/* roulang page: index */
:root{
  --teal-900:#06302E;
  --teal-700:#0B4F4A;
  --teal-500:#14776F;
  --teal-100:#E4F0ED;
  --coral-600:#D9603A;
  --coral-700:#BE4E2C;
  --coral-100:#FBE9E1;
  --paper:#F8F5EF;
  --card:#FFFFFF;
  --line:#E4DED4;
  --ink-900:#16211F;
  --ink-700:#2C3A37;
  --ink-500:#5B6A66;
  --ink-300:#93A09B;
  --ok:#2E8B62;
  --warn:#C9861F;
  --error:#C0483C;
  --focus:#14776F;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --radius-card:14px;
  --radius-sm:10px;
  --radius-lg:16px;
  --shadow-1:0 1px 2px rgba(22,33,31,.04),0 8px 24px -12px rgba(22,33,31,.10);
  --shadow-2:0 12px 32px -14px rgba(11,79,74,.22);
  --gap:24px;
  --t:160ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--teal-700);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);}
a:hover{color:var(--teal-500);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-0.01em;}
h1{font-size:44px;line-height:1.25;}
h2{font-size:32px;line-height:1.35;}
h3{font-size:22px;line-height:1.5;font-weight:600;}
h4{font-size:18px;line-height:1.6;font-weight:600;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-title{position:relative;padding-left:16px;font-size:32px;line-height:1.35;}
.section-title::before{content:"";position:absolute;left:0;top:.3em;width:3px;height:20px;border-radius:2px;background:var(--teal-500);}
.section-sub{margin:10px 0 0;font-size:15px;color:var(--ink-500);padding-left:16px;max-width:620px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--teal-700);white-space:nowrap;}
.link-more svg{transition:transform var(--t);}
.link-more:hover svg{transform:translateX(4px);}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0;background:rgba(248,245,239,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.nav-panel{max-width:1200px;margin:0 auto;padding:10px 14px;display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--teal-700);}
.brand:hover{color:var(--teal-700);}
.brand-mark{width:34px;height:34px;flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;color:var(--ink-900);}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:.01em;}
.brand-text span{font-size:11px;font-weight:500;color:var(--ink-500);letter-spacing:.08em;}
.nav-cards{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:nowrap;}
.nav-card{display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;color:var(--ink-700);white-space:nowrap;border:1px solid transparent;}
.nav-card svg{color:var(--teal-700);flex-shrink:0;transition:color var(--t);}
.nav-card:hover{background:var(--teal-100);color:var(--teal-700);border-color:var(--teal-100);}
.nav-card:hover svg{color:var(--teal-500);}
.nav-card.active{background:var(--teal-700);color:#fff;border-color:var(--teal-700);}
.nav-card.active svg{color:#fff;}
.nav-cta{margin-left:6px;flex-shrink:0;}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--teal-700);background:var(--card);}
.nav-toggle:hover{background:var(--teal-100);}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;line-height:1.4;border:1px solid transparent;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);}
.btn-primary{background:var(--coral-600);color:#fff;border-color:var(--coral-600);box-shadow:0 6px 18px -10px rgba(217,96,58,.7);}
.btn-primary:hover{background:var(--coral-700);border-color:var(--coral-700);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(190,78,44,.65);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{background:var(--card);color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--teal-500);color:var(--teal-700);background:rgba(228,240,237,.6);}
.btn-light{background:#fff;color:var(--teal-900);border-color:#fff;}
.btn-light:hover{background:var(--coral-100);border-color:var(--coral-100);color:var(--coral-700);transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none;}

/* ---------- Badge ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:13px;font-weight:500;line-height:1.4;letter-spacing:.02em;background:var(--teal-100);color:var(--teal-700);}
.badge--coral{background:var(--coral-100);color:var(--coral-700);}

/* ---------- Drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(6,48,46,.35);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:70;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;width:min(320px,86vw);height:100%;padding:20px;background:var(--paper);border-left:1px solid var(--line);z-index:80;transform:translateX(105%);transition:transform 220ms ease;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-title{font-size:14px;font-weight:600;color:var(--ink-500);letter-spacing:.06em;}
.drawer-close{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--card);color:var(--teal-700);}
.drawer-list{display:flex;flex-direction:column;gap:10px;}
.drawer-item{display:flex;align-items:center;gap:10px;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);font-size:15px;font-weight:500;color:var(--ink-900);box-shadow:var(--shadow-1);}
.drawer-item svg{color:var(--teal-700);flex-shrink:0;}
.drawer-item:hover{background:var(--teal-100);border-color:var(--teal-100);color:var(--teal-700);}
.drawer-item.active{background:var(--teal-700);border-color:var(--teal-700);color:#fff;}
.drawer-item.active svg{color:#fff;}
.drawer .btn{margin-top:18px;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 88px;overflow:hidden;background:radial-gradient(1100px 460px at 78% -10%,rgba(20,119,111,.10),transparent 62%);}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:repeating-radial-gradient(circle at 88% 8%,rgba(11,79,74,.06) 0 1px,transparent 1px 22px);opacity:.7;}
.hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{margin:20px 0 18px;font-size:44px;line-height:1.25;}
.hero h1 em{font-style:normal;color:var(--teal-700);}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-700);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.trust-bar{display:flex;align-items:stretch;gap:0;flex-wrap:wrap;}
.trust-item{padding:0 24px;border-left:1px solid var(--line);}
.trust-item:first-child{padding-left:0;border-left:0;}
.trust-num{display:block;font-size:26px;font-weight:700;color:var(--teal-700);letter-spacing:.01em;line-height:1.2;}
.trust-label{display:block;font-size:13px;color:var(--ink-500);line-height:1.6;margin-top:4px;}
.hero-visual{position:relative;}
.hero-figure{margin:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);aspect-ratio:4/3;background:var(--teal-100);}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.float-card{position:absolute;right:-24px;bottom:-24px;display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-2);max-width:270px;}
.float-card img{width:64px;height:64px;border-radius:8px;object-fit:cover;flex-shrink:0;}
.float-card p{margin:0;font-size:13px;line-height:1.6;color:var(--ink-700);}
.float-card strong{display:block;color:var(--ink-900);font-size:13px;font-weight:600;}

/* ---------- Pain cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.pain-card{padding:28px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:box-shadow var(--t),transform var(--t),border-color var(--t);}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--teal-100);}
.pain-num{display:block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--teal-500);margin-bottom:14px;}
.pain-card h3{font-size:18px;margin-bottom:10px;}
.pain-card p{font-size:15px;line-height:1.8;color:var(--ink-500);margin:0;}

/* ---------- Steps ---------- */
.solution-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.solution-figure{margin:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);aspect-ratio:4/3;background:var(--teal-100);}
.solution-figure img{width:100%;height:100%;object-fit:cover;}
.steps{position:relative;padding-left:28px;}
.steps::before{content:"";position:absolute;left:3px;top:10px;bottom:10px;width:1px;background:var(--line);}
.step{position:relative;padding-bottom:32px;}
.step:last-child{padding-bottom:0;}
.step::before{content:"";position:absolute;left:-28px;top:9px;width:8px;height:8px;border-radius:50%;background:var(--teal-500);box-shadow:0 0 0 4px rgba(20,119,111,.12);}
.step-num{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--teal-500);}
.step h3{font-size:19px;margin:6px 0 8px;}
.step p{font-size:15px;line-height:1.8;color:var(--ink-500);margin:0;}

/* ---------- Dark panel ---------- */
.dark-panel{position:relative;overflow:hidden;padding:40px;border-radius:var(--radius-lg);background:var(--teal-900);color:#EAF3F1;border:1px solid rgba(255,255,255,.10);}
.dark-panel::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:repeating-radial-gradient(circle at 100% 0%,rgba(255,255,255,.06) 0 1px,transparent 1px 26px);}
.dark-panel > *{position:relative;z-index:1;}
.dark-panel h2{color:#fff;font-size:30px;}
.dark-panel .panel-sub{color:#A9C4BF;font-size:15px;margin:12px 0 32px;max-width:640px;}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);}
.metric{padding-left:24px;border-left:1px solid rgba(255,255,255,.12);}
.metric:first-child{padding-left:0;border-left:0;}
.metric strong{display:block;font-size:36px;font-weight:700;color:#fff;line-height:1.15;letter-spacing:.01em;}
.metric span{display:block;font-size:14px;color:#A9C4BF;margin-top:8px;line-height:1.6;}

/* ---------- Testimonials ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.quote-card{display:flex;flex-direction:column;padding:28px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:box-shadow var(--t),transform var(--t);}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.quote-mark{font-size:32px;line-height:1;color:var(--coral-600);font-weight:700;margin-bottom:12px;}
.quote-card blockquote{margin:0 0 22px;font-size:16px;line-height:1.9;color:var(--ink-700);}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--teal-100);color:var(--teal-700);display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;flex-shrink:0;}
.quote-person b{display:block;font-size:14px;font-weight:600;color:var(--ink-900);line-height:1.5;}
.quote-person span{display:block;font-size:13px;color:var(--ink-500);line-height:1.5;}

/* ---------- Posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow var(--t),transform var(--t),border-color var(--t);height:100%;}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--teal-100);}
.post-link{display:flex;flex-direction:column;height:100%;color:inherit;}
.post-link:hover{color:inherit;}
.post-thumb{aspect-ratio:16/9;background:var(--teal-100);overflow:hidden;border-radius:12px 12px 0 0;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1;}
.post-title{font-size:18px;line-height:1.55;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-excerpt{font-size:15px;line-height:1.75;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.post-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-300);}
.post-meta svg{color:var(--teal-500);}
.empty-state{padding:48px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius-card);background:rgba(255,255,255,.6);}
.empty-state p{font-size:14px;color:var(--ink-500);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-1);overflow:hidden;transition:border-color var(--t),box-shadow var(--t);}
.faq-item.open{border-color:var(--teal-100);box-shadow:var(--shadow-2);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;}
.faq-q:hover{color:var(--teal-700);}
.faq-icon{width:24px;height:24px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;border-radius:7px;background:var(--teal-100);color:var(--teal-700);transition:transform 220ms ease,background-color var(--t),color var(--t);}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--coral-100);color:var(--coral-600);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease;}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--ink-700);}

/* ---------- CTA ---------- */
.cta-panel{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:44px;border-radius:18px;background:var(--coral-600);color:#fff;}
.cta-panel::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:repeating-radial-gradient(circle at 92% 110%,rgba(255,255,255,.14) 0 1px,transparent 1px 24px);}
.cta-panel > *{position:relative;z-index:1;}
.cta-panel h2{color:#fff;font-size:30px;line-height:1.35;}
.cta-panel p{color:rgba(255,255,255,.9);font-size:15px;margin:12px 0 0;max-width:560px;}

