footer-bottom .links{display:flex;gap:16px;flex-wrap:wrap;}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}
.to-top{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);background:transparent;color:rgba(255,255,255,.82);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .22s ease,transform .22s ease,color .22s ease;
}
.to-top:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .hero-inner{padding:40px;}
}
@media (max-width:991.98px){
  .nav-chips{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .hero-top{grid-template-columns:1fr;gap:28px;align-items:start;}
  .page-hero h1{max-width:none;}
  .hero-inner{padding:36px;}
  .featured-grid{grid-template-columns:1fr;}
  .lead-media{min-height:340px;}
  .stat-band-inner{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-grid{grid-template-columns:1fr;gap:24px;}
  .faq-aside{position:static;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:48px 0;}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
  .header-inner{gap:12px;}
  .brand-name{font-size:15px;}
  .hero-section{padding-top:12px;}
  .page-hero{border-radius:20px;min-height:0;}
  .hero-inner{padding:28px 22px 32px;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-lead{font-size:16px;line-height:1.85;}
  .hero-stats{flex-direction:column;gap:14px;padding:18px 20px;}
  .stat-item{padding:0;border-left:none !important;}
  .stat-item+.stat-item{padding-top:14px;border-top:1px solid var(--border);}
  .section-bar{top:64px;}
  .bar-inner{flex-direction:column;align-items:flex-start;gap:8px;}
  .section{padding:40px 0;}
  .notice-strip{flex-direction:column;gap:8px;padding:16px 18px;}
  .stat-band{padding:40px 0;}
  .stat-band-inner{grid-template-columns:1fr;}
  .lead-media{min-height:280px;}
  .lead-overlay{padding:20px;}
  .lead-overlay h2{font-size:19px;}
  .num-item{grid-template-columns:30px minmax(0,1fr);gap:12px;}
  .num-time{grid-column:2;line-height:1.4;}
  .cta-band{padding:28px 22px;border-radius:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-light-line{flex:1 1 100%;}
  .footer-main{grid-template-columns:1fr;gap:28px;padding:40px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:48px;}
}
@media (max-width:519.98px){
  .faq-q{padding:16px 16px;font-size:15px;}
  .faq-a-inner{padding:0 16px 16px;}
  .hero-actions .btn-brand,.hero-actions .btn-light-line{flex:1 1 100%;}
}

/* roulang page: article */
:root{
  --brand-900:#0E3B36;--brand-700:#14524B;--brand-500:#2A7C6E;--brand-200:#CFE5DE;--brand-50:#EAF3F0;
  --accent-600:#B85633;--accent-500:#D9714B;--accent-100:#FBE7DE;
  --gold-400:#F2B84B;--gold-50:#FFF6E4;
  --bg-page:#FAF6F0;--bg-card:#FFFFFF;--bg-subtle:#F1EBE2;--border:#E6DED3;
  --ink:#1E1B18;--ink-2:#57504A;--ink-3:#8A817A;
  --grad-brand:linear-gradient(90deg,#14524B 0%,#2A7C6E 55%,#3E9C82 100%);
  --grad-hero:radial-gradient(120% 140% at 88% 8%,rgba(217,113,75,.55) 0%,rgba(217,113,75,0) 46%),linear-gradient(128deg,#0E3B36 0%,#1B5D52 46%,#2E8B76 100%);
  --r-xl:24px;--r-lg:20px;--r-md:16px;--r-sm:12px;--r-xs:8px;
  --shadow-1:0 2px 10px rgba(20,82,75,.06);
  --shadow-2:0 18px 40px -12px rgba(20,82,75,.22);
  --shadow-3:0 24px 60px -20px rgba(14,59,54,.28);
  --bs-primary:#14524B;--bs-primary-rgb:20,82,75;
  --bs-body-bg:#FAF6F0;--bs-body-color:#1E1B18;
  --bs-border-color:#E6DED3;
  --bs-border-radius:12px;--bs-border-radius-sm:8px;--bs-border-radius-lg:16px;--bs-border-radius-xl:24px;--bs-border-radius-pill:999px;
  --bs-link-color:#14524B;--bs-link-hover-color:#B85633;
  --bs-font-sans-serif:'HarmonyOS Sans SC','PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-page);color:var(--ink);
  font-family:'HarmonyOS Sans SC','PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--accent-600)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--gold-400);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.row{--bs-gutter-x:24px}
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:-.01em;margin:0}
p{margin:0 0 1.2em}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,246,240,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -12px rgba(14,59,54,.30)}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em}
.brand-sub{font-size:10.5px;letter-spacing:.16em;color:var(--ink-3);text-transform:uppercase}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:4px 2px}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  padding:9px 16px;border-radius:999px;background:var(--bg-subtle);color:var(--ink-2);
  font-size:14px;font-weight:500;line-height:1;white-space:nowrap;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.chip:hover{background:#E7DFD4;color:var(--brand-700);transform:translateY(-1px)}
.chip.active{background:var(--brand-700);color:#fff;font-weight:600}
.chip.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:3px;width:16px;height:3px;border-radius:3px;background:linear-gradient(90deg,#8FC8B8,#F2B84B)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid transparent;background:var(--bg-subtle);color:var(--brand-700);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.icon-btn:hover{background:#E7DFD4;transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:0;font-weight:600;font-size:15px;
  padding:12px 26px;line-height:1.2;transition:all .22s ease;text-decoration:none;
}
.btn-primary{
  background:var(--grad-brand);background-size:150% 100%;background-position:0 0;color:#fff;
  box-shadow:0 8px 20px -10px rgba(20,82,75,.55);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:0 16px 30px -14px rgba(20,82,75,.65)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border:1.5px solid var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 10px 22px -12px rgba(184,86,51,.7)}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-light-outline{background:transparent;border:1.5px solid rgba(255,255,255,.65);color:#fff}
.btn-light-outline:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.header-search{
  display:flex;align-items:center;width:0;overflow:hidden;opacity:0;
  transition:width .26s ease,opacity .2s ease;
}
.site-header.search-open .header-search{width:240px;opacity:1;margin-right:2px}
.header-search input{
  width:100%;border:1px solid var(--border);border-radius:999px;background:#fff;
  padding:9px 16px;font-size:14px;color:var(--ink);outline:none;
}
.header-search input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(20,82,75,.14)}
.menu-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--brand-700)}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;background:#fff;z-index:1045;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:24px 20px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow-3);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer-title{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.12em}
.drawer .chip{width:100%;justify-content:flex-start;padding:14px 18px;font-size:15px}
.drawer .btn{width:100%;margin-top:14px}
.drawer-close{width:34px;height:34px;border-radius:50%;border:1px solid var(--border);background:var(--bg-subtle);color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center}
.mask{position:fixed;inset:0;background:rgba(14,59,54,.42);z-index:1040;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}
.mask.open{opacity:1;visibility:visible}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin:0;padding:0;list-style:none}
.crumb li{display:inline-flex;align-items:center;gap:8px;min-width:0}
.crumb li+li::before{content:"/";color:var(--border);font-size:12px}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand-700)}
.crumb .crumb-current{color:var(--ink-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{padding:18px 0 0}
.article-cat{
  display:inline-flex;align-items:center;gap:6px;background:var(--gold-50);color:var(--accent-600);
  font-size:12px;font-weight:600;line-height:1;padding:8px 14px;border-radius:var(--r-xs);margin-bottom:16px;
}
.article-title{
  font-size:clamp(28px,3.4vw,40px);line-height:1.28;font-weight:700;letter-spacing:-.012em;
  max-width:20ch;margin:0 0 18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{width:1px;height:12px;background:var(--border)}
.meta-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.mini-btn{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;
  border:1px solid var(--border);background:#fff;color:var(--brand-700);transition:all .22s ease;
}
.mini-btn:hover{background:var(--brand-50);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.article-divider{height:1px;background:var(--border);margin:26px 0 0}

