/* roulang page: index */
:root{
  --brand-900:#08211F;
  --brand-700:#0F5A52;
  --brand-600:#0F766E;
  --brand-500:#14B8A6;
  --brand-300:#5EEAD4;
  --brand-50:#E6F5F2;
  --accent-500:#F59E0B;
  --accent-100:#FDF0DA;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#EFEBE4;
  --line:#E2DCD2;
  --ink:#14231F;
  --ink-2:#5B6B67;
  --grad-brand:linear-gradient(135deg,#0F766E 0%,#14B8A6 55%,#5EEAD4 100%);
  --grad-dark:linear-gradient(160deg,#08211F 0%,#0F5A52 100%);
  --shadow-card:0 10px 30px rgba(8,33,31,.08);
  --shadow-hover:0 18px 44px rgba(8,33,31,.14);
  --ease:240ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--accent-500);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:88px 0;}
.section.alt{background:var(--surface-2);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:30px;line-height:1.35;}
.section-sub{margin-top:12px;color:var(--ink-2);font-size:15px;}
.section-head-row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:15px;white-space:nowrap;}
.text-link .arrow{transition:transform var(--ease);}
.text-link:hover .arrow{transform:translateX(3px);}

/* 顶部信息条 */
.topbar{background:var(--brand-900);color:#fff;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0;}
.dom{font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand-300);}
.topbar-note{color:rgba(255,255,255,.72);white-space:nowrap;}
.topbar-right{display:flex;align-items:center;gap:10px;}
.topbar-right a{color:rgba(255,255,255,.82);transition:color var(--ease);}
.topbar-right a:hover{color:#fff;}
.topbar-right .sep{color:rgba(255,255,255,.28);}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow var(--ease);}
.site-header.scrolled{box-shadow:0 6px 20px rgba(8,33,31,.08);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{width:36px;height:36px;flex:none;}
.logo-text{font-weight:700;font-size:17px;color:var(--brand-900);letter-spacing:0.01em;}
.nav-links{display:none;align-items:center;gap:28px;}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:22px 0;transition:color var(--ease);}
.nav-link:hover{color:var(--brand-600);}
.nav-link.active{color:var(--brand-600);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;background:var(--grad-brand);border-radius:2px;}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);cursor:pointer;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(8,33,31,.5);opacity:0;pointer-events:none;transition:opacity var(--ease);z-index:70;}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer{position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;background:var(--surface);z-index:80;transform:translateX(100%);transition:transform var(--ease);padding:24px 22px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer h4{font-size:14px;color:var(--ink-2);font-weight:600;margin:16px 0 6px;}
.drawer a{padding:12px 0;font-size:15px;border-bottom:1px solid var(--line);}
.drawer a:last-of-type{border-bottom:none;}
.drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);cursor:pointer;font-size:18px;line-height:1;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:14px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);min-height:44px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(15,118,110,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,118,110,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--surface);color:var(--brand-600);border-color:var(--brand-600);}
.btn-ghost:hover{background:var(--brand-50);transform:translateY(-2px);}
.btn-outline-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:12px;min-height:40px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.4;pointer-events:none;}

/* Hero */
.hero{position:relative;overflow:hidden;color:#fff;padding:72px 0 80px;min-height:600px;display:flex;align-items:center;background:var(--brand-900);}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.55;}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,118,110,.9) 0%,rgba(8,33,31,.88) 55%,rgba(8,33,31,.94) 100%);}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:44px;align-items:center;}
.hero-copy{max-width:640px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);color:#fff;font-size:13px;padding:6px 14px;border-radius:999px;}
.hero h1{margin-top:20px;font-size:28px;line-height:1.3;}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.84);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-badges li{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.9);background:rgba(8,33,31,.34);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:7px 14px;}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex:none;}
.dot-amber{background:var(--accent-500);}
.dot-teal{background:var(--brand-300);}
.hero-visual{position:relative;}
.hero-card{border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.2);box-shadow:0 24px 60px rgba(0,0,0,.34);background:var(--brand-50);aspect-ratio:16/10;}
.hero-card img{width:100%;height:100%;object-fit:cover;}
.float-badge{position:absolute;display:inline-flex;align-items:center;gap:8px;background:var(--surface);color:var(--ink);font-size:13px;padding:9px 14px;border-radius:999px;box-shadow:0 14px 30px rgba(8,33,31,.22);white-space:nowrap;}
.float-badge b{font-variant-numeric:tabular-nums;font-weight:800;}
.fb-1{top:-14px;left:-8px;}
.fb-2{bottom:-16px;right:-6px;}

/* 指标卡 */
.metric-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px 24px 24px;box-shadow:var(--shadow-card);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease);}
.metric-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.metric-card.dark{background:var(--grad-dark);border-color:transparent;color:#fff;}
.metric-card.dark .metric-label{color:rgba(255,255,255,.72);}
.metric-card.dark .metric-note{color:rgba(255,255,255,.6);}
.metric-value{font-size:44px;line-height:1.1;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-700);}
.metric-card.dark .metric-value{color:#fff;}
.metric-unit{font-size:15px;font-weight:600;margin-left:4px;color:var(--ink-2);}
.metric-card.dark .metric-unit{color:rgba(255,255,255,.75);}
.metric-label{margin-top:8px;font-size:15px;font-weight:600;}
.metric-note{margin-top:6px;font-size:13px;color:var(--ink-2);}
.trend{display:inline-flex;align-items:center;gap:6px;margin-top:14px;background:var(--accent-100);color:#92400E;font-size:13px;font-weight:600;border-radius:999px;padding:5px 12px;font-variant-numeric:tabular-nums;}
.metric-card.dark .trend{background:rgba(245,158,11,.2);color:#FCD34D;}

