/* roulang page: index */
:root{
  --brand-900:#0C1E1C;
  --brand-700:#0E5F52;
  --brand-500:#12A183;
  --brand-100:#E3F5EF;
  --accent-500:#FF6A2B;
  --accent-100:#FFE8DC;
  --ink:#16211F;
  --muted:#66756F;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E7E3;
  --danger:#D94A3D;
  --shadow-sm:0 1px 2px rgba(12,30,28,.06);
  --shadow-md:0 8px 24px -10px rgba(12,30,28,.18);
  --shadow-lg:0 18px 44px -18px rgba(12,30,28,.28);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --space-section:88px;
  --container:1200px;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;color:var(--ink)}
h1{font-size:44px;line-height:1.2}
h2{font-size:30px;line-height:1.3}
h3{font-size:20px;line-height:1.45;font-weight:600}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
img{max-width:100%;display:block}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--space-section) 0}
.section-tint{background:linear-gradient(180deg,#FFFFFF 0%,#F3F6F4 100%)}
.tabular{font-variant-numeric:tabular-nums}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{position:relative;padding-left:14px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-500)}
.section-desc{color:var(--muted);font-size:14px;margin:8px 0 0;max-width:640px}
.link-more{font-size:14px;font-weight:600;white-space:nowrap}
.link-more::after{content:"→";display:inline-block;margin-left:6px;transition:transform .2s ease}
.link-more:hover::after{transform:translateX(3px)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,242,.92);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-compact{background:rgba(255,255,255,.96);box-shadow:var(--shadow-sm);border-bottom-color:var(--line)}
.header-inner{display:flex;flex-direction:column;gap:10px;padding-top:14px;padding-bottom:12px;transition:padding .2s ease}
.site-header.is-compact .header-inner{padding-top:8px;padding-bottom:8px}
.brand-row{display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0}
.brand:hover{text-decoration:none;color:var(--brand-700)}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand-500) 0%,var(--brand-700) 55%,var(--brand-900) 100%);
  position:relative;
}
.brand-mark::after{content:"";position:absolute;left:7px;top:7px;width:12px;height:12px;border-radius:3px;background:rgba(255,255,255,.85)}
.brand-text{font-size:20px;font-weight:700;letter-spacing:-0.01em;white-space:nowrap}
.nav-search{
  flex:1;max-width:420px;display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-input);
  padding:8px 12px;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}
.nav-search svg{flex-shrink:0;color:var(--muted)}
.nav-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink)}
.nav-search input::placeholder{color:var(--muted)}
.nav-cta{margin-left:auto}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;align-items:center;justify-content:center;background:var(--surface)}
.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}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-bar{display:flex;align-items:center;gap:18px}
.nav-chips{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chips a{
  display:block;position:relative;padding:8px 12px;font-size:15px;color:var(--ink);
  white-space:nowrap;border-radius:8px;
}
.nav-chips a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-chips a:hover{color:var(--brand-500);text-decoration:none}
.nav-chips a:hover::after{transform:scaleX(1)}
.nav-chips a.active{color:var(--brand-500);font-weight:600}
.nav-chips a.active::after{transform:scaleX(1);height:3px;bottom:1px}
.nav-chips a.has-dot::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--accent-500);margin-right:6px;vertical-align:middle;
}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;background:var(--surface);
  box-shadow:var(--shadow-lg);transform:translateX(100%);transition:transform .28s cubic-bezier(.2,.7,.3,1);
  z-index:80;padding:24px 22px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.nav-drawer h4{font-size:14px;color:var(--muted);font-weight:600;margin:22px 0 10px}
.nav-drawer h4:first-child{margin-top:0}
.drawer-close{position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);font-size:18px;line-height:1;color:var(--muted)}
.drawer-list li a{display:block;padding:10px 0;border-bottom:1px solid var(--line);color:var(--ink);font-size:15px}
.drawer-list li a:hover{color:var(--brand-500);text-decoration:none}
.nav-mask{position:fixed;inset:0;background:rgba(12,30,28,.4);opacity:0;pointer-events:none;transition:opacity .28s ease;z-index:70}
.nav-mask.open{opacity:1;pointer-events:auto}

/* ============ 按钮 / 标签 ============ */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent-500);color:#fff;font-size:15px;font-weight:600;
  padding:12px 26px;border-radius:999px;border:1px solid transparent;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease,background .2s ease;
}
.btn-primary:hover{background:#F25B18;color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand-500);font-size:15px;font-weight:600;
  padding:11px 24px;border-radius:10px;border:1.5px solid var(--brand-500);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none;transform:translateY(-1px)}
.btn-primary.small,.btn-ghost.small{padding:9px 18px;font-size:14px}
.badge{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand-700);
  background:var(--brand-100);padding:3px 9px;line-height:1.6;
  clip-path:polygon(6px 0,100% 0,100% 100%,0 100%,0 6px);
}
.badge-accent{background:var(--accent-100);color:var(--accent-500)}
.badge-accent::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent-500);margin-right:6px;vertical-align:middle}
.badge-soft{background:rgba(255,255,255,.14);color:#EAF6F2}