/* ---------- cover ---------- */
.article-cover{margin:28px 0 0;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-1);background:var(--bg-subtle)}
.article-cover img{width:100%;height:400px;object-fit:cover;transition:transform .7s ease}
.article-cover:hover img{transform:scale(1.015)}
.cover-caption{font-size:13px;color:var(--ink-3);text-align:center;margin:10px 0 0}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;gap:56px;
  justify-content:center;padding:40px 0 0;align-items:start;
}
.article-main{min-width:0}

/* ---------- article body ---------- */
.article-body{font-size:16px;line-height:1.85;color:var(--ink-2);max-width:760px}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(24px,2.6vw,32px);line-height:1.24;color:var(--ink);
  margin:44px 0 16px;padding-left:16px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad-brand)}
.article-body h3{font-size:20px;line-height:1.42;color:var(--ink);margin:28px 0 12px;font-weight:600}
.article-body h4{font-size:17px;line-height:1.5;color:var(--ink);margin:22px 0 10px;font-weight:600}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.article-body a:hover{color:var(--accent-500)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body li{margin-bottom:.55em}
.article-body ul li::marker{color:var(--brand-500)}
.article-body ol li::marker{color:var(--brand-700);font-weight:700}
.article-body blockquote{
  margin:24px 0;background:var(--bg-subtle);border-left:4px solid var(--accent-500);
  border-radius:14px;padding:20px 24px;color:var(--ink-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:22px 0 8px;width:100%}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;font-size:14.5px;margin:22px 0;border:1px solid var(--border);border-radius:14px;overflow:hidden}
.article-body thead th{background:var(--bg-subtle);color:var(--ink);font-weight:600;text-align:left;padding:12px 16px}
.article-body tbody td{padding:12px 16px;border-top:1px solid var(--border);color:var(--ink-2)}
.article-body tbody tr:nth-child(even) td{background:#FCFAF6}
.article-body hr{border:0;border-top:1px solid var(--border);margin:32px 0}
.article-table-wrap{overflow-x:auto;border-radius:14px}

/* ---------- toc ---------- */
.toc{
  position:sticky;top:96px;background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--r-md);padding:20px 18px;box-shadow:var(--shadow-1);
}
.toc-title{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--ink-3);margin:0 0 12px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto}
.toc-link{
  display:block;font-size:13.5px;line-height:1.5;color:var(--ink-2);
  padding:7px 0 7px 12px;border-left:3px solid transparent;border-radius:0 6px 6px 0;
  transition:all .22s ease;
}
.toc-link:hover{color:var(--brand-700);background:var(--brand-50)}
.toc-link.active{color:var(--brand-700);border-left-color:var(--brand-500);font-weight:600;background:var(--brand-50)}
.toc-note{margin:16px 0 0;padding-top:14px;border-top:1px dashed var(--border);font-size:12.5px;color:var(--ink-3);line-height:1.7}

/* ---------- empty state ---------- */
.empty-state{
  border:1.5px dashed var(--border);border-radius:var(--r-xl);background:#FDFBF7;
  padding:56px 28px;text-align:center;
}
.empty-state svg{color:var(--brand-500);margin:0 auto 16px}
.empty-title{font-size:22px;font-weight:700;color:var(--ink);margin:0 0 10px}
.empty-state p{color:var(--ink-2);max-width:44ch;margin:0 auto 22px}

/* ---------- tags & share ---------- */
.article-foot{margin:44px 0 0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tag-row .tag-label{font-size:12px;color:var(--ink-3);letter-spacing:.1em;margin-right:4px}
.tag{
  display:inline-flex;align-items:center;padding:7px 14px;border-radius:var(--r-xs);
  background:var(--bg-subtle);color:var(--ink-2);font-size:13px;transition:all .22s ease;
}
.tag:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-1px)}
.share-bar{
  margin:24px 0 0;background:var(--bg-subtle);border-radius:var(--r-md);
  padding:18px 22px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;
}
.share-bar h3{font-size:15px;font-weight:600;margin:0;color:var(--ink)}
.share-bar p{margin:0;font-size:13px;color:var(--ink-3)}
.share-actions{display:flex;gap:10px;margin-left:auto;flex-wrap:wrap}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:999px;
  border:1px solid var(--border);background:#fff;color:var(--brand-700);font-size:13.5px;font-weight:500;
  transition:all .22s ease;
}
.share-btn:hover{background:var(--brand-50);border-color:var(--brand-200);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.share-btn.is-done{background:var(--brand-700);color:#fff;border-color:var(--brand-700)}

/* ---------- related ---------- */
.related{padding:64px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head h2{font-size:clamp(22px,2.4vw,28px);line-height:1.28}
.section-head p{margin:6px 0 0;font-size:14px;color:var(--ink-3)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.link-more svg{transition:transform .22s ease}
.link-more:hover svg{transform:translateX(4px)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;height:100%;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-200);color:inherit}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-subtle)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.news-cat{align-self:flex-start;font-size:12px;font-weight:600;line-height:1;padding:7px 12px;border-radius:var(--r-xs);background:var(--gold-50);color:var(--accent-600)}
.news-title{font-size:16.5px;line-height:1.45;font-weight:600;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.news-card:hover .news-title{color:var(--brand-700)}
.news-desc{font-size:13.5px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.news-foot{margin-top:auto;padding-top:6px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.news-foot svg{transition:transform .22s ease}
.news-card:hover .news-foot svg{transform:translateX(4px)}

/* ---------- back cta ---------- */
.back-block{padding:44px 0 0;text-align:center}

/* ---------- submit cta ---------- */
.cta-band{padding:64px 0 0}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-brand);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;
}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,184,75,.34) 0%,rgba(242,184,75,0) 70%);pointer-events:none;
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.4vw,28px);line-height:1.3;margin:0 0 8px;position:relative;z-index:1}
.cta-card p{margin:0;color:rgba(255,255,255,.82);font-size:15px;max-width:52ch;position:relative;z-index:1}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{margin-top:72px;background:var(--brand-900);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.12);padding:56px 0 0}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-name{color:#fff;font-size:16px;font-weight:700}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);font-size:10.5px;letter-spacing:.16em}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.68);margin:0 0 18px;max-width:34ch}
.social-row{display:flex;gap:10px}
.social-btn{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.8);transition:all .22s ease;
}
.social-btn:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px}
.footer-links a:hover{color:#fff}
.footer-form .form-label{display:block;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:8px}
.footer-form-row{display:flex;gap:8px}
.footer-form .form-control{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);color:#fff;
  border-radius:var(--r-sm);padding:11px 14px;font-size:14px;width:100%;
}
.footer-form .form-control::placeholder{color:rgba(255,255,255,.42)}
.footer-form .form-control:focus{background:rgba(255,255,255,.14);border-color:var(--gold-400);box-shadow:0 0 0 3px rgba(242,184,75,.18);color:#fff}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.55);margin:10px 0 0;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom p{margin:0}
.to-top{
  margin-left:auto;width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.3);color:#fff;transition:all .22s ease;
}
.to-top:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:32px}
  .toc{display:none!important}
  .article-body{max-width:760px;margin:0 auto}
}
@media (max-width:992px){
  .nav-chips{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{gap:12px}
  .site-header.search-open .header-search{width:180px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:36px 32px}
  .article-cover img{height:320px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .article-title{max-width:none}
  .article-layout{padding-top:26px}
  .article-body{font-size:15.5px;line-height:1.8}
  .article-body h2{margin-top:36px;padding-left:14px}
  .article-body blockquote{padding:16px 18px}
  .article-cover{margin-top:22px;border-radius:var(--r-lg)}
  .article-cover img{height:220px}
  .related{padding-top:48px}
  .related-grid{grid-template-columns:1fr}
  .share-bar{align-items:flex-start}
  .share-actions{margin-left:0;width:100%}
  .share-btn{flex:1 1 auto;justify-content:center}
  .cta-band{padding-top:48px}
  .site-footer{margin-top:52px;padding-top:44px}
  .footer-main{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .header-actions .btn-sm{display:none}
  .site-header.search-open .header-search{display:none}
}
@media (max-width:520px){
  .brand-name{font-size:15px}
  .brand-sub{font-size:9.5px}
  .article-meta{gap:10px;font-size:12.5px}
  .meta-actions{margin-left:0;width:100%;margin-top:12px}
  .footer-form-row{flex-direction:column}
  .footer-form-row .btn{width:100%}
  .cta-card{padding:28px 22px}
  .footer-bottom{font-size:12px}
  .to-top{margin-left:0}
}

