/* roulang page: index */
:root{
  --brand-900:#183B4D;
  --brand-700:#285A72;
  --brand-500:#4B7E96;
  --brand-100:#E7F0F3;
  --accent-600:#5F9A3C;
  --accent-500:#7FAE4E;
  --accent-100:#EDF4E4;
  --ink:#1E2A30;
  --muted:#5E7078;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --line:#DCE6E7;
  --danger:#B45345;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:12px;
  --shadow-1:0 10px 28px rgba(24,59,77,.08);
  --shadow-2:0 16px 40px rgba(24,59,77,.12);
  --section-y:88px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;object-fit:cover;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-600);}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--brand-900);font-weight:700;line-height:1.3;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
::selection{background:var(--accent-100);color:var(--brand-900);}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--section-y) 0;}
.section-tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--accent-600);background:var(--accent-100);
  padding:5px 14px;border-radius:999px;margin-bottom:16px;
}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:16px;}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;font-family:inherit;
}
.btn-brand{background:var(--brand-700);color:#fff;}
.btn-brand:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-brand:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--brand-500);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900);border-color:var(--brand-700);}
.btn-sm{height:44px;padding:0 20px;font-size:15px;border-radius:12px;}
.btn-block{width:100%;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(127,174,78,.35);
}

/* ---------- 倒计时条 ---------- */
.countdown-bar{background:var(--brand-900);color:#fff;font-size:13px;}
.countdown-inner{display:flex;align-items:center;justify-content:center;gap:16px;min-height:44px;flex-wrap:wrap;}
.cd-text{color:rgba(255,255,255,.85);}
.cd-timer{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;}
.cd-num{
  display:inline-block;min-width:34px;text-align:center;
  font-size:17px;font-weight:700;color:#fff;
  background:rgba(255,255,255,.14);border-radius:8px;padding:1px 6px;
}
.cd-unit{font-size:12px;color:rgba(255,255,255,.7);margin-right:4px;}
.cd-link{color:#CFE7BC;font-weight:600;border-bottom:1px solid rgba(207,231,188,.5);}
.cd-link:hover{color:#fff;}
.cd-live{font-weight:700;color:#CFE7BC;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(24,59,77,.09);}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:80px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{width:30px;height:30px;flex-shrink:0;}
.brand-text{font-size:19px;font-weight:700;color:var(--brand-900);white-space:nowrap;}
.brand:hover .brand-text{color:var(--brand-700);}
.nav-collapse{align-items:center;gap:16px;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-list a{
  display:block;padding:9px 14px;font-size:15px;color:var(--ink);
  border-radius:8px;position:relative;white-space:nowrap;
}
.nav-list a:hover{color:var(--brand-700);background:var(--brand-100);}
.nav-list a.active{color:var(--brand-900);font-weight:600;}
.nav-list a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;margin-left:auto;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand-900);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--brand-900);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

@media (min-width:992px){
  .nav-collapse{display:flex !important;margin-left:auto;}
  .nav-toggle{display:none;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--surface);overflow:hidden;
  padding:72px 0 80px;
}
.hero::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;border:1px solid var(--brand-100);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-80px;bottom:-140px;width:320px;height:320px;
  border-radius:50%;background:radial-gradient(circle,rgba(127,174,78,.10),rgba(127,174,78,0) 70%);
  pointer-events:none;
}
.hero .wrap{position:relative;z-index:1;}
.hero h1{
  font-size:clamp(32px,4.6vw,52px);
  line-height:1.2;
  margin-bottom:20px;
  letter-spacing:0;
}
.hero h1 .hl{color:var(--accent-600);}
.hero-sub{font-size:17px;color:var(--muted);max-width:600px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.hero-tags span{
  font-size:13px;color:var(--brand-700);background:var(--brand-100);
  border-radius:999px;padding:6px 14px;font-weight:600;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{position:relative;}
.hero-img{
  width:100%;aspect-ratio:4/3;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-2);overflow:hidden;
}
.hero-img img{width:100%;height:100%;}
.hero-badge{
  position:absolute;left:-14px;bottom:24px;
  background:#fff;border-radius:14px;padding:12px 18px;
  box-shadow:var(--shadow-1);border:1px solid var(--line);
  display:flex;align-items:center;gap:10px;
}
.hero-badge i{
  width:9px;height:9px;border-radius:50%;background:var(--accent-500);
  box-shadow:0 0 0 4px rgba(127,174,78,.22);display:block;
}
.hero-badge strong{font-size:14px;color:var(--brand-900);display:block;line-height:1.4;}
.hero-badge em{font-style:normal;font-size:12px;color:var(--muted);}

/* ---------- 卖点 ---------- */
.sell-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;}
.sell-item{
  display:flex;gap:18px;padding:26px 0;border-top:1px solid var(--line);
  transition:border-color .2s ease;
}
.sell-item:hover{border-top-color:var(--accent-500);}
.sell-num{
  font-size:14px;font-weight:700;color:var(--accent-600);
  font-variant-numeric:tabular-nums;letter-spacing:.08em;
  padding-top:3px;flex-shrink:0;
}
.sell-body h3{font-size:19px;margin-bottom:6px;}
.sell-body p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- 图墙 ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.gal-item{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  background:var(--brand-100);box-shadow:var(--shadow-1);margin:0;
}
.gal-item img{width:100%;height:100%;aspect-ratio:4/3;transition:transform .35s ease;}
.gal-item.big{grid-column:span 2;}
.gal-item.big img{aspect-ratio:16/8.6;}
.gal-item:hover img{transform:scale(1.03);}
.gal-mask{
  position:absolute;inset:0;display:flex;align-items:flex-end;
  padding:16px;background:linear-gradient(to top,rgba(24,59,77,.52),rgba(24,59,77,0) 62%);
  opacity:.92;transition:opacity .25s ease;
}
.gal-item:hover .gal-mask{opacity:1;}
.gal-mask span{
  font-size:13px;font-weight:600;color:#fff;background:rgba(95,154,60,.92);
  border-radius:999px;padding:5px 13px;
}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px;
}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 20px;box-shadow:var(--shadow-1);transition:all .22s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.stat b{display:block;font-size:28px;color:var(--brand-900);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat span{font-size:13px;color:var(--muted);}

/* ---------- 报名 CTA + 表单 ---------- */
.cta-band{
  background:var(--brand-100);border-radius:var(--radius-lg);
  padding:56px 48px;
}
.cta-grid{display:grid;grid-template-columns:0.85fr 1fr;gap:48px;align-items:start;}
.cta-info h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:16px;}
.cta-info p{color:var(--brand-900);opacity:.82;font-size:15px;}
.cta-steps{margin-top:24px;display:grid;gap:12px;}
.cta-steps li{display:flex;gap:12px;font-size:14px;color:var(--brand-900);}
.cta-steps li::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--accent-500);
  flex-shrink:0;margin-top:9px;
}
.form-card{
  background:#fff;border-radius:var(--radius-card);padding:30px;
  box-shadow:var(--shadow-1);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-note{font-size:13px;color:var(--muted);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--brand-900);margin-bottom:7px;}
.form-control,.form-select{
  width:100%;height:48px;border-radius:10px;border:1px solid var(--line);
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;
  font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(75,126,150,.14);outline:none;
}
.form-control.is-error,.form-select.is-error{border-color:var(--danger);}
.field-error{display:none;font-size:13px;color:var(--danger);margin-top:6px;}
.field-error.show{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);margin-bottom:18px;}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--accent-600);flex-shrink:0;}
.form-alert{
  display:none;font-size:14px;border-radius:10px;padding:12px 16px;margin-bottom:18px;
  background:var(--accent-100);color:var(--accent-600);border:1px solid rgba(95,154,60,.28);
}
.form-alert.show{display:block;}