/* ---------- Footer ---------- */
.site-footer{position:relative;background:var(--teal-900);color:#A9C4BF;padding:64px 0 0;margin-top:96px;overflow:hidden;}
.site-footer::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:repeating-radial-gradient(circle at 12% 0%,rgba(255,255,255,.05) 0 1px,transparent 1px 24px);}
.footer-inner{position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{color:#fff;}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text span{color:#A9C4BF;}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9C4BF;margin:18px 0;}
.footer-mail{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#EAF3F1;}
.footer-mail:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-col h4{font-size:15px;font-weight:600;color:#EAF3F1;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#A9C4BF;line-height:1.7;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-col p{font-size:14px;color:#A9C4BF;margin:0 0 10px;line-height:1.8;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.10);font-size:13px;color:#8FB0AB;}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links a{font-size:13px;color:#8FB0AB;}
.footer-links a:hover{color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .hero h1{font-size:38px;}
  .solution-grid{gap:40px;}
}
@media (max-width:1023px){
  .nav-cards{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-visual{max-width:560px;}
  .float-card{right:0;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .solution-grid{grid-template-columns:1fr;}
  .solution-figure{max-width:560px;}
  .metrics{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .metric:nth-child(3){padding-left:0;border-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
  .dark-panel{padding:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .section-title{font-size:24px;}
  .hero{padding:48px 0 64px;}
  .hero h1{font-size:30px;}
  .hero-lead{font-size:16px;margin-bottom:22px;}
  .hero-actions{flex-direction:column;align-items:stretch;margin-bottom:28px;}
  .hero-actions .btn{width:100%;}
  .float-card{display:none;}
  .trust-item{padding:0 16px;}
  .trust-num{font-size:22px;}
  .grid-4,.grid-3,.post-grid{grid-template-columns:1fr;}
  .pain-card,.quote-card{padding:22px;}
  .dark-panel{padding:24px;border-radius:var(--radius-card);}
  .dark-panel h2{font-size:24px;}
  .metrics{grid-template-columns:1fr;gap:22px;}
  .metric{padding-left:0;border-left:0;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.12);}
  .metric:last-child{padding-bottom:0;border-bottom:0;}
  .metric strong{font-size:30px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:28px;gap:22px;}
  .cta-panel h2{font-size:24px;}
  .cta-panel .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .nav-panel{padding:8px 10px;gap:10px;}
  .brand-text b{font-size:15px;}
  .nav-toggle{width:38px;height:38px;}
  .nav-cta{padding:9px 14px;font-size:13px;}
}
@media (max-width:480px){
  .hero h1{font-size:27px;}
  .nav-cta{display:none;}
  .nav-toggle{margin-left:auto;}
  .trust-bar{flex-direction:column;gap:16px;}
  .trust-item{padding:0;border-left:0;}
}

/* roulang page: article */
:root{
  --teal-900:#06302E;
  --teal-700:#0B4F4A;
  --teal-500:#14776F;
  --teal-100:#E4F0ED;
  --coral-600:#D9603A;
  --coral-700:#BE4E2C;
  --coral-100:#FBE9E1;
  --paper:#F8F5EF;
  --card:#FFFFFF;
  --line:#E4DED4;
  --ink-900:#16211F;
  --ink-700:#2C3A37;
  --ink-500:#5B6A66;
  --ink-300:#93A09B;
  --ok:#2E8B62;
  --warn:#C9861F;
  --error:#C0483C;
  --focus:#14776F;
  --r-card:14px;
  --r-sm:10px;
  --shadow-1:0 1px 2px rgba(22,33,31,.04),0 8px 24px -12px rgba(22,33,31,.10);
  --shadow-2:0 12px 32px -14px rgba(11,79,74,.22);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--teal-700);text-decoration:none}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-family:var(--font-sans)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(248,245,239,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{padding-top:12px;padding-bottom:12px}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px 14px;
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--teal-700)}
.brand-mark{width:30px;height:30px;color:var(--teal-700);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:15px;font-weight:700;color:var(--ink-900);letter-spacing:.01em}
.brand-text span{font-size:12px;color:var(--ink-500);letter-spacing:.02em}
.nav-cards{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.nav-card{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 11px;border-radius:var(--r-sm);
  font-size:14px;color:var(--ink-700);white-space:nowrap;
  transition:color 160ms ease,background-color 160ms ease;
}
.nav-card svg{color:var(--teal-700);transition:color 160ms ease}
.nav-card:hover{background:var(--teal-100);color:var(--teal-700)}
.nav-card:hover svg{color:var(--teal-500)}
.nav-card.active{background:var(--teal-700);color:#fff}
.nav-card.active svg{color:#fff}
.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;
  transition:color 160ms ease,background-color 160ms ease,border-color 160ms ease,box-shadow 160ms ease,transform 160ms ease;
}
.btn-primary{background:var(--coral-600);color:#fff;box-shadow:0 1px 2px rgba(22,33,31,.06)}
.btn-primary:hover{background:var(--coral-700);transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(190,78,44,.6)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-secondary{background:var(--card);color:var(--ink-900);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--teal-500);color:var(--teal-700);background:rgba(228,240,237,.6);transform:translateY(-1px)}
.btn-secondary:active{transform:translateY(0)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--r-sm);
  background:var(--card);border:1px solid var(--line);color:var(--teal-700);cursor:pointer;
  transition:background-color 160ms ease,border-color 160ms ease;
}
.nav-toggle:hover{background:var(--teal-100);border-color:var(--teal-500)}
.drawer-mask{position:fixed;inset:0;background:rgba(6,48,46,.35);z-index:70}
.mobile-drawer{
  position:fixed;left:12px;right:12px;top:86px;z-index:80;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:12px;box-shadow:var(--shadow-2);
  display:grid;gap:8px;max-height:calc(100vh - 120px);overflow:auto;
}
.mobile-drawer .nav-card{
  width:100%;padding:12px 14px;border:1px solid var(--line);
  border-radius:12px;font-size:15px;background:var(--card);
}
.mobile-drawer .drawer-cta{margin-top:4px}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:22px 0 0}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-500);line-height:1.7;
}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--teal-700);text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{color:var(--ink-300)}
.breadcrumb .current{color:var(--ink-700);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章主体 ---------- */
.article-section{padding:26px 0 var(--space-section)}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 320px;gap:40px;align-items:start}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow-1);
}
.badge{
  display:inline-flex;align-items:center;
  background:var(--teal-100);color:var(--teal-700);
  font-size:13px;font-weight:500;letter-spacing:.02em;line-height:1.4;
  padding:5px 12px;border-radius:999px;
}
.article-head h1{
  font-size:34px;line-height:1.35;font-weight:700;letter-spacing:-.01em;
  margin:16px 0 14px;max-width:22ch;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--ink-500);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-300)}
.article-meta time{color:var(--ink-500)}
.article-rule{height:1px;background:var(--line);margin:24px 0 28px;border:0}

.article-body{font-size:17px;line-height:1.9;color:var(--ink-700)}
.article-body p{margin:0 0 22px}
.article-body h2{
  font-size:26px;line-height:1.4;font-weight:700;margin:40px 0 16px;
  padding-left:12px;border-left:3px solid var(--teal-500);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:28px 0 12px}
.article-body h4{font-size:17px;line-height:1.6;font-weight:600;margin:22px 0 10px}
.article-body a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.article-body a:hover{color:var(--teal-500);text-decoration-thickness:2px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:2px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:6px;height:6px;border-radius:50%;background:var(--teal-500);
}
.article-body ol{list-style:decimal;padding-left:22px}
.article-body ol li{margin-bottom:10px;padding-left:4px}
.article-body blockquote{
  margin:0 0 22px;padding:20px 22px;
  background:var(--teal-100);border-left:3px solid var(--teal-500);
  border-radius:0 12px 12px 0;color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:6px auto 10px}
.article-body figure{margin:0 0 22px}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-500);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px}
.article-body th{background:var(--teal-100);font-weight:600;text-align:left}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 14px}
.article-body pre,.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;
}
.article-body pre{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:16px;overflow:auto}
.article-body code{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:1px 6px}
.article-body pre code{border:0;padding:0;background:none}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}

.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;background:var(--paper);
}
.empty-state p{font-size:16px;color:var(--ink-500);margin-bottom:18px}

/* ---------- 文末延伸 ---------- */
.article-foot{margin-top:32px;display:grid;gap:16px}
.foot-nav{display:grid;gap:16px}
.foot-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;
  transition:transform 160ms ease,box-shadow 160ms ease,border-color 160ms ease;
}
.foot-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(20,119,111,.35)}
.foot-card small{display:block;font-size:13px;color:var(--ink-300);letter-spacing:.02em;margin-bottom:6px}
.foot-card strong{display:block;font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.6}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:36px 0 18px}
.section-head h2{
  font-size:24px;line-height:1.4;font-weight:700;
  padding-left:12px;border-left:3px solid var(--teal-500);
}
.section-head a{font-size:14px;color:var(--teal-700);display:inline-flex;align-items:center;gap:6px}
.section-head a:hover{color:var(--teal-500);text-decoration:underline;text-underline-offset:4px}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.related-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);transition:transform 160ms ease,box-shadow 160ms ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.related-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--teal-100)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover}
.related-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px}
.related-card .body .badge{align-self:flex-start}
.related-card h3{font-size:16px;line-height:1.6;font-weight:600;color:var(--ink-900)}
.related-card p{font-size:14px;line-height:1.7;color:var(--ink-500);margin:0}
.back-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:24px;
  font-size:15px;color:var(--teal-700);
}
.back-link:hover{color:var(--teal-500);text-decoration:underline;text-underline-offset:4px}

/* ---------- 侧栏 ---------- */
.sidebar{display:grid;gap:20px;position:sticky;top:104px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;color:var(--ink-900)}
.side-list{display:grid;gap:6px}
.side-list a{
  display:flex;align-items:center;gap:8px;
  padding:9px 10px;border-radius:var(--r-sm);
  font-size:14px;color:var(--ink-700);
  transition:background-color 160ms ease,color 160ms ease;
}
.side-list a svg{color:var(--teal-700);flex:0 0 auto;transition:color 160ms ease}
.side-list a:hover{background:var(--teal-100);color:var(--teal-700)}
.side-list a:hover svg{color:var(--teal-500)}
.check-list{display:grid;gap:12px}
.check-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--ink-700)}
.check-list li svg{flex:0 0 auto;color:var(--ok);margin-top:3px}
.side-cta{background:var(--teal-100);border-color:rgba(20,119,111,.22)}
.side-cta h3{color:var(--teal-900)}
.side-cta p{font-size:14px;line-height:1.7;color:var(--ink-700);margin-bottom:14px}