/* roulang page: category2 */
:root{
  --brand-900:#0E3B36;
  --brand-700:#14524B;
  --brand-500:#2A7C6E;
  --brand-200:#CFE5DE;
  --brand-50:#EAF3F0;
  --accent-600:#B85633;
  --accent-500:#D9714B;
  --accent-100:#FBE7DE;
  --gold-400:#F2B84B;
  --gold-50:#FFF6E4;
  --bg-page:#FAF6F0;
  --bg-card:#FFFFFF;
  --bg-subtle:#F1EBE2;
  --border:#E6DED3;
  --ink:#1E1B18;
  --ink-2:#57504A;
  --ink-3:#8A817A;
  --grad-brand:linear-gradient(90deg,#14524B 0%,#2A7C6E 55%,#3E9C82 100%);
  --grad-hero:radial-gradient(120% 140% at 88% 8%,rgba(217,113,75,.55) 0%,rgba(217,113,75,0) 46%),linear-gradient(128deg,#0E3B36 0%,#1B5D52 46%,#2E8B76 100%);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 2px 10px rgba(20,82,75,.06);
  --shadow-2:0 18px 40px -12px rgba(20,82,75,.22);
  --shadow-3:0 24px 60px -20px rgba(14,59,54,.28);
  --bs-primary:#2A7C6E;
  --bs-primary-rgb:42,124,110;
  --bs-body-bg:#FAF6F0;
  --bs-body-color:#1E1B18;
  --bs-border-color:#E6DED3;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-border-radius-sm:8px;
  --bs-font-sans-serif:'HarmonyOS Sans SC','PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  --bs-link-color:#14524B;
  --bs-link-hover-color:#B85633;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--ink);
  font-family:'HarmonyOS Sans SC','PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--accent-500)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding-left:1.1em}
::selection{background:var(--brand-200);color:var(--brand-900)}
:focus-visible{outline:2px solid var(--gold-400);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,246,240,.94);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--brand-900)}
.brand:hover{color:var(--brand-900)}
.brand svg{flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;color:var(--brand-900);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.06em}
.nav-chips{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;
  overflow-x:auto;scrollbar-width:none;padding:4px 0;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:8px 16px;border-radius:999px;
  background:var(--bg-subtle);color:var(--ink-2);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease;
}
.chip:hover{background:#E7DFD4;color:var(--brand-700)}
.chip.active{background:var(--brand-700);color:#fff;box-shadow:0 2px 10px rgba(20,82,75,.18)}
.chip.active::after{
  content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);
  width:26px;height:3px;border-radius:999px;background:var(--grad-brand);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;min-height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-subtle);border:1px solid transparent;color:var(--brand-700);
  cursor:pointer;transition:background .22s ease,color .22s ease,transform .22s ease;
}
.icon-btn:hover{background:var(--brand-50);color:var(--brand-900);transform:translateY(-1px)}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:#fff;border:1px solid var(--border);color:var(--brand-700);
  align-items:center;justify-content:center;cursor:pointer;
}
.menu-toggle:hover{background:var(--brand-50)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,background-position .22s ease,background-color .22s ease,color .22s ease;
}
.btn-brand{
  background:var(--grad-brand);background-size:150% 100%;background-position:0 0;
  color:#fff;box-shadow:var(--shadow-1);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:var(--shadow-2)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-900);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--brand-900);box-shadow:var(--shadow-1)}
.btn-white:hover{background:var(--gold-50);color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-sm{padding:9px 18px;min-height:40px;font-size:14px}
.btn-block{width:100%}

/* mobile drawer */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(14,59,54,.42);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:1040;
}
.drawer-backdrop.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;
  background:#fff;z-index:1050;padding:20px;
  box-shadow:var(--shadow-3);
  transform:translateX(102%);transition:transform .26s ease;
  display:flex;flex-direction:column;gap:16px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-title{font-size:15px;font-weight:700;color:var(--brand-900)}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-link{
  display:flex;align-items:center;min-height:46px;padding:10px 14px;
  border-radius:12px;background:var(--bg-subtle);color:var(--ink-2);
  font-size:15px;font-weight:500;
}
.drawer-link:hover{background:#E7DFD4;color:var(--brand-700)}
.drawer-link.active{background:var(--brand-700);color:#fff}

/* ---------- page hero ---------- */
.hero-shell{padding-top:24px}
.page-hero{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--grad-hero);color:#fff;
  padding:44px 44px 48px;box-shadow:var(--shadow-2);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.24;mix-blend-mode:luminosity;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(128deg,rgba(14,59,54,.72) 0%,rgba(14,59,54,.42) 58%,rgba(14,59,54,.18) 100%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.breadcrumb-nav{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;
}
.breadcrumb-nav a{color:rgba(255,255,255,.78)}
.breadcrumb-nav a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.breadcrumb-nav .sep{color:rgba(255,255,255,.45)}
.breadcrumb-nav .current{color:#fff;font-weight:500}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.26);
  font-size:12px;font-weight:500;letter-spacing:.04em;color:#fff;margin-bottom:16px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--gold-400)}
.page-title{
  font-size:clamp(30px,4.2vw,46px);line-height:1.16;font-weight:700;
  letter-spacing:-.01em;color:#fff;max-width:20em;
}
.page-lead{
  margin-top:18px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.86);
  max-width:38em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:grid;grid-template-columns:1fr;gap:12px}
.stat-card{
  background:rgba(255,255,255,.97);border:1px solid rgba(255,255,255,.7);
  border-radius:var(--radius-md);padding:18px 20px;box-shadow:var(--shadow-3);
}
.stat-top{display:flex;align-items:baseline;gap:6px}
.stat-num{
  font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:700;color:var(--brand-700);line-height:1.1;
}
.stat-unit{font-size:13px;font-weight:600;color:var(--brand-500)}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.6}

/* ---------- sub nav ---------- */
.subnav{
  position:sticky;top:68px;z-index:1020;
  background:#FAF6F0;border-bottom:1px solid var(--border);margin-top:26px;
}
.subnav-inner{display:flex;align-items:center;gap:16px;min-height:58px;overflow-x:auto;scrollbar-width:none}
.subnav-inner::-webkit-scrollbar{display:none}
.subnav-label{
  flex:0 0 auto;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--ink-3);text-transform:uppercase;
}
.subnav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;flex-wrap:nowrap}
.chip-sm{min-height:36px;padding:6px 14px;font-size:13.5px}
.chip-outline{background:#fff;border:1px solid var(--border);color:var(--ink-2)}
.chip-outline:hover{border-color:var(--brand-200);background:var(--brand-50);color:var(--brand-700)}
.chip-outline.is-current{background:var(--brand-700);border-color:var(--brand-700);color:#fff}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.section-title{font-size:clamp(24px,2.6vw,32px);line-height:1.24;font-weight:700}
.section-desc{font-size:15px;line-height:1.8;color:var(--ink-2);max-width:52em;margin-top:10px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--brand-500);
  margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent-500);border-radius:999px}

