/* roulang page: index */
:root{
  --primary:#0FA99B;
  --primary-dark:#087F76;
  --primary-soft:#E4F6F3;
  --accent:#FF5A1F;
  --lime:#C9F24A;
  --bg:#F4F6F1;
  --card:#FFFFFF;
  --dark:#101418;
  --ink:#1B2228;
  --muted:#667078;
  --line:#DCE3DD;
  --radius-hero:28px;
  --radius-lg:24px;
  --radius-card:18px;
  --radius-faq:16px;
  --radius-sm:12px;
  --shadow-sm:0 12px 30px rgba(16,20,24,.08);
  --shadow-md:0 18px 40px rgba(16,20,24,.14);
  --space-section:72px;
  --bs-primary:#0FA99B;
  --bs-body-bg:#F4F6F1;
  --bs-body-color:#1B2228;
  --bs-border-radius:14px;
  --bs-link-color:#087F76;
  --bs-link-hover-color:#0FA99B;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;color:var(--ink);margin:0;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:var(--space-section) 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary-dark);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--primary);border-radius:2px;display:inline-block;}
.section-head h2{font-size:clamp(1.5rem,2.2vw,2.2rem);line-height:1.3;}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;margin-bottom:0;}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-size:15px;font-weight:700;line-height:1.2;
  border-radius:var(--radius-sm);border:1px solid transparent;
  padding:14px 24px;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-main{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(15,169,155,.28);}
.btn-main:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(8,127,118,.32);}
.btn-main:active{transform:translateY(0);}
.btn-hot{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.26);}
.btn-hot:hover{background:#E44C15;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.38);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-line:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-sm{padding:11px 18px;font-size:14px;border-radius:10px;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14.5px;color:var(--primary-dark);}
.link-more svg{transition:transform .22s ease;}
.link-more:hover{color:var(--primary);}
.link-more:hover svg{transform:translateX(6px);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1050;padding:16px 0;transition:padding .25s ease;}
.site-header.scrolled{padding:8px 0;}
.nav-shell{
  width:calc(100% - 32px);max-width:1240px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  min-height:66px;padding:8px 10px 8px 22px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(16,20,24,.08);
  border-radius:999px;
  box-shadow:0 12px 30px rgba(16,20,24,.08);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.scrolled .nav-shell{box-shadow:0 18px 40px rgba(16,20,24,.14);background:rgba(255,255,255,.96);}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.1;flex-shrink:0;}
.brand-mark{font-size:17px;font-weight:800;letter-spacing:.06em;color:var(--dark);}
.brand-sub{font-size:11.5px;font-weight:600;letter-spacing:.16em;color:var(--primary-dark);}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;}
.nav-link{
  display:inline-flex;align-items:center;
  padding:10px 15px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:#3B464D;white-space:nowrap;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark);}
.nav-link.active{background:var(--primary);color:#fff;font-weight:700;box-shadow:0 8px 18px rgba(15,169,155,.26);}
.nav-cta{flex-shrink:0;padding:12px 20px;font-size:14.5px;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;flex-shrink:0;
  border:1px solid var(--line);background:#fff;border-radius:14px;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;width:calc(100% - 32px);max-width:1280px;margin:0 auto var(--space-section);
  border-radius:var(--radius-hero);overflow:hidden;background:var(--dark);color:#fff;
  padding:64px 0 52px;isolation:isolate;
}
.hero-bg{position:absolute;inset:0;z-index:-2;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.42;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,#101418 6%,rgba(16,20,24,.9) 40%,rgba(16,20,24,.42) 100%);
}
.hero-bg::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(201,242,74,.12) 0 2px,transparent 2px 46px);
  opacity:.5;
}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px;border-radius:999px;
  background:rgba(201,242,74,.14);border:1px solid rgba(201,242,74,.42);
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--lime);
  margin-bottom:22px;
}
.hero h1{
  color:#fff;font-size:clamp(2.1rem,4.2vw,3.6rem);line-height:1.16;letter-spacing:-.025em;
  margin-bottom:22px;
}
.hero h1 .hl{position:relative;color:#fff;white-space:nowrap;}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;
  background:var(--lime);opacity:.32;border-radius:4px;z-index:-1;
}
.hero-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;}
.hero-points li{
  font-size:13.5px;color:rgba(255,255,255,.78);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  padding:7px 14px;border-radius:999px;
}
.hero-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);padding:14px;box-shadow:0 24px 60px rgba(0,0,0,.34);
}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;}
.hero-card figcaption{padding:16px 8px 6px;display:flex;align-items:center;justify-content:space-between;gap:14px;}
.hero-card strong{font-size:15.5px;color:#fff;font-weight:700;}
.hero-card span{font-size:12.5px;color:var(--lime);font-weight:700;letter-spacing:.08em;white-space:nowrap;}
.hero-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  margin-top:52px;padding-top:30px;border-top:1px solid rgba(255,255,255,.14);
}
.strip-item{display:flex;gap:14px;align-items:flex-start;}
.strip-num{font-size:13px;font-weight:800;color:var(--lime);letter-spacing:.1em;padding-top:3px;}
.strip-item strong{display:block;font-size:15px;color:#fff;margin-bottom:4px;}
.strip-item p{font-size:13.5px;color:rgba(255,255,255,.66);margin:0;line-height:1.7;}

/* ---------- 合集目录 ---------- */
.toc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0 44px;}
.toc-item{display:block;padding:24px 0 26px;border-top:1px solid var(--line);}
.toc-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;}
.toc-num{font-size:13px;font-weight:800;letter-spacing:.16em;color:#A8B3AD;transition:color .2s ease;}
.toc-count{font-size:12.5px;color:var(--muted);}
.toc-item h3{font-size:19px;margin:12px 0 8px;transition:color .2s ease;}
.toc-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}
.toc-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--primary-dark);margin-top:14px;}
.toc-arrow svg{transition:transform .22s ease;}
.toc-item:hover .toc-num{color:var(--primary);}
.toc-item:hover h3{color:var(--primary-dark);}
.toc-item:hover .toc-arrow svg{transform:translateX(6px);}

/* ---------- 精选条目 ---------- */
.featured-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.f-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary);}
.f-card figure{margin:0;overflow:hidden;}
.f-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.f-card:hover img{transform:scale(1.03);}
.f-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.f-tag{
  align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.06em;
  background:var(--primary-soft);color:var(--primary-dark);border-radius:999px;padding:4px 12px;
}
.f-card h3{font-size:19px;line-height:1.45;}
.f-card p{font-size:14.2px;color:var(--muted);margin:0;line-height:1.75;}
.f-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;font-size:12.8px;color:#8B969C;}
.f-card-lg{grid-column:span 7;}
.f-card-lg img{aspect-ratio:16/9;}
.f-card-lg h3{font-size:24px;}
.f-side{grid-column:span 5;display:grid;gap:24px;}
.f-side .f-card img{aspect-ratio:16/9;}
.f-wide{grid-column:span 4;}
.f-wide .f-body{padding:18px 20px 20px;}
.f-wide h3{font-size:17px;}

/* ---------- 最新信息 ---------- */
.latest-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:12px 28px;box-shadow:var(--shadow-sm);
}
.news-row{
  display:grid;grid-template-columns:132px 1fr auto 28px;align-items:center;gap:22px;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.news-row:last-child{border-bottom:0;}
.news-date{font-size:13px;font-weight:700;color:#8B969C;letter-spacing:.04em;}
.news-title{display:block;font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;}
.news-desc{display:block;font-size:13.8px;color:var(--muted);margin-top:5px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-cat{font-size:12px;font-weight:700;color:var(--primary-dark);background:var(--primary-soft);border-radius:999px;padding:4px 12px;white-space:nowrap;}
.news-arrow{color:var(--primary);display:flex;justify-content:center;transition:transform .22s ease;}
.news-row:hover{background:#FAFBF8;}
.news-row:hover .news-title{color:var(--primary-dark);}
.news-row:hover .news-arrow{transform:translateX(6px);}
.news-empty{
  border:2px dashed var(--line);border-radius:var(--radius-faq);
  padding:46px 24px;text-align:center;
}
.news-empty .empty-ico{
  width:56px;height:56px;border-radius:50%;background:var(--primary-soft);color:var(--primary-dark);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.news-empty strong{display:block;font-size:16px;margin-bottom:8px;}
.news-empty p{color:var(--muted);font-size:14px;margin-bottom:18px;}
.latest-foot{display:flex;justify-content:center;margin-top:28px;}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.r-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.r-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary);}
.r-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease;}
.r-card:hover img{transform:scale(1.04);}
.r-body{padding:16px 18px 18px;}
.r-body span{font-size:12px;font-weight:700;color:var(--primary-dark);letter-spacing:.05em;}
.r-body h3{font-size:15.5px;line-height:1.55;margin-top:8px;}
.r-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:12.5px;color:#8B969C;}
.r-foot svg{transition:transform .22s ease;color:var(--primary);}
.r-card:hover .r-foot svg{transform:translateX(5px);}

/* ---------- 收藏 CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#E4F6F3 0%,#F0FAF7 58%,#EDF7E8 100%);
  border:1px solid #CFE9E2;border-radius:var(--radius-lg);
  padding:46px 48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,169,155,.16),transparent 68%);
}
.cta-band h2{font-size:clamp(1.4rem,2vw,1.95rem);margin-bottom:12px;}
.cta-band p{color:#4C5A57;font-size:15px;margin:0;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-tip{font-size:13px;color:var(--primary-dark);font-weight:700;margin-top:12px;min-height:20px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:var(--radius-faq)!important;
  overflow:hidden;margin-bottom:14px;background:var(--card);
  box-shadow:0 6px 18px rgba(16,20,24,.04);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  font-size:16.5px;font-weight:700;color:var(--ink);background:var(--card);
  padding:20px 24px;box-shadow:none!important;border-radius:var(--radius-faq)!important;
}
.accordion-button:not(.collapsed){background:var(--primary-soft);color:var(--primary-dark);}
.accordion-button:focus{outline:2px solid var(--primary);outline-offset:-2px;}
.accordion-button::after{
  background-image:none!important;content:"+";flex:0 0 28px;width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  font-size:21px;font-weight:700;line-height:1;color:var(--primary);transform:none;
}
.accordion-button:not(.collapsed)::after{content:"−";color:var(--primary-dark);transform:none;}
.accordion-body{padding:6px 24px 22px;font-size:15px;color:var(--muted);line-height:1.85;background:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:var(--space-section);position:relative;}
.footer-track{height:4px;background:repeating-linear-gradient(90deg,var(--primary) 0 44px,var(--lime) 44px 60px,var(--accent) 60px 78px,transparent 78px 96px);opacity:.85;}
.footer-inner{padding:60px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand-mark{color:#fff;font-size:18px;}
.footer-brand .brand-sub{color:var(--lime);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:16px 0 0;max-width:320px;}
.footer-col h3{font-size:14.5px;font-weight:800;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--primary);}
.footer-col p{font-size:13.8px;line-height:1.85;color:rgba(255,255,255,.58);margin:0 0 10px;}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.48);
}
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--primary-dark);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .2s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--primary);color:#fff;border-color:var(--primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-link{padding:9px 12px;font-size:14px;}
  .toc-grid{grid-template-columns:repeat(2,1fr);gap:0 36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  :root{--space-section:56px;}
  .nav-menu{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:12px;box-shadow:var(--shadow-md);
    display:none;
  }
  .nav-menu.open{display:flex;}
  .nav-link{padding:13px 16px;border-radius:12px;font-size:15px;min-height:44px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-shell{position:relative;padding:8px 10px 8px 18px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero{padding:48px 0 42px;}
  .hero-card{max-width:520px;}
  .hero-strip{grid-template-columns:1fr;gap:16px;margin-top:40px;}
  .f-card-lg,.f-side,.f-wide{grid-column:span 12;}
  .f-side{grid-template-columns:1fr 1fr;gap:24px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;}
  .news-row{grid-template-columns:1fr 28px;gap:8px 16px;padding:20px 0;}
  .news-date{grid-column:1 / 2;font-size:12.5px;}
  .news-cat{grid-column:1 / 2;justify-self:start;}
  .news-arrow{grid-column:2 / 3;grid-row:1 / span 3;align-self:center;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
  .hero{width:calc(100% - 24px);border-radius:22px;}
  .hero h1{font-size:clamp(1.85rem,6.4vw,2.4rem);}
  .hero-lead{font-size:15.5px;}
  .f-side{grid-template-columns:1fr;}
  .latest-wrap{padding:10px 18px;border-radius:18px;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  :root{--space-section:46px;}
  .toc-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .hero-card figcaption{flex-direction:column;align-items:flex-start;gap:6px;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head h2{font-size:1.45rem;}
  .btn{padding:13px 20px;font-size:14.5px;}
}