/* 服务矩阵 */
.matrix-grid{display:grid;grid-template-columns:1fr;gap:24px;}
.card{background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-card);transition:transform var(--ease),box-shadow var(--ease);}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.card-wide{display:flex;flex-direction:column;overflow:hidden;}
.card-wide-media{aspect-ratio:16/10;background:var(--brand-50);overflow:hidden;}
.card-wide-media img{width:100%;height:100%;object-fit:cover;}
.card-wide-body{padding:28px;}
.card-num{display:inline-block;font-size:13px;font-weight:800;color:var(--brand-600);font-variant-numeric:tabular-nums;letter-spacing:.08em;}
.card h3{font-size:20px;line-height:1.45;margin-top:10px;}
.card p.desc{margin-top:12px;color:var(--ink-2);font-size:15px;}
.point-list{margin-top:18px;display:grid;gap:10px;}
.point-list li{position:relative;padding-left:20px;font-size:15px;color:var(--ink);}
.point-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--brand-300);}
.card-dark{background:var(--grad-dark);color:#fff;border-color:transparent;padding:30px 26px;display:flex;flex-direction:column;gap:16px;}
.card-dark h3{color:#fff;}
.card-dark p.desc{color:rgba(255,255,255,.76);}
.card-dark .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;}
.badge-soft{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:13px;border-radius:999px;padding:7px 13px;font-variant-numeric:tabular-nums;}
.card-mini{padding:26px 24px;display:flex;flex-direction:column;gap:12px;}
.icon-block{width:48px;height:48px;border-radius:12px;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;}
.card-mini h3{font-size:18px;margin-top:2px;}
.card-mini p{color:var(--ink-2);font-size:15px;}
.card-mini .text-link{margin-top:auto;padding-top:6px;}

/* 结果对比 */
.tab-row{display:flex;gap:10px;margin-bottom:24px;flex-wrap:wrap;}
.tab-pill{font-size:13px;font-weight:600;border-radius:999px;padding:8px 16px;border:1px solid var(--line);color:var(--ink-2);background:var(--surface);}
.tab-pill.active{background:var(--brand-50);border-color:var(--brand-300);color:var(--brand-700);}
.compare-grid{display:grid;grid-template-columns:1fr;gap:24px;}
.compare-col{border-radius:24px;padding:28px 26px;border:1px solid var(--line);}
.compare-col.left{background:var(--surface-2);}
.compare-col.right{background:var(--surface);border-color:var(--brand-600);box-shadow:var(--shadow-card);position:relative;overflow:hidden;}
.compare-col.right::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
.compare-col h3{font-size:18px;}
.compare-col .col-note{font-size:13px;color:var(--ink-2);margin-top:6px;}
.compare-row{padding:16px 0;border-bottom:1px solid var(--line);}
.compare-row:last-child{border-bottom:none;}
.compare-row .row-top{display:flex;justify-content:space-between;gap:12px;font-size:14px;}
.compare-row .row-top b{font-variant-numeric:tabular-nums;}
.bar{height:8px;border-radius:999px;background:rgba(8,33,31,.08);margin-top:10px;overflow:hidden;}
.bar span{display:block;height:100%;border-radius:999px;background:var(--brand-300);}
.compare-col.right .bar span{background:var(--grad-brand);}

/* 最新信息 */
.news-hero{display:grid;grid-template-columns:1fr;gap:0;overflow:hidden;margin-bottom:24px;}
.news-hero-media{aspect-ratio:16/10;background:var(--brand-50);overflow:hidden;border-radius:24px 24px 0 0;}
.news-hero-media img{width:100%;height:100%;object-fit:cover;}
.news-hero-body{padding:28px;}
.news-hero-body h3{font-size:22px;line-height:1.45;margin-top:12px;}
.news-hero-body h3 a:hover{color:var(--brand-600);}
.news-hero-body p{margin-top:12px;color:var(--ink-2);font-size:15px;}
.chip{display:inline-flex;align-items:center;background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;}
.meta{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.news-grid{display:grid;grid-template-columns:1fr;gap:24px;}
.news-card{display:flex;flex-direction:column;overflow:hidden;}
.news-card-media{aspect-ratio:16/9;background:var(--brand-50);overflow:hidden;}
.news-card-media img{width:100%;height:100%;object-fit:cover;}
.news-card-body{padding:22px;display:flex;flex-direction:column;gap:10px;height:100%;}
.news-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card h3 a:hover{color:var(--brand-600);}
.news-card p{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .meta{margin-top:auto;padding-top:12px;}
.empty-state{background:var(--surface);border:1px dashed var(--line);border-radius:24px;padding:56px 24px;text-align:center;}
.empty-state .es-icon{width:56px;height:56px;border-radius:16px;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;font-weight:800;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:20px;}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:32px;align-items:start;}
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-card);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:transparent;border:none;text-align:left;padding:20px 22px 20px 22px;font-size:16px;font-weight:600;cursor:pointer;position:relative;min-height:44px;}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--brand-600);opacity:0;border-radius:0 3px 3px 0;transition:opacity var(--ease);}
.faq-item.open .faq-q::before{opacity:1;}
.faq-icon{flex:none;width:26px;height:26px;border-radius:8px;background:var(--brand-50);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:16px;transition:transform var(--ease);}
.faq-item.open .faq-icon{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms cubic-bezier(.22,.61,.36,1);}
.faq-item.open .faq-a{max-height:480px;}
.faq-a p{padding:0 22px 22px 22px;color:var(--ink-2);font-size:15px;line-height:1.8;}