/* ---------- magazine rows ---------- */
.mag-list{display:flex;flex-direction:column;gap:40px}
.mag-row{
  display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:center;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:20px;padding:24px;box-shadow:var(--shadow-1);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.mag-row:hover{box-shadow:var(--shadow-2);border-color:var(--brand-200);transform:translateY(-2px)}
.mag-row:nth-child(even){grid-template-columns:7fr 5fr}
.mag-row:nth-child(even) .mag-media{order:2}
.mag-media{
  position:relative;overflow:hidden;border-radius:var(--radius-md);
  aspect-ratio:16/10;background:var(--bg-subtle);
}
.mag-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .7s ease;
}
.mag-row:hover .mag-media img{transform:scale(1.03)}
.mag-media .media-tag{
  position:absolute;left:14px;bottom:14px;
  padding:6px 12px;border-radius:999px;
  background:rgba(14,59,54,.82);color:#fff;font-size:12px;font-weight:500;
  letter-spacing:.02em;
}
.mag-body{padding:4px 6px}
.mag-tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:8px;
  background:var(--gold-50);color:var(--accent-600);
  font-size:12px;font-weight:600;letter-spacing:.03em;margin-bottom:12px;
}
.mag-title{font-size:20px;line-height:1.45;font-weight:600;margin-bottom:12px}
.mag-text{font-size:15px;line-height:1.85;color:var(--ink-2);margin-bottom:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand-700);
  text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;
  transition:color .22s ease;
}
.text-link:hover{color:var(--accent-500)}
.text-link svg{transition:transform .22s ease}
.text-link:hover svg{transform:translateX(4px)}

/* ---------- stat strip ---------- */
.strip-wrap{
  background:var(--bg-subtle);border-radius:var(--radius-lg);
  padding:36px 32px;border:1px solid var(--border);
}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.strip-item{padding-left:20px;border-left:1px solid rgba(20,82,75,.16)}
.strip-item:first-child{border-left:none;padding-left:0}
.strip-num{
  font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--brand-700);line-height:1.15;
}
.strip-num small{font-size:13px;font-weight:600;color:var(--brand-500);margin-left:4px}
.strip-label{font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.6}
.strip-note{
  margin-top:24px;padding-top:20px;border-top:1px dashed rgba(20,82,75,.2);
  font-size:13.5px;line-height:1.8;color:var(--ink-3);
}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:96px}
.faq-aside .section-desc{margin-top:12px}
.faq-aside .aside-hint{
  margin-top:20px;padding:16px 18px;border-radius:var(--radius-sm);
  background:var(--brand-50);border:1px solid var(--brand-200);
  font-size:13.5px;line-height:1.8;color:var(--brand-700);
}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-accordion .accordion-item:hover{border-color:var(--brand-200);box-shadow:var(--shadow-2)}
.faq-accordion .accordion-button{
  position:relative;background:#fff;color:var(--ink);
  font-size:16px;font-weight:600;line-height:1.5;
  padding:20px 56px 20px 22px;border-radius:12px;box-shadow:none;
}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:none}
.faq-accordion .accordion-button:focus-visible{outline:2px solid var(--gold-400);outline-offset:-3px}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--brand-700);background:var(--brand-50);
}
.faq-accordion .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent-500);
}
.faq-accordion .accordion-button::after{
  content:"";position:absolute;right:22px;top:50%;
  width:16px;height:16px;margin:0;transform:translateY(-50%);
  background-image:
    linear-gradient(var(--brand-700),var(--brand-700)),
    linear-gradient(var(--brand-700),var(--brand-700));
  background-size:100% 1.6px,1.6px 100%;
  background-position:center,center;
  background-repeat:no-repeat;
  transition:transform .22s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg)}
.faq-accordion .accordion-body{
  padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);
}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--grad-brand);color:#fff;padding:44px;
  box-shadow:var(--shadow-2);
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;
  border-radius:50%;background:radial-gradient(circle,rgba(242,184,75,.45) 0%,rgba(242,184,75,0) 68%);
  pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-120px;width:300px;height:300px;
  border-radius:50%;background:radial-gradient(circle,rgba(217,113,75,.4) 0%,rgba(217,113,75,0) 70%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:center}
.cta-title{font-size:clamp(22px,2.4vw,30px);line-height:1.28;color:#fff;font-weight:700}
.cta-text{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);max-width:34em}
.cta-form{display:flex;flex-direction:column;gap:10px}
.cta-form-row{display:flex;gap:10px}
.form-control{
  width:100%;min-height:46px;padding:12px 16px;border-radius:12px;
  border:1px solid var(--border);background:#fff;color:var(--ink);font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.form-control::placeholder{color:var(--ink-3)}
.form-control:focus{
  outline:none;border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(20,82,75,.14);
}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.72);line-height:1.7}
.form-msg{font-size:13px;font-weight:600;color:#FFF0C9;min-height:20px}

/* ---------- related cats ---------- */
.related-cats{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  padding:24px;border-radius:var(--radius-md);
  background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-1);
}
.related-cats .label{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.06em;margin-right:6px}
.cat-link{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:10px 18px;border-radius:999px;
  background:var(--bg-subtle);color:var(--ink-2);font-size:14px;font-weight:500;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.cat-link:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px)}
.cat-link svg{transition:transform .22s ease}
.cat-link:hover svg{transform:translateX(3px)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:72px;background:var(--brand-900);color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,255,255,.12);padding-top:56px;
}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-name{color:#fff;font-size:16px;font-weight:700;line-height:1.2}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);font-size:11px;letter-spacing:.06em}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.68);max-width:30em}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.14);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.social-btn:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  display:inline-flex;align-items:center;min-height:28px;
  font-size:13.5px;color:rgba(255,255,255,.72);transition:color .22s ease,transform .22s ease;
}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-contact{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.72);margin-bottom:16px}
.footer-form{display:flex;flex-direction:column;gap:10px}
.footer-form .form-control{
  background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff;
}
.footer-form .form-control::placeholder{color:rgba(255,255,255,.45)}
.footer-form .form-control:focus{border-color:var(--gold-400);box-shadow:0 0 0 3px rgba(242,184,75,.18)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.58);
}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom-links a{color:rgba(255,255,255,.64);font-size:13px}
.footer-bottom-links a:hover{color:#fff}
.back-top{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid rgba(255,255,255,.32);color:#fff;
  transition:background .22s ease,transform .22s ease,border-color .22s ease;
}
.back-top:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .strip-grid{grid-template-columns:repeat(4,1fr);gap:18px}
}
@media (max-width:991.98px){
  .nav-chips{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions .btn-brand{display:none}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .page-hero{padding:34px 28px 38px}
  .mag-row,
  .mag-row:nth-child(even){grid-template-columns:1fr;gap:20px}
  .mag-row:nth-child(even) .mag-media{order:0}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-aside{position:static}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
  .strip-grid{grid-template-columns:repeat(2,1fr)}
  .strip-item:nth-child(3){border-left:none;padding-left:0}
}
@media (max-width:767.98px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .page-hero{padding:26px 20px 30px;border-radius:20px}
  .hero-shell{padding-top:16px}
  .page-lead{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .subnav{top:64px}
  .mag-row{padding:16px;border-radius:16px}
  .mag-body{padding:2px}
  .strip-wrap{padding:26px 20px}
  .cta-band{padding:28px 22px;border-radius:20px}
  .cta-form-row{flex-direction:column}
  .cta-form-row .btn{width:100%}
  .footer-main{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .related-cats{padding:18px}
}
@media (max-width:575.98px){
  .hero-stats{grid-template-columns:1fr}
  .strip-grid{grid-template-columns:1fr;gap:16px}
  .strip-item{border-left:none;padding-left:0;padding-top:14px;border-top:1px dashed rgba(20,82,75,.18)}
  .strip-item:first-child{padding-top:0;border-top:none}
  .chip{min-height:40px;padding:8px 14px;font-size:13.5px}
  .section-head{margin-bottom:20px}
  .brand-name{font-size:15px}
}