/* roulang page: category1 */
:root{
  --primary:#0FA99B;
  --primary-dark:#087F76;
  --primary-soft:#E3F5F2;
  --primary-line:#B9E6E0;
  --accent:#FF5A1F;
  --accent-soft:#FFEDE5;
  --lime:#C9F24A;
  --bg:#F4F6F1;
  --card:#FFFFFF;
  --dark:#101418;
  --dark-2:#1A2027;
  --text:#1B2228;
  --muted:#667078;
  --border:#DCE3DD;
  --radius-hero:28px;
  --radius-cover:24px;
  --radius-card:18px;
  --radius-faq:16px;
  --radius-sm:12px;
  --shadow-1:0 12px 30px rgba(16,20,24,.08);
  --shadow-2:0 18px 40px rgba(16,20,24,.14);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --bs-primary:#0FA99B;
  --bs-primary-rgb:15,169,155;
  --bs-body-bg:#F4F6F1;
  --bs-body-color:#1B2228;
  --bs-border-color:#DCE3DD;
  --bs-border-radius:12px;
  --bs-link-color:#087F76;
  --bs-link-hover-color:#0FA99B;
  --bs-font-sans-serif:var(--font-sans);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease;}
a:hover{color:var(--primary);}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:800;line-height:1.25;letter-spacing:-.02em;margin:0;color:var(--text);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:min(1240px,calc(100% - 40px));margin:0 auto;}
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
[id]{scroll-margin-top:110px;}

/* ---------- 头部胶囊导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  padding:18px 0;
  transition:padding .25s ease;
}
.site-header.is-stuck{padding:10px 0;}
.nav-shell{
  width:min(1240px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:11px 14px 11px 22px;
  border-radius:999px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(16,20,24,.08);
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck .nav-shell{
  background:rgba(255,255,255,.95);
  box-shadow:var(--shadow-2);
}
.brand{
  display:flex;
  align-items:baseline;
  gap:8px;
  margin-right:auto;
  white-space:nowrap;
}
.brand-mark{
  font-size:18px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--dark);
  line-height:1.1;
}
.brand-sub{
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--primary-dark);
  background:var(--primary-soft);
  border-radius:999px;
  padding:3px 10px;
  line-height:1.4;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:9px 16px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark);}
.nav-link.active{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(15,169,155,.28);}
.nav-link.active:hover{background:var(--primary-dark);color:#fff;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-sm);
  font-weight:700;
  font-size:15px;
  line-height:1.4;
  padding:13px 24px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-main{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(15,169,155,.24);}
.btn-main:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(8,127,118,.3);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.4);}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--text);border:1px solid var(--border);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(255,90,31,.25);}
.btn-accent:hover{background:#E84A12;color:#fff;transform:translateY(-2px);}
.nav-cta{padding:11px 22px;font-size:14px;white-space:nowrap;}
.nav-toggle{
  display:none;
  width:46px;height:46px;
  border-radius:50%;
  border:1px solid var(--border);
  background:#fff;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  padding:0;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  display:block;
  width:18px;height:2px;
  background:var(--text);
  border-radius:2px;
  position:relative;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle span::before,
.nav-toggle span::after{content:"";position:absolute;left:0;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  width:min(1320px,calc(100% - 24px));
  margin:12px auto 0;
  border-radius:var(--radius-hero);
  overflow:hidden;
  color:#fff;
  background:
    linear-gradient(115deg,rgba(16,20,24,.95) 0%,rgba(16,20,24,.82) 46%,rgba(16,20,24,.58) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(201,242,74,.22) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.5;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:1;
  padding:150px 0 64px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-bottom:26px;
  padding:0;
  background:transparent;
}
.breadcrumb a{color:rgba(255,255,255,.8);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb span.sep{opacity:.5;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--dark);
  background:var(--lime);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(2.1rem,4.2vw,3.5rem);
  letter-spacing:-.02em;
  max-width:15em;
  margin-bottom:22px;
}
.page-hero h1 .hl{
  position:relative;
  color:var(--lime);
  white-space:nowrap;
}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
  max-width:42em;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  margin-top:52px;
  border-top:1px solid rgba(255,255,255,.16);
  padding-top:26px;
}
.hero-stat{padding-right:20px;}
.hero-stat + .hero-stat{border-left:1px solid rgba(255,255,255,.14);padding-left:26px;}
.hero-stat strong{
  display:block;
  font-size:24px;
  font-weight:800;
  color:var(--lime);
  letter-spacing:-.01em;
  margin-bottom:4px;
}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.72);}

/* ---------- 板块标题 ---------- */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head .titles{max-width:640px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--primary-dark);
  background:var(--primary-soft);
  border-radius:999px;
  padding:5px 12px;
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(1.5rem,2.2vw,2.15rem);
  margin-bottom:10px;
}
.section-head p{color:var(--muted);font-size:15px;margin:0;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  font-size:15px;
  color:var(--primary-dark);
  white-space:nowrap;
}
.text-link i{transition:transform .22s ease;}
.text-link:hover i{transform:translateX(6px);}

/* ---------- 三步流程 ---------- */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:30px 26px 28px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary);}
.step-num{
  font-size:46px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.04em;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.step-card h3{font-size:20px;margin-bottom:10px;}
.step-card p{color:var(--muted);font-size:15px;margin:0;}
.step-card::after{
  content:"";
  position:absolute;
  right:22px;top:26px;
  width:34px;height:2px;
  background:var(--primary-line);
  border-radius:2px;
}

/* ---------- 入口卡片 ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.entry-card{
  display:flex;
  gap:20px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary);}
.entry-thumb{
  flex:0 0 132px;
  width:132px;
  height:112px;
  border-radius:14px;
  overflow:hidden;
  background:linear-gradient(135deg,var(--primary-soft),#F7FBF9);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.entry-card:hover .entry-thumb img{transform:scale(1.06);}
.entry-body{flex:1;min-width:0;}
.entry-tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  color:var(--primary-dark);
  background:var(--primary-soft);
  border-radius:999px;
  padding:3px 10px;
  margin-bottom:10px;
}
.entry-body h3{font-size:18px;margin-bottom:8px;}
.entry-body p{color:var(--muted);font-size:14.5px;margin:0 0 12px;}
.entry-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--primary-dark);
}
.entry-link i{font-size:12px;transition:transform .22s ease;}
.entry-card:hover .entry-link i{transform:translateX(5px);}

/* ---------- 提示区 ---------- */
.tips-wrap{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:32px;
  align-items:stretch;
}
.tips-card{
  background:var(--dark);
  color:#fff;
  border-radius:var(--radius-cover);
  padding:38px 36px;
  position:relative;
  overflow:hidden;
}
.tips-card::before{
  content:"";
  position:absolute;
  right:-60px;bottom:-80px;
  width:240px;height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,169,155,.38),transparent 70%);
}
.tips-card h2{
  color:#fff;
  font-size:clamp(1.4rem,2vw,1.85rem);
  margin-bottom:16px;
  position:relative;
}
.tips-card p{color:rgba(255,255,255,.76);font-size:15px;position:relative;}
.tips-list{margin-top:24px;display:grid;gap:14px;position:relative;}
.tips-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:14.5px;
  color:rgba(255,255,255,.86);
  line-height:1.7;
}
.tips-list i{
  color:var(--lime);
  font-size:15px;
  margin-top:5px;
  flex:0 0 auto;
}
.tips-media{
  position:relative;
  border-radius:var(--radius-cover);
  overflow:hidden;
  min-height:280px;
  background:linear-gradient(135deg,var(--primary-soft),#EAF6F3);
  box-shadow:var(--shadow-1);
}
.tips-media img{width:100%;height:100%;object-fit:cover;}
.tips-media figcaption{
  position:absolute;
  left:20px;right:20px;bottom:20px;
  background:rgba(16,20,24,.82);
  backdrop-filter:blur(6px);
  color:#fff;
  border-radius:14px;
  padding:14px 18px;
  font-size:13.5px;
  line-height:1.7;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-faq);
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.faq-item:hover{border-color:var(--primary-line);}
.faq-item.open{border-color:var(--primary);background:linear-gradient(180deg,var(--primary-soft),#fff 42%);box-shadow:var(--shadow-1);}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  background:transparent;
  border:0;
  text-align:left;
  padding:22px 26px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  cursor:pointer;
  line-height:1.6;
}
.faq-icon{
  position:relative;
  flex:0 0 30px;
  width:30px;height:30px;
  border-radius:50%;
  border:1px solid var(--border);
  background:#fff;
  transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary-dark);
  border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:8px;right:8px;top:13px;height:2px;}
.faq-icon::after{top:8px;bottom:8px;left:13px;width:2px;}
.faq-item.open .faq-icon{background:var(--primary);border-color:var(--primary);}
.faq-item.open .faq-icon::before{background:#fff;}
.faq-item.open .faq-icon::after{opacity:0;transform:scaleY(0);}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-answer-inner{
  padding:0 26px 24px;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-banner{
  background:linear-gradient(120deg,var(--primary-soft) 0%,#EFF8F5 55%,#F7FBF4 100%);
  border:1px solid var(--primary-line);
  border-radius:var(--radius-cover);
  padding:48px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-banner h2{
  font-size:clamp(1.4rem,2.1vw,2rem);
  margin-bottom:10px;
}
.cta-banner p{color:var(--muted);font-size:15px;max-width:46em;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.copy-hint{
  display:none;
  margin-top:14px;
  font-size:13.5px;
  font-weight:700;
  color:var(--primary-dark);
}
.copy-hint.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--dark);
  color:rgba(255,255,255,.7);
  margin-top:72px;
  padding:0 0 28px;
}
.footer-track{
  height:4px;
  width:100%;
  background:linear-gradient(90deg,var(--primary) 0%,var(--primary) 34%,var(--lime) 34%,var(--lime) 40%,transparent 40%);
  opacity:.9;
}
.footer-inner{padding-top:56px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand .brand-mark{color:#fff;display:inline-block;font-size:19px;}
.footer-brand .brand-sub{
  display:inline-block;
  margin-left:8px;
  background:rgba(15,169,155,.18);
  color:var(--lime);
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
}
.footer-col h3{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
  font-weight:800;
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  color:rgba(255,255,255,.66);
  font-size:14px;
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--lime);}
.footer-col p{
  font-size:13.5px;
  line-height:1.8;
  color:rgba(255,255,255,.58);
  margin-bottom:10px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-grid .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .site-header{padding:12px 0;}
  .nav-menu{
    position:absolute;
    top:calc(100% + 10px);
    left:12px;right:12px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:12px;
    border-radius:20px;
    background:rgba(255,255,255,.98);
    border:1px solid rgba(16,20,24,.08);
    box-shadow:var(--shadow-2);
  }
  body.nav-open .nav-menu{display:flex;}
  .nav-link{padding:12px 16px;min-height:46px;border-radius:14px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-shell{padding:10px 12px 10px 18px;position:relative;}
  .hero-inner{padding:132px 0 52px;}
  .section{padding:56px 0;}
  .steps-grid{grid-template-columns:1fr;gap:16px;}
  .entry-grid{grid-template-columns:1fr;}
  .tips-wrap{grid-template-columns:1fr;}
  .cta-banner{padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid .footer-col:last-child{grid-column:auto;}
}
@media (max-width:767.98px){
  .container{width:min(1240px,calc(100% - 32px));}
  .hero-inner{padding:120px 0 44px;}
  .hero-stats{grid-template-columns:1fr;gap:16px;margin-top:38px;}
  .hero-stat + .hero-stat{border-left:0;border-top:1px solid rgba(255,255,255,.14);padding-left:0;padding-top:16px;}
  .hero-stat{padding-right:0;}
  .hero-actions .btn{flex:1 1 100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .entry-card{flex-direction:column;gap:16px;}
  .entry-thumb{width:100%;flex:0 0 auto;height:170px;}
  .cta-banner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-question{padding:18px 20px;font-size:16px;}
  .faq-answer-inner{padding:0 20px 20px;}
  .tips-card{padding:30px 24px;}
}
@media (max-width:519.98px){
  .page-hero{width:calc(100% - 16px);border-radius:22px;margin-top:8px;}
  .page-hero h1{font-size:1.95rem;}
  .hero-lead{font-size:15.5px;}
  .section{padding:44px 0;}
  .brand-mark{font-size:16px;}
  .brand-sub{font-size:11px;padding:2px 8px;}
}