/* ============ Hero ============ */
.hero{position:relative;background:var(--brand-900);color:#fff;overflow:hidden;padding:74px 0 78px}
.hero::before,.hero::after{
  content:"✦";position:absolute;color:#fff;opacity:.08;font-size:120px;line-height:1;pointer-events:none;
}
.hero::before{top:-24px;left:-10px}
.hero::after{right:-6px;bottom:-52px;font-size:180px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative;z-index:2}
.hero h1{color:#fff;font-size:44px;line-height:1.22;margin:18px 0 16px;letter-spacing:-0.01em}
.hero-sub{color:#BFD6D0;font-size:17px;margin:0 0 28px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-actions .btn-ghost{color:#8FE3CE;border-color:rgba(143,227,206,.55)}
.hero-actions .btn-ghost:hover{background:rgba(18,161,131,.18);color:#CFF6E9;border-color:#8FE3CE}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats li{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:12px;padding:12px 18px;min-width:132px;
}
.hero-stats strong{display:block;font-size:22px;font-weight:700;color:#7FE0C4;font-variant-numeric:tabular-nums;line-height:1.3}
.hero-stats span{font-size:13px;color:#A9C4BD}
.hero-media{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(12,30,28,.42) 0%,rgba(12,30,28,.06) 55%,rgba(12,30,28,.55) 100%)}
.hero-float{
  position:absolute;right:16px;bottom:16px;z-index:3;display:flex;gap:10px;align-items:flex-start;
  background:rgba(255,255,255,.96);border-radius:12px;padding:12px 16px;max-width:250px;box-shadow:var(--shadow-md);
}
.hero-float strong{display:block;font-size:14px;color:var(--ink)}
.hero-float p{margin:2px 0 0;font-size:12px;color:var(--muted);line-height:1.5}
.hero-float .dot{width:9px;height:9px;border-radius:50%;background:var(--brand-500);flex-shrink:0;margin-top:6px;box-shadow:0 0 0 4px rgba(18,161,131,.16)}

/* ============ 卡片网格 ============ */
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card-hot{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
}
.card-hot:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,161,131,.3)}
.card-hot .thumb{position:relative;overflow:hidden}
.card-hot .thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease}
.card-hot:hover .thumb img{transform:scale(1.03)}
.card-hot .thumb .badge{position:absolute;top:12px;left:12px}
.card-hot .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-hot h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-hot h3 a{color:var(--ink)}
.card-hot h3 a:hover{color:var(--brand-500);text-decoration:none}
.card-hot p{font-size:14px;color:var(--muted);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-hot .meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:auto;padding-top:6px}
.card-hot .meta .tabular{font-variant-numeric:tabular-nums}
.card-hot-lead{grid-column:span 2;grid-row:span 2}
.card-hot-lead .thumb img{aspect-ratio:16/9}
.card-hot-lead .body{padding:22px 24px 24px}
.card-hot-lead h3{font-size:24px;-webkit-line-clamp:2}
.card-hot-lead p{font-size:15px;-webkit-line-clamp:3}
.card-hot-text{background:linear-gradient(160deg,#FFFFFF 0%,var(--brand-100) 130%)}
.card-hot-text .body{padding:20px 20px 22px;gap:10px}
.card-hot-text h3{font-size:17px}
.card-hot-text .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:8px}

/* ============ 评价轮播 ============ */
.carousel-nav{display:flex;gap:10px}
.carousel-nav button{
  width:40px;height:40px;border-radius:50%;border:1.5px solid var(--line);background:var(--surface);
  color:var(--muted);display:flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.carousel-nav button:hover{background:var(--brand-500);border-color:var(--brand-500);color:#fff}
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:8px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:12px;transition:transform .22s ease,box-shadow .22s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;aspect-ratio:1/1;border-radius:50%;flex-shrink:0;
  background:var(--brand-100);color:var(--brand-700);font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;
}
.review-name{font-size:15px;font-weight:600;color:var(--ink);line-height:1.4}
.review-role{font-size:12px;color:var(--muted)}
.stars{color:var(--accent-500);font-size:14px;letter-spacing:2px;line-height:1}
.review-text{font-size:14px;color:#33423E;line-height:1.8;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.review-source{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:10px;margin-top:auto}

/* ============ 最新信息 ============ */
.latest-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:40px}
.news-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.card-news{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);position:relative;transition:background .2s ease}
.card-news:hover{background:rgba(227,245,239,.35)}
.card-news .news-thumb{flex:0 0 220px;border-radius:var(--radius-img);overflow:hidden;display:block}
.card-news .news-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease}
.card-news:hover .news-thumb img{transform:scale(1.04)}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.news-body h3{font-size:19px;line-height:1.5}
.news-body h3 a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a:hover{color:var(--brand-500);text-decoration:none}
.news-body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);margin-top:auto}
.news-meta time{font-variant-numeric:tabular-nums}
.latest-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 22px;box-shadow:var(--shadow-sm);align-self:start;position:sticky;top:120px}
.latest-side h3{font-size:18px;margin-bottom:6px}
.latest-side .side-sub{font-size:13px;color:var(--muted);margin:0 0 14px}
.side-rank li{border-bottom:1px dashed var(--line)}
.side-rank li:last-child{border-bottom:0}
.side-rank a{display:flex;gap:12px;padding:13px 0;color:var(--ink);font-size:14px;line-height:1.6}
.side-rank a:hover{color:var(--brand-500);text-decoration:none}
.rank-num{font-size:20px;font-weight:700;color:var(--brand-500);line-height:1.2;font-variant-numeric:tabular-nums;flex-shrink:0;font-style:normal}
.rank-num.top{color:var(--accent-500)}

/* ============ 空态 / 骨架 ============ */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:32px;text-align:center;color:var(--muted);
}
.empty-state svg{color:var(--brand-500);opacity:.75}
.empty-state p{font-size:15px;margin:0}
.skeleton{background:var(--line);border-radius:8px;position:relative;overflow:hidden}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.65) 50%,rgba(255,255,255,0) 100%);
  animation:sweep 1.4s ease-in-out infinite;
}
@keyframes sweep{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* ============ 保障条 ============ */
.banner-trust{background:var(--brand-900);color:#fff;padding:56px 0}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{padding:6px 26px;border-left:1px solid rgba(255,255,255,.12)}
.trust-item:first-child{border-left:0;padding-left:0}
.trust-item svg{color:#7FE0C4;margin-bottom:12px}
.trust-item strong{display:block;font-size:16px;margin-bottom:6px;color:#fff}
.trust-item p{margin:0;font-size:13px;color:#A9C4BD;line-height:1.7}