/* roulang page: category3 */
:root{
  --brand-900:#0E3B36;--brand-700:#14524B;--brand-500:#2A7C6E;--brand-200:#CFE5DE;--brand-50:#EAF3F0;
  --accent-600:#B85633;--accent-500:#D9714B;--accent-100:#FBE7DE;
  --gold-400:#F2B84B;--gold-50:#FFF6E4;
  --bg-page:#FAF6F0;--bg-card:#FFFFFF;--bg-subtle:#F1EBE2;--border:#E6DED3;
  --ink:#1E1B18;--ink-2:#57504A;--ink-3:#8A817A;
  --grad-brand:linear-gradient(90deg,#14524B 0%,#2A7C6E 55%,#3E9C82 100%);
  --grad-hero:radial-gradient(120% 140% at 88% 8%,rgba(217,113,75,.55) 0%,rgba(217,113,75,0) 46%),linear-gradient(128deg,#0E3B36 0%,#1B5D52 46%,#2E8B76 100%);
  --shadow-1:0 2px 10px rgba(20,82,75,.06);
  --shadow-2:0 18px 40px -12px rgba(20,82,75,.22);
  --shadow-3:0 24px 60px -20px rgba(14,59,54,.28);
  --r-lg:24px;--r-md:16px;--r-sm:12px;--r-xs:8px;
  --bs-primary:#2A7C6E;--bs-primary-rgb:42,124,110;
  --bs-body-bg:#FAF6F0;--bs-body-color:#1E1B18;
  --bs-body-font-family:'HarmonyOS Sans SC','PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  --bs-border-color:#E6DED3;
  --bs-border-radius:16px;--bs-border-radius-sm:12px;--bs-border-radius-lg:24px;
  --bs-link-color:#14524B;--bs-link-hover-color:#B85633;
  --bs-gutter-x:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-page);color:var(--ink);
  font-family:'HarmonyOS Sans SC','PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--brand-700);text-decoration:none;transition:color 220ms ease}
a:hover{color:var(--accent-500)}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
input,button,textarea{font-family:inherit;font-size:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--gold-400);outline-offset:2px;
}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
@media (max-width:768px){.container{padding-left:18px;padding-right:18px}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;height:68px;
  background:rgba(250,246,240,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow 220ms ease;
}
.site-header.scrolled{box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.06}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--brand-900)}
.brand-sub{font-size:10px;letter-spacing:.2em;color:var(--ink-3);margin-top:2px}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;padding:2px 0}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 16px;
  border-radius:999px;background:var(--bg-subtle);color:var(--ink-2);
  font-size:14px;font-weight:500;white-space:nowrap;position:relative;
  transition:background 220ms ease,color 220ms ease,transform 220ms ease;
}
.chip:hover{background:#E7DFD4;color:var(--brand-700)}
.chip.active{background:var(--brand-700);color:#fff;box-shadow:0 4px 14px -6px rgba(14,59,54,.6)}
.chip.active::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:2px;background:var(--grad-brand);
  background:linear-gradient(90deg,#8FC8B8,#F2B84B);
}
.chip-sm{height:32px;padding:0 14px;font-size:13px}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.icon-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--border);
  background:var(--bg-subtle);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background 220ms ease,color 220ms ease,transform 220ms ease;
}
.icon-btn:hover{background:var(--brand-50);color:var(--brand-900);transform:translateY(-1px)}
.menu-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--brand-700);align-items:center;justify-content:center}
.search-panel{
  position:absolute;right:24px;top:72px;width:340px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);box-shadow:var(--shadow-3);padding:14px;
}
.search-form{display:flex;gap:8px}
.search-form input{
  flex:1;border:1px solid var(--border);border-radius:var(--r-sm);padding:10px 12px;font-size:14px;background:var(--bg-page);color:var(--ink);
}
.search-form input:focus{outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(20,82,75,.14)}
.search-form button{
  border:0;border-radius:var(--r-sm);padding:10px 16px;background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
}
.drawer-mask{position:fixed;inset:0;background:rgba(14,59,54,.42);opacity:0;visibility:hidden;transition:opacity 220ms ease;z-index:1050}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:1060;
  transform:translateX(102%);transition:transform 260ms ease;box-shadow:var(--shadow-3);
  display:flex;flex-direction:column;padding:20px 20px 28px;gap:16px;overflow-y:auto;
}
.mobile-drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding-bottom:14px}
.drawer-head .brand-name{font-size:16px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:var(--bg-subtle);color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{display:block;padding:12px 14px;border-radius:var(--r-sm);background:var(--bg-subtle);color:var(--ink-2);font-size:14px;font-weight:500}
.drawer-nav a.active{background:var(--brand-700);color:#fff}

/* ============ buttons ============ */
.btn-primary-pill,.btn-ghost-pill,.btn-light-pill,.btn-outline-light-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform 220ms ease,box-shadow 220ms ease,background-position 220ms ease,background-color 220ms ease,color 220ms ease;
  min-height:44px;
}
.btn-primary-pill{
  border:0;background:var(--grad-brand);background-size:150% 100%;background-position:0 0;color:#fff;
  box-shadow:0 8px 20px -10px rgba(20,82,75,.7);
}
.btn-primary-pill:hover{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:var(--shadow-2)}
.btn-primary-pill:active{transform:translateY(0)}
.btn-ghost-pill{border:1.5px solid var(--brand-700);background:#fff;color:var(--brand-700)}
.btn-ghost-pill:hover{background:var(--brand-50);color:var(--brand-900);transform:translateY(-2px)}
.btn-light-pill{border:0;background:#fff;color:var(--brand-700);box-shadow:var(--shadow-1)}
.btn-light-pill:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);color:var(--brand-900)}
.btn-outline-light-pill{border:1.5px solid rgba(255,255,255,.7);background:transparent;color:#fff}
.btn-outline-light-pill:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.btn-sm-pill{padding:9px 18px;font-size:14px;min-height:38px}

/* ============ breadcrumb ============ */
.breadcrumb-bar{padding:22px 0 0}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.breadcrumb-list a{color:var(--ink-3)}
.breadcrumb-list a:hover{color:var(--brand-700)}
.breadcrumb-list .sep{color:#CBBFB1}
.breadcrumb-list .current{color:var(--ink-2)}

/* ============ page hero ============ */
.page-hero{padding:14px 0 0}
.page-hero-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--grad-hero);color:#fff;
  display:grid;grid-template-columns:1.32fr .82fr;min-height:360px;
  box-shadow:var(--shadow-2);
}
.page-hero-text{padding:44px 44px 40px;display:flex;flex-direction:column;justify-content:center;gap:18px;position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  padding:6px 14px;border-radius:999px;font-size:12px;font-weight:500;letter-spacing:.04em;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);color:#F4FBF8;
}
.page-hero h1{
  font-size:clamp(30px,4vw,44px);line-height:1.16;font-weight:700;letter-spacing:-.01em;
  max-width:16em;color:#fff;
}
.page-hero .hero-lead{font-size:17px;line-height:1.9;color:rgba(255,255,255,.86);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}
.page-hero-figure{position:relative;overflow:hidden}
.page-hero-figure img{width:100%;height:100%;object-fit:cover;opacity:.34;mix-blend-mode:luminosity}
.page-hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,#124C44 0%,rgba(18,76,68,.55) 38%,rgba(18,76,68,0) 100%);
}
.hero-stats{
  position:relative;z-index:2;display:flex;gap:0;flex-wrap:wrap;
  background:#fff;border-radius:20px;padding:16px 22px;margin-top:6px;align-self:flex-start;
  box-shadow:var(--shadow-2);color:var(--ink);
}
.hero-stat{padding-right:22px}
.hero-stat + .hero-stat{border-left:1px solid var(--border);padding-left:22px}
.hero-stat .num{font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;font-size:24px;font-weight:700;color:var(--brand-700);line-height:1.1}
.hero-stat .lbl{font-size:12px;color:var(--ink-3);margin-top:4px;line-height:1.4}

/* ============ topic bar ============ */
.topic-bar{position:sticky;top:68px;z-index:1010;background:var(--bg-page);border-bottom:1px solid var(--border);margin-top:32px}
.topic-bar-inner{display:flex;align-items:center;gap:16px;padding:12px 0}
.topic-label{flex:0 0 auto;font-size:12px;letter-spacing:.14em;color:var(--ink-3);white-space:nowrap}
.topic-chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 0}
.topic-chips::-webkit-scrollbar{display:none}