/* ---------- CMS 资讯列表 ---------- */
.cms-news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cms-news-item{
  background:var(--surface);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);height:100%;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.cms-news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.cms-cover{
  display:block;width:100%;aspect-ratio:16/10;background-color:var(--brand-100);
  background-image:url("/assets/images/coverpic/cover-7.webp");
  background-size:cover;background-position:center;transition:transform .35s ease;
}
.cms-news-item:hover .cms-cover{transform:scale(1.03);}
.cms-news-list .cms-news-item:nth-child(6n+2) .cms-cover{background-image:url("/assets/images/coverpic/cover-8.webp");}
.cms-news-list .cms-news-item:nth-child(6n+3) .cms-cover{background-image:url("/assets/images/coverpic/cover-9.png");}
.cms-news-list .cms-news-item:nth-child(6n+4) .cms-cover{background-image:url("/assets/images/coverpic/cover-10.png");}
.cms-news-list .cms-news-item:nth-child(6n+5) .cms-cover{background-image:url("/assets/images/coverpic/cover-11.webp");}
.cms-news-list .cms-news-item:nth-child(6n+6) .cms-cover{background-image:url("/assets/images/coverpic/cover-12.webp");}
.cms-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.badge-soft{
  display:inline-block;font-size:12px;font-weight:600;color:var(--accent-600);
  background:var(--accent-100);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.cms-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;}
.cms-body h3 a{color:var(--brand-900);}
.cms-body h3 a:hover{color:var(--accent-600);}
.cms-body p{
  font-size:14px;color:var(--muted);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;
}
.cms-meta .more{color:var(--brand-700);font-weight:600;}
.cms-empty{
  grid-column:1 / -1;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:#fff;padding:52px 24px;text-align:center;
}
.cms-empty strong{display:block;font-size:17px;color:var(--brand-900);margin-bottom:8px;}
.cms-empty span{display:block;font-size:14px;color:var(--muted);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:1px solid var(--line);border-radius:12px;background:#fff;
  margin-bottom:12px;overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-header{margin:0;}
.accordion-button{
  position:relative;display:block;width:100%;text-align:left;
  background:#fff;color:var(--brand-900);font-size:17px;font-weight:600;
  padding:18px 58px 18px 20px;border:0;box-shadow:none !important;
  font-family:inherit;line-height:1.6;transition:background .2s ease;
}
.accordion-button:hover{background:var(--brand-100);}
.accordion-button:not(.collapsed){
  background:#fff;color:var(--brand-900);
  box-shadow:inset 3px 0 0 var(--accent-500) !important;
}
.accordion-button::after{display:none;}
.acc-sign{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:22px;line-height:1;color:var(--brand-500);font-weight:400;
}
.accordion-button .acc-sign::before{content:"+";}
.accordion-button:not(.collapsed) .acc-sign::before{content:"−";color:var(--accent-600);}
.accordion-body{padding:4px 24px 22px;font-size:15px;color:var(--muted);line-height:1.85;}
.acc-index{
  display:inline-block;font-size:13px;font-weight:700;color:var(--accent-600);
  font-variant-numeric:tabular-nums;margin-right:10px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;font-size:19px;font-weight:700;}
.footer-brand .brand-mark{width:30px;height:30px;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);}
.site-footer strong{display:block;color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.74);}
.footer-links a:hover{color:#CFE7BC;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.74);margin-bottom:10px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:44px;padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--section-y:76px;}
  .cta-band{padding:48px 36px;}
  .cta-grid{gap:36px;}
}
@media (max-width:991.98px){
  :root{--section-y:64px;}
  .nav-inner{min-height:70px;gap:12px;}
  .nav-collapse{
    width:100%;margin-left:0;display:none;
    flex-direction:column;align-items:stretch;gap:8px;
    padding:14px 0 20px;border-top:1px solid var(--line);
  }
  .nav-collapse.show{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-list a{padding:12px 14px;font-size:16px;}
  .nav-list a.active{background:var(--brand-100);}
  .nav-list a.active::after{display:none;}
  .nav-actions{flex-direction:column;align-items:stretch;gap:10px;margin-top:6px;}
  .nav-actions .btn-brand,.nav-actions .btn-ghost{width:100%;}
  .nav-toggle{display:flex;}
  .hero{padding:48px 0 56px;}
  .hero-visual{margin-top:36px;}
  .hero-img{aspect-ratio:16/10;}
  .hero-badge{left:12px;bottom:12px;}
  .sell-wrap{grid-template-columns:1fr;gap:0;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .gal-item.big{grid-column:span 2;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:40px 28px;}
  .cms-news-list{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  :root{--section-y:56px;}
  .wrap{padding:0 18px;}
  .hero h1{font-size:clamp(30px,7.4vw,38px);}
  .hero-sub{font-size:16px;}
  .hero-cta .btn-brand,.hero-cta .btn-ghost{flex:1 1 100%;}
  .sec-head{margin-bottom:32px;}
  .cd-text{display:none;}
  .countdown-inner{gap:10px;min-height:42px;font-size:12px;}
  .cd-num{min-width:30px;font-size:15px;}
  .form-card{padding:22px;}
  .cta-band{padding:32px 20px;border-radius:16px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575.98px){
  .gallery{grid-template-columns:1fr;}
  .gal-item.big{grid-column:span 1;}
  .gal-item img,.gal-item.big img{aspect-ratio:4/3;}
  .stats{grid-template-columns:1fr;}
  .cms-news-list{grid-template-columns:1fr;}
  .brand-text{font-size:17px;}
  .accordion-button{font-size:16px;padding:16px 52px 16px 16px;}
  .acc-sign{right:16px;}
  .accordion-body{padding:2px 18px 20px;}
}

/* roulang page: article */
:root{
  --brand-900:#183B4D;
  --brand-700:#285A72;
  --brand-500:#4B7E96;
  --brand-100:#E7F0F3;
  --accent-600:#5F9A3C;
  --accent-500:#7FAE4E;
  --accent-100:#EDF4E4;
  --ink:#1E2A30;
  --muted:#5E7078;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --line:#DCE6E7;
  --danger:#B45345;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-sm:0 10px 28px rgba(24,59,77,.08);
  --shadow-md:0 16px 40px rgba(24,59,77,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent-600);}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(127,174,78,.45);outline-offset:2px;}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(24,59,77,.08);}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:80px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:27px;height:27px;flex:none;}
.brand-text{font-size:19px;font-weight:700;color:var(--brand-900);line-height:1.2;white-space:nowrap;}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;
  border:1px solid var(--line);border-radius:10px;background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
  transition:background .18s,border-color .18s;
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-500);}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--brand-700);border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-700);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-collapse{display:flex;align-items:center;gap:20px;flex:1;}
.nav-list{display:flex;align-items:center;gap:4px;flex:1;flex-wrap:wrap;}
.nav-list a{
  display:inline-block;padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--ink);position:relative;transition:color .18s,background .18s;
}
.nav-list a:hover{color:var(--brand-700);background:var(--brand-100);}
.nav-list a.active{color:var(--brand-900);font-weight:600;}
.nav-list a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 26px;border-radius:var(--r-btn);
  background:var(--brand-700);border:1px solid var(--brand-700);color:#fff;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-brand:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(24,59,77,.18);}
.btn-brand:active{transform:translateY(0);box-shadow:none;}
.btn-brand.btn-sm{min-height:46px;padding:0 20px;font-size:15px;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 24px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--brand-500);color:var(--brand-700);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,transform .2s ease,color .2s ease,border-color .2s ease;
}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-900);border-color:var(--brand-700);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:22px 0 0;font-size:13px;color:var(--muted);line-height:1.7;}
.breadcrumb-bar a{color:var(--muted);}
.breadcrumb-bar a:hover{color:var(--brand-700);}
.breadcrumb-bar .sep{margin:0 8px;color:#B4C4C8;}
.breadcrumb-bar .crumb-current{color:var(--ink);font-weight:600;}