/* ============ CTA 大条 ============ */
.cta-band{
  position:relative;background:linear-gradient(120deg,var(--brand-900) 0%,var(--brand-700) 100%);
  color:#fff;border-radius:var(--radius-card);padding:44px 48px;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before,.cta-band::after{content:"✦";position:absolute;color:#fff;opacity:.09;font-size:96px;line-height:1;pointer-events:none}
.cta-band::before{top:-18px;right:180px}
.cta-band::after{bottom:-38px;left:36%;font-size:120px}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px;position:relative;z-index:2}
.cta-band p{margin:0;color:#B9D2CB;font-size:14px;position:relative;z-index:2}
.cta-band .cta-actions{position:relative;z-index:2}
.cta-note{position:relative;z-index:2;flex-basis:100%;font-size:12px;color:#8FAFA7;margin-top:-12px}

/* ============ FAQ ============ */
.faq{max-width:800px;margin:0 auto}
.faq details{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:14px;overflow:hidden;transition:background .18s ease,border-color .18s ease;
}
.faq details[open]{background:var(--brand-100);border-color:rgba(18,161,131,.35);position:relative}
.faq details[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-500)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;font-size:16px;font-weight:600;color:var(--ink);
  position:relative;line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:24px;top:24px;width:10px;height:10px;
  border-right:2px solid var(--brand-500);border-bottom:2px solid var(--brand-500);
  transform:rotate(45deg);transition:transform .18s ease;
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .faq-body{padding:0 24px 22px;font-size:15px;color:#3A4A46;line-height:1.85}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#C4D6D1;padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{color:#9DB5AF;font-size:13px;line-height:1.8;margin:14px 0 0;max-width:300px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-list li{margin-bottom:10px}
.footer-list a{color:#A9C4BD;font-size:14px}
.footer-list a:hover{color:#7FE0C4;text-decoration:none}
.footer-contact p{margin:0 0 10px;color:#9DB5AF;font-size:13px;line-height:1.75}
.footer-contact a{color:#7FE0C4}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FAFA7;
}
.footer-bottom .copy{font-variant-numeric:tabular-nums}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 22px}
  h1{font-size:40px}
  .hero h1{font-size:40px}
}
@media (max-width:1023px){
  :root{--space-section:64px}
  .container{padding:0 20px}
  .hero{padding:56px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:34px}
  .hot-grid{grid-template-columns:repeat(2,1fr)}
  .card-hot-lead{grid-column:span 2;grid-row:auto}
  .card-hot-lead h3{font-size:21px}
  .latest-grid{grid-template-columns:1fr;gap:28px}
  .latest-side{position:static}
  .review-card{flex:0 0 calc((100% - 20px)/2)}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .trust-item:nth-child(3){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:36px 32px}
}
@media (max-width:767px){
  :root{--space-section:48px}
  .container{padding:0 16px}
  h1{font-size:28px}
  h2{font-size:23px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .nav-search,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-chips{margin:0 -16px;padding:0 16px 2px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .card-news{flex-direction:column;gap:14px}
  .card-news .news-thumb{flex:none;width:100%}
  .review-card{flex:0 0 82%}
  .trust-grid{grid-template-columns:1fr;gap:0}
  .trust-item{border-left:0;padding:20px 0;border-top:1px solid rgba(255,255,255,.12)}
  .trust-item:first-child{border-top:0;padding-top:0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .hot-grid{grid-template-columns:1fr}
  .card-hot-lead{grid-column:span 1}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{width:100%}
  .hero-stats li{flex:1 1 100%}
}

/* roulang page: category1 */
:root{
  --brand-900:#0C1E1C;
  --brand-700:#0E5F52;
  --brand-500:#12A183;
  --brand-100:#E3F5EF;
  --accent-500:#FF6A2B;
  --accent-100:#FFE8DC;
  --ink:#16211F;
  --muted:#66756F;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E7E3;
  --danger:#D94A3D;
  --shadow-sm:0 1px 2px rgba(12,30,28,.06);
  --shadow-md:0 8px 24px -10px rgba(12,30,28,.18);
  --shadow-lg:0 18px 44px -18px rgba(12,30,28,.28);
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color .18s var(--ease);}
a:hover{text-decoration:underline;text-underline-offset:3px;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;line-height:1.3;}
p{margin:0 0 1.2em 0;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,242,.92);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:var(--shadow-sm);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:72px;transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:19px;letter-spacing:-0.01em;}
.brand:hover{text-decoration:none;color:var(--brand-700);}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-700));
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:0;margin:auto;width:9px;height:9px;
  background:#fff;border-radius:2px;transform:rotate(45deg);
}
.brand-text{white-space:nowrap;}
.header-tools{display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 12px;height:40px;width:260px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100);}
.search-box .icon{width:18px;height:18px;stroke:var(--muted);stroke-width:1.5;fill:none;flex:0 0 auto;}
.search-box input{
  border:0;outline:0;background:transparent;width:100%;height:100%;font-size:14px;
}
.search-box input::placeholder{color:var(--muted);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent-500);color:#fff;font-weight:600;font-size:15px;
  padding:12px 26px;border-radius:999px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.btn-primary:hover{background:#f25c1c;box-shadow:var(--shadow-md);transform:translateY(-1px);text-decoration:none;color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid var(--brand-500);color:var(--brand-500);font-weight:600;font-size:15px;
  padding:11px 24px;border-radius:10px;background:transparent;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.btn-ghost:hover{background:var(--brand-100);text-decoration:none;color:var(--brand-700);transform:translateY(-1px);}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:17px;height:1.5px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.hamburger.is-open span:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}