/* ---------- FAQ ---------- */
.faq-block{padding:0 0 var(--space-section)}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color 160ms ease,box-shadow 160ms ease;
}
.faq-item:hover{border-color:rgba(20,119,111,.35)}
.faq-item.open{box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:18px 20px;
  font-size:16px;font-weight:600;color:var(--ink-900);text-align:left;cursor:pointer;
}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:7px;
  background:var(--teal-100);color:var(--teal-700);
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform 160ms ease,background-color 160ms ease,color 160ms ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--coral-100);color:var(--coral-600)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--ink-700)}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  background:var(--teal-900);color:#EAF3F1;border-radius:18px;
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;margin-bottom:var(--space-section);
  border:1px solid rgba(255,255,255,.10);
}
.cta-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:repeating-radial-gradient(circle at 100% 0,rgba(255,255,255,.9) 0 1px,transparent 1px 16px);
}
.cta-panel h2{color:#fff;font-size:28px;line-height:1.4;margin-bottom:8px}
.cta-panel p{color:#A9C4BF;font-size:15px;margin:0}
.cta-panel .btn{background:#fff;color:var(--teal-900);position:relative;z-index:1}
.cta-panel .btn:hover{background:var(--teal-100);color:var(--teal-900);transform:translateY(-1px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--teal-900);color:#EAF3F1;position:relative;overflow:hidden;padding:56px 0 0}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:repeating-radial-gradient(circle at 0 100%,rgba(255,255,255,.9) 0 1px,transparent 1px 18px);
}
.footer-inner{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px}
.footer-brand .brand{color:#EAF3F1;margin-bottom:14px}
.footer-brand .brand-mark{color:#A9C4BF}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text span{color:#A9C4BF}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9C4BF;margin-bottom:12px}
.footer-mail{font-size:14px;color:#EAF3F1;text-decoration:underline;text-underline-offset:4px}
.footer-mail:hover{color:#fff}
.footer-col h4{font-size:15px;font-weight:600;color:#EAF3F1;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#A9C4BF}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-col p{font-size:14px;line-height:1.8;color:#A9C4BF;margin-bottom:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#A9C4BF;
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{color:#A9C4BF;font-size:13px}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
  .nav-card{padding:8px 9px;font-size:13.5px}
}
@media (max-width:1023px){
  :root{--space-section:72px}
  .nav-cards{display:none}
  .nav-toggle{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .side-cta{grid-column:1 / -1}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-head h1{font-size:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:32px}
}
@media (max-width:767px){
  :root{--space-section:56px}
  body{font-size:16px;line-height:1.85}
  .container{padding:0 18px}
  .article-card{padding:22px}
  .article-head h1{font-size:26px;max-width:none}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:19px}
  .breadcrumb .current{white-space:normal;max-width:100%}
  .sidebar{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .brand-text span{display:none}
  .cta-panel h2{font-size:23px}
  .nav-shell{gap:10px;padding:9px 11px}
  .header-actions .btn-sm{padding:8px 12px;font-size:13px}
  .section-head h2{font-size:21px}
}
@media (max-width:480px){
  .article-head h1{font-size:23px}
  .article-meta{font-size:13px}
  .btn{padding:12px 18px;font-size:15px}
  .header-actions .btn-sm{display:none}
  .mobile-drawer{top:78px}
}

/* roulang page: category1 */
:root{
  --teal-900:#06302E;--teal-700:#0B4F4A;--teal-500:#14776F;--teal-100:#E4F0ED;
  --coral-600:#D9603A;--coral-700:#BE4E2C;--coral-100:#FBE9E1;
  --paper:#F8F5EF;--card:#FFFFFF;--line:#E4DED4;
  --ink-900:#16211F;--ink-700:#2C3A37;--ink-500:#5B6A66;--ink-300:#93A09B;
  --ok:#2E8B62;--warn:#C9861F;--error:#C0483C;--focus:#14776F;
  --r-lg:14px;--r-md:12px;--r-sm:10px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,31,.04),0 8px 24px -12px rgba(22,33,31,.10);
  --sh-2:0 12px 32px -14px rgba(11,79,74,.22);
  --sec:96px;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-sans);font-size:17px;line-height:1.85;color:var(--ink-700);background:var(--paper);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-700);text-decoration:none;transition:color 160ms ease,background 160ms ease,border-color 160ms ease}
a:hover{color:var(--teal-500)}
button{font-family:inherit;font-size:inherit;color:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(248,245,239,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-shell{display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:10px 14px;margin:10px 0;box-shadow:var(--sh-1)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--teal-700)}
.brand-mark{width:34px;height:34px;color:var(--teal-700);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.22}
.brand-text b{font-size:15px;font-weight:700;color:var(--ink-900);letter-spacing:.01em}
.brand-text span{font-size:11px;color:var(--ink-500);letter-spacing:.08em}
.nav-cards{display:flex;align-items:center;justify-content:center;gap:6px;flex:1 1 auto;flex-wrap:wrap}
.nav-card{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:var(--r-sm);font-size:14px;color:var(--ink-700);white-space:nowrap;transition:background 160ms ease,color 160ms ease}
.nav-card svg{color:var(--teal-700);flex:0 0 auto;transition:color 160ms ease}
.nav-card:hover{background:var(--teal-100);color:var(--teal-700)}
.nav-card:hover svg{color:var(--teal-500)}
.nav-card.is-active{background:var(--teal-700);color:#fff}
.nav-card.is-active svg{color:#fff}
.nav-card.is-active:hover{background:var(--teal-900);color:#fff}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--card);color:var(--teal-700);cursor:pointer;transition:background 160ms ease,border-color 160ms ease}
.nav-toggle:hover{background:var(--teal-100);border-color:var(--teal-500)}
.nav-overlay{position:fixed;inset:0;background:rgba(6,48,46,.35);z-index:70}

/* ---------- buttons / badges ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1.4;padding:13px 26px;border-radius:var(--r-sm);border:1px solid transparent;cursor:pointer;transition:color 160ms ease,background 160ms ease,border-color 160ms ease,box-shadow 160ms ease,transform 160ms ease}
.btn-primary{background:var(--coral-600);color:#fff}
.btn-primary:hover{background:var(--coral-700);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(190,78,44,.75)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:var(--card);border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--teal-500);color:var(--teal-700);background:rgba(228,240,237,.6)}
.btn-light{background:#fff;color:var(--teal-900)}
.btn-light:hover{background:var(--teal-100);color:var(--teal-900);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;letter-spacing:.02em;line-height:1.4;padding:6px 14px;border-radius:var(--r-pill);background:var(--teal-100);color:var(--teal-700)}
.badge-coral{background:var(--coral-100);color:var(--coral-700)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--teal-700);border-bottom:1px solid transparent;padding-bottom:2px}
.link-arrow:hover{color:var(--teal-500);border-bottom-color:var(--teal-500)}

/* ---------- breadcrumb ---------- */
.crumb{padding:18px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-500)}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--ink-300)}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--teal-700)}
.crumb li[aria-current]{color:var(--ink-700)}

/* ---------- hero ---------- */
.page-hero{position:relative;padding:56px 0 64px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:repeating-radial-gradient(circle at 86% 16%,rgba(20,119,111,.07) 0 1px,transparent 1px 22px);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center}
.hero-copy h1{font-size:44px;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--ink-900);margin:16px 0 18px}
.hero-sub{font-size:17px;line-height:1.85;color:var(--ink-500);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:0;margin-top:34px;border-top:1px solid var(--line);padding-top:22px}
.hero-meta li{padding-right:26px;margin-right:26px;border-right:1px solid var(--line)}
.hero-meta li:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-meta b{display:block;font-size:28px;font-weight:700;line-height:1.2;color:var(--teal-700);letter-spacing:.01em}
.hero-meta span{display:block;font-size:13px;color:var(--ink-500);line-height:1.6;margin-top:4px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:16px;border:1px solid var(--line);box-shadow:var(--sh-1)}
.hero-float{position:absolute;right:-18px;bottom:-22px;display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--sh-2);max-width:280px}
.hero-float span{font-size:13px;line-height:1.6;color:var(--ink-500)}
.hero-float b{display:block;font-size:14px;color:var(--ink-900)}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.section-alt{background:linear-gradient(180deg,rgba(228,240,237,.5),rgba(228,240,237,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head h2{position:relative;padding-left:16px;font-size:32px;line-height:1.35;font-weight:700;color:var(--ink-900);letter-spacing:-.005em}
.section-head h2::before{content:"";position:absolute;left:0;top:.34em;width:3px;height:22px;border-radius:2px;background:var(--teal-500)}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-500);line-height:1.85}
.section-foot{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}

/* ---------- step row ---------- */
.step-row{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.step-card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 20px;aspect-ratio:1/1;box-shadow:var(--sh-1);transition:transform 160ms ease,box-shadow 160ms ease,border-color 160ms ease}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(20,119,111,.35)}
.step-no{font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--teal-500)}
.step-card h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink-900);margin:12px 0 8px}
.step-card p{font-size:14px;line-height:1.75;color:var(--ink-500)}
.step-cta{background:var(--teal-900);border-color:transparent;justify-content:space-between;color:#EAF3F1}
.step-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px -18px rgba(6,48,46,.7)}
.step-cta h3{color:#fff;margin-top:10px}
.step-cta p{color:#A9C4BF}
.step-cta .btn{margin-top:16px;width:100%}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.split-copy h2{position:relative;padding-left:16px;font-size:32px;line-height:1.35;font-weight:700;color:var(--ink-900)}
.split-copy h2::before{content:"";position:absolute;left:0;top:.34em;width:3px;height:22px;border-radius:2px;background:var(--teal-500)}
.split-copy>p{margin-top:16px;font-size:16px;line-height:1.9;color:var(--ink-500)}
.check-list{display:grid;gap:14px;margin:28px 0 26px}
.check-list li{position:relative;padding-left:32px;font-size:16px;line-height:1.8;color:var(--ink-700)}
.check-list li::before{content:"";position:absolute;left:0;top:.42em;width:18px;height:18px;border-radius:50%;background:var(--teal-100);border:1px solid var(--teal-500)}
.check-list li::after{content:"";position:absolute;left:5px;top:.72em;width:8px;height:4px;border-left:1.6px solid var(--teal-700);border-bottom:1.6px solid var(--teal-700);transform:rotate(-45deg)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;border:1px solid var(--line);box-shadow:var(--sh-1)}
.split-media figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:12px}