/* 表单 */
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-card);padding:30px 26px;}
.form-grid{display:grid;grid-template-columns:1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:600;}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:15px;font-weight:400;background:var(--surface);transition:border-color var(--ease),box-shadow var(--ease);}
.field input{height:48px;}
.field textarea{resize:vertical;min-height:110px;line-height:1.7;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 4px var(--brand-50);}
.check{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:14px;color:var(--ink-2);font-weight:400;}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-600);}
.form-card .btn-block{margin-top:20px;}
.form-tip{margin-top:14px;font-size:13px;color:var(--ink-2);}
.form-tip.warn{color:#B45309;}
.trust-list{display:grid;gap:14px;margin-top:26px;}
.trust-list li{display:flex;align-items:flex-start;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px 16px;font-size:14px;color:var(--ink-2);box-shadow:var(--shadow-card);}
.trust-list b{color:var(--ink);font-weight:600;display:block;font-size:14px;}

/* CTA 深色条 */
.cta-band{background:var(--grad-dark);color:#fff;border-radius:24px;padding:44px 32px;display:grid;gap:24px;grid-template-columns:1fr;}
.cta-band h2{font-size:26px;color:#fff;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.78);font-size:15px;max-width:620px;}

/* 页脚 */
.site-footer{background:var(--grad-dark);color:#fff;margin-top:0;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:40px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.8;max-width:340px;}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials span{width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.24);display:flex;align-items:center;justify-content:center;font-size:13px;color:rgba(255,255,255,.75);}
.footer-col h4{font-size:14px;font-weight:600;color:var(--brand-300);margin-bottom:16px;}
.footer-col li + li{margin-top:12px;}
.footer-col a,.footer-col p{font-size:14px;color:rgba(255,255,255,.7);transition:color var(--ease),transform var(--ease);display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateY(1px);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.6);}

@media (min-width:640px){
  .container{padding:0 20px;}
  .form-grid{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1024px){
  .hero h1{font-size:40px;line-height:1.25;}
  .hero-inner{grid-template-columns:7fr 5fr;gap:56px;}
  .section{padding:88px 0;}
  .section-head h2{font-size:30px;}
  .nav-links{display:flex;}
  .nav-toggle{display:none;}
  .matrix-grid{grid-template-columns:repeat(12,minmax(0,1fr));}
  .matrix-grid .span-8{grid-column:span 8;}
  .matrix-grid .span-4{grid-column:span 4;}
  .compare-grid{grid-template-columns:1fr 1fr;}
  .news-hero{grid-template-columns:5fr 7fr;}
  .news-hero-media{aspect-ratio:auto;height:100%;border-radius:24px 0 0 24px;}
  .news-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .faq-wrap{grid-template-columns:5fr 7fr;}
  .cta-band{grid-template-columns:1fr auto;align-items:center;padding:48px 44px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:22px;}
  .topbar-note{display:none;}
  .topbar-right a:first-of-type{display:none;}
  .topbar-right .sep{display:none;}
  .hero{padding:56px 0 64px;min-height:0;}
  .hero h1{font-size:28px;}
  .fb-1{top:-10px;left:0;}
  .fb-2{bottom:-12px;right:0;}
  .metric-value{font-size:36px;}
  .compare-col{padding:22px 18px;}
  .news-hero-body{padding:22px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519px){
  .hero-actions .btn{width:100%;}
  .float-badge{font-size:12px;padding:8px 12px;}
}

/* roulang page: article */
:root{
  --brand-900:#08211F;
  --brand-700:#0F5A52;
  --brand-600:#0F766E;
  --brand-500:#14B8A6;
  --brand-300:#5EEAD4;
  --brand-50:#E6F5F2;
  --accent-500:#F59E0B;
  --accent-100:#FDF0DA;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#EFEBE4;
  --line:#E2DCD2;
  --ink:#14231F;
  --ink-2:#5B6B67;
  --grad:linear-gradient(135deg,#0F766E 0%,#14B8A6 55%,#5EEAD4 100%);
  --grad-dark:linear-gradient(160deg,#08211F 0%,#0F5A52 100%);
  --shadow-card:0 10px 30px rgba(8,33,31,.08);
  --shadow-hover:0 18px 44px rgba(8,33,31,.14);
  --r-xs:10px;
  --r-md:16px;
  --r-lg:24px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-900);color:#fff;font-size:13px;}
.topbar-inner{display:flex;align-items:center;gap:14px;height:36px;}
.topbar-domain{font-weight:600;letter-spacing:.03em;opacity:.95;}
.topbar-note{color:rgba(255,255,255,.7);}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.topbar-actions a{color:rgba(255,255,255,.82);transition:color .2s var(--ease);}
.topbar-actions a:hover{color:#fff;}
.topbar-actions .sep{color:rgba(255,255,255,.3);}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(8,33,31,.08);}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:38px;height:38px;flex:0 0 auto;}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-600);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:14px;
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(15,118,110,.22);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,118,110,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--surface);color:var(--brand-600);border-color:var(--brand-600);}
.btn-ghost:hover{background:var(--brand-50);}
.btn:focus-visible{outline:3px solid var(--accent-500);outline-offset:2px;}
.btn[disabled]{opacity:.4;pointer-events:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 抽屉 ---------- */
.nav-mask{
  position:fixed;inset:0;background:rgba(8,33,31,.5);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:80;
}
.nav-mask.open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;z-index:90;
  background:var(--surface);padding:24px 22px;overflow-y:auto;
  transform:translateX(102%);transition:transform .28s var(--ease);
  box-shadow:-14px 0 40px rgba(8,33,31,.18);
}
.nav-drawer.open{transform:translateX(0);}
.drawer-title{font-size:13px;color:var(--ink-2);letter-spacing:.08em;margin-bottom:14px;}
.drawer-links a{
  display:block;padding:12px 0;font-size:15px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-links a:hover{color:var(--brand-600);}
.drawer-cta{margin-top:22px;}
.drawer-contact{margin-top:22px;font-size:13px;color:var(--ink-2);line-height:1.9;}