.nav-bar{
  border-top:1px solid var(--line);
  background:transparent;
}
.site-header.is-scrolled .nav-bar{border-top-color:transparent;}
.nav-chips{
  display:flex;align-items:center;gap:26px;
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:46px;overflow-x:auto;scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chips li{flex:0 0 auto;}
.nav-chips a{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  color:var(--ink);font-size:15px;line-height:46px;height:46px;
  border-bottom:3px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.nav-chips a:hover{color:var(--brand-500);text-decoration:none;border-bottom-color:var(--brand-100);}
.nav-chips a.active{color:var(--brand-500);font-weight:600;border-bottom-color:var(--brand-500);}
.nav-chips a.has-dot::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500);flex:0 0 auto;
}

.drawer{
  position:fixed;top:0;right:0;z-index:80;
  width:280px;max-width:86vw;height:100%;
  background:var(--surface);border-left:1px solid var(--line);
  box-shadow:var(--shadow-lg);
  transform:translateX(100%);transition:transform .24s var(--ease);
  padding:22px 20px 40px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(12,30,28,.42);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer h5{margin:0 0 10px;font-size:13px;font-weight:600;color:var(--muted);letter-spacing:0;}
.drawer .drawer-group{margin-bottom:24px;}
.drawer .drawer-group a{
  display:block;padding:11px 0;border-bottom:1px solid var(--line);
  color:var(--ink);font-size:15px;
}
.drawer .drawer-group a:hover{color:var(--brand-500);text-decoration:none;}
.drawer .drawer-group a.active{color:var(--brand-500);font-weight:600;}
.drawer .btn-primary{width:100%;margin-top:6px;}

/* ---------- 通用 ---------- */
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{
  position:relative;font-size:30px;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-500);
}
.section-head p{margin:8px 0 0;color:var(--muted);font-size:15px;max-width:660px;}
.sec-link{font-size:14px;font-weight:600;white-space:nowrap;}

.badge{
  display:inline-block;font-size:13px;font-weight:600;line-height:1;
  padding:6px 10px;background:var(--brand-100);color:var(--brand-700);
  clip-path:polygon(6px 0,100% 0,100% 100%,0 100%,0 6px);
}
.badge-hot{background:var(--accent-100);color:var(--accent-500);}
.badge-hot::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent-500);margin-right:6px;vertical-align:1px;}

/* ---------- 分类横幅 ---------- */
.hero{
  position:relative;overflow:hidden;
  background-color:var(--brand-900);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(12,30,28,.94) 0%,rgba(12,30,28,.86) 45%,rgba(12,30,28,.7) 100%);
}
.hero .spark{position:absolute;width:120px;height:120px;opacity:.08;pointer-events:none;}
.hero .spark-a{top:-24px;right:8%;}
.hero .spark-b{bottom:-30px;right:26%;width:88px;height:88px;}
.hero-inner{position:relative;padding:64px 0 68px;display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:end;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px;}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;}
.hero h1{
  font-size:42px;line-height:1.22;color:#fff;margin-bottom:16px;max-width:760px;
}
.hero h1 em{font-style:normal;color:#7FE7CD;}
.hero-lead{color:rgba(255,255,255,.78);font-size:16px;max-width:700px;margin:0;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tags span{
  font-size:13px;padding:6px 12px;border:1px solid rgba(255,255,255,.24);
  border-radius:999px;color:rgba(255,255,255,.86);
}
.hero-aside{
  border-left:1px solid rgba(255,255,255,.16);padding-left:26px;
}
.hero-aside dl{margin:0;display:grid;gap:16px;}
.hero-aside dt{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:4px;}
.hero-aside dd{margin:0;font-size:22px;font-weight:700;color:#fff;}

/* ---------- 筛选 chips ---------- */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:20px 0 4px;
}
.filter-bar .chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--muted);
  transition:all .18s var(--ease);
}
.filter-bar .chip:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100);}
.filter-bar .chip.is-active{background:var(--brand-500);border-color:var(--brand-500);color:#fff;font-weight:600;}

/* ---------- 三列图文卡片 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:26px;}
.card-cat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card-cat:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(18,161,131,.3);
}
.card-cat .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--brand-100);}
.card-cat .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.card-cat:hover .thumb img{transform:scale(1.03);}
.card-cat .thumb .badge{position:absolute;left:12px;top:12px;}
.card-cat .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-cat h3{font-size:18px;font-weight:600;line-height:1.5;}
.card-cat p{color:var(--muted);font-size:14px;line-height:1.8;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-cat .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}

/* ---------- 深色核对带 ---------- */
.banner-trust{background:var(--brand-900);color:#fff;}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.trust-cell{
  padding:38px 26px;border-right:1px solid rgba(255,255,255,.12);
}
.trust-cell:last-child{border-right:0;}
.trust-cell .icon{width:24px;height:24px;stroke:#7FE7CD;stroke-width:1.5;fill:none;margin-bottom:14px;}
.trust-cell h3{font-size:17px;color:#fff;margin-bottom:8px;}
.trust-cell p{font-size:14px;color:rgba(255,255,255,.68);margin:0;line-height:1.75;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:34px;counter-reset:step;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step .no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--brand-100);color:var(--brand-700);
  font-weight:700;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);margin:0;line-height:1.8;}