/* ---------- scene cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);transition:transform 160ms ease,box-shadow 160ms ease,border-color 160ms ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(20,119,111,.3)}
.card-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--teal-100);color:var(--teal-700);margin-bottom:18px}
.card h3{font-size:19px;font-weight:600;line-height:1.5;color:var(--ink-900);margin-bottom:10px}
.card p{font-size:15px;line-height:1.8;color:var(--ink-500)}
.card-note{display:inline-block;margin-top:16px;font-size:13px;color:var(--teal-700);background:var(--teal-100);border-radius:var(--r-pill);padding:4px 12px}

/* ---------- dark panel ---------- */
.panel-dark{position:relative;overflow:hidden;background:var(--teal-900);border-radius:16px;padding:40px;border:1px solid rgba(255,255,255,.10);color:#EAF3F1}
.panel-dark::before{content:"";position:absolute;inset:0;background-image:repeating-radial-gradient(circle at 82% 22%,rgba(255,255,255,.09) 0 1px,transparent 1px 20px);opacity:.7;pointer-events:none}
.panel-dark h2{position:relative;font-size:26px;line-height:1.4;font-weight:700;color:#fff}
.panel-dark .panel-sub{position:relative;font-size:15px;color:#A9C4BF;margin-top:10px;max-width:640px}
.metric-row{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:32px;border-top:1px solid rgba(255,255,255,.12)}
.metric-row div{padding:24px 20px 0 0;border-right:1px solid rgba(255,255,255,.12)}
.metric-row div:last-child{border-right:0}
.metric-row b{display:block;font-size:34px;font-weight:700;color:#fff;line-height:1.2;letter-spacing:.01em}
.metric-row span{display:block;font-size:14px;color:#A9C4BF;margin-top:6px;line-height:1.6}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color 160ms ease,box-shadow 160ms ease}
.faq-item.is-open{border-color:rgba(20,119,111,.35);box-shadow:var(--sh-1)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 20px;background:none;border:0;font-size:16px;font-weight:600;color:var(--ink-900);text-align:left;cursor:pointer;line-height:1.6}
.faq-q:hover{color:var(--teal-700)}
.faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;background:var(--teal-100);color:var(--teal-700);transition:transform 160ms ease,background 160ms ease,color 160ms ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--coral-100);color:var(--coral-600)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--ink-500)}

/* ---------- related ---------- */
.rel-card{display:flex;flex-direction:column;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);transition:transform 160ms ease,box-shadow 160ms ease,border-color 160ms ease}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(20,119,111,.3)}
.rel-card .rel-top{display:flex;align-items:center;gap:10px;color:var(--teal-700)}
.rel-card h3{font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5}
.rel-card p{font-size:14px;color:var(--ink-500);line-height:1.75}
.rel-card .link-arrow{font-size:14px;margin-top:auto}

/* ---------- cta ---------- */
.cta-panel{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;background:var(--teal-900);border-radius:18px;padding:44px;color:#EAF3F1}
.cta-panel::before{content:"";position:absolute;inset:0;background-image:repeating-radial-gradient(circle at 12% 78%,rgba(255,255,255,.09) 0 1px,transparent 1px 22px);opacity:.65;pointer-events:none}
.cta-panel h2{position:relative;font-size:28px;line-height:1.4;font-weight:700;color:#fff}
.cta-panel p{position:relative;font-size:15px;line-height:1.8;color:#A9C4BF;margin-top:10px;max-width:560px}
.cta-panel .btn{position:relative;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{position:relative;overflow:hidden;background:var(--teal-900);color:#EAF3F1;margin-top:0;padding:64px 0 0}
.site-footer::before{content:"";position:absolute;inset:0;background-image:repeating-radial-gradient(circle at 20% 10%,rgba(255,255,255,.08) 0 1px,transparent 1px 24px);opacity:.55;pointer-events:none}
.footer-inner{position:relative}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text span{color:#A9C4BF}
.footer-brand .brand-mark{color:#7FC5BC}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9C4BF;max-width:320px}
.footer-mail{display:inline-block;margin-top:16px;font-size:14px;color:#EAF3F1;border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:2px}
.footer-mail:hover{color:#fff;border-bottom-color:#fff}
.footer-col h4{font-size:15px;font-weight:600;color:#EAF3F1;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col li a{font-size:14px;color:#A9C4BF}
.footer-col li a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-col p{font-size:14px;color:#A9C4BF;line-height:1.85;margin-bottom:10px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.10);padding:20px 0 28px;font-size:13px;color:#A9C4BF}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{color:#A9C4BF;font-size:13px}
.footer-links a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--sec:72px}
  .nav-toggle{display:inline-flex}
  .nav-cards{position:fixed;top:0;right:0;left:auto;width:min(330px,86vw);height:100vh;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:8px;padding:84px 16px 28px;background:var(--card);border-left:1px solid var(--line);transform:translateX(102%);transition:transform .22s ease;z-index:80;overflow-y:auto;box-shadow:-18px 0 40px -22px rgba(22,33,31,.45)}
  .nav-cards.is-open{transform:translateX(0)}
  .nav-card{border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px;font-size:15px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy h1{font-size:34px}
  .hero-float{display:none}
  .step-row{grid-template-columns:repeat(2,1fr)}
  .step-card{aspect-ratio:auto;min-height:170px}
  .split{grid-template-columns:1fr;gap:36px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .metric-row{grid-template-columns:repeat(2,1fr)}
  .metric-row div:nth-child(2){border-right:0}
  .metric-row div{padding:20px 16px 0 0}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:36px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 18px}
  body{font-size:16px}
  .hero-copy h1{font-size:30px}
  .hero-sub{font-size:16px}
  .page-hero{padding:44px 0 48px}
  .hero-actions .btn{width:100%}
  .hero-meta li{padding-right:18px;margin-right:18px}
  .hero-meta b{font-size:24px}
  .section-head h2,.split-copy h2{font-size:24px}
  .step-row{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .card{padding:22px}
  .panel-dark{padding:28px 22px}
  .metric-row{grid-template-columns:1fr}
  .metric-row div{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);padding:18px 0}
  .metric-row div:last-child{border-bottom:0}
  .cta-panel{padding:28px 22px;border-radius:16px}
  .cta-panel h2{font-size:23px}
  .cta-panel .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-text b{font-size:14px}
}
@media (max-width:480px){
  .hero-copy h1{font-size:27px}
  .nav-shell{gap:10px;padding:8px 10px}
  .brand-text span{display:none}
  .faq-q{font-size:15px;padding:16px}
  .faq-a-inner{padding:0 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --teal-900:#06302E;
  --teal-700:#0B4F4A;
  --teal-500:#14776F;
  --teal-100:#E4F0ED;
  --coral-600:#D9603A;
  --coral-700:#BE4E2C;
  --coral-100:#FBE9E1;
  --paper:#F8F5EF;
  --card:#FFFFFF;
  --line:#E4DED4;
  --ink-900:#16211F;
  --ink-700:#2C3A37;
  --ink-500:#5B6A66;
  --ink-300:#93A09B;
  --ok:#2E8B62;
  --warn:#C9861F;
  --error:#C0483C;
  --focus:#14776F;
  --radius-lg:16px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(22,33,31,.04), 0 8px 24px -12px rgba(22,33,31,.10);
  --shadow-hover:0 12px 32px -14px rgba(11,79,74,.22);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--teal-700);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;transition:color .16s ease, text-decoration-thickness .16s ease;}
a:hover{color:var(--teal-500);text-decoration-thickness:2px;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px;}

/* ---------- 布局 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{
  font-size:32px;line-height:1.35;font-weight:700;color:var(--ink-900);letter-spacing:-.01em;
  position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;width:3px;height:22px;border-radius:2px;background:var(--teal-500);
}
.section-head p{font-size:15px;color:var(--ink-500);line-height:1.75;max-width:520px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(248,245,239,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:10px 14px;
  margin:12px 0;
  box-shadow:var(--shadow-sm);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;color:var(--teal-700);}
.brand:hover{text-decoration:none;color:var(--teal-500);}
.brand-mark{width:32px;height:32px;flex:0 0 auto;}
.brand-text b{display:block;font-size:15px;font-weight:700;color:var(--ink-900);line-height:1.35;letter-spacing:.01em;}
.brand-text span{display:block;font-size:12px;color:var(--ink-500);line-height:1.4;letter-spacing:.02em;}
.nav-cards{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap;}
.nav-card{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:var(--radius-sm);
  font-size:14px;line-height:1.4;color:var(--ink-700);
  text-decoration:none;white-space:nowrap;
  transition:background .16s ease,color .16s ease,transform .16s ease;
}
.nav-card svg{color:var(--teal-700);flex:0 0 auto;transition:color .16s ease;}
.nav-card:hover{background:var(--teal-100);color:var(--teal-700);text-decoration:none;}
.nav-card:hover svg{color:var(--teal-500);}
.nav-card.active{background:var(--teal-700);color:#fff;}
.nav-card.active svg{color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--teal-700);transition:transform .16s ease,opacity .16s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-overlay{
  position:fixed;inset:0;background:rgba(6,48,46,.35);z-index:55;
  opacity:0;pointer-events:none;transition:opacity .16s ease;
}
.nav-overlay.is-open{opacity:1;pointer-events:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.4;
  padding:13px 26px;border-radius:var(--radius-sm);
  text-decoration:none;border:1px solid transparent;
  transition:background .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease,transform .16s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--coral-600);color:#fff;box-shadow:0 6px 16px -10px rgba(190,78,44,.7);}
.btn-primary:hover{background:var(--coral-700);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(190,78,44,.8);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--teal-500);color:var(--teal-700);background:rgba(228,240,237,.6);}
.btn-light{background:#fff;color:var(--teal-700);}
.btn-light:hover{background:#F2F8F6;color:var(--teal-900);transform:translateY(-1px);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:var(--radius-sm);}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--teal-700);text-decoration:none;}
.link-arrow svg{transition:transform .16s ease;}
.link-arrow:hover{color:var(--teal-500);text-decoration:underline;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 56px;
  background-image:repeating-radial-gradient(circle at 88% 12%, rgba(11,79,74,.055) 0 1px, transparent 1px 22px);
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--teal-100);color:var(--teal-700);
  font-size:13px;font-weight:500;letter-spacing:.02em;line-height:1.4;
  padding:7px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral-600);}
.page-hero h1{
  font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--ink-900);
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--teal-700);}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-500);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;line-height:1.4;letter-spacing:.02em;
  padding:6px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-500);
}
.tag svg{color:var(--teal-500);}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  aspect-ratio:3/2;background:var(--teal-100);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;left:-24px;bottom:24px;
  display:flex;align-items:center;gap:12px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:12px 16px;box-shadow:0 12px 32px -14px rgba(11,79,74,.22);
  max-width:280px;
}
.hero-float .dot{
  width:34px;height:34px;border-radius:50%;background:var(--teal-100);
  display:flex;align-items:center;justify-content:center;color:var(--teal-700);flex:0 0 auto;
}
.hero-float strong{display:block;font-size:14px;font-weight:600;color:var(--ink-900);line-height:1.4;}
.hero-float span{display:block;font-size:12px;color:var(--ink-500);line-height:1.5;}