/* roulang page: article */
:root{
  --teal:#0FA99B;
  --teal-deep:#087F76;
  --orange:#FF5A1F;
  --lime:#C9F24A;
  --bg:#F4F6F1;
  --card:#FFFFFF;
  --ink:#101418;
  --body:#1B2228;
  --muted:#667078;
  --line:#DCE3DD;
  --r-pill:999px;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-1:0 12px 30px rgba(16,20,24,.08);
  --shadow-2:0 18px 40px rgba(16,20,24,.14);
  --container:1240px;
  --bs-primary:#0FA99B;
  --bs-primary-rgb:15,169,155;
  --bs-body-bg:#F4F6F1;
  --bs-body-color:#1B2228;
  --bs-border-radius:12px;
  --bs-link-color:#087F76;
  --bs-link-hover-color:#0FA99B;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--teal-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--teal);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.3;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}
.container{width:min(var(--container),calc(100% - 32px));margin:0 auto;padding-left:0;padding-right:0;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;padding:14px 0 0;transition:padding .25s ease;}
.nav-shell{
  position:relative;
  width:min(var(--container),calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 12px 10px 22px;
  background:rgba(255,255,255,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(16,20,24,.08);
  border-radius:var(--r-pill);
  box-shadow:0 12px 30px rgba(16,20,24,.08);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled .nav-shell{box-shadow:0 18px 40px rgba(16,20,24,.16);background:rgba(255,255,255,.94);}
.brand{display:flex;flex-direction:column;line-height:1.05;text-decoration:none;margin-right:6px;flex:0 0 auto;}
.brand-mark{font-size:17px;font-weight:800;letter-spacing:.09em;color:var(--ink);}
.brand-sub{font-size:11.5px;letter-spacing:.14em;color:var(--teal-deep);margin-top:3px;}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
  transition:all .2s ease;
}
.nav-link:hover{background:rgba(15,169,155,.1);color:var(--teal-deep);}
.nav-link.active{background:var(--teal);color:#fff;box-shadow:0 8px 18px rgba(15,169,155,.28);}
.nav-cta{flex:0 0 auto;padding:11px 20px;font-size:14.5px;border-radius:var(--r-pill);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  background:rgba(15,169,155,.12);position:relative;flex:0 0 auto;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;top:50%;width:18px;height:2px;border-radius:2px;background:var(--teal-deep);transform:translate(-50%,-50%);transition:background .2s ease;
}
.nav-toggle span::before{content:"";transform:translate(-50%,-7px);}
.nav-toggle span::after{content:"";transform:translate(-50%,5px);}

/* ============ 按钮 / 徽章 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--r-sm);font-size:15px;font-weight:700;border:1px solid transparent;transition:all .22s ease;text-decoration:none;line-height:1.4;}
.btn-main{background:var(--teal);color:#fff;box-shadow:0 10px 24px rgba(15,169,155,.28);}
.btn-main:hover{background:var(--teal-deep);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(8,127,118,.3);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal-deep);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-accent{background:var(--orange);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.26);}
.btn-accent:hover{background:#e64c14;color:#fff;transform:translateY(-2px);}
.badge-tag{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(15,169,155,.12);color:var(--teal-deep);font-size:12.5px;font-weight:700;letter-spacing:.02em;}
.badge-tag i{font-size:11px;}

/* ============ 面包屑 ============ */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:24px 0 0;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--teal-deep);}
.crumbs .sep{color:#B6C0BA;}
.crumbs .current{color:var(--ink);font-weight:600;max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头 ============ */
.article-head{max-width:880px;padding:22px 0 0;}
.article-head h1{font-size:clamp(1.85rem,3.5vw,2.85rem);line-height:1.3;margin:16px 0 18px;letter-spacing:-.02em;}
.lede{font-size:16.5px;line-height:1.9;color:var(--muted);margin-bottom:18px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:20px;font-size:13.5px;color:var(--muted);}
.meta-row span{display:inline-flex;align-items:center;}
.meta-row i{color:var(--teal);margin-right:7px;font-size:13px;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}

.cover-wrap{margin:30px 0 0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);border:1px solid var(--line);background:#E8EEE9;}
.cover-wrap img{width:100%;aspect-ratio:16/7;object-fit:cover;}

/* ============ 正文栅格 ============ */
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:40px;margin-top:44px;align-items:start;}
.article-main{min-width:0;}
.article-body{font-size:16px;line-height:1.9;color:var(--body);}
.article-body h2{font-size:clamp(1.28rem,2vw,1.58rem);margin:2.1em 0 .75em;padding-left:14px;border-left:5px solid var(--teal);line-height:1.45;}
.article-body h3{font-size:1.14rem;margin:1.7em 0 .6em;color:var(--ink);}
.article-body h4{font-size:1rem;margin:1.4em 0 .5em;color:var(--ink);}
.article-body p{margin:0 0 1.05em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;}
.article-body blockquote{margin:1.7em 0;padding:18px 24px;border-left:4px solid var(--teal);background:rgba(15,169,155,.07);border-radius:0 14px 14px 0;color:var(--ink);font-size:15.5px;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:1.6em 0;box-shadow:var(--shadow-1);}
.article-body a{color:var(--teal-deep);border-bottom:1px solid rgba(15,169,155,.45);}
.article-body a:hover{color:var(--teal);border-bottom-color:var(--teal);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;margin:1.6em 0;font-size:14.5px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:rgba(15,169,155,.08);font-weight:700;color:var(--ink);}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}

/* ============ 侧栏 ============ */
.article-side{min-width:0;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow-1);margin-bottom:20px;}
.side-card h2,.side-card h3{font-size:14.5px;letter-spacing:.04em;margin-bottom:14px;display:flex;align-items:center;gap:8px;color:var(--ink);}
.side-card h2 i,.side-card h3 i{color:var(--teal);font-size:13px;}
.toc-card{position:sticky;top:96px;}
.toc-list{font-size:14px;}
.toc-list li{margin-bottom:2px;}
.toc-list a{display:block;padding:7px 12px;border-radius:9px;color:var(--muted);border-left:2px solid transparent;line-height:1.6;transition:all .18s ease;}
.toc-list a:hover{background:rgba(15,169,155,.09);color:var(--teal-deep);border-left-color:var(--teal);}
.toc-list a.lvl-3{padding-left:26px;font-size:13.5px;}
.side-links li{border-bottom:1px dashed var(--line);}
.side-links li:last-child{border-bottom:none;}
.side-links a{display:flex;align-items:flex-start;gap:10px;padding:11px 0;font-size:14.2px;color:var(--body);line-height:1.6;}
.side-links a:hover{color:var(--teal-deep);}
.side-links i{color:var(--teal);font-size:12px;margin-top:6px;flex:0 0 auto;}
.side-tip{background:rgba(15,169,155,.07);border:1px solid rgba(15,169,155,.22);}
.side-tip p{font-size:13.5px;color:var(--muted);margin-bottom:10px;line-height:1.85;}
.side-tip p:last-child{margin-bottom:0;}

/* ============ 文末操作 ============ */
.article-foot{margin-top:36px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;}
.tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);background:rgba(15,169,155,.1);color:var(--teal-deep);font-size:12.5px;font-weight:600;}
.tag:hover{background:rgba(15,169,155,.18);}
.share-actions{display:flex;flex-wrap:wrap;gap:10px;}
.share-actions .btn{padding:10px 18px;font-size:14px;}

/* ============ 相关推荐 ============ */
.related-block{margin-top:48px;}
.section-head{margin-bottom:22px;}
.section-head h2{font-size:clamp(1.25rem,2vw,1.55rem);}
.section-head p{font-size:14px;color:var(--muted);margin:8px 0 0;}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.rel-card{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;transition:all .22s ease;min-width:0;}
.rel-card:hover{transform:translateY(-3px);border-color:var(--teal);box-shadow:var(--shadow-2);color:inherit;}
.rel-card .thumb{width:96px;height:78px;flex:0 0 auto;border-radius:12px;overflow:hidden;background:#E8EEE9;}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .thumb img{transform:scale(1.06);}
.rel-card .rel-body{min-width:0;display:flex;flex-direction:column;justify-content:center;}
.rel-card .rel-tag{font-size:11.5px;color:var(--teal-deep);font-weight:700;letter-spacing:.04em;margin-bottom:4px;}
.rel-card h3{font-size:14.8px;line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--ink);}

/* ============ CTA 横幅 ============ */
.article-cta{margin-top:52px;background:linear-gradient(120deg,rgba(201,242,74,.22),rgba(15,169,155,.14));border:1px solid rgba(15,169,155,.24);border-radius:var(--r-lg);padding:34px 34px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;}
.article-cta h2{font-size:clamp(1.2rem,2vw,1.5rem);margin-bottom:8px;}
.article-cta p{font-size:14.5px;color:var(--muted);margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 空态 ============ */
.empty-state{border:2px dashed var(--line);border-radius:22px;padding:56px 28px;text-align:center;background:var(--card);}
.empty-icon{width:66px;height:66px;border-radius:50%;background:rgba(15,169,155,.12);color:var(--teal-deep);display:grid;place-items:center;font-size:24px;margin:0 auto 20px;}
.empty-state h2{font-size:1.3rem;margin-bottom:10px;}
.empty-state p{font-size:14.5px;color:var(--muted);max-width:460px;margin:0 auto 22px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#AEB8B5;margin-top:78px;position:relative;overflow:hidden;}
.footer-track{height:5px;background:repeating-linear-gradient(90deg,var(--teal) 0 48px,rgba(255,255,255,.07) 48px 96px);}
.footer-inner{padding:54px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand-mark{display:block;color:#fff;font-size:19px;font-weight:800;letter-spacing:.09em;}
.footer-brand .brand-sub{display:block;color:var(--teal);font-size:12.5px;letter-spacing:.1em;margin:5px 0 14px;}
.footer-brand p{font-size:13.8px;line-height:1.9;color:#8E9A97;margin:0;}
.footer-col h3{color:#fff;font-size:14.5px;margin-bottom:16px;letter-spacing:.03em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:#AEB8B5;font-size:14px;}
.footer-col a:hover{color:var(--teal);}
.footer-col p{font-size:13.3px;line-height:1.85;color:#8E9A97;margin:0 0 10px;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:20px;font-size:12.5px;color:#7E8A87;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-grid{grid-template-columns:minmax(0,1fr) 300px;gap:30px;}
  .nav-link{padding:9px 11px;font-size:14px;}
}
@media (max-width:991.98px){
  .nav-menu{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:12px;box-shadow:var(--shadow-2);
  }
  .nav-menu.open{display:flex;}
  .nav-link{justify-content:flex-start;padding:12px 16px;font-size:15px;min-height:44px;}
  .nav-cta{display:none;}
  .nav-toggle{display:block;margin-left:auto;}
  .nav-shell{padding:8px 10px 8px 18px;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .toc-card{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  .article-head h1{font-size:1.65rem;line-height:1.35;}
  .lede{font-size:15.5px;}
  .cover-wrap img{aspect-ratio:16/10;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .article-cta{padding:26px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .footer-inner{padding:44px 0 22px;}
}
@media (max-width:575.98px){
  .container{width:calc(100% - 32px);}
  .brand-mark{font-size:15.5px;}
  .brand-sub{font-size:10.5px;}
  .crumbs{font-size:12.5px;padding-top:18px;}
  .crumbs .current{max-width:52%;}
  .article-head h1{font-size:1.45rem;}
  .meta-row{gap:14px;font-size:12.8px;}
  .article-body{font-size:15.6px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .rel-card .thumb{width:82px;height:70px;}
  .btn{width:100%;}
  .share-actions{width:100%;}
  .share-actions .btn{width:100%;}
  .nav-cta{display:none;}
}