/* ---------- 场景列表 ---------- */
.scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:30px;}
.scene-item{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-sm);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.scene-item:hover{border-color:rgba(18,161,131,.3);box-shadow:var(--shadow-md);}
.scene-item .icon{width:22px;height:22px;stroke:var(--brand-500);stroke-width:1.5;fill:none;flex:0 0 auto;margin-top:4px;}
.scene-item h3{font-size:16px;margin-bottom:6px;}
.scene-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq{max-width:800px;margin:0 auto;}
.faq details{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color .18s var(--ease);
}
.faq details[open]{border-color:rgba(18,161,131,.35);background:var(--brand-100);}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);
  border-left:3px solid transparent;transition:border-color .18s var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq details[open] summary{border-left-color:var(--brand-500);}
.faq summary .arrow{
  flex:0 0 auto;width:18px;height:18px;stroke:var(--muted);stroke-width:1.8;fill:none;
  transition:transform .18s var(--ease),stroke .18s var(--ease);
}
.faq details[open] summary .arrow{transform:rotate(180deg);stroke:var(--brand-500);}
.faq .answer{padding:0 22px 22px 25px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- CTA 大条 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-900);color:#fff;
  border-radius:20px;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band .spark{position:absolute;width:96px;height:96px;opacity:.08;pointer-events:none;}
.cta-band .spark-a{top:-26px;right:18%;}
.cta-band h2{font-size:28px;color:#fff;margin-bottom:10px;position:relative;}
.cta-band p{color:rgba(255,255,255,.7);font-size:14px;margin:0;max-width:560px;position:relative;}
.cta-band .btn-primary{flex:0 0 auto;position:relative;padding:16px 34px;font-size:16px;}

/* ---------- 表格化列表（备用组件） ---------- */
.list-table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);}
.list-table th{background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;text-align:left;padding:14px 18px;}
.list-table td{padding:16px 18px;border-top:1px solid var(--line);font-size:14px;color:var(--muted);}
.list-table tbody tr:hover{background:var(--brand-100);}

/* ---------- 空态 / 骨架 ---------- */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);
  text-align:center;padding:40px 24px;
}
.empty-state .icon{width:28px;height:28px;stroke:var(--muted);stroke-width:1.5;fill:none;}
.empty-state p{color:var(--muted);font-size:14px;margin:0;}
.skeleton{
  position:relative;overflow:hidden;background:var(--line);border-radius:10px;
}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);
  transform:translateX(-100%);animation:shine 1.4s infinite;
}
@keyframes shine{to{transform:translateX(100%);}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:88px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand:hover{color:#7FE7CD;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:0;max-width:320px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-list a:hover{color:#7FE7CD;text-decoration:none;}
.footer-contact p{font-size:14px;margin:0 0 10px;line-height:1.8;}
.footer-contact a{color:#7FE7CD;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero h1{font-size:38px;}
}
@media (max-width:1023px){
  .container{padding:0 20px;}
  .nav-chips{padding:0 20px;gap:20px;}
  .search-box{width:200px;}
  .section{padding:64px 0;}
  .hero-inner{grid-template-columns:1fr;gap:28px;padding:52px 0 56px;}
  .hero-aside{border-left:0;border-top:1px solid rgba(255,255,255,.16);padding:22px 0 0;}
  .hero-aside dl{grid-template-columns:repeat(3,1fr);}
  .hero h1{font-size:34px;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .trust-cell:nth-child(2){border-right:0;}
  .trust-cell:nth-child(1),.trust-cell:nth-child(2){border-bottom:1px solid rgba(255,255,255,.12);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:42px 32px;}
}
@media (max-width:767px){
  .search-box,.header-tools .btn-primary{display:none;}
  .hamburger{display:flex;}
  .section{padding:48px 0;}
  .hero h1{font-size:28px;}
  .hero-lead{font-size:15px;}
  .hero-aside dd{font-size:19px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .cat-grid{grid-template-columns:1fr;}
  .scene-list{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .trust-cell{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);}
  .trust-cell:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 22px;border-radius:16px;}
  .cta-band h2{font-size:22px;}
  .site-footer{margin-top:56px;padding-top:48px;}
}
@media (max-width:479px){
  .container{padding:0 16px;}
  .nav-chips{padding:0 16px;margin-left:-16px;margin-right:-16px;padding-left:16px;padding-right:16px;}
  .hero h1{font-size:24px;}
  .hero-inner{padding:40px 0 44px;}
  .brand{font-size:17px;}
}

/* roulang page: article */
:root{
  --brand-900:#0C1E1C;
  --brand-700:#0E5F52;
  --brand-500:#12A183;
  --brand-100:#E3F5EF;
  --accent-500:#FF6A2B;
  --accent-100:#FFE8DC;
  --ink:#16211F;
  --muted:#66756F;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E7E3;
  --shadow-sm:0 1px 2px rgba(12,30,28,.06);
  --shadow-md:0 8px 24px -10px rgba(12,30,28,.18);
  --shadow-lg:0 18px 44px -18px rgba(12,30,28,.28);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;letter-spacing:-.01em;font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input{font:inherit;color:inherit;}
time,.num,.tabular{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(18,161,131,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:30px;position:relative;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand-500);}
.section-head .more{font-size:15px;font-weight:500;white-space:nowrap;}
.eyebrow{font-size:13px;letter-spacing:.04em;color:var(--brand-700);font-weight:600;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,242,.92);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:var(--shadow-sm);
  border-bottom-color:var(--line);
}
.brand-row{display:flex;align-items:center;gap:18px;height:72px;transition:height .2s ease;}
.site-header.is-scrolled .brand-row{height:58px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto;}
.brand:hover{color:var(--ink);text-decoration:none;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;position:relative;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  box-shadow:var(--shadow-sm);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;background:var(--accent-500);
  clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box i{position:absolute;left:12px;color:var(--muted);font-size:14px;pointer-events:none;}
.search-box input{
  width:250px;height:40px;border:1px solid var(--line);border-radius:var(--radius-input);
  background:var(--surface);padding:0 14px 0 34px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;outline:none;
}
.search-box input::placeholder{color:#9AA8A3;}
.search-box input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:999px;
  background:var(--accent-500);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--shadow-sm);
  transition:background .2s ease,transform .2s var(--ease),box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary:hover{background:#F05A18;color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:10px;
  border:1.5px solid var(--brand-500);color:var(--brand-500);
  background:transparent;font-size:15px;font-weight:600;
  transition:background .2s ease,color .2s ease,transform .2s var(--ease);
  white-space:nowrap;
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none;transform:translateY(-1px);}
.btn-ghost-sm{height:36px;padding:0 16px;font-size:14px;border-radius:9px;}
.hamburger{
  display:none;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:16px;
}
.hamburger:hover{border-color:var(--brand-500);color:var(--brand-500);}