/* ---------- 数据条 ---------- */
.stat-panel{
  background:var(--teal-900);color:#EAF3F1;
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-lg);
  padding:34px 32px;
  background-image:repeating-radial-gradient(circle at 100% 0%, rgba(255,255,255,.06) 0 1px, transparent 1px 20px);
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{padding-right:20px;border-right:1px solid rgba(255,255,255,.12);}
.stat-item:last-child{border-right:none;padding-right:0;}
.stat-item .num{font-size:36px;font-weight:700;line-height:1.2;letter-spacing:.01em;color:#fff;}
.stat-item .num small{font-size:16px;font-weight:600;margin-left:2px;color:#A9C4BF;}
.stat-item .desc{font-size:14px;line-height:1.7;color:#A9C4BF;margin-top:6px;}

/* ---------- 流程图解 ---------- */
.flow-list{display:flex;flex-direction:column;gap:56px;}
.flow-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.flow-row .flow-media{
  border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);aspect-ratio:16/10;background:var(--teal-100);
}
.flow-row .flow-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.flow-row:hover .flow-media img{transform:scale(1.02);}
.flow-row.is-reverse .flow-media{order:2;}
.flow-step{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--teal-500);
  margin-bottom:12px;
}
.flow-step .idx{
  width:30px;height:30px;border-radius:50%;background:var(--teal-100);color:var(--teal-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;letter-spacing:0;
}
.flow-row h3{font-size:22px;line-height:1.5;font-weight:600;color:var(--ink-900);margin-bottom:12px;}
.flow-row p{font-size:16px;line-height:1.85;color:var(--ink-500);margin-bottom:16px;}
.check-list{display:flex;flex-direction:column;gap:10px;}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;line-height:1.7;color:var(--ink-700);}
.check-list svg{flex:0 0 auto;margin-top:4px;color:var(--teal-500);}

/* ---------- 核对清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.check-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-sm);
  display:flex;gap:16px;align-items:flex-start;
  transition:box-shadow .16s ease,transform .16s ease,border-color .16s ease;
}
.check-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#D5E4E0;}
.check-card .ico{
  width:44px;height:44px;border-radius:12px;background:var(--teal-100);color:var(--teal-700);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.check-card h4{font-size:18px;font-weight:600;line-height:1.6;color:var(--ink-900);margin-bottom:6px;}
.check-card p{font-size:15px;line-height:1.75;color:var(--ink-500);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:box-shadow .16s ease,border-color .16s ease;}
.faq-item.is-open{border-color:#CFE2DD;box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--ink-900);
}
.faq-q:hover{color:var(--teal-700);}
.faq-icon{
  width:24px;height:24px;border-radius:6px;background:var(--teal-100);color:var(--teal-700);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--coral-100);color:var(--coral-600);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-500);}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.related-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;text-decoration:none;color:inherit;
  transition:box-shadow .16s ease,transform .16s ease,border-color .16s ease;
}
.related-card:hover{text-decoration:none;box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#CFE2DD;color:inherit;}
.related-card .ico{width:40px;height:40px;border-radius:10px;background:var(--teal-100);color:var(--teal-700);display:flex;align-items:center;justify-content:center;}
.related-card h4{font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5;}
.related-card p{font-size:14px;line-height:1.7;color:var(--ink-500);}
.related-card .more{font-size:14px;font-weight:600;color:var(--teal-700);display:inline-flex;align-items:center;gap:6px;margin-top:2px;}
.back-home{margin-top:28px;}

/* ---------- CTA ---------- */
.cta-panel{
  background:var(--coral-600);
  border-radius:18px;
  padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
  background-image:repeating-radial-gradient(circle at 8% 120%, rgba(255,255,255,.10) 0 1px, transparent 1px 20px);
}
.cta-panel h2{font-size:32px;line-height:1.35;font-weight:700;color:#fff;margin-bottom:10px;}
.cta-panel p{font-size:16px;line-height:1.8;color:rgba(255,255,255,.88);max-width:560px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--teal-900);color:#EAF3F1;margin-top:80px;
  background-image:repeating-radial-gradient(circle at 92% 0%, rgba(255,255,255,.055) 0 1px, transparent 1px 22px);
}
.footer-inner{padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;color:#EAF3F1;}
.footer-brand .brand-mark{color:#8FC7BE;}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text span{color:#8FC7BE;}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9C4BF;margin-bottom:14px;max-width:320px;}
.footer-mail{font-size:14px;color:#EAF3F1;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:2px;}
.footer-mail:hover{color:#fff;border-bottom-color:#fff;text-decoration:none;}
.footer-col h4{font-size:15px;font-weight:600;color:#EAF3F1;margin-bottom:14px;line-height:1.5;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{font-size:14px;color:#A9C4BF;text-decoration:none;line-height:1.6;transition:color .16s ease;}
.footer-col li a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-col p{font-size:14px;color:#A9C4BF;line-height:1.8;margin-bottom:8px;}
.footer-bottom{
  margin-top:44px;padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom span{font-size:13px;color:#A9C4BF;line-height:1.6;}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links a{font-size:13px;color:#A9C4BF;text-decoration:none;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-card{padding:8px 10px;font-size:13px;}
  .page-hero h1{font-size:40px;}
}
@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .nav-cards{
    position:fixed;left:18px;right:18px;top:82px;
    flex-direction:column;align-items:stretch;gap:8px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:14px;box-shadow:0 24px 48px -24px rgba(6,48,46,.4);
    z-index:58;display:none;
  }
  .nav-cards.is-open{display:flex;}
  .nav-card{padding:12px 14px;font-size:15px;border:1px solid var(--line);border-radius:var(--radius-sm);}
  .nav-card.active{border-color:var(--teal-700);}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{max-width:640px;}
  .hero-float{display:none;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px 24px;}
  .stat-item:nth-child(2){border-right:none;padding-right:0;}
  .flow-row{grid-template-columns:1fr;gap:24px;}
  .flow-row.is-reverse .flow-media{order:0;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-panel{flex-direction:column;align-items:flex-start;gap:22px;padding:36px 32px;}
  .section{padding:72px 0;}
  .page-hero{padding:56px 0 44px;}
  .page-hero h1{font-size:36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .brand-text span{display:none;}
  .brand-text b{font-size:14px;}
  .nav-panel{gap:12px;padding:10px;}
  .nav-actions .btn-sm{padding:8px 12px;font-size:13px;}
  .section{padding:56px 0;}
  .page-hero{padding:44px 0 36px;}
  .page-hero h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .section-head h2{font-size:24px;}
  .stat-panel{padding:26px 22px;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-item{padding-right:0;border-right:none;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12);}
  .stat-item:nth-child(3),.stat-item:nth-child(4){padding-bottom:0;border-bottom:none;}
  .stat-item .num{font-size:28px;}
  .check-grid{grid-template-columns:1fr;}
  .check-card{padding:20px;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-inner{padding-top:48px;}
  .cta-panel{padding:28px 22px;}
  .cta-panel h2{font-size:24px;}
  .cta-panel .btn{width:100%;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .page-hero h1{font-size:27px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12);}
  .stat-item:last-child{padding-bottom:0;border-bottom:none;}
  .hero-meta{gap:8px;}
  .tag{font-size:12px;}
}

/* roulang page: category3 */
:root{
  --teal-900:#06302E;
  --teal-700:#0B4F4A;
  --teal-500:#14776F;
  --teal-100:#E4F0ED;
  --coral-600:#D9603A;
  --coral-700:#BE4E2C;
  --coral-100:#FBE9E1;
  --paper:#F8F5EF;
  --card:#FFFFFF;
  --line:#E4DED4;
  --ink-900:#16211F;
  --ink-700:#2C3A37;
  --ink-500:#5B6A66;
  --ink-300:#93A09B;
  --ok:#2E8B62;
  --warn:#C9861F;
  --error:#C0483C;
  --focus:#14776F;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --r-card:14px;
  --r-sm:10px;
  --r-badge:999px;
  --shadow-1:0 1px 2px rgba(22,33,31,.04),0 8px 24px -12px rgba(22,33,31,.10);
  --shadow-2:0 12px 32px -14px rgba(11,79,74,.22);
  --ease:160ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--teal-700);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
a:hover{color:var(--teal-500)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700}
h1{font-size:44px;line-height:1.25;letter-spacing:-.01em}
h2{font-size:32px;line-height:1.35}
h3{font-size:22px;line-height:1.5;font-weight:600}
h4{font-size:18px;line-height:1.6;font-weight:600}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(248,245,239,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px 14px;
  margin:12px auto;
  max-width:1200px;
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--teal-700)}
.brand-mark{width:34px;height:34px;flex:0 0 auto;color:var(--teal-700)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:16px;font-weight:700;color:var(--ink-900);letter-spacing:.01em}
.brand-text span{font-size:11.5px;color:var(--ink-500);letter-spacing:.04em;margin-top:3px}
.nav-cards{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;flex-wrap:nowrap}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--ink-700);white-space:nowrap;
  transition:background-color var(--ease),color var(--ease);
}
.nav-card svg{flex:0 0 auto;color:var(--teal-700);transition:color var(--ease)}
.nav-card:hover{background:var(--teal-100);color:var(--teal-700)}
.nav-card:hover svg{color:var(--teal-500)}
.nav-card.active{background:var(--teal-700);color:#fff}
.nav-card.active svg{color:#fff}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--card);color:var(--teal-700);
}
.nav-toggle:hover{background:var(--teal-100)}
.drawer{
  position:fixed;top:78px;left:16px;right:16px;z-index:80;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:12px;box-shadow:var(--shadow-2);
  display:flex;flex-direction:column;gap:8px;
  max-height:calc(100vh - 110px);overflow:auto;
}
.drawer[hidden]{display:none}
.drawer .nav-card{width:100%;justify-content:flex-start;padding:12px 14px;background:var(--paper);border:1px solid var(--line)}
.drawer .nav-card.active{background:var(--teal-700);color:#fff;border-color:var(--teal-700)}
.drawer .drawer-cta{margin-top:4px}
.drawer-mask{position:fixed;inset:0;z-index:70;background:rgba(6,48,46,.35)}
.drawer-mask[hidden]{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1;
  padding:13px 26px;
  transition:color var(--ease),background-color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn-primary{background:var(--coral-600);color:#fff}
.btn-primary:hover{background:var(--coral-700);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(190,78,44,.6)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-secondary{background:var(--card);color:var(--ink-900);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--teal-500);color:var(--teal-700);background:#F1F7F5}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:var(--r-sm)}
.btn-white{background:#fff;color:var(--coral-700)}
.btn-white:hover{background:#FFF6F2;color:var(--coral-700);transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--teal-700)}
.link-arrow:hover{color:var(--teal-500)}
.link-arrow svg{transition:transform var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 通用板块 ---------- */
.section{padding:0 0 56px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head h2{position:relative;padding-left:14px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;width:3px;height:20px;border-radius:2px;background:var(--teal-500);
}
.section-head .head-note{font-size:14px;color:var(--ink-500);max-width:420px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;letter-spacing:.02em;line-height:1.4;
  color:var(--teal-700);background:var(--teal-100);
  padding:6px 14px;border-radius:var(--r-badge);
}
.badge{
  display:inline-block;font-size:13px;font-weight:500;letter-spacing:.02em;
  color:var(--teal-700);background:var(--teal-100);
  padding:4px 12px;border-radius:var(--r-badge);
}
.badge-warm{color:var(--coral-700);background:var(--coral-100)}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0;font-size:14px;color:var(--ink-500)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--ink-300)}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--teal-700)}
.breadcrumb .current{color:var(--ink-700)}