/* ---------- 页面横幅 ---------- */
.page-banner{
  background:var(--grad-dark);
  color:#fff;
  padding:34px 0 30px;
  position:relative;
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;right:-80px;top:-60px;width:340px;height:340px;
  border-radius:50%;background:radial-gradient(circle,rgba(94,234,212,.14),transparent 68%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;
}
.breadcrumb::-webkit-scrollbar{display:none;}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .current{color:var(--brand-300);}
.breadcrumb .sep{opacity:.5;}
.banner-kicker{
  margin-top:14px;font-size:13px;letter-spacing:.14em;color:rgba(255,255,255,.66);
}
.banner-line{margin-top:8px;font-size:15px;color:rgba(255,255,255,.85);max-width:620px;}

/* ---------- 文章布局 ---------- */
.main-wrap{padding:56px 0 88px;}
.layout-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start;}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--line);}
.head-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.1em;
  color:var(--brand-600);background:var(--brand-50);border-radius:999px;padding:6px 14px;
}
.article-head h1{
  margin-top:18px;font-size:40px;line-height:1.28;font-weight:700;letter-spacing:.01em;color:var(--ink);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:18px;font-size:14px;color:var(--ink-2);}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);font-size:13px;font-weight:600;
}
.pill-dot{width:7px;height:7px;border-radius:50%;background:var(--accent-500);display:inline-block;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}
.cover-figure{
  margin:28px 0 0;border-radius:20px;overflow:hidden;background:var(--brand-50);
  border:1px solid var(--line);
}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cover-figure figcaption{font-size:13px;color:var(--ink-2);padding:10px 16px;background:var(--surface);}

/* ---------- 正文排版 ---------- */
.article-body{
  margin-top:32px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 40px;box-shadow:var(--shadow-card);
  font-size:16px;line-height:1.9;color:var(--ink);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;margin:38px 0 16px;padding-left:14px;
  font-size:26px;line-height:1.45;font-weight:700;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:1.05em;border-radius:3px;background:var(--grad);
}
.article-body h3{margin:26px 0 12px;font-size:20px;line-height:1.5;font-weight:600;color:var(--ink);}
.article-body h4{margin:20px 0 10px;font-size:17px;font-weight:600;color:var(--ink);}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:8px 0;line-height:1.9;}
.article-body blockquote{
  margin:22px 0;padding:18px 22px;background:var(--brand-50);
  border-left:3px solid var(--brand-600);border-radius:0 14px 14px 0;color:var(--ink-2);
}
.article-body blockquote p{margin:0;color:inherit;}
.article-body img{border-radius:14px;margin:22px 0;}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-700);}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th{background:var(--brand-50);color:var(--ink);font-weight:600;text-align:left;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;}
.article-body tbody tr:nth-child(even){background:var(--surface-2);}
.article-body code{
  background:var(--surface-2);border-radius:6px;padding:2px 6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0;}

.article-empty{
  margin-top:32px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:52px 32px;text-align:center;box-shadow:var(--shadow-card);
}
.article-empty h2{font-size:24px;font-weight:700;margin-bottom:12px;}
.article-empty p{color:var(--ink-2);margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:22px;position:sticky;top:92px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-card);
}
.side-card h3{font-size:16px;font-weight:600;margin-bottom:14px;}
.side-list li + li{border-top:1px solid var(--line);}
.side-list a{display:block;padding:12px 0;font-size:14px;color:var(--ink-2);transition:color .2s var(--ease),padding-left .2s var(--ease);}
.side-list a:hover{color:var(--brand-600);padding-left:4px;}
.side-note{font-size:13px;color:var(--ink-2);line-height:1.9;}
.side-cta{
  background:var(--grad-dark);color:#fff;border-radius:var(--r-md);padding:24px 22px;
  border:1px solid rgba(255,255,255,.14);
}
.side-cta h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:10px;}
.side-cta p{font-size:13px;color:rgba(255,255,255,.78);line-height:1.85;margin-bottom:16px;}
.side-cta .btn{width:100%;background:#fff;color:var(--brand-700);box-shadow:none;}
.side-cta .btn:hover{transform:translateY(-2px);background:var(--brand-50);}

/* ---------- 标签行 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:26px;}
.tag-row .label{font-size:13px;color:var(--ink-2);}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--ink-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.tag:hover{border-color:var(--brand-600);color:var(--brand-600);background:var(--brand-50);}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:30px;line-height:1.35;font-weight:700;}
.section-head .sub{margin-top:8px;font-size:14px;color:var(--ink-2);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);}
.text-link span{transition:transform .2s var(--ease);}
.text-link:hover span{transform:translateX(3px);}