/* roulang page: category2 */
:root{
  --brand:#0FA99B;
  --brand-deep:#087F76;
  --brand-soft:#E4F6F3;
  --orange:#FF5A1F;
  --lime:#C9F24A;
  --bg:#F4F6F1;
  --card:#FFFFFF;
  --dark:#101418;
  --text:#1B2228;
  --muted:#667078;
  --line:#DCE3DD;
  --radius-hero:28px;
  --radius-lg:24px;
  --radius-card:18px;
  --radius-faq:16px;
  --radius-sm:12px;
  --shadow-1:0 12px 30px rgba(16,20,24,.08);
  --shadow-2:0 18px 40px rgba(16,20,24,.14);
  --section:72px;
  --bs-primary:#0FA99B;
  --bs-primary-rgb:15,169,155;
  --bs-body-bg:#F4F6F1;
  --bs-body-color:#1B2228;
  --bs-border-radius:12px;
  --bs-link-color:#087F76;
  --bs-link-hover-color:#0FA99B;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.28;margin:0;color:var(--text);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{max-width:1240px;padding-left:24px;padding-right:24px;margin:0 auto;}
.section{padding:var(--section) 0;}
.section-head{margin-bottom:34px;max-width:760px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand-deep);margin-bottom:10px;
}
.section-kicker::before{content:"";width:26px;height:2px;background:var(--brand);display:inline-block;border-radius:2px;}
.section-head h2{font-size:clamp(1.5rem,2.2vw,2.2rem);}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:14px 0;
  transition:padding .25s ease,background .25s ease;
}
.site-header.scrolled{padding:8px 0;}
.nav-shell{
  width:min(1240px,calc(100% - 32px));
  margin:0 auto;
  display:flex;align-items:center;gap:18px;
  height:68px;padding:0 12px 0 22px;
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(16,20,24,.08);
  border-radius:999px;
  box-shadow:0 12px 30px rgba(16,20,24,.08);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled .nav-shell{box-shadow:0 16px 36px rgba(16,20,24,.14);background:rgba(255,255,255,.94);}
.brand{display:flex;flex-direction:column;line-height:1.1;margin-right:6px;flex:0 0 auto;}
.brand-mark{font-size:16px;font-weight:800;letter-spacing:.14em;color:var(--dark);}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--brand-deep);font-weight:700;margin-top:3px;}
.nav-menu{display:flex;align-items:center;gap:2px;margin:0 auto;flex-wrap:nowrap;}
.nav-link{
  display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:#2C363C;
  transition:background .2s ease,color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-link.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(15,169,155,.28);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:var(--radius-sm);transition:all .22s ease;border:1px solid transparent;text-decoration:none;}
.btn-main{background:var(--brand);color:#fff;padding:11px 22px;font-size:14.5px;box-shadow:0 10px 24px rgba(15,169,155,.24);}
.btn-main:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(8,127,118,.3);}
.nav-cta{flex:0 0 auto;white-space:nowrap;padding:11px 20px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  background:#fff;position:relative;flex:0 0 auto;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--dark);border-radius:2px;transition:all .22s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 面包屑 ---------- */
.crumbs{font-size:13.5px;color:var(--muted);padding:18px 0 20px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand-deep);}
.crumbs .sep{color:#B7C0BA;}
.crumbs .now{color:var(--text);font-weight:600;}

/* ---------- Hero ---------- */
.cat-hero{padding-bottom:8px;}
.hero-cover{
  position:relative;overflow:hidden;
  border-radius:var(--radius-hero);
  aspect-ratio:16/7;
  box-shadow:var(--shadow-1);
  background:linear-gradient(135deg,#0E7C74,#101418);
}
.hero-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(16,20,24,.9) 0%,rgba(16,20,24,.62) 48%,rgba(16,20,24,.16) 100%);
}
.hero-copy{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;padding:clamp(24px,4vw,56px);max-width:720px;color:#fff;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  background:rgba(201,242,74,.16);border:1px solid rgba(201,242,74,.5);
  color:var(--lime);font-size:12.5px;font-weight:700;letter-spacing:.08em;
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.hero-copy h1{color:#fff;font-size:clamp(2rem,3.6vw,3.2rem);margin-bottom:14px;}
.hero-copy h1 em{font-style:normal;color:var(--lime);}
.hero-copy p{color:rgba(255,255,255,.82);font-size:16px;max-width:520px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn-ghost{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.4);color:#fff;padding:11px 22px;font-size:14.5px;backdrop-filter:blur(6px);}
.btn-ghost:hover{background:#fff;color:var(--dark);transform:translateY(-2px);}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;font-size:13px;color:rgba(255,255,255,.7);}
.hero-meta strong{color:#fff;font-size:18px;font-weight:800;margin-right:6px;}

/* ---------- 筛选胶囊 ---------- */
.filter-wrap{padding:34px 0 0;}
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin;}
.filter-bar::-webkit-scrollbar{height:5px;}
.filter-bar::-webkit-scrollbar-thumb{background:#CFDCD6;border-radius:999px;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:#334046;font-size:14px;font-weight:600;
  transition:all .2s ease;white-space:nowrap;
}
.chip:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(15,169,155,.26);}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);}
.chip.active .dot{background:var(--lime);}

/* ---------- 杂志网格 ---------- */
.mag-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:start;}
.mag-lead{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);transition:all .25s ease;height:100%;
  display:flex;flex-direction:column;
}
.mag-lead:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2);}
.mag-lead-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E8EFEA;}
.mag-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.mag-lead:hover .mag-lead-media img{transform:scale(1.03);}
.mag-no{
  position:absolute;left:18px;top:16px;font-size:13px;font-weight:800;letter-spacing:.1em;
  background:var(--lime);color:#132018;padding:5px 12px;border-radius:999px;
}
.mag-lead-body{padding:24px 26px 26px;}
.badge-cat{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;
  padding:4px 12px;margin-bottom:12px;
}
.mag-lead-body h3{font-size:clamp(1.15rem,1.6vw,1.45rem);margin-bottom:10px;}
.mag-lead-body p{color:var(--muted);font-size:14.5px;margin-bottom:16px;}
.meta-row{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:#8A948E;border-top:1px dashed var(--line);padding-top:14px;}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--brand-deep);}
.arrow-link::after{content:"→";transition:transform .22s ease;}
.arrow-link:hover::after{transform:translateX(6px);}
.mag-lead .arrow-link{margin-top:16px;}

.mag-list{display:flex;flex-direction:column;gap:14px;}
.mag-item{
  display:grid;grid-template-columns:104px 1fr;gap:16px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:14px;box-shadow:0 6px 16px rgba(16,20,24,.05);
  transition:all .22s ease;
}
.mag-item:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-1);}
.mag-item-thumb{border-radius:12px;overflow:hidden;aspect-ratio:1/1;background:#E8EFEA;}
.mag-item-thumb img{width:100%;height:100%;object-fit:cover;}
.mag-item-body h3{font-size:16.5px;margin-bottom:6px;line-height:1.5;}
.mag-item-body p{font-size:13.5px;color:var(--muted);margin-bottom:8px;}
.mag-item-body .meta-row{border-top:none;padding-top:0;gap:10px;}
.tag{
  display:inline-block;font-size:11.5px;font-weight:700;color:#5C6A63;
  background:#F0F4F0;border-radius:999px;padding:2px 10px;
}

/* ---------- 搭配组合 ---------- */
.combo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.combo-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:0 8px 20px rgba(16,20,24,.06);transition:all .25s ease;
  display:flex;flex-direction:column;
}
.combo-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-2);}
.combo-media{aspect-ratio:4/3;overflow:hidden;background:#E8EFEA;}
.combo-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.combo-card:hover .combo-media img{transform:scale(1.04);}
.combo-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column;}
.combo-body h3{font-size:18px;margin-bottom:8px;}
.combo-body p{font-size:14px;color:var(--muted);flex:1;}
.combo-body .arrow-link{margin-top:8px;}