/* ---------- 分类 Hero ---------- */
.hero{padding:40px 0 56px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.hero-copy .eyebrow{margin-bottom:18px}
.hero-copy h1{margin-bottom:18px}
.hero-copy h1 em{font-style:normal;color:var(--teal-700)}
.hero-lead{font-size:17px;color:var(--ink-500);max-width:520px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.hero-float{
  position:absolute;left:-24px;bottom:-22px;
  display:flex;align-items:center;gap:12px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:12px 16px;box-shadow:var(--shadow-1);
}
.hero-float .dot{width:10px;height:10px;border-radius:50%;background:var(--ok);flex:0 0 auto}
.hero-float p{margin:0;font-size:13px;line-height:1.5;color:var(--ink-500)}
.hero-float strong{display:block;font-size:14px;color:var(--ink-900)}

/* ---------- 安全要点 + 侧栏 ---------- */
.safety-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
.safe-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.safe-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.safe-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D3E2DE}
.safe-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  background:var(--teal-100);color:var(--teal-700);margin-bottom:16px;
}
.safe-card h3{font-size:18px;margin-bottom:8px}
.safe-card p{font-size:15px;line-height:1.75;color:var(--ink-500);margin:0}
.side-note{
  background:var(--teal-100);border:1px solid rgba(11,79,74,.12);
  border-radius:var(--r-card);padding:26px 24px;
}
.side-note h3{font-size:18px;margin-bottom:14px;color:var(--teal-900)}
.side-note ul{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}
.side-note li{position:relative;padding-left:18px;font-size:14px;line-height:1.75;color:var(--teal-900)}
.side-note li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--teal-500);
}
.side-note .note-foot{font-size:13px;color:#3C615C;margin-bottom:16px}
.side-note .btn{width:100%}

/* ---------- 深色核对面板 ---------- */
.dark-band{
  position:relative;overflow:hidden;
  background:var(--teal-900);color:#EAF3F1;
  border-radius:16px;padding:40px;
  border:1px solid rgba(255,255,255,.10);
}
.dark-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-radial-gradient(circle at 82% 110%,rgba(255,255,255,.07) 0 1px,transparent 1px 26px);
  opacity:.9;
}
.dark-band > *{position:relative}
.dark-band h2{color:#fff;margin-bottom:12px}
.dark-band .band-lead{color:#A9C4BF;font-size:15px;max-width:640px;margin-bottom:32px}
.dark-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.dark-step{padding:0 24px;border-left:1px solid rgba(255,255,255,.12)}
.dark-step:first-child{padding-left:0;border-left:0}
.dark-step .step-no{font-size:13px;font-weight:700;letter-spacing:.08em;color:#8FC3BC;margin-bottom:10px}
.dark-step h3{color:#fff;font-size:19px;margin-bottom:8px}
.dark-step p{font-size:14px;line-height:1.8;color:#A9C4BF;margin:0}

/* ---------- 异常处理行列表 ---------- */
.issue-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1)}
.issue-row{
  display:grid;grid-template-columns:210px minmax(0,1fr) 140px;
  gap:24px;align-items:start;
  padding:22px 26px;border-top:1px solid var(--line);
  transition:background-color var(--ease);
}
.issue-row:first-child{border-top:0}
.issue-row:hover{background:#FCFAF5}
.issue-row h3{font-size:17px;font-weight:600;color:var(--ink-900);margin:0}
.issue-row p{font-size:15px;color:var(--ink-500);margin:0;line-height:1.8}
.issue-tag{justify-self:start;font-size:13px;font-weight:500;padding:4px 12px;border-radius:var(--r-badge);background:var(--coral-100);color:var(--coral-700)}
.issue-tag.calm{background:var(--teal-100);color:var(--teal-700)}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:#D3E2DE}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;text-align:left;background:none;border:0;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-sign{
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  width:24px;height:24px;border-radius:6px;background:var(--teal-100);color:var(--teal-700);
  transition:transform var(--ease),background-color var(--ease),color var(--ease);
}
.faq-item.open .faq-sign{transform:rotate(45deg);background:var(--coral-100);color:var(--coral-600)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-700)}
.faq-item.open .faq-a{max-height:420px}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.related-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D3E2DE}
.related-card .related-icon{color:var(--teal-700)}
.related-card h3{font-size:18px}
.related-card p{font-size:14px;color:var(--ink-500);margin:0;line-height:1.75}
.related-card .link-arrow{margin-top:6px}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  background:var(--coral-600);border-radius:18px;padding:40px;
  color:#fff;
}
.cta-panel h2{color:#fff;margin-bottom:10px}
.cta-panel p{color:#FFEDE6;font-size:15px;margin:0;max-width:620px}
.cta-panel .btn-white{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:64px;
  background:var(--teal-900);color:#EAF3F1;
  position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-radial-gradient(circle at 12% 0%,rgba(255,255,255,.06) 0 1px,transparent 1px 30px);
}
.footer-inner{position:relative;padding-top:56px;padding-bottom:28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{color:#9FD2CA}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text span{color:#A9C4BF}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9C4BF;max-width:320px;margin-bottom:16px}
.footer-mail{font-size:14px;color:#EAF3F1;border-bottom:1px solid rgba(255,255,255,.25);padding-bottom:2px}
.footer-mail:hover{color:#fff;border-color:#fff}
.footer-col h4{font-size:15px;font-weight:600;color:#EAF3F1;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#A9C4BF}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-col p{font-size:14px;color:#A9C4BF;line-height:1.8;margin-bottom:10px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:#A9C4BF;
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:#A9C4BF}
.footer-links a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-card{padding:8px 9px;font-size:13.5px}
  .brand-text b{font-size:15px}
}
@media (max-width:1023px){
  .nav-cards{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-sm{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero{padding:32px 0 44px}
  .hero-lead{max-width:none}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto;display:inline-flex}
  .safety-layout{grid-template-columns:1fr}
  .safe-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dark-steps{grid-template-columns:1fr;gap:24px}
  .dark-step{padding:0;border-left:0;border-top:1px solid rgba(255,255,255,.12);padding-top:20px}
  .dark-step:first-child{border-top:0;padding-top:0}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  h1{font-size:30px;line-height:1.3}
  h2{font-size:24px}
  h3{font-size:19px}
  .section{padding-bottom:44px}
  .hero{padding:26px 0 38px}
  .hero-actions .btn{width:100%}
  .safe-grid{grid-template-columns:1fr}
  .safe-card{padding:20px}
  .dark-band{padding:26px 22px}
  .issue-row{grid-template-columns:1fr;gap:10px;padding:20px}
  .issue-tag{justify-self:start}
  .related-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:28px 22px}
  .cta-panel .btn-white{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:480px){
  .nav-shell{padding:8px 10px;gap:10px}
  .brand-text b{font-size:14px}
  .brand-text span{display:none}
  .btn{padding:12px 20px;font-size:15px}
  .hero-figure img{aspect-ratio:4/3}
}