/* ============ 文章头部 ============ */
.article-hero{position:relative;padding:18px 0 40px;overflow:hidden;}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.07;pointer-events:none;
}
.article-hero .wrap{position:relative;z-index:1;}
.article-head{max-width:860px;}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:var(--accent-100);color:var(--accent-600);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  border:1px solid rgba(95,154,60,.22);
}
.article-title{
  margin:18px 0 18px;
  font-size:clamp(28px,3.9vw,44px);
  line-height:1.28;font-weight:700;color:var(--brand-900);
  word-break:break-word;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13.5px;color:var(--muted);}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--accent-500);display:inline-block;}

/* ============ 正文 ============ */
.article-shell{padding:8px 0 72px;}
.article-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  padding:40px 44px 46px;
}
.article-body{
  max-width:800px;
  font-size:17px;line-height:1.88;color:#2A3A42;
  word-break:break-word;
}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:clamp(21px,2.3vw,27px);line-height:1.4;font-weight:700;color:var(--brand-900);
  margin:40px 0 14px;padding-left:14px;border-left:4px solid var(--accent-500);border-radius:2px;
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--brand-900);margin:30px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;color:var(--brand-700);margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px;}
.article-body ul li{list-style:disc;margin-bottom:8px;}
.article-body ol li{list-style:decimal;margin-bottom:8px;}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  border-left:3px solid var(--accent-500);
  background:var(--accent-100);
  border-radius:0 12px 12px 0;color:#33454D;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:22px 0;width:100%;height:auto;object-fit:cover;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;
  display:block;overflow-x:auto;font-size:15px;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap;}
.article-body th{background:var(--brand-100);color:var(--brand-900);font-weight:600;}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent-600);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* ============ 空态 ============ */
.empty-state{
  max-width:620px;margin:0 auto;padding:48px 28px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--bg);
}
.empty-state h2{font-size:22px;font-weight:700;color:var(--brand-900);margin-bottom:12px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:24px;}

/* ============ 文末行动区 ============ */
.article-foot-cta{
  margin-top:36px;padding:28px 30px;
  background:var(--brand-100);border-radius:var(--r-card);
  display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
}
.article-foot-cta h2{font-size:19px;font-weight:700;color:var(--brand-900);margin-bottom:6px;}
.article-foot-cta p{font-size:14.5px;color:var(--muted);}
.article-foot-cta .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 相关推荐 ============ */
.related-section{padding:0 0 84px;}
.section-head{margin-bottom:26px;}
.section-eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--accent-600);margin-bottom:8px;
}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--brand-900);line-height:1.35;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.related-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--brand-100);}
.related-thumb img{width:100%;height:100%;transition:transform .3s ease;}
.related-card:hover .related-thumb img{transform:scale(1.04);}
.related-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.related-body h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--brand-900);}
.related-card:hover .related-body h3{color:var(--accent-600);}
.related-body .related-desc{font-size:13.5px;color:var(--muted);line-height:1.7;}
.related-body .related-meta{font-size:12.5px;color:#8A9CA2;margin-top:auto;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#C9D8DE;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:27px;height:27px;}
.footer-brand .brand-text{font-size:18px;font-weight:700;color:#fff;white-space:nowrap;}
.site-footer p{font-size:14px;line-height:1.85;color:#A9C0C9;max-width:340px;}
.site-footer strong{display:block;font-size:14.5px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-links li{margin-bottom:9px;}
.footer-links a{font-size:14px;color:#A9C0C9;}
.footer-links a:hover{color:var(--accent-500);}
.footer-contact li{font-size:14px;color:#A9C0C9;margin-bottom:9px;line-height:1.7;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA8B2;
}

/* ============ 响应式 ============ */
@media (min-width:992px){
  .nav-collapse.collapse{display:flex !important;height:auto !important;visibility:visible !important;}
}
@media (max-width:991px){
  .nav-inner{min-height:72px;gap:14px;}
  .nav-toggle{display:flex;}
  .nav-collapse{flex:0 0 100%;flex-direction:column;align-items:stretch;gap:0;padding:6px 0 18px;}
  .nav-collapse.show{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-list a{padding:12px 14px;font-size:15.5px;}
  .nav-list a.active::after{left:14px;right:auto;width:26px;bottom:8px;}
  .nav-actions{padding:10px 14px 0;}
  .nav-actions .btn-brand{width:100%;}
  .article-panel{padding:30px 26px 34px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer p{max-width:none;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .brand-text{font-size:17px;}
  .article-hero{padding:12px 0 30px;}
  .article-title{margin:14px 0 14px;}
  .article-shell{padding:0 0 56px;}
  .article-panel{padding:24px 18px 28px;border-radius:var(--r-card);}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{margin-top:32px;}
  .related-grid{grid-template-columns:1fr;}
  .article-foot-cta{padding:22px 20px;}
  .article-foot-cta .cta-actions{width:100%;}
  .article-foot-cta .cta-actions .btn-brand,
  .article-foot-cta .cta-actions .btn-outline{flex:1 1 100%;}
  .site-footer{padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:479px){
  .article-meta{gap:8px 14px;}
  .breadcrumb-bar{font-size:12.5px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#183B4D;
  --brand-700:#285A72;
  --brand-500:#4B7E96;
  --brand-100:#E7F0F3;
  --accent-600:#5F9A3C;
  --accent-500:#7FAE4E;
  --accent-100:#EDF4E4;
  --ink:#1E2A30;
  --muted:#5E7078;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --line:#DCE6E7;
  --danger:#B45345;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 10px 28px rgba(24,59,77,.08);
  --sh-2:0 16px 40px rgba(24,59,77,.12);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.32;letter-spacing:normal;color:var(--brand-900)}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand-700);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease)}
a:hover{color:var(--accent-600)}
img{max-width:100%;display:block;object-fit:cover}
button{font-family:inherit}
section[id]{scroll-margin-top:96px}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-white{background:var(--surface)}
.section-tint{background:var(--brand-100)}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:12px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.btn-brand{background:var(--brand-700);color:#fff;box-shadow:0 6px 16px rgba(40,90,114,.18)}
.btn-brand:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0);box-shadow:0 4px 12px rgba(40,90,114,.18)}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--brand-500)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(0)}
.btn-brand:focus-visible,.btn-ghost:focus-visible,.nav-list a:focus-visible,.footer-links a:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(127,174,78,.4);
}
.btn-sm{height:44px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;box-shadow:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(24,59,77,.09)}
.nav-inner{display:flex;align-items:center;gap:26px;min-height:78px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:26px;height:26px;flex:0 0 auto}
.brand-text{font-size:19px;font-weight:700;color:var(--brand-900);white-space:nowrap}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-900);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-collapse{display:flex;align-items:center;justify-content:space-between;flex:1;gap:24px}
.nav-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-list a{
  display:inline-block;position:relative;padding:10px 13px;border-radius:8px;
  font-size:15px;color:var(--ink);
}
.nav-list a:hover{color:var(--brand-700)}
.nav-list a.active{color:var(--brand-900);font-weight:600}
.nav-list a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;color:#fff;padding:74px 0 70px;
  background-image:linear-gradient(115deg,rgba(24,59,77,.92),rgba(40,90,114,.78)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 88% 18%,rgba(127,174,78,.24),transparent 46%);
}
.page-hero .wrap{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.42)}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);line-height:1.22;color:#fff;
  max-width:16em;margin-bottom:18px;
}
.hero-lead{max-width:660px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:#fff;background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.26);border-radius:var(--r-pill);padding:6px 13px;
}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:44px;
  margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.2);
}
.hero-facts .fact{display:flex;flex-direction:column;gap:4px;min-width:120px}
.fact-label{font-size:13px;color:rgba(255,255,255,.72)}
.fact-value{font-size:18px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}

/* ---------- 区块标题 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--accent-600);
  background:var(--accent-100);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.sec-head{max-width:780px;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.sec-lead{font-size:16px;color:var(--muted);margin:0}