.nav-bar{border-top:1px solid var(--line);}
.nav-chips{display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chips li{flex:0 0 auto;}
.nav-chips a{
  display:inline-flex;align-items:center;gap:7px;
  padding:12px 15px;font-size:15px;font-weight:500;color:var(--ink);
  border-bottom:3px solid transparent;
  transition:color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.nav-chips a:hover{color:var(--brand-500);border-bottom-color:var(--brand-500);text-decoration:none;}
.nav-chips a.active{color:var(--brand-500);border-bottom-color:var(--brand-500);font-weight:600;}
.nav-chips a.has-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500);flex:0 0 auto;}
.nav-bar .nav-inner{display:flex;align-items:center;gap:16px;}
.nav-trend{margin-left:auto;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px;white-space:nowrap;}
.nav-trend b{color:var(--accent-500);font-weight:600;}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,30,28,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:60;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:280px;max-width:86vw;
  background:var(--surface);z-index:61;transform:translateX(100%);
  transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  box-shadow:var(--shadow-lg);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head .brand-text{font-size:17px;}
.drawer-close{width:36px;height:36px;border-radius:9px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;}
.drawer-close:hover{border-color:var(--brand-500);color:var(--brand-500);}
.drawer h4{font-size:13px;color:var(--muted);font-weight:600;margin:18px 0 10px;letter-spacing:.04em;}
.drawer-links li a{
  display:block;padding:11px 12px;border-radius:10px;color:var(--ink);font-size:15px;font-weight:500;
}
.drawer-links li a:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none;}
.drawer-links li a.active{background:var(--brand-100);color:var(--brand-700);font-weight:600;}
.drawer .btn-primary{width:100%;margin-top:18px;}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.9;}

/* ---------- breadcrumb + article head ---------- */
.article-hero{padding:32px 0 8px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb .sep{color:#C3CCC8;}
.breadcrumb .current{color:var(--ink);font-weight:500;}
.article-title{font-size:42px;line-height:1.22;max-width:900px;}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:20px;font-size:14px;color:var(--muted);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C3CCC8;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;font-size:13px;font-weight:600;
  background:var(--brand-100);color:var(--brand-700);
  clip-path:polygon(0 0,100% 0,100% 100%,6px 100%,0 calc(100% - 6px));
}
.badge-accent{
  background:var(--accent-100);color:var(--accent-500);
}
.badge-accent::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500);}

/* ---------- layout ---------- */
.article-wrap{padding:32px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.article-main{min-width:0;}
.article-cover{
  margin:0 0 36px;border-radius:var(--radius-card);overflow:hidden;position:relative;
  aspect-ratio:16/9;background:var(--brand-900);
  box-shadow:var(--shadow-md);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(12,30,28,.34),rgba(12,30,28,.04) 60%);
}
.article-content{
  font-size:17px;line-height:1.9;
  max-width:760px;
}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  font-size:28px;font-weight:700;line-height:1.35;letter-spacing:-.01em;
  margin:44px 0 16px;padding-left:15px;position:relative;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand-500);
}
.article-content h3{font-size:20px;font-weight:600;margin:32px 0 12px;}
.article-content h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:4px;}
.article-content ul li{position:relative;padding-left:18px;margin-bottom:9px;}
.article-content ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:1.5px;background:var(--brand-500);
}
.article-content ol{list-style:decimal;padding-left:24px;}
.article-content ol li{margin-bottom:9px;padding-left:4px;}
.article-content blockquote{
  margin:24px 0;padding:16px 20px;background:var(--brand-100);
  border-left:3px solid var(--brand-500);border-radius:0 12px 12px 0;color:var(--brand-700);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content pre{
  background:var(--brand-900);color:#D9E8E3;border-radius:12px;
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:0 0 1.4em;
}
.article-content code{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:.92em;
}
.article-content p code,.article-content li code{
  background:var(--brand-100);color:var(--brand-700);padding:2px 6px;border-radius:6px;
}
.article-content img{border-radius:var(--radius-img);margin:22px 0;}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-content table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-content thead th{background:var(--brand-100);color:var(--brand-700);font-weight:600;text-align:left;}
.article-content th,.article-content td{padding:11px 14px;border:1px solid var(--line);}
.article-content tbody tr:nth-child(even){background:var(--bg);}
.article-content a{font-weight:500;border-bottom:1px solid rgba(18,161,131,.35);}
.article-content a:hover{text-decoration:none;border-bottom-color:var(--brand-500);}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-title{font-size:16px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand-500);}
.hot-list li{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-num{
  font-size:19px;font-weight:700;color:var(--brand-500);line-height:1.4;
  flex:0 0 auto;font-variant-numeric:tabular-nums;
}
.hot-list a{color:var(--ink);font-size:14.5px;line-height:1.6;}
.hot-list a:hover{color:var(--brand-500);}
.side-card.side-note{background:var(--brand-900);border-color:var(--brand-900);color:#D6E5E0;position:relative;overflow:hidden;}
.side-card.side-note .side-title{color:#fff;}
.side-card.side-note .side-title::before{background:var(--accent-500);}
.side-card.side-note p{font-size:14px;line-height:1.85;color:rgba(214,229,224,.86);margin-bottom:16px;}
.side-card.side-note .btn-ghost{border-color:var(--accent-500);color:#fff;background:var(--accent-500);border-width:0;width:100%;}
.side-card.side-note .btn-ghost:hover{background:#F05A18;}
.side-note .spark{
  position:absolute;right:-14px;bottom:-14px;width:96px;height:96px;opacity:.09;
  background:#fff;clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);
}