/* roulang page: category4 */
:root{
  --teal-900:#06302E;
  --teal-700:#0B4F4A;
  --teal-500:#14776F;
  --teal-100:#E4F0ED;
  --coral-600:#D9603A;
  --coral-700:#BE4E2C;
  --coral-100:#FBE9E1;
  --paper:#F8F5EF;
  --card:#FFFFFF;
  --line:#E4DED4;
  --ink-900:#16211F;
  --ink-700:#2C3A37;
  --ink-500:#5B6A66;
  --ink-300:#93A09B;
  --ok:#2E8B62;
  --warn:#C9861F;
  --error:#C0483C;
  --focus:#14776F;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --r-card:14px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(22,33,31,.04),0 8px 24px -12px rgba(22,33,31,.10);
  --shadow-2:0 12px 32px -14px rgba(11,79,74,.22);
  --t:160ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.nav-lock{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--teal-700);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t);}
a:hover{color:var(--teal-500);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;padding:13px 26px;
  border-radius:var(--r-sm);border:1px solid transparent;text-decoration:none;
  transition:color var(--t),background var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{background:var(--coral-600);color:#fff;box-shadow:0 6px 16px -10px rgba(190,78,44,.9);}
.btn-primary:hover{background:var(--coral-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{background:var(--card);border-color:var(--line);color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--teal-500);color:var(--teal-700);background:rgba(228,240,237,.45);}
.btn-light{background:#fff;color:var(--teal-900);box-shadow:0 8px 22px -14px rgba(0,0,0,.5);}
.btn-light:hover{background:var(--teal-100);color:var(--teal-900);transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(248,245,239,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-shell{
  max-width:1200px;margin:0 auto;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:10px 14px;margin-top:10px;margin-bottom:10px;
  display:flex;align-items:center;gap:16px;
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:32px;height:32px;color:var(--teal-700);flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:16px;font-weight:700;color:var(--ink-900);letter-spacing:-.01em;}
.brand-text span{font-size:11.5px;color:var(--ink-500);letter-spacing:.04em;margin-top:3px;}
.nav-cards{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 12px;border-radius:var(--r-sm);
  font-size:14px;font-weight:500;color:var(--ink-700);
  white-space:nowrap;transition:background var(--t),color var(--t);
}
.nav-card svg{color:var(--teal-700);flex-shrink:0;transition:color var(--t);}
.nav-card:hover{background:var(--teal-100);color:var(--teal-700);}
.nav-card:hover svg{color:var(--teal-500);}
.nav-card.active,.nav-card[aria-current="page"]{background:var(--teal-700);color:#fff;}
.nav-card.active svg,.nav-card[aria-current="page"] svg{color:#fff;}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--r-sm);
  background:var(--teal-100);border:1px solid transparent;color:var(--teal-700);
}
.nav-toggle:hover{background:#d6e9e4;}
.nav-drawer{
  position:fixed;left:12px;right:12px;top:82px;z-index:60;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:12px;box-shadow:var(--shadow-2);
  display:none;flex-direction:column;gap:8px;max-height:calc(100vh - 110px);overflow-y:auto;
}
.nav-drawer.is-open{display:flex;}
.drawer-card{
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:var(--r-sm);
  background:var(--paper);border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--ink-700);
}
.drawer-card svg{color:var(--teal-700);}
.drawer-card.active,.drawer-card[aria-current="page"]{background:var(--teal-700);border-color:var(--teal-700);color:#fff;}
.drawer-card.active svg,.drawer-card[aria-current="page"] svg{color:#fff;}
.nav-overlay{
  position:fixed;inset:0;z-index:55;background:rgba(6,48,46,.35);
  display:none;
}
.nav-overlay.is-open{display:block;}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-500);line-height:1.7;
}
.crumbs a{color:var(--ink-500);}
.crumbs a:hover{color:var(--teal-700);text-decoration:underline;text-underline-offset:4px;}
.crumbs .sep{color:var(--ink-300);}
.crumbs .current{color:var(--ink-700);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 内页首屏 ============ */
.page-hero{padding:64px 0 0;}
.page-hero .container{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--teal-100);color:var(--teal-700);
  font-size:13px;font-weight:500;letter-spacing:.02em;line-height:1.4;
  padding:6px 14px;border-radius:var(--r-pill);
}
.page-hero h1{font-size:40px;line-height:1.28;margin:18px 0 14px;letter-spacing:-.015em;}
.page-hero .lede{font-size:17px;line-height:1.85;color:var(--ink-500);max-width:34em;}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.hero-note{
  position:absolute;left:-24px;bottom:-24px;
  display:flex;align-items:center;gap:12px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:12px 16px;box-shadow:var(--shadow-2);max-width:280px;
}
.hero-note strong{display:block;font-size:14px;color:var(--ink-900);}
.hero-note span{font-size:12.5px;color:var(--ink-500);line-height:1.5;}
.hero-note .dot{width:34px;height:34px;border-radius:50%;background:var(--teal-100);color:var(--teal-700);display:flex;align-items:center;justify-content:center;flex-shrink:0;}

/* ============ 板块通用 ============ */
.section{padding:96px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-title{position:relative;padding-left:14px;}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;width:3px;height:22px;
  background:var(--teal-500);border-radius:2px;
}
.section-title h2{font-size:32px;line-height:1.35;}
.section-title p{margin-top:8px;font-size:15px;color:var(--ink-500);line-height:1.7;max-width:46em;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--teal-700);border-bottom:1px solid transparent;padding-bottom:2px;}
.text-link:hover{color:var(--teal-500);border-bottom-color:var(--teal-500);}

/* ============ 导语卡 ============ */
.lead-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;
}
.lead-card h2{font-size:24px;line-height:1.4;margin-bottom:14px;}
.lead-card p{font-size:16px;color:var(--ink-700);line-height:1.85;}
.lead-card p + p{margin-top:14px;}
.lead-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--paper);border:1px solid var(--line);color:var(--ink-700);
  font-size:13px;font-weight:500;letter-spacing:.02em;
  padding:6px 12px;border-radius:var(--r-pill);
}
.lead-side{
  background:var(--teal-100);border-radius:12px;padding:24px;
  border:1px solid rgba(11,79,74,.10);
}
.lead-side h3{font-size:17px;line-height:1.5;margin-bottom:12px;color:var(--teal-900);}
.lead-side ol{counter-reset:step;display:flex;flex-direction:column;gap:12px;}
.lead-side li{
  counter-increment:step;position:relative;padding-left:30px;
  font-size:14.5px;line-height:1.7;color:var(--ink-700);
}
.lead-side li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:1px;
  font-size:12px;font-weight:700;color:var(--teal-500);letter-spacing:.06em;
}

/* ============ FAQ 手风琴 ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:#d6cfc3;}
.faq-item.is-open{border-color:rgba(11,79,74,.35);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-q:hover{color:var(--teal-700);}
.faq-icon{
  width:24px;height:24px;flex-shrink:0;border-radius:8px;
  background:var(--teal-100);color:var(--teal-700);
  display:flex;align-items:center;justify-content:center;
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--coral-100);color:var(--coral-600);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 280ms ease;
}
.faq-a-inner{padding:0 20px 20px;border-top:1px solid var(--line);padding-top:16px;margin:0 0;}
.faq-a p{font-size:15px;line-height:1.9;color:var(--ink-700);}
.faq-a p + p{margin-top:10px;}

/* ============ 相关分类 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(11,79,74,.28);}
.related-icon{
  width:42px;height:42px;border-radius:12px;background:var(--teal-100);color:var(--teal-700);
  display:flex;align-items:center;justify-content:center;
}
.related-card h3{font-size:18px;line-height:1.5;color:var(--ink-900);}
.related-card p{font-size:14.5px;line-height:1.75;color:var(--ink-500);}
.related-card .go{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--teal-700);margin-top:auto;}

/* ============ CTA 面板 ============ */
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--teal-900);border:1px solid rgba(255,255,255,.10);
  border-radius:18px;padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-radial-gradient(circle at 88% 120%,rgba(255,255,255,.07) 0 1px,transparent 1px 26px);
  opacity:.9;
}
.cta-panel .cta-text{position:relative;}
.cta-panel h2{color:#fff;font-size:30px;line-height:1.35;}
.cta-panel p{color:#A9C4BF;font-size:15.5px;line-height:1.8;margin-top:10px;max-width:36em;}
.cta-panel .cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap;}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.35);color:#EAF3F1;}
.btn-outline-light:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.6);color:#fff;}

/* ============ 返回首页 ============ */
.back-home{padding:32px 0 0;display:flex;}
.back-home a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--teal-700);
  padding:10px 16px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--card);
}
.back-home a:hover{border-color:var(--teal-500);background:rgba(228,240,237,.45);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--teal-900);color:#EAF3F1;
  position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-radial-gradient(circle at 12% -30%,rgba(255,255,255,.06) 0 1px,transparent 1px 30px);
}
.footer-inner{position:relative;padding:64px 24px 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr .9fr .9fr 1.1fr;gap:40px;}
.footer-brand .brand-text b{color:#EAF3F1;}
.footer-brand .brand-text span{color:#A9C4BF;}
.footer-brand .brand-mark{color:#8FC9C0;}
.footer-brand p{color:#A9C4BF;font-size:14.5px;line-height:1.8;margin-top:16px;max-width:26em;}
.footer-mail{display:inline-block;margin-top:16px;font-size:14px;color:#EAF3F1;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:2px;}
.footer-mail:hover{color:#fff;border-bottom-color:#fff;}
.footer-col h4{color:#EAF3F1;font-size:15px;font-weight:600;margin-bottom:14px;letter-spacing:.01em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#A9C4BF;font-size:14px;line-height:1.7;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-col p{color:#A9C4BF;font-size:14px;line-height:1.8;margin-bottom:8px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#A9C4BF;
}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-links a{color:#A9C4BF;font-size:13.5px;}
.footer-links a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-card{padding:8px 10px;font-size:13.5px;}
  .page-hero h1{font-size:36px;}
}
@media (max-width:1023px){
  .nav-cards{display:none;}
  .nav-toggle{display:flex;}
  .nav-shell{gap:12px;}
  .page-hero{padding:48px 0 0;}
  .page-hero .container{grid-template-columns:1fr;gap:28px;}
  .page-hero h1{font-size:32px;}
  .hero-figure{order:-1;}
  .hero-note{display:none;}
  .section{padding:72px 0 0;}
  .lead-card{grid-template-columns:1fr;gap:24px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .cta-panel h2{font-size:26px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .nav-shell{margin-top:8px;margin-bottom:8px;padding:8px 10px;border-radius:14px;}
  .brand-text b{font-size:14.5px;}
  .brand-text span{font-size:10.5px;}
  .brand-mark{width:28px;height:28px;}
  .nav-actions .btn-sm{padding:9px 12px;font-size:13px;}
  .page-hero{padding:36px 0 0;}
  .page-hero h1{font-size:28px;margin:14px 0 12px;}
  .page-hero .lede{font-size:15.5px;}
  .section{padding:56px 0 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .section-title h2{font-size:24px;}
  .lead-card{padding:22px;}
  .lead-side{padding:20px;}
  .related-grid{grid-template-columns:1fr;}
  .faq-q{font-size:15px;padding:16px;}
  .faq-a-inner{padding:16px 16px 18px;}
  .cta-panel{padding:28px 22px;border-radius:16px;}
  .cta-panel h2{font-size:23px;}
  .cta-panel .cta-actions{width:100%;}
  .cta-panel .cta-actions .btn{width:100%;}
  .footer-inner{padding:48px 18px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .site-footer{margin-top:56px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:25px;}
  .section-title h2{font-size:22px;}
  .hero-meta .btn{width:100%;}
  .lead-tags{gap:8px;}
}