/* ---------- 上一篇 / 下一篇 ---------- */
.postnav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.postnav-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.postnav-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.postnav-card .dir{font-size:12px;letter-spacing:.1em;color:var(--ink-2);}
.postnav-card h3{font-size:18px;font-weight:600;line-height:1.5;}
.postnav-card p{font-size:14px;color:var(--ink-2);}

/* ---------- 推荐卡 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.rec-thumb{background:var(--brand-50);}
.rec-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;font-weight:600;line-height:1.5;}
.rec-body p{font-size:14px;color:var(--ink-2);}
.rec-meta{font-size:13px;color:var(--ink-2);margin-top:auto;}

/* ---------- CTA 条 ---------- */
.cta-strip{
  background:var(--grad-dark);color:#fff;border-radius:var(--r-lg);
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.14);
}
.cta-strip::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(94,234,212,.18),transparent 70%);
}
.cta-strip h2{font-size:26px;font-weight:700;line-height:1.4;}
.cta-strip p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.8);max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);}
.cta-actions .btn-primary{background:#fff;color:var(--brand-700);box-shadow:0 10px 26px rgba(0,0,0,.18);}
.cta-actions .btn-primary:hover{background:var(--brand-50);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-dark);color:#fff;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:320px;}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials span{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:13px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.85);
}
.footer-col h4{font-size:14px;font-weight:600;color:var(--brand-300);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col p{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-col a{display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateY(1px);}
.footer-bottom{
  margin-top:48px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:12.5px;color:rgba(255,255,255,.62);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .layout-grid{grid-template-columns:minmax(0,1fr);}
  .side-col{position:static;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .article-body{padding:30px 26px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .topbar-note{display:none;}
  .topbar-actions .sep{display:none;}
  .topbar-actions a:nth-child(3){display:none;}
  .nav-inner{height:62px;gap:14px;}
  .logo-text{font-size:15px;}
  .btn-sm{display:none;}
  .page-banner{padding:26px 0 24px;}
  .main-wrap{padding:36px 0 56px;}
  .article-head h1{font-size:28px;line-height:1.34;}
  .article-body{padding:24px 20px;font-size:15.5px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .section{padding:44px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:22px;}
  .postnav{grid-template-columns:minmax(0,1fr);}
  .rec-grid{grid-template-columns:minmax(0,1fr);}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-strip h2{font-size:21px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .article-head h1{font-size:26px;}
  .side-card{padding:18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
}

/* roulang page: category1 */
:root{
  --brand-900:#08211F;
  --brand-700:#0F5A52;
  --brand-600:#0F766E;
  --brand-500:#14B8A6;
  --brand-300:#5EEAD4;
  --brand-50:#E6F5F2;
  --accent-500:#F59E0B;
  --accent-100:#FDF0DA;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#EFEBE4;
  --line:#E2DCD2;
  --ink:#14231F;
  --ink-2:#5B6B67;
  --grad-brand:linear-gradient(135deg,#0F766E 0%,#14B8A6 55%,#5EEAD4 100%);
  --grad-dark:linear-gradient(160deg,#08211F 0%,#0F5A52 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-card:0 10px 30px rgba(8,33,31,.08);
  --sh-hover:0 18px 44px rgba(8,33,31,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
ul{list-style:none;margin:0;padding:0;}
p{margin:0;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* 顶部信息条 */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.82);font-size:12.5px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar-domain{font-weight:600;color:#fff;letter-spacing:.02em;}
.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.28);display:inline-block;}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:12px;white-space:nowrap;}
.topbar-right a{color:rgba(255,255,255,.82);transition:color .2s var(--ease);}
.topbar-right a:hover{color:#fff;}
.topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.28);display:inline-block;}
@media (max-width:767px){
  .topbar-note,.topbar-sep,.topbar-divider{display:none;}
  .topbar-right a:first-child{display:none;}
}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(8,33,31,.08);}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:36px;height:36px;flex-shrink:0;}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:stretch;gap:24px;height:68px;margin-left:auto;}
.nav-link{
  position:relative;display:flex;align-items:center;
  font-size:14.5px;color:var(--ink-2);
  transition:color .2s var(--ease);
}
.nav-link:hover{color:var(--brand-600);}
.nav-link.active{color:var(--brand-600);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--grad-brand);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.24s var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.24s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}

/* 抽屉 */
.nav-mask{
  position:fixed;inset:0;background:rgba(8,33,31,.5);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:60;
}
.nav-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:308px;max-width:86vw;
  background:#fff;z-index:61;padding:24px 22px;
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-title{font-size:13px;color:var(--ink-2);letter-spacing:.08em;margin-bottom:6px;}
.drawer-link{
  display:block;padding:13px 12px;border-radius:var(--r-sm);font-size:15px;color:var(--ink);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link:hover{background:var(--brand-50);color:var(--brand-600);}
.drawer-link.active{background:var(--brand-50);color:var(--brand-600);font-weight:600;}
.drawer-cta{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);}
.drawer-contact{font-size:13px;color:var(--ink-2);line-height:1.8;margin-bottom:12px;}