/* ============ sections ============ */
.section{padding:64px 0 0}
.section-head{max-width:760px;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.24;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.section-head p{font-size:16px;line-height:1.85;color:var(--ink-2)}
.section-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);border-bottom:2px solid var(--brand-200);padding-bottom:2px;transition:color 220ms ease,border-color 220ms ease}
.text-link:hover{color:var(--accent-500);border-color:var(--accent-500)}
.text-link .arrow{transition:transform 220ms ease}
.text-link:hover .arrow{transform:translateX(4px)}

/* ============ timeline ============ */
.timeline{position:relative;padding-left:40px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:6px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand-500) 0%,var(--brand-500) 42%,var(--gold-400) 100%);
}
.tl-item{position:relative;margin-bottom:24px}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  position:absolute;left:-40px;top:30px;width:14px;height:14px;border-radius:50%;
  background:var(--brand-500);box-shadow:0 0 0 5px rgba(42,124,110,.14);
  transition:transform 220ms ease,background 220ms ease;
}
.tl-item:last-child .tl-node{background:var(--gold-400);box-shadow:0 0 0 5px rgba(242,184,75,.2)}
.tl-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:20px;
  padding:24px 28px;box-shadow:var(--shadow-1);
  transition:transform 220ms ease,box-shadow 220ms ease,border-color 220ms ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-200)}
.tl-item:hover .tl-node{transform:scale(1.12)}
.tl-tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:8px;
  background:var(--gold-50);color:var(--accent-600);font-size:12px;font-weight:500;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.tl-card h3{font-size:20px;line-height:1.42;font-weight:600;margin:14px 0 10px}
.tl-card p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.tl-card p + p{margin-top:10px}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pill-meta{font-size:12px;padding:5px 11px;border-radius:999px;background:var(--bg-subtle);color:var(--ink-3)}

/* ============ dimension cards ============ */
.dim-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.dim-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform 220ms ease,box-shadow 220ms ease;
}
.dim-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.dim-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-subtle)}
.dim-media img{width:100%;height:100%;object-fit:cover;transition:transform 700ms ease}
.dim-card:hover .dim-media img{transform:scale(1.03)}
.dim-body{padding:22px 24px 24px}
.dim-body .cat-tag{display:inline-block;font-size:12px;font-weight:500;padding:5px 11px;border-radius:8px;background:var(--gold-50);color:var(--accent-600);margin-bottom:12px}
.dim-body h3{font-size:20px;line-height:1.42;font-weight:600;margin-bottom:10px}
.dim-body p{font-size:14.5px;line-height:1.85;color:var(--ink-2)}

/* ============ stats strip ============ */
.stats-wrap{margin-top:64px}
.stats-strip{
  background:var(--bg-subtle);border-radius:var(--r-lg);padding:32px 40px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;border:1px solid var(--border);
}
.stat-item{padding:4px 20px 4px 0}
.stat-item + .stat-item{border-left:1px solid #DED3C4;padding-left:24px}
.stat-item .num{font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--brand-700);line-height:1.15}
.stat-item .lbl{font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.6}
.stats-note{margin-top:18px;font-size:13px;color:var(--ink-3);line-height:1.7}

/* ============ faq ============ */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.faq-intro{position:sticky;top:120px}
.faq-intro h2{font-size:clamp(24px,2.6vw,32px);line-height:1.24;font-weight:700;margin-bottom:14px}
.faq-intro p{font-size:15px;line-height:1.85;color:var(--ink-2);margin-bottom:18px}
.faq-accordion .accordion-item{
  border:1px solid var(--border);border-radius:var(--r-sm);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow 220ms ease,border-color 220ms ease;
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-item:hover{box-shadow:var(--shadow-2)}
.faq-accordion .accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);background:#fff;
  padding:20px 22px;border:0;box-shadow:none;line-height:1.5;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand-900);background:var(--brand-50)}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--gold-400);outline-offset:-2px}
.faq-accordion .accordion-button::after{
  content:"";width:16px;height:16px;flex:0 0 16px;margin-left:auto;
  background-image:linear-gradient(var(--brand-700),var(--brand-700)),linear-gradient(var(--brand-700),var(--brand-700));
  background-size:16px 1.6px,1.6px 16px;background-position:center,center;background-repeat:no-repeat;
  transition:transform 220ms ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  background-image:linear-gradient(var(--accent-600),var(--accent-600)),linear-gradient(var(--accent-600),var(--accent-600));
}
.faq-accordion .accordion-body{
  padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);
  border-left:3px solid var(--accent-500);margin-left:0;
}
.faq-accordion .accordion-button:not(.collapsed){
  border-left:3px solid var(--accent-500);
}

/* ============ cta ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--grad-brand);color:#fff;
  padding:44px;display:grid;grid-template-columns:1.25fr .95fr;gap:32px;align-items:center;
  box-shadow:var(--shadow-2);
}
.cta-card::before{
  content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.24) 0%,rgba(255,255,255,0) 68%);
}
.cta-card h2{font-size:clamp(22px,2.4vw,30px);line-height:1.28;font-weight:700;margin-bottom:12px;position:relative;z-index:1}
.cta-card p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.84);position:relative;z-index:1}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:1}
.cta-form input{
  flex:1 1 200px;min-height:44px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.14);color:#fff;padding:11px 14px;font-size:14px;
}
.cta-form input::placeholder{color:rgba(255,255,255,.7)}
.cta-form input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.22);background:rgba(255,255,255,.2)}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.72);margin-top:10px;position:relative;z-index:1}
.form-status{font-size:13px;color:#FFE9B8;margin-top:8px;position:relative;z-index:1;min-height:20px}

/* ============ related chips ============ */
.related-block{margin-top:56px;padding-top:32px;border-top:1px solid var(--border)}
.related-block h3{font-size:15px;font-weight:600;color:var(--ink-2);margin-bottom:14px;letter-spacing:.04em}
.related-chips{display:flex;flex-wrap:wrap;gap:10px}

/* ============ footer ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.12);padding:64px 0 0;margin-top:72px}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);font-size:10px;letter-spacing:.2em;margin-top:2px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.68);max-width:30em}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.78);
  transition:background 220ms ease,color 220ms ease,transform 220ms ease;
}
.social-btn:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:rgba(255,255,255,.72);font-size:13.5px;line-height:1.6}
.footer-links a:hover{color:#fff}
.footer-note{font-size:13px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:14px}
.footer-form{display:flex;flex-direction:column;gap:10px}
.footer-form input{
  min-height:42px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;padding:10px 14px;font-size:14px;
}
.footer-form input::placeholder{color:rgba(255,255,255,.55)}
.footer-form input:focus{outline:none;border-color:#8FC8B8;box-shadow:0 0 0 3px rgba(143,200,184,.22)}
.footer-form button{
  min-height:42px;border:0;border-radius:999px;background:linear-gradient(90deg,#2A7C6E,#3E9C82);
  color:#fff;font-size:14px;font-weight:600;transition:transform 220ms ease,box-shadow 220ms ease;
}
.footer-form button:hover{transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(0,0,0,.6)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.6}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.32);
  background:transparent;color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:background 220ms ease,transform 220ms ease;
}
.to-top:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .page-hero-text{padding:38px 34px 34px}
}
@media (max-width:991.98px){
  .nav-chips{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions .btn-cta{display:none}
  .page-hero-card{grid-template-columns:1fr;min-height:0}
  .page-hero-figure{position:absolute;inset:0;z-index:1}
  .page-hero-figure::after{background:linear-gradient(180deg,rgba(14,59,54,.55) 0%,rgba(14,59,54,.86) 100%)}
  .page-hero-text{padding:36px 28px 32px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-intro{position:static}
  .stats-strip{grid-template-columns:repeat(2,1fr);gap:20px;padding:28px}
  .stat-item{padding:0}
  .stat-item + .stat-item{border-left:0;padding-left:0}
  .stat-item:nth-child(even){border-left:1px solid #DED3C4;padding-left:20px}
  .cta-card{grid-template-columns:1fr;padding:34px 28px}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .section{padding:44px 0 0}
  .topic-bar{margin-top:24px;top:68px}
  .topic-bar-inner{gap:10px}
  .page-hero h1{font-size:28px}
  .page-hero .hero-lead{font-size:15.5px}
  .hero-stats{width:100%;overflow-x:auto;flex-wrap:nowrap;padding:14px 18px}
  .hero-stat{white-space:nowrap;padding-right:18px}
  .hero-stat + .hero-stat{padding-left:18px}
  .timeline{padding-left:30px}
  .timeline::before{left:5px}
  .tl-node{left:-30px;top:26px;width:12px;height:12px;box-shadow:0 0 0 4px rgba(42,124,110,.14)}
  .tl-card{padding:20px 20px}
  .tl-card h3{font-size:18px}
  .dim-grid{grid-template-columns:1fr}
  .stats-strip{grid-template-columns:1fr;gap:16px}
  .stat-item:nth-child(even){border-left:0;padding-left:0}
  .stat-item + .stat-item{border-top:1px solid #DED3C4;padding-top:16px;border-left:0;padding-left:0}
  .cta-form{flex-direction:column}
  .cta-form input,.cta-form button{width:100%}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px;margin-top:56px}
  .search-panel{right:16px;left:16px;width:auto}
}
@media (max-width:519.98px){
  .page-hero-text{padding:28px 20px 26px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-primary-pill,.hero-actions .btn-outline-light-pill{width:100%}
  .cta-card{padding:28px 20px}
  .breadcrumb-list{font-size:12.5px}
}