/* ---------- 报名资格清单 ---------- */
.qual-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.qual-item{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.qual-item:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:#C9DBDD}
.qual-num{
  flex:0 0 auto;font-size:14px;font-weight:700;color:var(--accent-600);
  font-variant-numeric:tabular-nums;padding-top:3px;
}
.qual-item h3{font-size:18px;margin-bottom:8px}
.qual-item p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- 报名区 ---------- */
.signup-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:44px;align-items:start}
.signup-copy h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:16px}
.signup-copy p{font-size:15.5px;color:var(--muted)}
.step-mini{margin:26px 0 24px}
.step-mini li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed #C8D9DC;font-size:14.5px;color:var(--muted);
}
.step-mini li:last-child{border-bottom:0}
.step-mini .idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--surface);border:1px solid var(--brand-500);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-mini b{color:var(--brand-900);font-weight:600}
.note-card{
  background:var(--surface);border-left:3px solid var(--accent-500);
  border-radius:0 var(--r-md) var(--r-md) 0;padding:18px 20px;
  font-size:14px;color:var(--muted);box-shadow:var(--sh-1);
}
.note-card strong{display:block;color:var(--brand-900);font-size:14.5px;margin-bottom:6px}

.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);
}
.form-card .form-title{font-size:20px;margin-bottom:6px}
.form-card .form-sub{font-size:14px;color:var(--muted);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600;color:var(--brand-900)}
.field .req{color:var(--danger);margin-left:2px}
.form-control,.form-select{
  height:48px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
textarea.form-control{height:auto;min-height:112px;padding:12px 14px;line-height:1.75;resize:vertical}
.form-control:focus,.form-select:focus{
  border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(127,174,78,.18);outline:none;
}
.form-control::placeholder{color:#9BAEB4}
.field.invalid .form-control,.field.invalid .form-select{border-color:var(--danger)}
.err-msg{display:none;font-size:13px;color:var(--danger);line-height:1.6}
.field.invalid .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);line-height:1.7}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--accent-600);flex:0 0 auto}
.check-row a{color:var(--brand-700);text-decoration:underline}
.form-success{
  display:none;background:var(--accent-100);border:1px solid #C6DDAC;color:#3F6A26;
  border-radius:12px;padding:13px 16px;font-size:14px;margin-bottom:20px;
}
.form-success.show{display:block}
.form-actions{display:flex;justify-content:flex-end;margin-top:22px}
.form-actions .btn-brand{min-width:180px}

/* ---------- 规则摘要 ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rule-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.rule-card:hover{transform:translateY(-4px);box-shadow:var(--sh-1)}
.rule-num{display:block;font-size:13px;font-weight:700;color:var(--accent-600);font-variant-numeric:tabular-nums;margin-bottom:12px}
.rule-card h3{font-size:18px;margin-bottom:10px}
.rule-card p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- FAQ ---------- */
.faq{max-width:920px}
.faq .accordion-item{
  border:1px solid var(--line);border-radius:12px;background:var(--surface);
  margin-bottom:12px;overflow:hidden;
}
.faq .accordion-item:last-child{margin-bottom:0}
.faq .accordion-button{
  display:flex;align-items:center;gap:14px;
  background:var(--surface);color:var(--ink);
  font-size:17px;font-weight:600;line-height:1.55;
  padding:18px 22px;border-radius:12px;box-shadow:none;
}
.faq .accordion-button:not(.collapsed){
  color:var(--brand-900);background:var(--surface);
  box-shadow:inset 3px 0 0 var(--accent-500);
}
.faq .accordion-button:focus{box-shadow:inset 3px 0 0 var(--accent-500),0 0 0 3px rgba(127,174,78,.2)}
.faq .faq-num{
  flex:0 0 auto;font-size:13px;font-weight:700;color:var(--accent-600);
  font-variant-numeric:tabular-nums;
}
.faq .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;
  margin-left:auto;font-size:22px;line-height:1;font-weight:400;
  color:var(--brand-500);transform:none;transition:color .18s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{content:"−";color:var(--accent-600)}
.faq .accordion-body{
  padding:4px 22px 22px 22px;font-size:15.5px;line-height:1.85;color:var(--muted);
}

/* ---------- CTA 条 ---------- */
.cta-band{padding:0 0 88px}
.cta-inner{
  background:var(--accent-100);border-radius:var(--r-xl);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-inner p{font-size:15.5px;color:var(--muted);margin:0;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#CBDCE2;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:26px;height:26px}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:700;white-space:nowrap}
.site-footer p{font-size:14px;line-height:1.8;color:#A9C1C9;margin:0}
.site-footer strong{display:block;color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#CBDCE2;font-size:14px}
.footer-links a:hover{color:var(--accent-500)}
.footer-contact li{font-size:14px;line-height:1.7;color:#CBDCE2;margin-bottom:10px}
.footer-contact li:last-child{margin-bottom:0}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:13px;color:#93AFB8;
}

/* ---------- 响应式 ---------- */
@media (min-width:992px){
  #mainNav.collapse{display:flex !important}
}
@media (max-width:1199.98px){
  .signup-grid{gap:32px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:30px}
}
@media (max-width:991.98px){
  .section{padding:62px 0}
  .nav-toggle{display:flex}
  .nav-inner{min-height:70px;flex-wrap:wrap}
  .nav-collapse{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    background:#fff;padding:16px 24px 22px;
    border-bottom:1px solid var(--line);
    border-radius:0 0 var(--r-md) var(--r-md);
    box-shadow:0 18px 32px rgba(24,59,77,.12);
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-list a{display:block;padding:12px 8px;font-size:16px}
  .nav-list a.active::after{left:8px;right:auto;width:22px;bottom:6px}
  .nav-actions{margin-top:14px}
  .nav-actions .btn-brand{width:100%}
  .page-hero{padding:56px 0 52px}
  .hero-facts{gap:28px}
  .qual-list{grid-template-columns:1fr}
  .signup-grid{grid-template-columns:1fr}
  .rule-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:34px}
  .cta-band{padding-bottom:62px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767.98px){
  .form-row{grid-template-columns:1fr;gap:0}
  .form-card{padding:24px}
  .hero-lead{font-size:16px}
  .sec-head{margin-bottom:32px}
  .faq .accordion-button{font-size:16px;padding:16px 18px}
  .faq .accordion-body{padding:2px 18px 18px}
  .form-actions{justify-content:stretch}
  .form-actions .btn-brand{width:100%}
}
@media (max-width:575.98px){
  .wrap{padding:0 18px}
  .section{padding:48px 0}
  .page-hero{padding:46px 0 44px}
  .page-hero h1{font-size:29px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .hero-facts{gap:20px;margin-top:28px}
  .hero-facts .fact{min-width:44%}
  .nav-collapse{padding:14px 18px 20px}
  .cta-inner{padding:26px;border-radius:16px}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .form-card{padding:20px}
}