@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-right .btn{display:none;}
  .logo-text{font-size:15.5px;}
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn:focus-visible{outline:3px solid var(--accent-500);outline-offset:2px;}
.btn-primary{background-image:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(15,118,110,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,118,110,.3);filter:brightness(.94);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:#fff;color:var(--brand-600);border-color:var(--brand-600);}
.btn-secondary:hover{background:var(--brand-50);transform:translateY(-2px);}
.btn-secondary:active{transform:translateY(0);}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);
}
.link-arrow span{transition:transform .24s var(--ease);}
.link-arrow:hover span{transform:translateX(2px);}
@media (max-width:1023px){
  .btn-sm{height:44px;}
}

/* 分类页 Hero */
.hero-cat{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(8,33,31,.88) 0%,rgba(15,118,110,.86) 55%,rgba(20,184,166,.78) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero-cat::after{
  content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(94,234,212,.14) 0%,rgba(94,234,212,0) 68%);
  pointer-events:none;
}
.hero-cat-inner{position:relative;z-index:2;padding:44px 0 42px;max-width:820px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);white-space:nowrap;overflow-x:auto;margin-bottom:16px;}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .current{color:var(--brand-300);}
.hero-cat h1{
  font-size:34px;line-height:1.3;font-weight:700;letter-spacing:.01em;margin:0 0 14px;
}
.hero-cat-desc{font-size:15.5px;color:rgba(255,255,255,.86);max-width:640px;}
.hero-badge-row{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;
  background:#fff;color:var(--ink);border-radius:var(--r-pill);font-size:13px;
  box-shadow:0 8px 20px rgba(8,33,31,.16);
}
.badge-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--accent-500);flex-shrink:0;}
.badge-pill .dot.steady{background:var(--brand-300);}
.badge-pill b{font-variant-numeric:tabular-nums;font-weight:800;}
.badge-pill.soft{background:var(--brand-50);color:var(--brand-700);box-shadow:none;border:1px solid rgba(15,118,110,.16);}
@media (max-width:767px){
  .hero-cat-inner{padding:32px 0 30px;}
  .hero-cat h1{font-size:26px;}
  .hero-cat-desc{font-size:14.5px;}
}

/* 板块 */
.section{padding:88px 0;}
.section-tight{padding:64px 0 88px;}
.section-head{margin-bottom:32px;max-width:760px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);
  background:var(--brand-50);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;
}
.section-title{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:.01em;margin:0 0 12px;}
.section-sub{font-size:15.5px;color:var(--ink-2);}
@media (max-width:767px){
  .section{padding:56px 0;}
  .section-tight{padding:44px 0 56px;}
  .section-title{font-size:22px;}
}

/* 左导航 + 横列表 */
.cat-layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:32px;align-items:start;}
.side-nav{
  position:sticky;top:92px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh-card);
}
.side-title{font-size:13px;letter-spacing:.08em;color:var(--ink-2);margin:0 0 12px;font-weight:600;}
.side-list{display:flex;flex-direction:column;gap:4px;}
.side-link{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 12px;border-radius:var(--r-sm);font-size:14.5px;color:var(--ink);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-link small{font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.side-link:hover{background:var(--brand-50);color:var(--brand-600);}
.side-link.active{
  background:var(--brand-50);color:var(--brand-600);font-weight:600;
  box-shadow:inset 3px 0 0 var(--brand-600);
}
.side-note{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-2);line-height:1.7;
}

.post-list{display:flex;flex-direction:column;gap:20px;}
.post-row{
  display:grid;grid-template-columns:236px minmax(0,1fr);gap:22px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-row:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--brand-300);}
.post-thumb{
  border-radius:var(--r-md);overflow:hidden;background:var(--brand-50);aspect-ratio:16/10;
}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-body{display:flex;flex-direction:column;min-width:0;}
.post-title{
  font-size:19px;line-height:1.45;font-weight:600;margin:0 0 10px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-row:hover .post-title{color:var(--brand-700);}
.post-excerpt{
  font-size:14.5px;color:var(--ink-2);line-height:1.75;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.tag{
  display:inline-block;font-size:12px;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--brand-50);color:var(--brand-700);
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:12px;border-top:1px solid var(--line);
}
.post-meta{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
@media (max-width:1023px){
  .cat-layout{grid-template-columns:1fr;gap:24px;}
  .side-nav{position:static;padding:12px;overflow-x:auto;}
  .side-title,.side-note{display:none;}
  .side-list{flex-direction:row;gap:10px;}
  .side-link{
    white-space:nowrap;border:1px solid var(--line);border-radius:var(--r-pill);
    padding:9px 16px;font-size:14px;
  }
  .side-link small{display:none;}
  .side-link.active{box-shadow:none;border-color:var(--brand-600);}
}
@media (max-width:767px){
  .post-row{grid-template-columns:1fr;gap:16px;padding:16px;}
  .post-title{font-size:17px;}
}

/* 数据徽章小结带 */
.stat-band{
  background:var(--surface-2);border-radius:var(--r-lg);padding:28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px 28px;
  border:1px solid var(--line);
}
.stat-band-text{max-width:420px;}
.stat-band-text h3{font-size:18px;font-weight:600;margin:0 0 6px;}
.stat-band-text p{font-size:14px;color:var(--ink-2);}
.stat-badges{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:767px){
  .stat-band{padding:20px;}
}

/* 四步流程 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;position:relative;box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.step-num{
  font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-500);
  display:block;margin-bottom:10px;
}
.step h3{font-size:17px;font-weight:600;margin:0 0 8px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75;}
@media (max-width:1023px){
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr;}
}