/* roulang page: category4 */
:root{
  --brand-900:#0E3B36;
  --brand-700:#14524B;
  --brand-500:#2A7C6E;
  --brand-200:#CFE5DE;
  --brand-50:#EAF3F0;
  --accent-600:#B85633;
  --accent-500:#D9714B;
  --accent-100:#FBE7DE;
  --gold-400:#F2B84B;
  --gold-50:#FFF6E4;
  --bg-page:#FAF6F0;
  --bg-card:#FFFFFF;
  --bg-subtle:#F1EBE2;
  --border:#E6DED3;
  --ink:#1E1B18;
  --ink-2:#57504A;
  --ink-3:#8A817A;
  --grad-brand:linear-gradient(90deg,#14524B 0%,#2A7C6E 55%,#3E9C82 100%);
  --grad-hero:radial-gradient(120% 140% at 88% 8%,rgba(217,113,75,.55) 0%,rgba(217,113,75,0) 46%),linear-gradient(128deg,#0E3B36 0%,#1B5D52 46%,#2E8B76 100%);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-xs:8px;
  --shadow-1:0 2px 10px rgba(20,82,75,.06);
  --shadow-2:0 18px 40px -12px rgba(20,82,75,.22);
  --shadow-3:0 24px 60px -20px rgba(14,59,54,.28);
  --bs-primary:#14524B;
  --bs-body-bg:#FAF6F0;
  --bs-body-color:#1E1B18;
  --bs-border-color:#E6DED3;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-border-radius-sm:8px;
  --bs-link-color:#14524B;
  --bs-link-hover-color:#B85633;
  --bs-font-sans-serif:'HarmonyOS Sans SC','PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'HarmonyOS Sans SC','PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--brand-700);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--accent-600)}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--gold-400);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.row{--bs-gutter-x:24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,246,240,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.brand svg{flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;color:var(--brand-900);letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.14em}
.nav-chips{display:flex;align-items:center;gap:8px;margin-left:6px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  padding:8px 16px;min-height:36px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink-2);
  background:var(--bg-subtle);white-space:nowrap;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.chip:hover{background:#E7DFD4;color:var(--brand-900)}
.chip.active{background:var(--brand-700);color:#fff;box-shadow:0 8px 18px -10px rgba(20,82,75,.7)}
.chip.active:hover{color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-subtle);color:var(--brand-700);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.icon-btn:hover{background:var(--brand-200);color:var(--brand-900);transform:translateY(-1px)}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;color:var(--brand-700);background:var(--bg-subtle)}
.menu-toggle:hover{background:var(--brand-200)}

/* ---------- buttons ---------- */
.btn-brand,.btn-ghost,.btn-outline-soft,.btn-light-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,background-position .22s ease;
}
.btn-brand{
  background-image:var(--grad-brand);background-size:150% 100%;background-position:0 0;
  color:#fff;box-shadow:0 10px 24px -12px rgba(20,82,75,.65);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:var(--shadow-2)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
  background:#fff;color:var(--brand-700);border:1.5px solid var(--brand-700);
}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-900)}
.btn-light-outline{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.72);
}
.btn-light-outline:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-outline-soft{
  background:var(--bg-card);color:var(--brand-700);border:1px solid var(--border);box-shadow:var(--shadow-1);
}
.btn-outline-soft:hover{border-color:var(--brand-200);color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-sm{padding:9px 18px;min-height:38px;font-size:14px}
.btn-block{width:100%}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding-top:22px}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:#C4B9AC}
.crumb .current{color:var(--ink-2)}

/* ---------- page hero ---------- */
.page-hero{padding:14px 0 0}
.hero-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  background-image:var(--grad-hero);
  padding:46px 48px;
  display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:36px;align-items:end;
  box-shadow:var(--shadow-3);
}
.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.28;mix-blend-mode:luminosity;pointer-events:none;
}
.hero-panel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(14,59,54,.92) 0%,rgba(14,59,54,.66) 46%,rgba(14,59,54,.34) 100%);
  pointer-events:none;
}
.hero-copy,.hero-stats{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);color:#EAF3F0;
  font-size:12px;font-weight:500;letter-spacing:.04em;
}
.hero-copy h1{
  margin-top:16px;color:#fff;
  font-size:clamp(28px,4vw,44px);line-height:1.18;font-weight:700;letter-spacing:-.01em;
}
.hero-lead{margin-top:16px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.84);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{
  background:#fff;border-radius:20px;padding:20px 22px;box-shadow:var(--shadow-2);
  display:flex;flex-direction:column;gap:14px;
}
.hero-stat{display:flex;align-items:baseline;gap:10px}
.hero-stat .num{font-family:'Inter',system-ui,sans-serif;font-size:26px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums}
.hero-stat .lbl{font-size:12px;color:var(--ink-2)}
.hero-stat + .hero-stat{border-top:1px dashed var(--border);padding-top:12px}

/* ---------- filter bar ---------- */
.filter-bar{position:sticky;top:68px;z-index:1020;background:rgba(250,246,240,.96);border-bottom:1px solid var(--border);margin-top:26px}
.filter-inner{display:flex;align-items:center;gap:14px;padding:12px 0}
.filter-label{font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.1em;white-space:nowrap}
.filter-chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.filter-chips::-webkit-scrollbar{display:none}
.filter-chip{
  padding:7px 14px;border-radius:999px;font-size:13.5px;font-weight:500;
  color:var(--ink-2);background:var(--bg-card);border:1px solid var(--border);
  white-space:nowrap;transition:all .22s ease;min-height:36px;
}
.filter-chip:hover{border-color:var(--brand-200);color:var(--brand-700);background:var(--brand-50)}
.filter-chip.is-on{background:var(--brand-700);border-color:var(--brand-700);color:#fff}

/* ---------- layout ---------- */
.section{padding:56px 0}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.main-col{min-width:0}
.side-col{position:sticky;top:150px;display:flex;flex-direction:column;gap:18px}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
.section-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;color:var(--brand-900);line-height:1.3}
.section-head p{font-size:13.5px;color:var(--ink-3);margin-top:6px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);white-space:nowrap}
.text-link:hover{color:var(--accent-500)}
.text-link svg{transition:transform .22s ease}
.text-link:hover svg{transform:translateX(4px)}