/* roulang page: category2 */
:root{
  --brand-900:#183B4D;
  --brand-700:#285A72;
  --brand-500:#4B7E96;
  --brand-100:#E7F0F3;
  --accent-600:#5F9A3C;
  --accent-500:#7FAE4E;
  --accent-100:#EDF4E4;
  --ink:#1E2A30;
  --muted:#5E7078;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --line:#DCE6E7;
  --danger:#B45345;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:12px;
  --shadow-sm:0 10px 28px rgba(24,59,77,.08);
  --shadow-md:0 16px 40px rgba(24,59,77,.12);
  --section-y:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-600);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--brand-900);font-weight:700;letter-spacing:normal;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(127,174,78,.4);border-radius:6px;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:var(--section-y) 0;}
.section--white{background:var(--surface);}
.section--tint{background:var(--bg);}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(24,59,77,.08);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:80px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--brand-900);
}
.brand-mark{width:28px;height:28px;flex-shrink:0;}
.brand-text{
  font-size:19px;
  font-weight:700;
  color:var(--brand-900);
  line-height:1.2;
  white-space:nowrap;
}
.nav-collapse{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex:1 1 auto;
  gap:24px;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.nav-list a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  border-radius:10px;
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  background:var(--accent-500);
  border-radius:2px;
  opacity:0;
  transform:scaleX(.4);
  transition:opacity .2s ease,transform .2s ease;
}
.nav-list a:hover{color:var(--brand-700);background:var(--brand-100);}
.nav-list a:hover::after{opacity:1;transform:scaleX(1);}
.nav-list a.active{color:var(--brand-700);font-weight:700;}
.nav-list a.active::after{opacity:1;transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  background:var(--brand-100);
  border:1px solid var(--line);
  border-radius:12px;
  cursor:pointer;
  padding:0;
}
.nav-toggle span{position:relative;display:block;width:20px;height:2px;background:var(--brand-900);border-radius:2px;}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--brand-900);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- buttons ---------- */
.btn-brand,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:50px;
  padding:0 26px;
  font-size:16px;
  font-weight:600;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-brand{background:var(--brand-700);color:#fff;box-shadow:0 8px 20px rgba(40,90,114,.18);}
.btn-brand:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(24,59,77,.22);}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 14px rgba(24,59,77,.16);}
.btn-brand:focus-visible{box-shadow:0 0 0 3px rgba(127,174,78,.45);}
.btn-ghost{background:var(--surface);color:var(--brand-700);border-color:var(--brand-500);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900);border-color:var(--brand-700);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-brand.btn-sm,.btn-ghost.btn-sm{height:44px;padding:0 20px;font-size:15px;border-radius:12px;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:64px 0 72px;
  background:linear-gradient(180deg,#F5F7F4 0%,#FFFFFF 100%);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  top:-90px;right:-60px;
  width:340px;height:340px;
  border:1px solid rgba(75,126,150,.16);
  border-radius:50%;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  font-size:13px;
  font-weight:600;
  color:var(--accent-600);
  background:var(--accent-100);
  border-radius:999px;
  letter-spacing:.5px;
}
.eyebrow i{font-size:12px;}
.page-hero h1{
  margin:20px 0 18px;
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.22;
  font-weight:700;
}
.page-hero h1 .hl{color:var(--brand-700);}
.hero-lead{
  max-width:600px;
  font-size:17px;
  line-height:1.85;
  color:var(--muted);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:7px 14px;
  font-size:13px;
  font-weight:500;
  color:var(--brand-700);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  aspect-ratio:16/11;
  background:var(--brand-100);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-badge{
  position:absolute;
  left:20px;
  bottom:20px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 16px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-900);
  background:rgba(255,255,255,.94);
  border-radius:999px;
  box-shadow:0 8px 18px rgba(24,59,77,.14);
}
.hero-badge i{color:var(--accent-600);}

/* ---------- stats ---------- */
.stats-strip{
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat-item{
  padding:34px 26px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-size:clamp(26px,2.8vw,34px);
  font-weight:700;
  color:var(--brand-700);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat-num span{font-size:16px;font-weight:600;color:var(--accent-600);margin-left:4px;}
.stat-label{margin-top:8px;font-size:14px;color:var(--muted);}

/* ---------- section headings ---------- */
.section-head{max-width:760px;margin-bottom:44px;}
.section-kicker{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--accent-600);
  letter-spacing:1px;
  margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.32;
}
.section-head p{margin-top:14px;font-size:16px;color:var(--muted);}

/* ---------- filter chips ---------- */
.filter-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:34px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  font-size:14px;
  font-weight:500;
  color:var(--brand-700);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  cursor:default;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{border-color:var(--brand-500);background:var(--brand-100);}
.chip.is-on{background:var(--brand-700);color:#fff;border-color:var(--brand-700);}
.chip.is-on:hover{background:var(--brand-900);border-color:var(--brand-900);}

/* ---------- collage wall ---------- */
.wall{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:1fr;
  gap:16px;
}
.wall-item{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-card);
  background:var(--brand-100);
  aspect-ratio:4/3;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.wall-item img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease;
}
.wall-item--feature{
  grid-column:span 2;
  grid-row:span 2;
  aspect-ratio:auto;
}
.wall-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.wall-item:hover img{transform:scale(1.03);}
.wall-mask{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(24,59,77,0) 42%,rgba(24,59,77,.62) 100%);
  opacity:.9;
  transition:opacity .22s ease;
}
.wall-item:hover .wall-mask{opacity:1;}
.wall-caption{
  position:absolute;
  left:18px;
  right:18px;
  bottom:16px;
  color:#fff;
}
.wall-caption strong{
  display:block;
  font-size:16px;
  font-weight:600;
  line-height:1.4;
}
.wall-caption em{
  display:inline-block;
  margin-bottom:8px;
  padding:3px 10px;
  font-size:12px;
  font-style:normal;
  font-weight:600;
  color:var(--brand-900);
  background:rgba(255,255,255,.9);
  border-radius:999px;
}
.wall-caption small{display:block;margin-top:4px;font-size:13px;opacity:.85;}

/* ---------- cases ---------- */
.case-card{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:48px;
  align-items:center;
  padding:44px;
  background:var(--surface);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease;
}
.case-card + .case-card{margin-top:28px;}
.case-card:hover{box-shadow:var(--shadow-md);}
.case-card--rev .case-media{order:2;}
.case-media{
  border-radius:var(--radius-card);
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--brand-100);
}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.case-card:hover .case-media img{transform:scale(1.03);}
.case-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  font-size:14px;
  font-weight:700;
  color:var(--accent-600);
  background:var(--accent-100);
  border-radius:12px;
}
.case-body h3{
  margin:16px 0 12px;
  font-size:clamp(20px,2.2vw,24px);
  line-height:1.4;
}
.case-body p{color:var(--muted);font-size:16px;}
.case-points{margin-top:20px;display:grid;gap:10px;}
.case-points li{
  position:relative;
  padding-left:24px;
  font-size:15px;
  color:var(--ink);
}
.case-points li::before{
  content:"";
  position:absolute;
  left:4px;top:11px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent-500);
}
.case-meta{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.case-meta span{
  padding:5px 12px;
  font-size:13px;
  color:var(--brand-700);
  background:var(--brand-100);
  border-radius:999px;
}

/* ---------- cta ---------- */
.cta-band{
  background:var(--accent-100);
  border-radius:var(--radius-lg);
  padding:56px;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:48px;
  align-items:center;
}
.cta-band h2{font-size:clamp(24px,2.8vw,32px);line-height:1.35;}
.cta-band p{margin-top:16px;color:var(--muted);font-size:16px;max-width:560px;}
.cta-side{
  background:var(--surface);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-sm);
}
.cta-side strong{display:block;font-size:16px;color:var(--brand-900);margin-bottom:14px;}
.cta-side ul{display:grid;gap:10px;margin-bottom:22px;}
.cta-side li{font-size:14px;color:var(--muted);display:flex;gap:10px;align-items:flex-start;}
.cta-side li i{color:var(--accent-600);margin-top:5px;font-size:13px;}
.cta-side .btn-brand{width:100%;}

/* ---------- faq ---------- */
.faq-wrap{max-width:920px;}
.accordion-item{
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  background:var(--surface);
  margin-bottom:12px;
  box-shadow:none;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-header{margin:0;}
.accordion-button{
  display:flex;
  align-items:center;
  gap:14px;
  width:100%;
  padding:20px 60px 20px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--brand-900);
  background:var(--surface);
  border:0;
  border-left:3px solid transparent;
  border-radius:0;
  text-align:left;
  position:relative;
  box-shadow:none;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.accordion-button:hover{background:var(--brand-100);}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(127,174,78,.35);border-color:var(--line);}
.accordion-button:not(.collapsed){
  background:var(--surface);
  color:var(--brand-900);
  border-left:3px solid var(--accent-500);
  box-shadow:none;
}
.accordion-button::after{display:none;}
.faq-num{
  flex-shrink:0;
  font-size:13px;
  font-weight:700;
  color:var(--accent-600);
  font-variant-numeric:tabular-nums;
  min-width:22px;
}
.faq-q{flex:1;line-height:1.55;}
.faq-icon{
  position:absolute;
  right:20px;
  top:50%;
  width:26px;
  height:26px;
  margin-top:-13px;
  border-radius:8px;
  background:var(--brand-100);
  transition:background .2s ease,transform .25s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--brand-700);
  border-radius:2px;
  transition:transform .25s ease,opacity .25s ease,background .2s ease;
}
.faq-icon::before{width:12px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:12px;transform:translate(-50%,-50%);}
.accordion-button:not(.collapsed) .faq-icon{background:var(--accent-100);}
.accordion-button:not(.collapsed) .faq-icon::before{background:var(--accent-600);}
.accordion-button:not(.collapsed) .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;background:var(--accent-600);}
.accordion-body{
  padding:0 60px 22px 60px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  background:var(--surface);
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand-900);
  color:#D7E3E7;
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{width:26px;height:26px;}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.site-footer p{font-size:14px;line-height:1.9;color:#B9CDD4;max-width:340px;}
.site-footer strong{
  display:block;
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-links,.footer-contact{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:#B9CDD4;}
.footer-links a:hover{color:var(--accent-500);}
.footer-contact li{font-size:14px;color:#B9CDD4;line-height:1.7;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:#93AEB8;
}