/* ---------- 提示卡 ---------- */
.tips-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;}
.tips-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 32px;box-shadow:var(--shadow-1);
}
.tips-card h2{font-size:clamp(1.3rem,1.9vw,1.8rem);margin-bottom:8px;}
.tips-card > p{color:var(--muted);font-size:14.5px;margin-bottom:20px;}
.tip-dl{display:grid;grid-template-columns:1fr;gap:0;margin:0;}
.tip-dl > div{
  display:grid;grid-template-columns:132px 1fr;gap:16px;
  padding:16px 0;border-top:1px dashed var(--line);
}
.tip-dl > div:last-child{padding-bottom:0;}
.tip-dl dt{font-size:13.5px;font-weight:800;color:var(--brand-deep);letter-spacing:.02em;}
.tip-dl dd{margin:0;font-size:14.5px;color:#38424A;}
.note-card{
  background:linear-gradient(160deg,#101418,#17322F 70%,#0B4A45);
  border-radius:var(--radius-lg);padding:32px;color:#fff;position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:center;
}
.note-card::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:240px;height:240px;border-radius:50%;
  border:26px solid rgba(201,242,74,.14);
}
.note-card h3{color:#fff;font-size:20px;margin-bottom:10px;position:relative;z-index:1;}
.note-card p{color:rgba(255,255,255,.76);font-size:14.5px;position:relative;z-index:1;margin-bottom:18px;}
.note-card .btn-lime{
  position:relative;z-index:1;align-self:flex-start;
  background:var(--lime);color:#132018;padding:11px 22px;font-size:14px;font-weight:800;border-radius:var(--radius-sm);
}
.note-card .btn-lime:hover{background:#DCFA75;transform:translateY(-2px);box-shadow:0 12px 26px rgba(201,242,74,.3);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{--bs-accordion-border-color:var(--line);--bs-accordion-btn-focus-box-shadow:none;}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-faq)!important;
  margin-bottom:14px;overflow:hidden;background:#fff;box-shadow:0 6px 16px rgba(16,20,24,.05);
}
.accordion-button{
  font-weight:700;font-size:16px;color:var(--text);background:#fff;padding:20px 24px;
  border-radius:var(--radius-faq)!important;line-height:1.6;
}
.accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-deep);box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button::after{
  background-image:none;content:"+";font-size:22px;font-weight:700;color:var(--brand-deep);
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  border-radius:50%;background:var(--brand-soft);flex-shrink:0;margin-left:16px;
  transform:none;transition:all .22s ease;
}
.accordion-button:not(.collapsed)::after{content:"−";background:var(--brand);color:#fff;transform:none;}
.accordion-body{padding:0 24px 22px;color:var(--muted);font-size:14.8px;line-height:1.85;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#E4F6F3,#F1F8EE 60%,#EAF4F5);
  border:1px solid #CFE7E2;border-radius:var(--radius-hero);
  padding:46px clamp(24px,4vw,56px);
}
.cta-band::before{
  content:"";position:absolute;inset:auto -10% -60% auto;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,169,155,.16),transparent 66%);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(1.35rem,2vw,1.9rem);margin-bottom:8px;}
.cta-inner p{color:#4E5C55;font-size:14.5px;margin:0;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-outline{background:#fff;border:1px solid var(--line);color:var(--brand-deep);padding:12px 24px;font-size:14.5px;}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.copy-hint{font-size:13px;color:var(--brand-deep);font-weight:700;margin-top:10px;min-height:20px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9C2BD;margin-top:var(--section);position:relative;}
.footer-track{height:4px;background:linear-gradient(90deg,var(--brand) 0%,var(--brand) 38%,var(--lime) 38%,var(--lime) 52%,var(--orange) 52%,var(--orange) 68%,#2A333A 68%,#2A333A 100%);}
.footer-inner{padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1fr;gap:36px;}
.footer-brand .brand-mark{color:#fff;font-size:17px;}
.footer-brand .brand-sub{color:var(--lime);font-size:12px;display:block;margin-top:4px;}
.footer-brand p{color:#93A09A;font-size:14px;margin-top:16px;max-width:340px;line-height:1.85;}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:#A9B5AF;font-size:14px;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--brand);padding-left:4px;}
.footer-col p{color:#8D9A94;font-size:13.5px;line-height:1.8;margin-bottom:10px;}
.footer-bottom{
  border-top:1px solid #232C33;margin-top:36px;padding-top:22px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:12.5px;color:#7C8882;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .mag-grid{grid-template-columns:1fr 1fr;}
  .combo-grid{grid-template-columns:repeat(3,1fr);gap:20px;}
}
@media (max-width:991.98px){
  :root{--section:56px;}
  .nav-shell{height:64px;padding:0 10px 0 18px;gap:10px;}
  .nav-menu{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:20px;
    padding:12px;box-shadow:var(--shadow-2);display:none;
  }
  .nav-menu.open{display:flex;}
  .nav-link{padding:13px 16px;border-radius:14px;font-size:15px;}
  .nav-toggle{display:block;margin-left:auto;}
  .nav-cta{display:none;}
  .site-header{position:relative;}
  .nav-shell{position:relative;}
  .mag-grid{grid-template-columns:1fr;}
  .tips-wrap{grid-template-columns:1fr;}
  .combo-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
  .hero-cover{aspect-ratio:auto;background:#fff;}
  .hero-cover img{position:static;height:210px;width:100%;}
  .hero-overlay{display:none;}
  .hero-copy{height:auto;padding:22px 20px 26px;color:var(--text);background:#fff;}
  .hero-copy h1{color:var(--text);font-size:clamp(1.7rem,6vw,2.1rem);}
  .hero-copy p{color:var(--muted);font-size:15px;}
  .hero-badge{margin-bottom:12px;}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-deep);backdrop-filter:none;}
  .btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);}
  .hero-meta{display:none;}
  .hero-actions{width:100%;}
  .hero-actions .btn{flex:1 1 100%;}
  .mag-item{grid-template-columns:84px 1fr;gap:14px;padding:12px;}
  .mag-lead-body{padding:20px;}
  .combo-grid{grid-template-columns:1fr;}
  .tips-card{padding:24px 20px;}
  .tip-dl > div{grid-template-columns:1fr;gap:6px;}
  .note-card{padding:26px 22px;}
  .cta-band{padding:32px 20px;border-radius:var(--radius-lg);}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .accordion-button{font-size:15px;padding:17px 18px;}
  .accordion-body{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-inner{padding:40px 0 22px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .filter-bar{padding-bottom:8px;}
  .chip{padding:9px 16px;font-size:13.5px;}
  .mag-item-thumb{aspect-ratio:1/1;}
  .section-head p{font-size:14px;}
}

/* roulang page: category3 */
:root{
  --main:#0FA99B;
  --main-dark:#087F76;
  --main-soft:#E4F6F3;
  --orange:#FF5A1F;
  --orange-soft:#FFEDE5;
  --lime:#C9F24A;
  --lime-soft:#F2FBD6;
  --bg:#F4F6F1;
  --card:#FFFFFF;
  --dark:#101418;
  --dark-2:#171D22;
  --text:#1B2228;
  --muted:#667078;
  --line:#DCE3DD;
  --r-hero:28px;
  --r-lg:24px;
  --r-card:18px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 12px 30px rgba(16,20,24,.08);
  --sh-hover:0 18px 40px rgba(16,20,24,.14);
  --sec:72px;
  --bs-body-bg:#F4F6F1;
  --bs-body-color:#1B2228;
  --bs-primary:#0FA99B;
  --bs-link-color:#087F76;
  --bs-link-hover-color:#0FA99B;
  --bs-border-radius:12px;
  --bs-border-color:#DCE3DD;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--main-dark);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--main);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;border-radius:6px;}
.container{
  width:min(1240px,calc(100% - 32px));
  max-width:none!important;
  margin-left:auto;
  margin-right:auto;
  padding-left:0!important;
  padding-right:0!important;
}
.section{padding:var(--sec) 0;}
.section-sm{padding:calc(var(--sec) * .7) 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.5rem,2.2vw,2.2rem);}
.section-head p{color:var(--muted);margin-top:12px;font-size:.98rem;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.76rem;font-weight:800;letter-spacing:.18em;
  color:var(--main-dark);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--main);display:inline-block;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:14px 0 10px;
  transition:padding .25s ease,background .25s ease;
}
.site-header.is-scrolled{padding:8px 0 6px;}
.nav-shell{
  position:relative;
  width:min(1240px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:9px 14px 9px 20px;
  background:rgba(255,255,255,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(16,20,24,.08);
  border-radius:999px;
  box-shadow:var(--sh);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.95);box-shadow:0 16px 36px rgba(16,20,24,.14);}
.brand{display:flex;flex-direction:column;line-height:1.12;flex-shrink:0;}
.brand-mark{
  font-size:1.06rem;font-weight:800;letter-spacing:.08em;color:var(--dark);
  display:flex;align-items:center;gap:8px;
}
.brand-mark::before{
  content:"";width:10px;height:10px;border-radius:3px;
  background:linear-gradient(135deg,var(--main),var(--lime));
  display:inline-block;flex-shrink:0;
}
.brand-sub{font-size:.66rem;letter-spacing:.2em;color:var(--muted);padding-left:18px;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap;}
.nav-link{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:999px;
  font-size:.93rem;font-weight:600;color:#2C343A;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease;
}
.nav-link:hover{background:var(--main-soft);color:var(--main-dark);}
.nav-link.active{background:var(--main);color:#fff;box-shadow:0 8px 18px rgba(15,169,155,.3);}
.nav-cta{margin-left:6px;flex-shrink:0;font-size:.9rem;padding:10px 18px;white-space:nowrap;}
.btn-main,.btn-ghost,.btn-light-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);font-weight:700;font-size:.95rem;
  padding:12px 22px;border:1px solid transparent;
  transition:transform .22s ease,background .22s ease,color .22s ease,box-shadow .22s ease,border-color .22s ease;
  cursor:pointer;text-align:center;
}
.btn-main{background:var(--main);color:#fff;box-shadow:0 10px 22px rgba(15,169,155,.24);}
.btn-main:hover{background:var(--main-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--main-dark);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--main);color:var(--main-dark);background:var(--main-soft);transform:translateY(-2px);}
.btn-light-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-light-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;font-size:.92rem;color:var(--main-dark);
}
.text-link span.arrow{transition:transform .22s ease;display:inline-block;}
.text-link:hover span.arrow{transform:translateX(6px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
  margin-left:auto;cursor:pointer;flex-shrink:0;
}
.nav-toggle span{position:relative;width:18px;height:2px;background:var(--dark);border-radius:2px;display:block;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--dark);border-radius:2px;transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:.84rem;color:rgba(255,255,255,.72);
  padding:0 0 18px;
}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.5;}
.crumb .now{color:#fff;font-weight:700;}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;
  width:min(1240px,calc(100% - 32px));
  margin:6px auto 0;
  border-radius:var(--r-hero);
  overflow:hidden;
  background:var(--dark) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  isolation:isolate;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(105deg,rgba(10,14,17,.94) 0%,rgba(10,14,17,.82) 46%,rgba(10,14,17,.52) 100%),
    repeating-linear-gradient(115deg,rgba(201,242,74,.07) 0 2px,transparent 2px 22px);
}
.hero-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
  padding:clamp(30px,4.6vw,58px);
  color:#fff;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(201,242,74,.16);border:1px solid rgba(201,242,74,.4);
  color:var(--lime);font-size:.76rem;font-weight:800;letter-spacing:.12em;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(2rem,4vw,3.3rem);
  color:#fff;letter-spacing:-.02em;margin-bottom:16px;
}
.page-hero h1 .hl{
  background:linear-gradient(transparent 64%,rgba(201,242,74,.55) 64%);
  padding-bottom:2px;border-radius:3px;
}
.hero-lead{
  color:rgba(255,255,255,.82);font-size:1.02rem;max-width:34em;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  font-size:.82rem;color:rgba(255,255,255,.9);font-weight:600;
}
.hero-pill b{color:var(--lime);font-weight:800;}
.hero-figure{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 50px rgba(0,0,0,.38);
  background:#fff;
}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-figure figcaption{
  background:rgba(255,255,255,.95);color:var(--muted);
  font-size:.8rem;padding:12px 16px;line-height:1.6;
}

/* ---------- 分类布局 ---------- */
.cat-layout{display:grid;grid-template-columns:298px 1fr;gap:34px;align-items:start;}
.toc-inner{
  position:sticky;top:96px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh);
  padding:22px 20px;
}
.toc-title{
  font-size:.76rem;font-weight:800;letter-spacing:.18em;color:var(--main-dark);
  text-transform:uppercase;margin-bottom:14px;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;
  font-size:.93rem;font-weight:600;color:#2C343A;
  transition:background .2s ease,color .2s ease;
}
.toc-list a:hover{background:var(--main-soft);color:var(--main-dark);}
.toc-list a .n{font-size:.74rem;font-weight:800;color:var(--muted);letter-spacing:.06em;}
.toc-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:.82rem;color:var(--muted);line-height:1.75;
}
.toc-note a{font-weight:700;}

/* ---------- 条目组 ---------- */
.gear-group{margin-bottom:44px;scroll-margin-top:104px;}
.gear-group:last-child{margin-bottom:0;}
.group-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:18px;}
.group-head h2{font-size:clamp(1.3rem,1.9vw,1.7rem);}
.group-head .count{
  font-size:.76rem;font-weight:800;letter-spacing:.1em;
  color:var(--main-dark);background:var(--main-soft);
  padding:3px 10px;border-radius:999px;
}
.group-desc{color:var(--muted);font-size:.93rem;margin-bottom:22px;max-width:46em;}
.gear-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--sh);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.gear-card + .gear-card{margin-top:18px;}
.gear-card:hover{transform:translateY(-3px);border-color:var(--main);box-shadow:var(--sh-hover);}
.gear-head{display:flex;align-items:flex-start;gap:16px;}
.gear-num{
  font-size:1.5rem;font-weight:800;color:var(--line);line-height:1;
  letter-spacing:-.03em;flex-shrink:0;padding-top:2px;min-width:42px;
  transition:color .24s ease;
}
.gear-card:hover .gear-num{color:var(--main);}
.gear-main{flex:1;min-width:0;}
.gear-title{font-size:1.13rem;font-weight:800;margin-bottom:8px;color:var(--dark);}
.gear-desc{color:var(--muted);font-size:.94rem;margin-bottom:0;}
.badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  background:var(--main-soft);color:var(--main-dark);
  font-size:.75rem;font-weight:700;letter-spacing:.02em;
}
.tag.orange{background:var(--orange-soft);color:#C43B0B;}
.tag.lime{background:var(--lime-soft);color:#5C7311;}
.spec-list{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));
  gap:14px 20px;margin:18px 0 0;padding-top:16px;
  border-top:1px dashed var(--line);
}
.spec-list .spec{min-width:0;}
.spec-list dt{font-size:.72rem;color:var(--muted);letter-spacing:.06em;margin-bottom:2px;font-weight:600;}
.spec-list dd{margin:0;font-weight:700;font-size:.92rem;color:var(--text);}