/* ---------- list cards (2 col) ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.case-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-200)}
.case-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-subtle)}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:8px;
  font-size:12px;font-weight:500;line-height:1.4;
  background:var(--gold-50);color:var(--accent-600);
}
.tag-green{background:var(--brand-50);color:var(--brand-700)}
.case-body h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink)}
.case-card:hover .case-body h3{color:var(--brand-700)}
.case-body p{font-size:13.5px;line-height:1.75;color:var(--ink-2)}
.case-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px dashed var(--border);font-size:12.5px;color:var(--ink-3)}
.case-foot .arrow{display:inline-flex;align-items:center;gap:4px;color:var(--brand-700);font-weight:600;transition:transform .22s ease}
.case-card:hover .case-foot .arrow{transform:translateX(4px)}

/* ---------- sidebar ---------- */
.side-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-1)}
.side-card h3{font-size:15px;font-weight:600;color:var(--brand-900);margin-bottom:12px}
.side-cta{
  position:relative;overflow:hidden;border-radius:var(--radius-md);
  background-image:var(--grad-brand);color:#fff;padding:24px 22px;box-shadow:var(--shadow-2);
}
.side-cta::after{
  content:"";position:absolute;width:180px;height:180px;right:-60px;top:-70px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,184,75,.42),rgba(242,184,75,0) 70%);
}
.side-cta h3{position:relative;z-index:1;font-size:17px;font-weight:700;color:#fff}
.side-cta p{position:relative;z-index:1;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.82);margin-top:10px}
.side-cta .btn-light-outline{position:relative;z-index:1;margin-top:18px;width:100%}
.mini-stats{display:flex;flex-direction:column;gap:12px}
.mini-stat{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.mini-stat .n{font-family:'Inter',system-ui,sans-serif;font-size:22px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums}
.mini-stat .t{font-size:12.5px;color:var(--ink-2)}
.mini-stat + .mini-stat{border-top:1px dashed var(--border);padding-top:10px}
.side-note{font-size:12.5px;line-height:1.8;color:var(--ink-3)}
.side-note strong{color:var(--brand-700);font-weight:600}

/* ---------- related chips ---------- */
.related-block{margin-top:34px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-1)}
.related-block h3{font-size:15px;font-weight:600;color:var(--brand-900);margin-bottom:14px}
.related-chips{display:flex;flex-wrap:wrap;gap:10px}
.related-chips a{
  display:inline-flex;align-items:center;min-height:40px;padding:9px 16px;border-radius:999px;
  font-size:13.5px;font-weight:500;color:var(--brand-700);
  background:var(--brand-50);border:1px solid var(--brand-200);
  transition:all .22s ease;
}
.related-chips a:hover{background:var(--brand-700);color:#fff;border-color:var(--brand-700);transform:translateY(-2px)}
.related-chips a.is-now{background:var(--brand-700);color:#fff;border-color:var(--brand-700)}

/* ---------- faq ---------- */
.faq-section{background:var(--bg-subtle);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.faq-grid{display:grid;grid-template-columns:340px minmax(0,1fr);gap:40px;align-items:start}
.faq-aside{position:sticky;top:150px}
.faq-aside h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:var(--brand-900);line-height:1.3}
.faq-aside p{margin-top:14px;font-size:14px;line-height:1.85;color:var(--ink-2)}
.accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
  overflow:hidden;margin-bottom:12px;box-shadow:var(--shadow-1);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);background:#fff;
  padding:18px 22px;box-shadow:none;line-height:1.6;
}
.accordion-button:not(.collapsed){background:#fff;color:var(--brand-700);box-shadow:none}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(242,184,75,.4);border-color:transparent;z-index:2}
.accordion-button::after{
  background-image:none;content:"+";font-size:22px;font-weight:400;line-height:1;
  width:auto;height:auto;margin-left:auto;color:var(--accent-600);
  transition:transform .22s ease;transform:none;
}
.accordion-button:not(.collapsed)::after{background-image:none;transform:rotate(45deg);color:var(--accent-600)}
.accordion-body{
  font-size:15px;line-height:1.85;color:var(--ink-2);
  padding:0 22px 20px;border-left:3px solid var(--accent-500);
  margin-left:0;
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--brand-200)}

/* ---------- cta ---------- */
.cta-wrap{padding:8px 0 64px}
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background-image:var(--grad-brand);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-3);
}
.cta-panel::after{
  content:"";position:absolute;width:320px;height:320px;right:-80px;top:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
}
.cta-text{position:relative;z-index:1;max-width:620px}
.cta-text h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;line-height:1.32}
.cta-text p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.84)}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.12);padding:56px 0 0}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px}
.brand-text .brand-name{color:#fff}
.brand-sub-footer{color:rgba(255,255,255,.5)}
.footer-desc{margin-top:16px;font-size:13.5px;line-height:1.85;max-width:320px}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);
  border:1px solid rgba(255,255,255,.14);transition:all .22s ease;
}
.social-btn:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:13.5px}
.footer-links a{color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff}
.footer-sub{display:flex;gap:8px;margin-top:14px}
.footer-sub input{
  flex:1 1 auto;min-width:0;border-radius:12px;padding:11px 14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:13.5px;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.45)}
.footer-sub input:focus{outline:none;border-color:var(--gold-400);box-shadow:0 0 0 3px rgba(242,184,75,.22)}
.footer-sub button{
  flex:0 0 auto;padding:11px 18px;border-radius:12px;font-size:13.5px;font-weight:600;
  background:var(--gold-400);color:#3A2A08;transition:all .22s ease;min-height:44px;
}
.footer-sub button:hover{background:#F7C766;transform:translateY(-1px)}
.footer-contact{font-size:13.5px;line-height:1.9;margin-top:14px;color:rgba(255,255,255,.62)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:12.5px;color:rgba(255,255,255,.55);flex-wrap:wrap;
}
.to-top{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.8);
  transition:all .22s ease;
}
.to-top:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,59,54,.42);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;
  background:#fff;z-index:1060;box-shadow:var(--shadow-3);
  transform:translateX(102%);transition:transform .26s ease;
  padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-head span{font-size:15px;font-weight:700;color:var(--brand-900)}
.drawer-close{width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:var(--bg-subtle);color:var(--brand-700)}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{
  display:flex;align-items:center;min-height:44px;padding:10px 16px;border-radius:12px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);background:var(--bg-subtle);
}
.drawer-nav a.active{background:var(--brand-700);color:#fff}
.drawer-nav a:hover{background:#E7DFD4;color:var(--brand-900)}
.drawer-nav a.active:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .hero-panel{grid-template-columns:minmax(0,1fr) 260px;padding:40px}
}
@media (max-width:992px){
  .nav-chips{display:none}
  .menu-toggle{display:inline-flex}
  .hero-panel{grid-template-columns:minmax(0,1fr);gap:26px;padding:36px 32px;align-items:start}
  .hero-stats{flex-direction:row;gap:18px;overflow-x:auto;padding:16px 18px}
  .hero-stat{flex:0 0 auto;flex-direction:column;align-items:flex-start;gap:2px}
  .hero-stat + .hero-stat{border-top:none;border-left:1px dashed var(--border);padding-top:0;padding-left:18px}
  .content-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .side-col{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .side-cta{grid-column:span 2}
  .faq-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .faq-aside{position:static}
  .footer-main{grid-template-columns:1fr 1fr;gap:30px}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:36px 30px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .header-inner{height:64px;gap:12px}
  .brand-name{font-size:16px}
  .section{padding:44px 0}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .filter-bar{top:64px}
  .hero-copy h1{font-size:clamp(26px,6.4vw,32px)}
  .hero-lead{font-size:16px}
  .hero-actions .btn-brand,.hero-actions .btn-light-outline{width:100%}
  .side-col{grid-template-columns:minmax(0,1fr)}
  .side-cta{grid-column:span 1}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .footer-main{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-actions{width:100%}
  .cta-actions .btn-light-outline,.cta-actions .btn-brand{width:100%}
}
@media (max-width:520px){
  .hero-panel{padding:28px 22px;border-radius:20px}
  .cta-panel{padding:28px 22px;border-radius:20px}
  .case-body{padding:16px}
  .related-block{padding:18px}
  .related-chips a{width:100%;justify-content:center}
  .footer-sub{flex-direction:column}
  .footer-sub button{width:100%}
}