/* ---------- article footer blocks ---------- */
.backcat{margin:48px 0 0;padding-top:32px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.backcat span{font-size:14px;color:var(--muted);}
.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;
}
.pager a{
  display:block;padding:18px 20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,161,131,.3);text-decoration:none;}
.pager .label{font-size:12.5px;color:var(--muted);display:block;margin-bottom:6px;}
.pager .txt{font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.6;}
.pager .next{text-align:right;}

/* ---------- cards ---------- */
.card-news{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card-news:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,161,131,.3);}
.card-news .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--brand-100);}
.card-news .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.card-news:hover .thumb img{transform:scale(1.04);}
.card-news .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-news h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-news h3 a{color:var(--ink);}
.card-news h3 a:hover{color:var(--brand-500);text-decoration:none;}
.card-news p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-top:auto;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}

/* ---------- empty / skeleton ---------- */
.empty-state{
  min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:40px 24px;text-align:center;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state i{font-size:30px;color:var(--brand-500);}
.empty-state p{color:var(--muted);font-size:15px;max-width:420px;}
.skeleton{
  position:relative;overflow:hidden;background:var(--line);border-radius:8px;
}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.72),transparent);
  transform:translateX(-100%);animation:sweep 1.4s infinite;
}
@keyframes sweep{to{transform:translateX(100%);}}

/* ---------- faq ---------- */
.faq{max-width:800px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:rgba(18,161,131,.35);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;text-align:left;color:var(--ink);
  position:relative;
}
.faq-item.is-open .faq-q{background:var(--brand-100);color:var(--brand-700);}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;background:var(--brand-500);border-radius:0 3px 3px 0;
}
.faq-arrow{
  width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg);transition:transform .18s var(--ease);flex:0 0 auto;margin-right:4px;
}
.faq-item.is-open .faq-arrow{transform:rotate(-135deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s var(--ease);}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{padding:16px 22px 20px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--brand-900);color:#fff;position:relative;overflow:hidden;
  padding:56px 0;
}
.cta-band .inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-band h2{font-size:30px;color:#fff;max-width:640px;}
.cta-band p{font-size:14px;color:rgba(255,255,255,.62);margin-top:12px;}
.cta-band .spark{
  position:absolute;width:140px;height:140px;background:#fff;opacity:.08;
  clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);
}
.cta-band .spark.s1{top:-40px;right:12%;}
.cta-band .spark.s2{bottom:-60px;left:6%;width:100px;height:100px;}
.btn-cta-lg{
  display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 34px;border-radius:999px;
  background:var(--accent-500);color:#fff;font-size:16px;font-weight:700;
  box-shadow:var(--shadow-md);
  transition:background .2s ease,transform .2s var(--ease);
}
.btn-cta-lg:hover{background:#F05A18;color:#fff;text-decoration:none;transform:translateY(-2px);}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px;}
.footer-brand .brand{color:#fff;margin-bottom:14px;}
.footer-brand .brand:hover{color:#fff;text-decoration:none;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:320px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-list a:hover{color:var(--brand-500);text-decoration:none;}
.footer-contact p{font-size:14px;line-height:1.9;margin-bottom:10px;color:rgba(255,255,255,.6);}
.footer-contact a{color:rgba(255,255,255,.86);}
.footer-contact a:hover{color:var(--accent-500);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-title{font-size:38px;}
  .article-layout{gap:36px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .container{padding:0 20px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-side{position:static;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .search-box input{width:180px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .container{padding:0 16px;}
  .brand-row{height:64px;}
  .search-box{display:none;}
  .hamburger{display:inline-flex;}
  .header-right .btn-primary{display:none;}
  .nav-bar .nav-inner{margin:0 -16px;padding:0 16px;}
  .nav-trend{display:none;}
  .nav-chips a{padding:11px 12px;font-size:14.5px;}
  .article-hero{padding:22px 0 4px;}
  .article-title{font-size:27px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:22px;}
  .section-head h2{font-size:23px;}
  .article-content{font-size:16.5px;}
  .article-content h2{font-size:22px;margin:34px 0 14px;}
  .article-content h3{font-size:18px;}
  .rel-grid{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .pager .next{text-align:left;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-band{padding:44px 0;}
  .cta-band h2{font-size:23px;}
}
@media (max-width:479px){
  .article-title{font-size:24px;}
  .article-cover{border-radius:14px;}
  .btn-primary,.btn-ghost{height:40px;padding:0 18px;font-size:14.5px;}
}

/* roulang page: category2 */
/* ============ 设计令牌 ============ */
:root{
  --brand-900:#0C1E1C;
  --brand-700:#0E5F52;
  --brand-500:#12A183;
  --brand-100:#E3F5EF;
  --accent-500:#FF6A2B;
  --accent-100:#FFE8DC;
  --ink:#16211F;
  --muted:#66756F;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E7E3;
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(12,30,28,.06);
  --shadow-md:0 8px 24px -10px rgba(12,30,28,.18);
  --shadow-lg:0 18px 44px -18px rgba(12,30,28,.28);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s var(--ease);}
a:hover{text-decoration:underline;text-underline-offset:3px;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(247,246,242,.92);
  border-bottom:1px solid transparent;
  transition:background .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:var(--shadow-sm);
  border-bottom-color:var(--line);
}
.header-top-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-top-inner{height:56px;}

.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:20px;letter-spacing:-.01em;}
.brand:hover{text-decoration:none;color:var(--brand-700);}
.brand-mark{
  position:relative;
  width:28px;height:28px;flex:0 0 auto;
  border-radius:9px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  box-shadow:0 4px 10px -4px rgba(18,161,131,.7);
}
.brand-mark::before{
  content:"";position:absolute;left:8px;top:8px;width:12px;height:12px;
  border:2px solid #fff;border-radius:3px;
}
.brand-mark::after{
  content:"";position:absolute;right:5px;top:5px;width:6px;height:6px;border-radius:50%;
  background:var(--accent-500);border:1.5px solid #fff;
}
.brand-text{white-space:nowrap;}