/* FAQ */
.faq-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 56px 20px 22px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-600);}
.faq-icon{
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--brand-600);font-size:15px;transition:transform .24s var(--ease);
}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  background:var(--brand-600);border-radius:0 3px 3px 0;
}
.faq-item[open] .faq-icon{transform:translateY(-50%) rotate(90deg);}
.faq-answer{padding:0 56px 22px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background-image:var(--grad-dark);color:#fff;padding:48px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(94,234,212,.16) 0%,rgba(94,234,212,0) 70%);
  pointer-events:none;
}
.cta-content{position:relative;z-index:2;max-width:620px;}
.cta-content h2{font-size:28px;line-height:1.35;font-weight:700;margin:0 0 12px;}
.cta-content p{font-size:15px;color:rgba(255,255,255,.8);}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}
@media (max-width:1023px){
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .cta-content h2{font-size:23px;}
}

/* 页脚 */
.site-footer{
  background-image:var(--grad-dark);color:#fff;padding:64px 0 0;margin-top:24px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.75;max-width:330px;}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials span{
  width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.3);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:rgba(255,255,255,.8);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.socials span:hover{background:rgba(255,255,255,.14);color:#fff;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--brand-300);margin:0 0 14px;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col p{
  font-size:14px;color:rgba(255,255,255,.7);transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a{display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateY(1px);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.3);
  padding:20px 0 26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  font-size:12.5px;color:rgba(255,255,255,.66);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand-900:#08211F;
  --brand-700:#0F5A52;
  --brand-600:#0F766E;
  --brand-500:#14B8A6;
  --brand-300:#5EEAD4;
  --brand-50:#E6F5F2;
  --accent-500:#F59E0B;
  --accent-100:#FDF0DA;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#EFEBE4;
  --line:#E2DCD2;
  --ink:#14231F;
  --ink-2:#5B6B67;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow-card:0 10px 30px rgba(8,33,31,.08);
  --shadow-hover:0 18px 44px rgba(8,33,31,.14);
  --grad:linear-gradient(135deg,#0F766E 0%,#14B8A6 55%,#5EEAD4 100%);
  --grad-dark:linear-gradient(160deg,#08211F 0%,#0F5A52 100%);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0}
:focus-visible{outline:3px solid var(--accent-500);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(8,33,31,.08)}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:38px;height:38px;border-radius:12px;display:block}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--brand-900);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--ink-2);
  border-radius:var(--radius-sm);
  transition:color .24s var(--ease),background-color .24s var(--ease);
}
.nav-link:hover{color:var(--brand-700);background:var(--brand-50)}
.nav-link.active{color:var(--brand-600);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--grad);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-right .btn-primary{display:none}
}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,33,31,.5);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:304px;max-width:86vw;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .3s var(--ease);
  padding:24px 20px 32px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-title{font-size:14px;font-weight:600;color:var(--ink-2)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);font-size:18px;line-height:1;color:var(--ink-2)}
.drawer-link{padding:12px 12px;border-radius:12px;font-size:15px;color:var(--ink);transition:background-color .2s var(--ease),color .2s var(--ease)}
.drawer-link:hover{background:var(--brand-50);color:var(--brand-700)}
.drawer-link.active{background:var(--brand-50);color:var(--brand-600);font-weight:600}
.drawer-cta{margin-top:14px}
.drawer-contact{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-2);line-height:1.9}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 24px;border-radius:14px;font-size:15px;font-weight:600;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(15,118,110,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(15,118,110,.3);background-image:linear-gradient(135deg,#0D6A63 0%,#12A294 55%,#4FD9C2 100%)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:#fff;color:var(--brand-600);border:1px solid var(--brand-600)}
.btn-secondary:hover{background:var(--brand-50);transform:translateY(-2px)}
.btn-secondary:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--brand-700);border:1px solid rgba(255,255,255,.6)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(8,33,31,.18)}
.btn-ghost-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-ghost-light:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.btn-sm{height:44px;padding:0 18px;font-size:14px;border-radius:12px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-size:14px;font-weight:600}
.btn-text .arrow{transition:transform .2s var(--ease)}
.btn-text:hover .arrow{transform:translateX(3px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--grad-dark);color:#fff;padding:34px 0 40px}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(135deg,rgba(8,33,31,.94) 0%,rgba(15,90,82,.86) 55%,rgba(20,184,166,.76) 100%);
}
.cat-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:340px;height:340px;z-index:1;
  border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.12) 0%,rgba(255,255,255,0) 68%);
}
.cat-hero-inner{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);
  margin-bottom:14px;white-space:nowrap;overflow-x:auto;
}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb .sep{color:rgba(255,255,255,.45)}
.breadcrumb .current{color:var(--brand-300)}
.cat-hero h1{
  font-size:40px;line-height:1.2;font-weight:700;letter-spacing:.01em;
  color:#fff;margin:0 0 12px;max-width:900px;
}
.cat-hero-sub{margin:0 0 16px;font-size:15.5px;color:rgba(255,255,255,.82);max-width:640px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  font-size:13px;color:#fff;
}
.hero-badge strong{font-weight:800;font-variant-numeric:tabular-nums}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0}
.dot-amber{background:var(--accent-500)}
.dot-teal{background:var(--brand-300)}
@media (max-width:767px){
  .cat-hero{padding:26px 0 30px}
  .cat-hero h1{font-size:28px;line-height:1.28}
  .cat-hero-sub{font-size:14.5px}
}