/* roulang page: category5 */
:root{
  --teal-900:#06302E;
  --teal-700:#0B4F4A;
  --teal-500:#14776F;
  --teal-100:#E4F0ED;
  --coral-600:#D9603A;
  --coral-700:#BE4E2C;
  --coral-100:#FBE9E1;
  --paper:#F8F5EF;
  --card:#FFFFFF;
  --line:#E4DED4;
  --ink-900:#16211F;
  --ink-700:#2C3A37;
  --ink-500:#5B6A66;
  --ink-300:#93A09B;
  --ok:#2E8B62;
  --warn:#C9861F;
  --error:#C0483C;
  --focus:#14776F;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --radius-lg:14px;
  --radius-md:10px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(22,33,31,.04),0 8px 24px -12px rgba(22,33,31,.10);
  --shadow-2:0 12px 32px -14px rgba(11,79,74,.22);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--paper);
  color:var(--ink-700);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--teal-700);text-decoration:none;transition:color .16s ease,background-color .16s ease,border-color .16s ease,box-shadow .16s ease,transform .16s ease}
a:hover{color:var(--teal-500)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(248,245,239,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px 14px;
  margin:12px 0;
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--teal-700)}
.brand:hover{color:var(--teal-500)}
.brand-mark{width:32px;height:32px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:16px;font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
.brand-text span{font-size:12px;color:var(--ink-500);letter-spacing:.02em}
.nav-cards{display:flex;align-items:center;gap:6px;flex:1 1 auto;flex-wrap:wrap;justify-content:center}
.nav-card{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:var(--radius-md);
  font-size:14px;color:var(--ink-700);font-weight:500;
  border:1px solid transparent;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.nav-card svg{color:var(--teal-700);transition:color .16s ease}
.nav-card:hover{background:var(--teal-100);color:var(--teal-700);border-color:var(--teal-100)}
.nav-card:hover svg{color:var(--teal-500)}
.nav-card.is-active{background:var(--teal-700);color:#fff;border-color:var(--teal-700)}
.nav-card.is-active svg{color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-md);
  border:1px solid var(--line);background:var(--card);color:var(--teal-700);cursor:pointer;
}
.nav-toggle:hover{background:var(--teal-100);border-color:var(--teal-100)}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,48,46,.35);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:var(--paper);z-index:80;
  padding:18px;overflow-y:auto;
  transform:translateX(105%);transition:transform .24s ease;
  border-left:1px solid var(--line);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-head strong{font-size:15px;color:var(--ink-900)}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);color:var(--ink-700);cursor:pointer;font-size:18px;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;gap:10px}
.drawer-nav .nav-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:12px 14px;font-size:15px;justify-content:flex-start;
}
.drawer-nav .nav-card.is-active{background:var(--teal-700);color:#fff;border-color:var(--teal-700)}
.drawer-nav .nav-card.is-active svg{color:#fff}
.drawer-cta{margin-top:16px}
.drawer-cta .btn{width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.4;
  padding:13px 26px;border-radius:var(--radius-md);
  border:1px solid transparent;cursor:pointer;
  transition:color .16s ease,background-color .16s ease,border-color .16s ease,box-shadow .16s ease,transform .16s ease;
}
.btn-primary{background:var(--coral-600);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--coral-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:var(--card);color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal-500);color:var(--teal-700);background:rgba(228,240,237,.4)}
.btn-light{background:#fff;color:var(--teal-700);border-color:#fff}
.btn-light:hover{background:var(--teal-100);color:var(--teal-900);border-color:var(--teal-100);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:var(--radius-md)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}

/* ---------- badges / labels ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:var(--teal-100);color:var(--teal-700);
  font-size:13px;font-weight:500;line-height:1.4;letter-spacing:.02em;
}
.badge-coral{background:var(--coral-100);color:var(--coral-700)}
.eyebrow{
  font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--teal-500);
}

/* ---------- section ---------- */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:36px;max-width:760px}
.section-head h2{
  font-size:32px;line-height:1.35;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;width:3px;height:.92em;background:var(--teal-500);border-radius:2px;
}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-500);line-height:1.8}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--teal-700)}
.link-more:hover{color:var(--teal-500)}
.link-more svg{transition:transform .16s ease}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- hero ---------- */
.hero{padding:64px 0 56px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}
.hero h1{font-size:44px;line-height:1.25;margin:18px 0 18px;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--teal-700)}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-500);max-width:52ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
.hero-meta div{display:flex;flex-direction:column}
.hero-meta b{font-size:24px;font-weight:700;color:var(--teal-700);letter-spacing:.01em;line-height:1.2}
.hero-meta span{font-size:13px;color:var(--ink-500);letter-spacing:.02em}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.float-card{
  position:absolute;right:-18px;bottom:-22px;
  display:flex;gap:12px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:12px 16px;box-shadow:var(--shadow-2);max-width:250px;
}
.float-card img{width:52px;height:52px;border-radius:10px;object-fit:cover;border:none;box-shadow:none;aspect-ratio:1/1}
.float-card p{font-size:13px;line-height:1.6;color:var(--ink-500);margin:0}
.float-card strong{display:block;font-size:13px;color:var(--ink-900)}

/* ---------- cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-1);
  transition:box-shadow .16s ease,transform .16s ease,border-color .16s ease;
}
.card-hover:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d8d1c5}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.num-card .num{font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--teal-500)}
.num-card h3{font-size:18px;line-height:1.5;margin:10px 0 8px}
.num-card p{font-size:15px;line-height:1.8;color:var(--ink-500);margin:0}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:36px;margin-top:8px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:14px;width:1px;background:var(--line)}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-31px;top:8px;width:10px;height:10px;border-radius:50%;
  background:var(--teal-500);box-shadow:0 0 0 4px var(--paper);
}
.tl-item .step{font-size:13px;font-weight:500;letter-spacing:.08em;color:var(--teal-500)}
.tl-item h3{font-size:19px;line-height:1.5;margin:6px 0 6px}
.tl-item p{font-size:15px;line-height:1.8;color:var(--ink-500);margin:0;max-width:70ch}

/* ---------- contact ---------- */
.contact-wrap{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:28px;align-items:start}
.contact-list{display:grid;gap:14px}
.contact-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;box-shadow:var(--shadow-1);
}
.contact-item .ico{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;
  background:var(--teal-100);color:var(--teal-700);
  display:flex;align-items:center;justify-content:center;
}
.contact-item h3{font-size:16px;line-height:1.6;margin-bottom:4px}
.contact-item p{font-size:15px;line-height:1.8;color:var(--ink-500);margin:0}
.contact-item a{font-weight:600}
.aside-card{
  background:var(--teal-100);border:1px solid #cfe4df;border-radius:var(--radius-lg);
  padding:26px;
}
.aside-card h3{font-size:17px;line-height:1.6;margin-bottom:12px}
.aside-card ul{display:grid;gap:10px;margin-bottom:20px}
.aside-card li{display:flex;gap:8px;font-size:15px;line-height:1.75;color:var(--teal-900)}
.aside-card li svg{flex:0 0 auto;margin-top:5px;color:var(--teal-700)}
.aside-card .btn{width:100%}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:box-shadow .16s ease,border-color .16s ease}
.faq-item:hover{border-color:#d8d1c5}
.faq-item.is-open{box-shadow:var(--shadow-1);border-color:#d8d1c5}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:18px 20px;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-q .sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--teal-100);color:var(--teal-700);
  display:flex;align-items:center;justify-content:center;transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);background:var(--coral-100);color:var(--coral-600)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--ink-700)}

/* ---------- related ---------- */
.rel-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-1);color:var(--ink-700);
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d8d1c5;color:var(--ink-700)}
.rel-card .ico{
  width:40px;height:40px;border-radius:12px;background:var(--teal-100);color:var(--teal-700);
  display:flex;align-items:center;justify-content:center;
}
.rel-card h3{font-size:17px;line-height:1.6}
.rel-card p{font-size:14px;line-height:1.75;color:var(--ink-500);margin:0}
.rel-card .go{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--teal-700);margin-top:4px}

/* ---------- cta ---------- */
.cta-panel{
  background:var(--teal-900);color:#EAF3F1;border-radius:18px;padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.10);
}
.cta-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-radial-gradient(circle at 88% 120%,rgba(255,255,255,.07) 0 1px,transparent 1px 26px);
}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:10px}
.cta-panel p{color:#A9C4BF;font-size:15px;line-height:1.8;margin:0;max-width:56ch}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-500);padding-top:18px}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--teal-700)}
.crumb .sep{color:var(--ink-300)}
.crumb .now{color:var(--ink-700);font-weight:500}

/* ---------- back link ---------- */
.back-row{padding:0 0 72px}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--teal-700)}
.back-link:hover{color:var(--teal-500)}
.back-link svg{transition:transform .16s ease}
.back-link:hover svg{transform:translateX(-3px)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--teal-900);color:#EAF3F1;position:relative;overflow:hidden;
  border-top:1px solid rgba(255,255,255,.10);
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-radial-gradient(circle at 12% -10%,rgba(255,255,255,.06) 0 1px,transparent 1px 30px);
}
.footer-inner{position:relative;z-index:1;padding:64px 24px 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-mark{color:#8FC7BF}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text span{color:#8FB3AE}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9C4BF;max-width:34ch}
.footer-mail{display:inline-block;margin-top:14px;font-size:14px;color:#EAF3F1;border-bottom:1px solid rgba(255,255,255,.28);padding-bottom:2px}
.footer-mail:hover{color:#fff;border-color:#fff}
.footer-col h4{font-size:15px;font-weight:600;color:#EAF3F1;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a,.footer-col p{font-size:14px;line-height:1.75;color:#A9C4BF;margin:0 0 8px}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FB3AE;
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{color:#A9C4BF;font-size:13px}
.footer-links a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero h1{font-size:38px}
  .nav-cards{gap:4px}
  .nav-card{padding:8px 10px;font-size:13.5px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-tight{padding:52px 0}
  .nav-cards{display:none}
  .nav-toggle{display:inline-flex}
  .nav-panel{gap:12px}
  .hero{padding:44px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:32px}
  .float-card{display:none}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-panel{padding:34px}
  .section-head h2{font-size:26px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .hero h1{font-size:30px}
  .hero-actions .btn{width:100%}
  .hero-meta{gap:16px 24px}
  .hero-meta b{font-size:21px}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .card{padding:22px}
  .timeline{padding-left:30px}
  .tl-item::before{left:-26px}
  .cta-panel{padding:26px;border-radius:16px}
  .cta-panel h2{font-size:23px}
  .cta-panel .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-inner{padding:48px 18px 22px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .brand-text b{font-size:15px}
  .faq-q{font-size:15px;padding:16px}
  .faq-a-inner{padding:0 16px 16px}
  .back-row{padding-bottom:52px}
  .aside-card{padding:22px}
}
@media (max-width:480px){
  .hero h1{font-size:27px}
  .section-head h2{font-size:23px}
  .nav-panel{padding:8px 10px}
  .brand-mark{width:28px;height:28px}
  .brand-text span{display:none}
  .nav-actions .btn-sm{padding:8px 12px;font-size:13px}
  .hero-figure img{aspect-ratio:4/3}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}