/* ---------- 选购要点 ---------- */
.tips-block{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:stretch;
  margin-top:8px;
}
.tips-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh);background:#fff;display:flex;flex-direction:column;
}
.tips-figure img{width:100%;height:100%;min-height:220px;object-fit:cover;flex:1;}
.tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.tip-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tip-card:hover{transform:translateY(-3px);border-color:var(--main);box-shadow:var(--sh-hover);}
.tip-card h3{font-size:1rem;margin-bottom:8px;color:var(--dark);}
.tip-card p{font-size:.9rem;color:var(--muted);margin:0;}
.tip-card .k{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;background:var(--lime-soft);
  color:#5C7311;font-weight:800;font-size:.82rem;margin-bottom:12px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  background:#fff!important;
  border:1px solid var(--line)!important;
  border-radius:var(--r-md)!important;
  overflow:hidden;margin-bottom:12px;
  box-shadow:var(--sh);
}
.accordion-button{
  font-weight:700;font-size:1rem;color:var(--dark);
  background:#fff;padding:18px 22px;box-shadow:none!important;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.accordion-button:not(.collapsed){background:var(--main-soft)!important;color:var(--main-dark);}
.accordion-button::after{
  content:"+";background-image:none!important;
  width:auto;height:auto;font-size:1.35rem;font-weight:700;line-height:1;
  color:var(--main-dark);margin-left:auto;transform:none!important;
}
.accordion-button:not(.collapsed)::after{content:"−";color:var(--main-dark);}
.accordion-button:focus{box-shadow:none!important;border-color:var(--main)!important;}
.accordion-body{padding:4px 22px 20px;color:var(--muted);font-size:.94rem;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--main-soft) 0%,var(--lime-soft) 100%);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(28px,4.4vw,52px);
  display:grid;grid-template-columns:1.5fr auto;gap:26px;align-items:center;
  box-shadow:var(--sh);
}
.cta-band h2{font-size:clamp(1.35rem,2.1vw,1.9rem);margin-bottom:12px;}
.cta-band p{color:#41505A;font-size:.96rem;margin:0;max-width:44em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-actions .btn-ghost{background:#fff;}
.copy-hint{
  font-size:.82rem;color:var(--main-dark);font-weight:700;
  margin-top:12px;min-height:1.2em;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--dark);color:#B9C2C6;
  margin-top:var(--sec);padding:0 0 28px;
}
.footer-track{
  height:6px;width:100%;
  background:repeating-linear-gradient(90deg,var(--main) 0 26px,var(--lime) 26px 32px,transparent 32px 52px);
  opacity:.7;
}
.footer-inner{padding-top:56px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:40px;
}
.footer-brand .brand-mark{color:#fff;font-size:1.2rem;letter-spacing:.08em;}
.footer-brand .brand-sub{color:#8D9AA0;font-size:.72rem;letter-spacing:.18em;padding-left:18px;margin-top:2px;}
.footer-brand p{color:#98A5AA;font-size:.9rem;margin-top:16px;max-width:34em;}
.footer-col h3{font-size:.82rem;letter-spacing:.16em;color:#fff;text-transform:uppercase;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col ul a{color:#B9C2C6;font-size:.92rem;}
.footer-col ul a:hover{color:var(--main);}
.footer-col p{color:#98A5AA;font-size:.87rem;margin-bottom:10px;line-height:1.75;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:22px;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;font-size:.82rem;color:#7E8B90;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec:62px;}
  .cat-layout{grid-template-columns:260px 1fr;gap:26px;}
}
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-menu{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);
    border-radius:20px;padding:12px;
    box-shadow:var(--sh-hover);
    display:none;
  }
  .nav-menu.open{display:flex;}
  .nav-link{padding:12px 16px;min-height:44px;border-radius:14px;}
  .hero-inner{grid-template-columns:1fr;gap:26px;}
  .hero-figure{order:2;}
  .cat-layout{grid-template-columns:1fr;}
  .toc-inner{position:static;padding:16px;}
  .toc-list{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .toc-list a{white-space:nowrap;background:var(--bg);border:1px solid var(--line);}
  .toc-note{display:none;}
  .tips-block{grid-template-columns:1fr;}
  .tips-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;align-items:start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .page-hero{border-radius:22px;}
  .hero-inner{padding:26px 22px 30px;}
  .page-hero h1{font-size:clamp(1.7rem,7vw,2.3rem);}
  .hero-lead{font-size:.96rem;}
  .hero-actions .btn-main,.hero-actions .btn-light-ghost{width:100%;}
  .gear-card{padding:20px;}
  .gear-num{font-size:1.25rem;min-width:34px;}
  .spec-list{grid-template-columns:repeat(2,1fr);}
  .tips-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-inner{padding-top:40px;}
  .footer-bottom{flex-direction:column;}
  .brand-sub{font-size:.6rem;letter-spacing:.14em;}
}
@media (max-width:419px){
  .spec-list{grid-template-columns:1fr;}
}

/* roulang page: category4 */
:root{
  --teal:#0FA99B;
  --teal-deep:#087F76;
  --teal-soft:#E4F6F3;
  --teal-mist:#F0FAF8;
  --orange:#FF5A1F;
  --lime:#C9F24A;
  --bg:#F4F6F1;
  --bg-alt:#EDF2EC;
  --card:#FFFFFF;
  --dark:#101418;
  --dark-2:#19212A;
  --ink:#1B2228;
  --muted:#667078;
  --line:#DCE3DD;
  --r-hero:28px;
  --r-lg:24px;
  --r:18px;
  --r-sm:12px;
  --shadow:0 12px 30px rgba(16,20,24,.08);
  --shadow-lg:0 18px 40px rgba(16,20,24,.14);
  --sec:72px;
  --bs-primary:#0FA99B;
  --bs-body-bg:#F4F6F1;
  --bs-body-color:#1B2228;
  --bs-border-color:#DCE3DD;
  --bs-border-radius:12px;
  --bs-link-color:#087F76;
  --bs-link-hover-color:#0FA99B;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--teal-deep);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--teal)}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;color:var(--ink);margin:0}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:var(--sec) 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{
  font-size:clamp(1.5rem,2.2vw,2.2rem);
  line-height:1.3;
  margin-bottom:12px;
}
.section-sub{color:var(--muted);font-size:16px;margin:0}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--teal-deep);
  background:var(--teal-soft);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--orange);
  display:inline-block;
}
.badge-chip{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:700;
  line-height:1;
  padding:7px 12px;
  border-radius:999px;
  background:var(--teal-soft);
  color:var(--teal-deep);
  white-space:nowrap;
}
.badge-chip.is-orange{background:#FFF0E9;color:#C43B0C}
.badge-chip.is-lime{background:#F0FBD3;color:#5A7413}
.badge-chip.is-grey{background:#EFF2EE;color:var(--muted)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding-top:14px;
  transition:padding .25s ease;
}
.nav-shell{
  width:min(1240px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  min-height:66px;
  padding:10px 14px 10px 22px;
  border-radius:999px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(16,20,24,.08);
  box-shadow:0 12px 30px rgba(16,20,24,.08);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.94);
  box-shadow:0 16px 36px rgba(16,20,24,.14);
}
.brand{display:flex;flex-direction:column;line-height:1.15;margin-right:auto;color:var(--ink)}
.brand-mark{
  font-size:17px;
  font-weight:800;
  letter-spacing:.09em;
  color:var(--ink);
}
.brand-sub{
  font-size:11px;
  font-weight:600;
  letter-spacing:.05em;
  color:var(--muted);
}
.brand:hover .brand-mark{color:var(--teal-deep)}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-flex;
  align-items:center;
  padding:9px 15px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--teal-soft);color:var(--teal-deep)}
.nav-link.active{background:var(--teal);color:#fff}
.nav-cta{
  padding:11px 20px;
  font-size:14px;
  border-radius:999px;
  white-space:nowrap;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  position:relative;
  cursor:pointer;
  flex:0 0 auto;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:18px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform .25s ease,opacity .2s ease;
  content:"";
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateX(-50%) rotate(45deg);top:0}
.nav-toggle.is-open span::after{transform:translateX(-50%) rotate(-45deg);top:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:700;
  font-size:15px;
  line-height:1.2;
  padding:13px 24px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-main{
  background:var(--teal);
  color:#fff;
  border-color:var(--teal);
  box-shadow:0 10px 24px rgba(15,169,155,.26);
}
.btn-main:hover,.btn-main:focus-visible{
  background:var(--teal-deep);
  border-color:var(--teal-deep);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 16px 32px rgba(8,127,118,.3);
}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.06);
  color:#fff;
  border-color:rgba(255,255,255,.42);
}
.btn-ghost:hover,.btn-ghost:focus-visible{
  background:rgba(255,255,255,.16);
  border-color:#fff;
  color:#fff;
  transform:translateY(-2px);
}
.btn-outline{
  background:#fff;
  color:var(--ink);
  border-color:var(--line);
  box-shadow:0 6px 16px rgba(16,20,24,.05);
}
.btn-outline:hover,.btn-outline:focus-visible{
  border-color:var(--teal);
  color:var(--teal-deep);
  transform:translateY(-2px);
  box-shadow:var(--shadow);
}
.btn-link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  font-size:15px;
  color:var(--teal-deep);
  background:none;
  border:none;
  padding:0;
  cursor:pointer;
}
.btn-link-arrow .arrow{transition:transform .22s ease}
.btn-link-arrow:hover .arrow{transform:translateX(6px)}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:18px 0 6px}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0;
  padding:0;
  background:transparent;
  font-size:13.5px;
  color:var(--muted);
}
.breadcrumb-item{color:var(--muted)}
.breadcrumb-item + .breadcrumb-item::before{
  content:"›";
  color:#B4BEB6;
  padding-right:8px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--teal-deep)}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  margin-top:14px;
  border-radius:var(--r-hero);
  background-image:
    linear-gradient(105deg,rgba(16,20,24,.94) 0%,rgba(16,20,24,.82) 48%,rgba(16,20,24,.5) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(201,242,74,.09) 0 2px,transparent 2px 26px);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
  padding-top:64px;
  padding-bottom:64px;
}
.hero-copy .eyebrow{
  background:rgba(201,242,74,.16);
  color:var(--lime);
}
.hero-copy h1{
  color:#fff;
  font-size:clamp(2rem,3.6vw,3.1rem);
  line-height:1.22;
  margin-bottom:18px;
}
.hero-copy h1 .hl{
  position:relative;
  display:inline-block;
  color:var(--lime);
}
.hero-lead{
  color:rgba(255,255,255,.82);
  font-size:17px;
  max-width:520px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero-facts li{
  flex:1 1 140px;
  padding:14px 18px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.13);
}
.hero-facts strong{
  display:block;
  font-size:24px;
  font-weight:800;
  color:#fff;
  line-height:1.1;
}
.hero-facts span{font-size:13px;color:rgba(255,255,255,.68)}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:0 24px 48px rgba(0,0,0,.36);
  border:1px solid rgba(255,255,255,.14);
}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.hero-media .media-tag{
  position:absolute;
  left:16px;bottom:16px;
  background:rgba(16,20,24,.78);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  color:#fff;
  font-size:12.5px;
  font-weight:700;
  padding:8px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
}