/* ---------- responsive ---------- */
@media (min-width:992px){
  .nav-collapse.collapse{display:flex !important;height:auto !important;}
}
@media (max-width:1199.98px){
  .hero-grid{gap:40px;}
  .case-card{padding:34px;gap:36px;}
  .cta-band{padding:44px;}
}
@media (max-width:991.98px){
  :root{--section-y:64px;}
  .nav-inner{min-height:74px;gap:12px;}
  .nav-toggle{display:inline-flex;}
  .nav-collapse{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 0 20px;
    border-top:1px solid var(--line);
    margin-top:8px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;margin-left:0;}
  .nav-list a{padding:13px 12px;border-radius:10px;font-size:15px;}
  .nav-list a::after{display:none;}
  .nav-list a.active{background:var(--brand-100);}
  .nav-actions{margin-top:14px;padding:0 12px;}
  .nav-actions .btn-brand{width:100%;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{aspect-ratio:16/10;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);}
  .stat-item:nth-child(odd){border-right:1px solid var(--line);}
  .stat-item:nth-last-child(-n+2){border-bottom:0;}
  .wall{grid-template-columns:repeat(2,1fr);}
  .wall-item--feature{grid-column:span 2;grid-row:auto;aspect-ratio:16/9;}
  .case-card{grid-template-columns:1fr;}
  .case-card--rev .case-media{order:0;}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px;}
  .page-hero{padding:44px 0 52px;}
  .hero-lead{font-size:16px;}
  .btn-brand,.btn-ghost{width:100%;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .section-head{margin-bottom:32px;}
  .wall{gap:12px;}
  .case-card{padding:22px;gap:24px;}
  .accordion-button{padding:16px 52px 16px 16px;font-size:16px;gap:10px;}
  .accordion-body{padding:0 18px 18px 46px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .hero-tags{gap:8px;}
  .tag{font-size:12px;padding:6px 12px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0 !important;border-bottom:1px solid var(--line);}
  .stat-item:last-child{border-bottom:0;}
  .wall{grid-template-columns:1fr;}
  .wall-item--feature{grid-column:span 1;aspect-ratio:4/3;}
  .wall-item{aspect-ratio:4/3;}
  .cta-band{padding:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-text{font-size:17px;}
}

/* roulang page: category3 */
:root{
  --brand-900:#183B4D;
  --brand-700:#285A72;
  --brand-500:#4B7E96;
  --brand-100:#E7F0F3;
  --accent-600:#5F9A3C;
  --accent-500:#7FAE4E;
  --accent-100:#EDF4E4;
  --ink:#1E2A30;
  --muted:#5E7078;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --line:#DCE6E7;
  --danger:#B45345;
  --r-card:16px;
  --r-big:20px;
  --r-btn:12px;
  --r-input:10px;
  --sh-card:0 10px 28px rgba(24,59,77,.08);
  --sh-card-hover:0 16px 40px rgba(24,59,77,.12);
  --sec-y:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent-600);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(127,174,78,.45);outline-offset:2px;}
.wrap{width:100%;max-width:1220px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(24,59,77,.09);}
.nav-inner{display:flex;align-items:center;gap:26px;min-height:80px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:27px;height:27px;flex:0 0 auto;}
.brand-text{font-size:19px;font-weight:700;color:var(--brand-900);letter-spacing:normal;white-space:nowrap;}
.brand:hover .brand-text{color:var(--brand-700);}
.nav-collapse{display:flex;align-items:center;flex:1 1 auto;justify-content:flex-end;gap:34px;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-list a{
  display:inline-block;position:relative;
  padding:8px 2px;font-size:15px;color:var(--ink);font-weight:500;
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent-500);border-radius:2px;transform:scaleX(0);
  transform-origin:left center;transition:transform .2s ease;
}
.nav-list a:hover{color:var(--brand-700);}
.nav-list a:hover::after,.nav-list a.active::after{transform:scaleX(1);}
.nav-list a.active{color:var(--brand-900);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:var(--brand-700);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--brand-700);cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-brand:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(24,59,77,.2);}
.btn-brand:active{transform:translateY(0);box-shadow:none;}
.btn-brand.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--surface);color:var(--brand-700);
  border:1px solid var(--brand-500);font-size:15px;font-weight:600;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px);}
.btn-ghost.btn-sm{height:44px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;
  background:var(--brand-100);border:1px solid var(--line);position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:20px;height:2px;border-radius:2px;
  background:var(--brand-900);transform:translateX(-50%);
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;left:0;transform:none;}
.nav-toggle span::after{top:6px;left:0;transform:none;}

/* ---------- section basics ---------- */
.section{padding:var(--sec-y) 0;}
.section-alt{background:var(--surface);}
.sec-head{max-width:780px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--accent-600);
  background:var(--accent-100);border-radius:999px;padding:6px 14px;
  margin-bottom:16px;letter-spacing:.4px;
}
.eyebrow-line{width:16px;height:2px;background:var(--accent-500);border-radius:2px;}
h2.sec-title{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--brand-900);}
.sec-desc{margin-top:14px;font-size:16px;color:var(--muted);max-width:760px;}

/* ---------- hero ---------- */
.page-hero{position:relative;isolation:isolate;overflow:hidden;background:var(--brand-900);}
.page-hero-img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;z-index:-2;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(24,59,77,.94) 0%,rgba(24,59,77,.86) 46%,rgba(40,90,114,.52) 100%);
}
.hero-inner{padding:78px 0 72px;max-width:820px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.crumbs a{color:rgba(255,255,255,.86);}
.crumbs a:hover{color:#fff;}
.page-hero .eyebrow{background:rgba(127,174,78,.2);color:#D8EBC4;}
.page-hero .eyebrow-line{background:var(--accent-500);}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);line-height:1.22;font-weight:700;color:#fff;
  letter-spacing:normal;
}
.page-hero p.lead{
  margin-top:20px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);max-width:700px;
}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-fact{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:13px;border-radius:999px;padding:8px 16px;
}
.dot-green{width:7px;height:7px;border-radius:50%;background:var(--accent-500);flex:0 0 auto;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0;max-width:900px;}
.timeline::before{
  content:"";position:absolute;left:27px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--accent-500),var(--brand-100));border-radius:2px;
}
.tl-item{position:relative;display:flex;gap:24px;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  flex:0 0 auto;width:56px;height:56px;border-radius:50%;
  background:var(--surface);border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--brand-700);
  font-variant-numeric:tabular-nums;position:relative;z-index:1;
  transition:border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.tl-item:hover .tl-num{border-color:var(--accent-500);color:var(--accent-600);box-shadow:0 8px 20px rgba(95,154,60,.16);}
.tl-body{
  flex:1 1 auto;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 26px;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-item:hover .tl-body{transform:translateY(-3px);box-shadow:var(--sh-card-hover);border-color:#CADDE1;}
.tl-body h3{font-size:19px;font-weight:600;color:var(--brand-900);line-height:1.45;}
.tl-meta{
  display:inline-block;margin:10px 0 12px;font-size:13px;font-weight:600;
  color:var(--accent-600);background:var(--accent-100);border-radius:999px;padding:4px 12px;
}
.tl-body p{font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- materials ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.mat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 30px;box-shadow:var(--sh-card);
}
.mat-card h3{font-size:18px;font-weight:600;color:var(--brand-900);margin-bottom:16px;}
.mat-list li{
  position:relative;padding-left:30px;margin-bottom:14px;font-size:15px;color:var(--muted);line-height:1.8;
}
.mat-list li:last-child{margin-bottom:0;}
.mat-list li::before{
  content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;
  background:var(--accent-100);border:1px solid var(--accent-500);
}
.mat-list li::after{
  content:"";position:absolute;left:4.5px;top:13px;width:6.5px;height:3.5px;
  border-left:2px solid var(--accent-600);border-bottom:2px solid var(--accent-600);
  transform:rotate(-45deg);
}
.mat-list li strong{color:var(--ink);font-weight:600;}
.mat-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px;}
.mat-media{
  border-radius:var(--r-big);overflow:hidden;box-shadow:var(--sh-card);
  border:1px solid var(--line);background:var(--brand-100);
}
.mat-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .4s ease;}
.mat-media:hover img{transform:scale(1.03);}