/* ---------- filter chips ---------- */
.filter-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.filter-inner{display:flex;align-items:center;gap:16px;padding-top:14px;padding-bottom:14px;overflow-x:auto}
.filter-label{font-size:13px;font-weight:600;color:var(--ink-2);flex-shrink:0}
.chips{display:flex;gap:10px;flex-shrink:0}
.chip{
  height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  color:var(--ink-2);font-size:14px;white-space:nowrap;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-50)}
.chip.is-active{background:var(--brand-50);border-color:var(--brand-500);color:var(--brand-700);font-weight:600}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section--tight{padding:64px 0 88px}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:.01em;margin:0 0 10px;color:var(--ink)}
.section-head p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.85}
.section-label{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-600);
  background:var(--brand-50);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section--tight{padding:44px 0 56px}
  .section-head h2{font-size:22px;line-height:1.35}
}

/* ---------- cards ---------- */
.fx-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);padding:24px;display:flex;flex-direction:column;gap:14px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.fx-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.fx-card--lead{padding:0;overflow:hidden}
.fx-card--lead:hover{transform:translateY(-3px)}
.lead-media{position:relative;aspect-ratio:16/10;background:var(--brand-50);overflow:hidden}
.lead-media img{width:100%;height:100%;object-fit:cover}
.lead-body{padding:26px;display:flex;flex-direction:column;gap:14px}
.icon-box{
  width:48px;height:48px;border-radius:12px;background:var(--brand-50);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.card-num{
  font-size:13px;font-weight:800;color:var(--brand-500);letter-spacing:.1em;
  font-variant-numeric:tabular-nums;
}
.fx-card h3{font-size:20px;line-height:1.4;font-weight:600;margin:0;color:var(--ink)}
.card-desc{
  margin:0;font-size:14px;line-height:1.8;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.metric-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;
  background:var(--brand-50);border:1px solid #CFE9E4;font-size:13px;color:var(--brand-700);
  white-space:nowrap;
}
.metric-badge strong{font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-900)}
.list-dot{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.list-dot li{position:relative;padding-left:18px;font-size:14px;line-height:1.75;color:var(--ink-2)}
.list-dot li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brand-500);
}
.card-foot{margin-top:auto;padding-top:6px}

.fx-card--dark{
  background:var(--grad-dark);border-color:rgba(255,255,255,.14);color:#fff;
}
.fx-card--dark h3{color:#fff}
.fx-card--dark .card-desc{color:rgba(255,255,255,.74)}
.fx-card--dark .list-dot li{color:rgba(255,255,255,.84)}
.fx-card--dark .list-dot li::before{background:var(--brand-300)}
.fx-card--dark .metric-badge{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.22);color:#fff}
.fx-card--dark .metric-badge strong{color:#fff}
.fx-card--dark .card-num{color:var(--brand-300)}
.fx-card--dark .icon-box{background:rgba(255,255,255,.12);color:#fff}

/* ---------- summary strip ---------- */
.summary-strip{background:var(--surface-2);padding:64px 0}
.summary-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.summary-item{padding:0 32px;border-left:1px solid var(--line)}
.summary-item:first-child{border-left:0;padding-left:0}
.summary-item:last-child{padding-right:0}
.summary-item .idx{
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--brand-500);
  font-variant-numeric:tabular-nums;margin-bottom:10px;
}
.summary-item h3{font-size:18px;font-weight:600;margin:0 0 8px;color:var(--ink)}
.summary-item p{margin:0;font-size:14px;line-height:1.85;color:var(--ink-2)}
@media (max-width:1023px){
  .summary-grid{grid-template-columns:1fr}
  .summary-item{padding:0;border-left:0;border-top:1px solid var(--line);padding-top:22px;margin-top:22px}
  .summary-item:first-child{border-top:0;padding-top:0;margin-top:0}
}

/* ---------- faq ---------- */
.faq-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--brand-700)}
.faq-q .chev{flex-shrink:0;color:var(--brand-600);transition:transform .24s var(--ease)}
.faq-item.open .chev{transform:rotate(90deg)}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand-600);
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:820px}
@media (max-width:767px){
  .faq-q{padding:18px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 20px}
}

/* ---------- cta ---------- */
.cta-section{padding:0 0 88px}
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--grad);color:#fff;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 18px 44px rgba(15,118,110,.24);
}
.cta-box::after{
  content:"";position:absolute;right:-50px;bottom:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.2) 0%,rgba(255,255,255,0) 70%);
}
.cta-text{position:relative;z-index:2;max-width:620px}
.cta-text h2{font-size:30px;line-height:1.3;font-weight:700;margin:0 0 10px;color:#fff}
.cta-text p{margin:0;font-size:15px;line-height:1.85;color:rgba(255,255,255,.88)}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:767px){
  .cta-section{padding:0 0 56px}
  .cta-box{padding:30px 22px}
  .cta-text h2{font-size:22px;line-height:1.35}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(160deg,#08211F 0%,#0F5A52 100%);
  color:#fff;padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;
}
.footer-brand .logo-text{color:#fff}
.footer-brand p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.85;margin:16px 0 18px;max-width:340px}
.socials{display:flex;gap:10px}
.socials span{
  width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;
  font-size:13px;color:rgba(255,255,255,.9);
  transition:background-color .24s var(--ease),transform .24s var(--ease);
}
.socials span:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:600;color:var(--brand-300);margin:0 0 16px}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col p{
  color:rgba(255,255,255,.7);font-size:14px;line-height:1.7;margin:0;display:inline-block;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateY(-1px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.22);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.6);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;font-size:12px}
}