/* ---------- 时间轴 ---------- */
.timeline{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  position:relative;
}
.timeline::before{
  content:"";
  position:absolute;
  left:0;right:0;top:52px;
  height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 12px,transparent 12px 24px);
  z-index:0;
}
.timeline-item{
  position:relative;
  z-index:1;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:26px 24px 24px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.timeline-item:hover{
  transform:translateY(-4px);
  border-color:var(--teal);
  box-shadow:var(--shadow-lg);
}
.timeline-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:52px;height:52px;
  border-radius:50%;
  background:var(--teal-mist);
  border:1px solid #CBE9E4;
  color:var(--teal-deep);
  font-size:17px;
  font-weight:800;
  letter-spacing:.02em;
  margin-bottom:18px;
}
.timeline-item h3{
  font-size:20px;
  margin-bottom:10px;
  line-height:1.4;
}
.timeline-item p{
  color:var(--muted);
  font-size:15px;
  margin-bottom:16px;
}
.timeline-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

/* ---------- 横向滚动 ---------- */
.rail-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:30px;
}
.rail-nav{display:flex;gap:10px}
.rail-btn{
  width:46px;height:46px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:16px;
  line-height:1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  box-shadow:0 6px 16px rgba(16,20,24,.06);
}
.rail-btn:hover{
  background:var(--teal);
  border-color:var(--teal);
  color:#fff;
  transform:translateY(-2px);
}
.rail-wrap{position:relative}
.rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 18px;
  scrollbar-width:thin;
  scrollbar-color:#C8D4CB transparent;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:#C8D4CB;border-radius:999px}
.rail::-webkit-scrollbar-track{background:transparent}
.rail-card{
  flex:0 0 330px;
  scroll-snap-align:start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rail-card:hover{
  transform:translateY(-4px);
  border-color:var(--teal);
  box-shadow:var(--shadow-lg);
}
.rail-thumb{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#E7F5F2,#D7E9E4);
}
.rail-thumb img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .35s ease;
}
.rail-card:hover .rail-thumb img{transform:scale(1.03)}
.rail-thumb .badge-chip{
  position:absolute;
  left:14px;top:14px;
  background:rgba(255,255,255,.94);
  color:var(--teal-deep);
}
.rail-body{
  padding:20px 20px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.rail-body h3{
  font-size:19px;
  line-height:1.42;
}
.rail-body p{
  font-size:14.5px;
  color:var(--muted);
  margin:0;
  flex:1;
}
.rail-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:8px;
}
.rail-hint{
  font-size:13.5px;
  color:var(--muted);
  margin:0;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.rail-hint::before{
  content:"";
  width:22px;height:2px;
  background:var(--teal);
  border-radius:2px;
  display:inline-block;
}
.card-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--muted);
  border-top:1px dashed var(--line);
  padding-top:12px;
}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3CDC5}

/* ---------- 相关推荐 ---------- */
.reco-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.reco-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
  box-shadow:var(--shadow);
  color:var(--ink);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.reco-card:hover{
  transform:translateY(-4px);
  border-color:var(--teal);
  box-shadow:var(--shadow-lg);
  color:var(--ink);
}
.reco-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .35s ease;
}
.reco-card:hover img{transform:scale(1.03)}
.reco-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.reco-body h3{font-size:16.5px;line-height:1.4}
.reco-body p{font-size:13.5px;color:var(--muted);margin:0;flex:1}
.reco-body .reco-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:700;
  color:var(--teal-deep);
}
.reco-card:hover .reco-link .arrow{transform:translateX(5px)}
.reco-link .arrow{transition:transform .22s ease}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.faq-item:hover{border-color:#BFDCD6}
.faq-item.is-open{
  background:var(--teal-mist);
  border-color:#AEE1D9;
  box-shadow:0 10px 26px rgba(15,169,155,.1);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  background:transparent;
  border:none;
  text-align:left;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
}
.faq-q .ico{
  flex:0 0 auto;
  width:30px;height:30px;
  border-radius:50%;
  background:#fff;
  border:1px solid var(--line);
  color:var(--teal-deep);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:700;
  line-height:1;
  transition:transform .25s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item.is-open .faq-q .ico{
  background:var(--teal);
  border-color:var(--teal);
  color:#fff;
  transform:rotate(180deg);
}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .28s ease;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{
  margin:0;
  padding:0 22px 22px;
  color:#41505A;
  font-size:15.5px;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,#E4F6F3 0%,#F0FAF8 58%,#F4F8E8 100%);
  border:1px solid #CBE9E4;
  padding:52px 44px;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,169,155,.16),transparent 70%);
}
.cta-band::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:4px;
  background:repeating-linear-gradient(90deg,var(--teal) 0 26px,transparent 26px 52px);
  opacity:.5;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
.cta-text h2{
  font-size:clamp(1.4rem,2vw,1.9rem);
  line-height:1.36;
  margin-bottom:10px;
  max-width:640px;
}
.cta-text p{color:#4C5A54;margin:0;max-width:620px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.fav-tip{
  margin-top:18px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--teal-deep);
  background:#fff;
  border:1px solid #BEE6DF;
  border-radius:999px;
  padding:8px 16px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:var(--sec);
  background:var(--dark);
  color:#B9C3C6;
  padding:0 0 26px;
  overflow:hidden;
}
.footer-track{
  height:6px;
  background:repeating-linear-gradient(90deg,var(--teal) 0 46px,transparent 46px 92px);
  opacity:.55;
}
.footer-inner{padding-top:58px}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-mark{
  display:block;
  color:#fff;
  font-size:19px;
  letter-spacing:.1em;
  margin-bottom:4px;
}
.footer-brand .brand-sub{
  display:block;
  color:var(--teal);
  font-size:12.5px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-brand p{
  color:#95A3A7;
  font-size:14px;
  line-height:1.85;
  margin:0;
  max-width:340px;
}
.footer-col h3{
  font-size:14px;
  letter-spacing:.08em;
  color:#fff;
  margin-bottom:18px;
  font-weight:800;
}
.footer-col ul{display:grid;gap:11px}
.footer-col li a{
  color:#A9B6BA;
  font-size:14.5px;
}
.footer-col li a:hover{color:var(--teal)}
.footer-col p{
  color:#95A3A7;
  font-size:13.8px;
  line-height:1.8;
  margin:0 0 12px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:#7E8C90;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-inner{gap:36px;padding-top:52px;padding-bottom:52px}
  .rail-card{flex-basis:300px}
}
@media (max-width:991.98px){
  :root{--sec:56px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-menu{
    position:absolute;
    left:50%;
    transform:translateX(-50%);
    top:calc(100% + 10px);
    width:min(560px,calc(100vw - 36px));
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:14px;
    border-radius:20px;
    background:rgba(255,255,255,.98);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border:1px solid var(--line);
    box-shadow:0 22px 44px rgba(16,20,24,.16);
    display:none;
  }
  .nav-menu.is-open{display:flex}
  .nav-link{padding:13px 16px;min-height:44px;border-radius:12px;font-size:15.5px}
  .nav-cta{order:3;margin-left:auto;padding:11px 18px;font-size:13.5px}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-media{order:2}
  .hero-media img{aspect-ratio:16/10}
  .timeline{grid-template-columns:1fr}
  .timeline::before{display:none}
  .reco-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:40px 28px}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px}
  .nav-shell{padding:10px 12px 10px 18px;min-height:62px}
  .brand-mark{font-size:15.5px}
  .brand-sub{font-size:10.5px}
  .hero-copy h1{font-size:clamp(1.75rem,7vw,2.2rem)}
  .hero-lead{font-size:15.5px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-facts li{flex:1 1 100%}
  .rail-card{flex-basis:min(300px,84vw)}
  .cta-actions .btn{flex:1 1 100%}
  .faq-q{font-size:15.5px;padding:17px 18px}
  .faq-a-inner p{padding:0 18px 18px;font-size:14.8px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-inner{padding-top:42px}
  .rail-head{align-items:flex-start}
}
@media (max-width:575.98px){
  :root{--sec:48px}
  .reco-grid{grid-template-columns:1fr}
  .page-hero{border-radius:22px}
  .hero-inner{padding-top:40px;padding-bottom:40px}
  .cta-band{padding:32px 20px;border-radius:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-head{margin-bottom:26px}
}

/* roulang page: category5 */
:root{
  --primary:#0FA99B;
  --primary-dark:#087F76;
  --primary-soft:#E4F5F2;
  --accent:#FF5A1F;
  --lime:#C9F24A;
  --bg:#F4F6F1;
  --surface:#FFFFFF;
  --dark:#101418;
  --dark-soft:#1B2328;
  --text:#1B2228;
  --muted:#667078;
  --border:#DCE3DD;
  --radius-hero:28px;
  --radius-lg:24px;
  --radius-card:18px;
  --radius-faq:16px;
  --radius-sm:12px;
  --shadow-sm:0 12px 30px rgba(16,20,24,.08);
  --shadow-lg:0 18px 40px rgba(16,20,24,.14);
  --space-section:72px;
  --bs-primary:#0FA99B;
  --bs-body-bg:#F4F6F1;
  --bs-body-color:#1B2228;
  --bs-border-color:#DCE3DD;
  --bs-link-color:#087F76;
  --bs-link-hover-color:#0FA99B;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--text);letter-spacing:-.01em;}
h1{font-size:clamp(2.1rem,4.2vw,3.6rem);line-height:1.22;letter-spacing:-.02em;}
h2{font-size:clamp(1.5rem,2.2vw,2.2rem);line-height:1.3;}
h3{font-size:20px;line-height:1.4;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding-top:var(--space-section);padding-bottom:var(--space-section);}
.section-head{margin-bottom:36px;max-width:760px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--primary-dark);text-transform:uppercase;
  padding:6px 14px;border-radius:999px;background:var(--primary-soft);
  margin-bottom:14px;
}
.section-kicker i{font-size:12px;}
.section-head p{color:var(--muted);margin:12px 0 0;font-size:16px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:16px 0 8px;
  transition:padding .25s ease,background .25s ease;
}
.site-header.is-stuck{padding-top:10px;}
.nav-shell{
  width:min(1240px,calc(100% - 32px));
  margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 22px;
  min-height:64px;
  border-radius:999px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(16,20,24,.08);
  box-shadow:0 12px 30px rgba(16,20,24,.08);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck .nav-shell{
  box-shadow:0 18px 40px rgba(16,20,24,.14);
  background:rgba(255,255,255,.94);
}
.brand{display:flex;flex-direction:column;line-height:1.15;flex-shrink:0;}
.brand-mark{
  font-size:19px;font-weight:800;letter-spacing:.06em;color:var(--text);
}
.brand-sub{font-size:11px;letter-spacing:.22em;color:var(--primary-dark);font-weight:700;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  display:inline-block;
  padding:9px 15px;border-radius:999px;
  font-size:15px;font-weight:600;color:#3A444C;
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark);}
.nav-link.active{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(15,169,155,.28);}
.nav-cta{
  flex-shrink:0;
  padding:11px 22px;border-radius:999px;
  font-size:15px;font-weight:700;
}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;border:none;
  border-radius:var(--radius-sm);
  box-shadow:0 10px 22px rgba(255,90,31,.26);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.btn-main:hover{background:#E84E15;color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,90,31,.32);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-sm);
  border:1px solid var(--border);background:#fff;color:var(--text);
  font-weight:700;font-size:15px;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-soft);transform:translateY(-2px);}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-sm);border:none;
  background:var(--primary);color:#fff;font-weight:700;font-size:16px;
  box-shadow:0 10px 24px rgba(15,169,155,.28);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.btn-primary-solid:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(8,127,118,.32);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;color:var(--primary-dark);
}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(6px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--border);background:#fff;
  position:relative;flex-shrink:0;
}
.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle::before{top:15px;}
.nav-toggle::after{top:27px;}
.nav-toggle.is-open span{opacity:0;}
.nav-toggle.is-open::before{transform:translateX(-50%) translateY(6px) rotate(45deg);}
.nav-toggle.is-open::after{transform:translateX(-50%) translateY(-6px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:18px 0 0;}
.breadcrumb{
  --bs-breadcrumb-divider:'/';
  margin:0;font-size:14px;color:var(--muted);
  background:transparent;padding:0;
}
.breadcrumb-item+.breadcrumb-item::before{color:#B6C0BA;}
.breadcrumb a{color:var(--muted);font-weight:600;}
.breadcrumb a:hover{color:var(--primary-dark);}
.breadcrumb-item.active{color:var(--text);font-weight:700;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;margin-top:20px;
  border-radius:var(--radius-hero);
  overflow:hidden;
  background:linear-gradient(115deg,#0B1317 0%,#132026 52%,#0E2A28 100%);
  color:#fff;
  padding:52px 48px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  isolation:isolate;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.36;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(circle at 88% 12%,rgba(201,242,74,.16),transparent 42%),
    linear-gradient(120deg,rgba(11,19,23,.94) 0%,rgba(11,19,23,.62) 58%,rgba(11,19,23,.36) 100%);
}
.cat-hero h1{color:#fff;}
.cat-hero h1 .hl{
  color:var(--lime);
  box-shadow:inset 0 -10px 0 rgba(201,242,74,.18);
  padding-bottom:2px;
}
.cat-hero .hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:#E9F5F2;margin-bottom:18px;
}
.cat-hero .hero-tag i{color:var(--lime);}
.cat-hero .hero-lead{
  margin-top:18px;font-size:17px;line-height:1.9;color:#CFDBD8;max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;
}
.hero-stats span{
  font-size:13px;font-weight:600;color:#DCE9E6;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
}
.hero-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:0 24px 50px rgba(0,0,0,.42);
  border:1px solid rgba(255,255,255,.14);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px;
  background:linear-gradient(to top,rgba(9,14,17,.9),rgba(9,14,17,0));
  font-size:13px;color:#DDE8E5;font-weight:600;
}