/* ---------- table ---------- */
.table-scroll{
  overflow-x:auto;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);
}
table.sched{width:100%;min-width:720px;border-collapse:collapse;font-size:15px;}
table.sched thead th{
  background:var(--brand-100);color:var(--brand-900);
  font-weight:600;font-size:14px;text-align:left;
  padding:16px 22px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.sched tbody td{
  padding:16px 22px;border-bottom:1px solid var(--line);color:var(--muted);line-height:1.75;vertical-align:top;
}
table.sched tbody tr:last-child td{border-bottom:none;}
table.sched tbody tr:hover td{background:#FAFCFB;}
table.sched td.stage{color:var(--ink);font-weight:600;white-space:nowrap;}
.tag-soft{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand-700);
  background:var(--brand-100);border-radius:999px;padding:3px 11px;white-space:nowrap;
}

/* ---------- notes ---------- */
.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.note-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 26px 24px;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease;
}
.note-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);}
.note-idx{
  font-size:13px;font-weight:700;color:var(--accent-600);
  font-variant-numeric:tabular-nums;letter-spacing:.6px;
}
.note-card h3{font-size:17px;font-weight:600;color:var(--brand-900);margin:10px 0 10px;}
.note-card p{font-size:14px;color:var(--muted);line-height:1.85;}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--accent-100) 0%,#E9F2F5 62%,var(--brand-100) 100%);
  border-radius:var(--r-big);
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  border:1px solid #DCE9DA;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;color:var(--brand-900);font-weight:700;}
.cta-band p{margin-top:12px;font-size:15px;color:var(--muted);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:72px 0 30px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:700;}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:340px;}
.site-footer strong{display:block;color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.75);font-size:14px;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{margin-bottom:11px;font-size:14px;color:rgba(255,255,255,.75);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .wrap{max-width:1100px;}
  .split{gap:32px;}
}
@media (max-width:991px){
  :root{--sec-y:66px;}
  .nav-toggle{display:block;}
  .nav-collapse{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;
    background:var(--surface);border-bottom:1px solid var(--line);
    box-shadow:0 18px 32px rgba(24,59,77,.12);
    padding:18px 24px 24px;gap:16px;
  }
  .nav-collapse.collapse:not(.show){display:none;}
  .nav-collapse.show{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-list a{padding:12px 4px;font-size:16px;border-bottom:1px solid var(--line);}
  .nav-list a::after{display:none;}
  .nav-list a.active{color:var(--accent-600);}
  .nav-actions{flex-direction:column;align-items:stretch;}
  .nav-actions .btn-brand{width:100%;}
  .split{grid-template-columns:1fr;}
  .note-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
}
@media (max-width:767px){
  :root{--sec-y:52px;}
  .wrap{padding:0 18px;}
  .nav-inner{min-height:70px;}
  .brand-text{font-size:17px;}
  .hero-inner{padding:54px 0 50px;}
  .page-hero p.lead{font-size:15.5px;}
  .timeline::before{left:21px;}
  .tl-item{gap:16px;padding-bottom:26px;}
  .tl-num{width:44px;height:44px;font-size:14px;}
  .tl-body{padding:20px 20px;}
  .mat-card{padding:22px 20px;}
  .mat-grid{grid-template-columns:1fr;}
  .note-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:52px 0 24px;}
}
@media (max-width:520px){
  h1{font-size:29px;}
  .hero-facts{gap:8px;}
  .hero-fact{font-size:12px;padding:6px 12px;}
}

/* roulang page: category4 */
:root{
  --brand-900:#183B4D;
  --brand-700:#285A72;
  --brand-500:#4B7E96;
  --brand-100:#E7F0F3;
  --accent-600:#5F9A3C;
  --accent-500:#7FAE4E;
  --accent-100:#EDF4E4;
  --ink:#1E2A30;
  --muted:#5E7078;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --line:#DCE6E7;
  --danger:#B45345;
  --danger-100:#F7ECE9;
  --radius-card:16px;
  --radius-big:20px;
  --radius-btn:12px;
  --shadow-card:0 10px 28px rgba(24,59,77,.08);
  --shadow-hover:0 16px 40px rgba(24,59,77,.12);
  --space-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease,background-color .18s ease}
a:hover{color:var(--accent-600)}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;color:var(--brand-900);font-weight:700;letter-spacing:normal}
h1{font-size:clamp(32px,4.6vw,50px);line-height:1.2}
h2{font-size:clamp(24px,3vw,34px);line-height:1.32}
h3{font-size:19px;line-height:1.5;font-weight:600}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--space-section) 0}
.section-alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head p{color:var(--muted);font-size:16px;margin-top:14px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--accent-600);
  background:var(--accent-100);border-radius:999px;
  padding:5px 14px;margin-bottom:16px;letter-spacing:.04em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(24,59,77,.09)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:80px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:26px;height:26px;flex:0 0 auto}
.brand-text{font-size:19px;font-weight:700;color:var(--brand-900);line-height:1.2;white-space:nowrap}
.brand:hover .brand-text{color:var(--brand-700)}
.nav-collapse{display:flex;align-items:center;justify-content:flex-end;gap:30px;flex:1 1 auto}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-list a{
  display:inline-block;position:relative;
  padding:9px 13px;border-radius:10px;
  font-size:15px;color:var(--ink);
}
.nav-list a:hover{color:var(--brand-700);background:var(--brand-100)}
.nav-list a.active{color:var(--brand-900);font-weight:600}
.nav-list a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:46px;height:46px;padding:0;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  cursor:pointer;
}
.nav-toggle span,.nav-toggle::before,.nav-toggle::after{
  content:"";display:block;width:20px;height:2px;border-radius:2px;background:var(--brand-700);
  transition:transform .2s ease,opacity .2s ease;
}

/* ---------- buttons ---------- */
.btn-brand,.btn-ghost,.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-brand{background:var(--brand-700);color:#fff;box-shadow:0 8px 20px rgba(24,59,77,.14)}
.btn-brand:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(24,59,77,.22)}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 14px rgba(24,59,77,.16)}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--brand-500)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-900);box-shadow:0 10px 24px rgba(0,0,0,.14)}
.btn-light:hover{background:var(--accent-100);color:var(--brand-900);transform:translateY(-2px)}
.btn-brand:focus-visible,.btn-ghost:focus-visible,.btn-light:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(127,174,78,.38);
}
.btn-sm{height:46px;padding:0 20px;font-size:15px}
.btn-block{width:100%}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  background:
    linear-gradient(180deg,rgba(237,244,228,.92) 0%,rgba(245,247,244,.96) 62%,rgba(245,247,244,1) 100%),
    url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  padding:64px 0 72px;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.4fr .85fr;gap:52px;align-items:center}
.page-hero h1{margin-bottom:18px}
.page-hero .lead{
  font-size:17px;color:var(--muted);line-height:1.9;
  max-width:640px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;color:var(--brand-700);
  background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;
}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--accent-500);display:inline-block}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-big);box-shadow:var(--shadow-card);
}
.hero-badge{
  position:absolute;left:-14px;bottom:20px;
  background:#fff;border-radius:14px;padding:12px 18px;
  box-shadow:var(--shadow-card);border-left:3px solid var(--accent-500);
}
.hero-badge strong{display:block;font-size:15px;color:var(--brand-900)}
.hero-badge span{font-size:13px;color:var(--muted)}

/* ---------- rule cards ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rule-card{
  background:var(--surface);border-radius:var(--radius-card);
  padding:30px 26px 28px;box-shadow:var(--shadow-card);
  border-top:3px solid var(--line);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rule-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-top-color:var(--accent-500)}
.rule-num{
  display:inline-block;font-size:13px;font-weight:700;color:var(--accent-600);
  letter-spacing:.1em;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.rule-card h3{margin-bottom:12px}
.rule-card p{color:var(--muted);font-size:15px;line-height:1.85}
.rule-card ul{list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:9px}
.rule-card li{position:relative;padding-left:18px;font-size:14.5px;color:var(--muted)}
.rule-card li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--accent-500);
}

/* ---------- note grid ---------- */
.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.note-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 28px;box-shadow:0 6px 18px rgba(24,59,77,.05);
}
.note-card .note-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;border-radius:999px;padding:5px 13px;margin-bottom:16px;
}
.note-ok .note-tag{background:var(--accent-100);color:var(--accent-600)}
.note-warn .note-tag{background:var(--danger-100);color:var(--danger)}
.note-card h3{margin-bottom:16px;font-size:20px}
.note-card ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.note-card li{
  position:relative;padding-left:22px;font-size:15px;color:var(--muted);line-height:1.8;
}
.note-ok li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;
  border:2px solid var(--accent-500);background:var(--accent-100);
}
.note-warn li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;
  border:2px solid var(--danger);background:var(--danger-100);
}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:48px;align-items:start}
.faq-aside{
  position:sticky;top:104px;
  background:var(--brand-100);border-radius:var(--radius-big);
  padding:30px 26px;
}
.faq-aside h2{font-size:24px;margin-bottom:14px}
.faq-aside p{font-size:15px;color:var(--brand-700);line-height:1.85}
.faq-aside .aside-list{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:11px}
.faq-aside .aside-list li{
  font-size:14px;color:var(--brand-700);padding-left:16px;position:relative;
}
.faq-aside .aside-list li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--accent-600);
}

.rule-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;box-shadow:0 6px 18px rgba(24,59,77,.05);
}
.rule-accordion .accordion-item:last-child{margin-bottom:0}
.rule-accordion .accordion-header{margin:0;font-size:inherit}
.rule-accordion .accordion-button{
  position:relative;
  display:flex;align-items:flex-start;gap:14px;
  width:100%;padding:19px 58px 19px 20px;
  background:#fff;color:var(--ink);
  font-size:16.5px;font-weight:600;line-height:1.55;
  border:0;border-left:3px solid transparent;border-radius:0;
  box-shadow:none;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.rule-accordion .accordion-button:not(.collapsed){
  background:#F7FAF3;color:var(--brand-900);
  border-left-color:var(--accent-500);
  box-shadow:none;
}
.rule-accordion .accordion-button:hover{background:var(--brand-100)}
.rule-accordion .accordion-button:focus{
  outline:none;box-shadow:0 0 0 3px rgba(127,174,78,.3);
  border-left-color:var(--accent-500);
}
.rule-accordion .accordion-button::after{
  content:"+";
  position:absolute;right:18px;top:18px;
  width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  background-image:none;background-color:transparent;
  color:var(--brand-700);font-size:20px;font-weight:400;line-height:1;
  transform:none;margin:0;
  transition:color .2s ease,background-color .2s ease;
}
.rule-accordion .accordion-button:not(.collapsed)::after{
  content:"−";color:var(--accent-600);
}
.faq-num{
  flex:0 0 auto;min-width:34px;height:24px;margin-top:2px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent-100);color:var(--accent-600);
  border-radius:999px;font-size:12.5px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.faq-q{flex:1 1 auto}
.rule-accordion .accordion-body{
  padding:4px 24px 22px 68px;
  color:var(--muted);font-size:15.5px;line-height:1.85;
  border-top:1px solid var(--line);
  background:#fff;
}
.rule-accordion .accordion-body p{margin-bottom:12px}
.rule-accordion .accordion-body p:last-child{margin-bottom:0}
.rule-accordion .accordion-body strong{color:var(--brand-900);font-weight:600}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.contact-copy h2{margin-bottom:16px}
.contact-copy p{color:var(--muted);font-size:16px;max-width:520px}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-big);
  padding:32px;box-shadow:var(--shadow-card);
}
.contact-card h3{font-size:18px;margin-bottom:20px}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:18px}
.contact-list li{display:flex;gap:14px;align-items:flex-start}
.contact-icon{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;
  background:var(--brand-100);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;
}
.contact-list strong{display:block;font-size:14px;color:var(--muted);font-weight:600;line-height:1.6}
.contact-list span{font-size:16px;color:var(--brand-900);font-weight:600;line-height:1.6}

/* ---------- cta ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-big);
  padding:56px 52px;
  display:grid;grid-template-columns:1.5fr auto;gap:36px;align-items:center;
  background:
    linear-gradient(100deg,rgba(24,59,77,.95) 0%,rgba(40,90,114,.86) 60%,rgba(75,126,150,.78) 100%),
    url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
  color:#fff;
}
.cta-panel h2{color:#fff;margin-bottom:14px}
.cta-panel p{color:#C9DBE2;font-size:16px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:#D9E6EA;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:18px}
.footer-grid p{font-size:14px;line-height:1.85;color:#B7CAD1;max-width:340px}
.footer-grid strong{display:block;color:#fff;font-size:15px;margin-bottom:16px}
.footer-links,.footer-contact{list-style:none;display:flex;flex-direction:column;gap:11px;font-size:14px;color:#B7CAD1}
.footer-links a{color:#B7CAD1}
.footer-links a:hover{color:#fff}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);
  margin-top:48px;padding-top:22px;font-size:13px;color:#9DB4BC;
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:40px;grid-template-columns:1.3fr .9fr}
  .faq-layout{gap:36px}
}
@media (max-width:991.98px){
  :root{--space-section:64px}
  .nav-toggle{display:inline-flex}
  .nav-collapse{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 20px 34px rgba(24,59,77,.12);
    padding:16px 20px 22px;z-index:55;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-list a{padding:12px 14px;font-size:15.5px;border-radius:10px}
  .nav-list a.active{background:var(--brand-100)}
  .nav-list a.active::after{display:none}
  .nav-actions{margin-top:16px}
  .nav-actions .btn-brand{width:100%}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .page-hero{padding:48px 0 56px}
  .hero-media img{aspect-ratio:16/10}
  .hero-badge{left:14px;bottom:14px}
  .rule-grid{grid-template-columns:1fr 1fr}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-aside{position:static}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .cta-panel{grid-template-columns:1fr;padding:44px 34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .rule-grid{grid-template-columns:1fr}
  .note-grid{grid-template-columns:1fr}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .rule-accordion .accordion-button{padding:16px 50px 16px 16px;font-size:15.5px;gap:11px}
  .rule-accordion .accordion-button::after{right:14px;top:15px}
  .rule-accordion .accordion-body{padding:4px 18px 20px 18px}
  .cta-panel{padding:36px 24px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn-light,.cta-actions .btn-ghost{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575.98px){
  :root{--space-section:48px}
  .brand-text{font-size:17px}
  .hero-media img{aspect-ratio:4/3}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .contact-card,.rule-card,.note-card{padding:24px 20px}
  .faq-aside{padding:24px 20px}
}