/* ---------- 步骤卡 ---------- */
.step-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.step-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:30px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  position:relative;overflow:hidden;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary);}
.step-num{
  font-size:44px;font-weight:800;line-height:1;
  color:var(--primary-soft);
  letter-spacing:-.03em;margin-bottom:10px;
  transition:color .2s ease;
  font-family:"Barlow","DIN Alternate",system-ui,sans-serif;
}
.step-card:hover .step-num{color:var(--primary);}
.step-card h3{margin-bottom:10px;}
.step-card p{color:var(--muted);font-size:15px;margin:0;}
.accent-line{
  height:3px;width:44px;border-radius:2px;background:var(--accent);
  margin:16px 0 0;
}

/* ---------- 清单提示卡 ---------- */
.check-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.check-visual{position:relative;min-height:340px;}
.check-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.check-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(8,127,118,.22),rgba(16,20,24,.62));
}
.check-visual .visual-note{
  position:relative;z-index:2;padding:26px;height:100%;
  display:flex;flex-direction:column;justify-content:flex-end;
  color:#fff;
}
.check-visual .visual-note strong{font-size:20px;display:block;margin-bottom:6px;}
.check-visual .visual-note span{font-size:14px;color:#D9E6E3;}
.check-body{padding:38px 36px;}
.check-body h2{font-size:clamp(1.4rem,2vw,1.9rem);margin-bottom:14px;}
.check-list{margin-top:20px;display:grid;gap:14px;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--radius-sm);
  background:#FAFCF9;border:1px solid var(--border);
  transition:background .2s ease,border-color .2s ease;
}
.check-list li:hover{background:var(--primary-soft);border-color:rgba(15,169,155,.4);}
.check-list .tick{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--primary);color:#fff;font-size:12px;margin-top:2px;
}
.check-list strong{display:block;font-size:15px;margin-bottom:2px;}
.check-list span{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:14px;
  box-shadow:var(--shadow-sm);
}
.accordion{--bs-accordion-border-color:transparent;--bs-accordion-btn-focus-box-shadow:none;}
.accordion-item{
  border:none;border-radius:var(--radius-faq)!important;
  margin-bottom:10px;overflow:hidden;
  background:#FAFCF9;border:1px solid var(--border)!important;
  transition:background .2s ease,border-color .2s ease;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  background:#FAFCF9;color:var(--text);
  font-weight:700;font-size:16px;line-height:1.6;
  padding:18px 56px 18px 22px;
  border-radius:var(--radius-faq)!important;
  box-shadow:none!important;
}
.accordion-button:not(.collapsed){
  background:var(--primary-soft);color:var(--primary-dark);
}
.accordion-button::after{
  background-image:none;
  width:26px;height:26px;border-radius:50%;
  background:#fff;border:1px solid var(--border);
  position:absolute;right:18px;
  content:"+";display:grid;place-items:center;
  font-size:16px;font-weight:700;color:var(--primary-dark);
  line-height:1;transform:none;
  transition:transform .22s ease,background .22s ease;
}
.accordion-button:not(.collapsed)::after{
  content:"−";background:var(--primary);color:#fff;border-color:var(--primary);
  transform:rotate(180deg);
}
.accordion-body{
  padding:6px 22px 22px;color:var(--muted);font-size:15px;line-height:1.85;
  background:var(--surface);
}
.accordion-body p:last-child{margin-bottom:0;}

/* ---------- 咨询表单 ---------- */
.form-panel{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:0;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);
}
.form-aside{
  background:linear-gradient(160deg,#0B1317,#123230);
  color:#fff;padding:40px 34px;position:relative;overflow:hidden;
}
.form-aside::after{
  content:"";position:absolute;right:-40px;bottom:-40px;
  width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,74,.22),transparent 68%);
}
.form-aside h2{color:#fff;font-size:clamp(1.35rem,1.9vw,1.8rem);margin-bottom:14px;}
.form-aside p{color:#C9D8D5;font-size:15px;}
.aside-points{margin-top:24px;display:grid;gap:12px;position:relative;z-index:2;}
.aside-points li{display:flex;gap:10px;font-size:14px;color:#DCE9E6;align-items:flex-start;}
.aside-points i{color:var(--lime);margin-top:4px;font-size:12px;}
.form-body{padding:40px 36px;}
.form-body h3{font-size:18px;margin-bottom:6px;}
.form-hint{font-size:14px;color:var(--muted);margin-bottom:22px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field label{
  display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:#28323A;
}
.field .req{color:var(--accent);margin-left:2px;}
.form-control,.form-select{
  width:100%;height:48px;
  border-radius:var(--radius-sm);
  border:1px solid var(--border);
  background:#fff;color:var(--text);
  font-size:15px;padding:10px 14px;
  box-shadow:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{height:auto;min-height:120px;resize:vertical;line-height:1.7;}
.form-control::placeholder{color:#A3ADA8;}
.form-control:focus,.form-select:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(15,169,155,.18);
}
.agree{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--muted);margin:6px 0 20px;
}
.agree input{margin-top:5px;width:16px;height:16px;accent-color:var(--primary);flex-shrink:0;}
.form-submit{width:100%;}
.form-feedback{
  display:none;margin-top:16px;
  padding:14px 16px;border-radius:var(--radius-sm);
  background:var(--primary-soft);border:1px dashed rgba(15,169,155,.5);
  color:var(--primary-dark);font-size:14px;
}
.form-feedback.show{display:block;}

/* ---------- 推荐卡 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary);}
.rec-thumb{overflow:hidden;aspect-ratio:16/10;background:var(--primary-soft);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.badge-cat{
  align-self:flex-start;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:4px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);
}
.rec-body h3{font-size:17px;line-height:1.5;}
.rec-body p{font-size:14px;color:var(--muted);margin:0;flex:1;}
.rec-body .text-link{font-size:14px;margin-top:4px;}

/* ---------- 收藏 CTA ---------- */
.fav-band{
  background:linear-gradient(120deg,var(--primary-soft),#F0F8F4 62%,#EDF6E6);
  border:1px solid rgba(15,169,155,.22);
  border-radius:var(--radius-lg);
  padding:44px 40px;
  display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
}
.fav-band h2{font-size:clamp(1.4rem,2vw,2rem);margin-bottom:8px;}
.fav-band p{color:#3D4A44;margin:0;font-size:15px;max-width:620px;}
.fav-actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn-outline-brand{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-sm);
  border:1px solid var(--primary);color:var(--primary-dark);
  background:transparent;font-weight:700;font-size:15px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-outline-brand:hover{background:var(--primary);color:#fff;transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:#A9B4B8;
  margin-top:var(--space-section);
  position:relative;
}
.footer-track{
  height:6px;
  background:repeating-linear-gradient(90deg,var(--primary) 0 44px,transparent 44px 88px),
             linear-gradient(90deg,var(--primary-dark),var(--primary));
  opacity:.75;
}
.footer-inner{padding:56px 24px 26px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-brand .brand-mark{color:#fff;font-size:20px;}
.footer-brand .brand-sub{display:block;margin-top:4px;color:var(--primary);font-size:12px;letter-spacing:.16em;}
.footer-brand p{font-size:14px;line-height:1.85;color:#8F9BA0;margin-top:16px;max-width:340px;}
.footer-col h3{
  font-size:15px;color:#fff;margin-bottom:16px;
  letter-spacing:.04em;font-weight:700;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#9AA6AB;font-size:14px;}
.footer-col a:hover{color:var(--primary);}
.footer-col p{font-size:13.5px;line-height:1.8;color:#8A969B;margin:0 0 10px;}
.footer-bottom{
  margin-top:40px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7A868B;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .rec-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  :root{--space-section:56px;}
  .nav-menu{
    position:absolute;top:calc(100% + 10px);right:16px;
    width:260px;flex-direction:column;align-items:stretch;
    gap:4px;padding:14px;
    background:#fff;border-radius:20px;
    border:1px solid var(--border);
    box-shadow:var(--shadow-lg);
    display:none;
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{padding:12px 16px;min-height:44px;border-radius:14px;}
  .nav-toggle{display:block;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-shell{position:relative;padding-right:14px;}
  .cat-hero{grid-template-columns:1fr;padding:40px 28px;gap:28px;}
  .hero-figure{order:2;}
  .step-grid{grid-template-columns:1fr;}
  .check-panel{grid-template-columns:1fr;}
  .check-visual{min-height:260px;}
  .check-visual img{position:relative;height:260px;}
  .form-panel{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  :root{--space-section:48px;}
  .container{padding-left:18px;padding-right:18px;}
  .nav-shell{width:calc(100% - 24px);padding-left:18px;}
  .cat-hero{padding:32px 22px;border-radius:22px;}
  .cat-hero .hero-lead{font-size:15.5px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 100%;justify-content:center;}
  .check-body{padding:28px 22px;}
  .form-body{padding:28px 22px;}
  .form-aside{padding:30px 22px;}
  .form-row{grid-template-columns:1fr;}
  .rec-grid{grid-template-columns:1fr;}
  .fav-band{padding:32px 22px;flex-direction:column;align-items:flex-start;}
  .fav-actions{width:100%;}
  .fav-actions .btn-primary-solid,.fav-actions .btn-outline-brand{flex:1 1 100%;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  h1{font-size:32px;}
  .cat-hero h1{font-size:30px;}
  .accordion-button{font-size:15px;padding:16px 52px 16px 18px;}
  .step-num{font-size:36px;}
  .section-head{margin-bottom:26px;}
}