.header-actions{display:flex;align-items:center;gap:12px;}

.search-box{position:relative;display:flex;align-items:center;}
.search-box .search-icon{
  position:absolute;left:12px;width:18px;height:18px;
  fill:none;stroke:var(--muted);stroke-width:1.5;pointer-events:none;
}
.search-box input{
  width:250px;
  padding:9px 14px 9px 38px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:#fff;
  font-size:14px;
  color:var(--ink);
  outline:none;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.search-box input::placeholder{color:#9AA6A1;}
.search-box input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100);}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 26px;
  background:var(--accent-500);
  color:#fff;
  font-weight:600;
  font-size:15px;
  border-radius:999px;
  border:0;
  cursor:pointer;
  box-shadow:0 6px 16px -8px rgba(255,106,43,.85);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.btn-primary:hover{
  background:#F25B18;
  transform:translateY(-1px);
  box-shadow:var(--shadow-md);
  text-decoration:none;
  color:#fff;
}
.btn-primary:active{transform:translateY(0);}
.btn-sm{padding:8px 18px;font-size:14px;}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;
  border:1.5px solid var(--brand-500);
  color:var(--brand-700);
  background:transparent;
  font-weight:600;
  font-size:15px;
  border-radius:var(--radius-input);
  transition:background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--brand-100);text-decoration:none;color:var(--brand-700);transform:translateY(-1px);}
.btn-block{display:flex;width:100%;}

.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  transition:border-color .2s var(--ease), background .2s var(--ease);
}
.icon-btn svg{width:20px;height:20px;fill:none;stroke:var(--ink);stroke-width:1.5;}
.icon-btn:hover{border-color:var(--brand-500);background:var(--brand-100);}

.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s var(--ease),opacity .25s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.nav-bar{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:4px;
  overflow-x:auto;
  padding:4px 0 10px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chips li a{
  position:relative;
  display:block;
  padding:7px 12px;
  border-radius:8px;
  font-size:15px;
  color:var(--ink);
  white-space:nowrap;
  transition:color .18s var(--ease), background .18s var(--ease);
}
.nav-chips li a:hover{color:var(--brand-500);background:var(--brand-100);text-decoration:none;}
.nav-chips li a.active{color:var(--brand-500);font-weight:700;}
.nav-chips li a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-4px;height:3px;
  border-radius:2px;background:var(--brand-500);
}
.nav-chips li a.has-dot::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--accent-500);margin-right:6px;vertical-align:middle;
}

/* ============ 分类横幅 ============ */
.cat-banner{
  position:relative;
  background:var(--brand-900);
  color:#fff;
  overflow:hidden;
}
.cat-banner-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.3;
}
.cat-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,30,28,.95) 0%,rgba(12,30,28,.78) 55%,rgba(14,95,82,.62) 100%);
}
.cat-banner .spark{position:absolute;opacity:.08;fill:#fff;pointer-events:none;}
.cat-banner .spark-1{width:150px;height:150px;right:6%;top:14%;}
.cat-banner .spark-2{width:88px;height:88px;right:22%;bottom:10%;}
.cat-banner-inner{position:relative;z-index:2;padding-top:60px;padding-bottom:52px;}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.85);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.45;}

.cat-banner h1{
  font-size:clamp(28px,3.3vw,44px);
  font-weight:700;
  line-height:1.22;
  letter-spacing:-.01em;
  max-width:860px;
}
.cat-lead{
  margin-top:16px;
  max-width:720px;
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.78);
}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.cat-tags .tag{
  display:inline-block;
  padding:6px 14px;
  font-size:13px;
  color:#fff;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  clip-path:polygon(0 0,100% 0,100% 100%,7px 100%);
}
.cat-meta-row{
  display:flex;flex-wrap:wrap;gap:28px;
  margin-top:32px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
}
.cat-meta-row .meta-item{display:flex;flex-direction:column;gap:2px;}
.cat-meta-row .meta-item strong{
  font-size:22px;font-weight:700;line-height:1.3;
  font-variant-numeric:tabular-nums;
}
.cat-meta-row .meta-item span{font-size:13px;color:rgba(255,255,255,.58);}

/* ============ 主体两栏 ============ */
.layout{
  display:grid;
  grid-template-columns:300px minmax(0,1fr);
  gap:44px;
  padding-top:56px;
  padding-bottom:72px;
  align-items:start;
}
.sidebar{position:sticky;top:112px;display:flex;flex-direction:column;gap:20px;}

.toc-card,.side-help,.side-stat{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-sm);
}
.toc-card h3,.side-help h4,.side-stat h4{
  display:flex;align-items:center;gap:9px;
  font-size:16px;font-weight:600;margin-bottom:14px;
}
.toc-card h3::before,.side-help h4::before,.side-stat h4::before{
  content:"";width:4px;height:16px;border-radius:2px;background:var(--brand-500);flex:0 0 auto;
}
.toc-list li a{
  display:block;
  padding:8px 10px;
  border-radius:8px;
  font-size:14px;
  line-height:1.55;
  color:var(--ink);
  transition:background .18s var(--ease), color .18s var(--ease);
}
.toc-list li a:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none;}

.side-help{background:var(--brand-100);border-color:#CDE9E0;}
.side-help h4::before{background:var(--brand-700);}
.side-help p{font-size:14px;line-height:1.8;color:#2E4E48;margin-bottom:16px;}

.side-stat ul{display:grid;gap:12px;}
.side-stat li{
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;
  padding-bottom:10px;border-bottom:1px dashed var(--line);font-size:14px;color:var(--muted);
}
.side-stat li:last-child{border-bottom:0;padding-bottom:0;}
.side-stat li strong{
  font-size:18px;font-weight:700;color:var(--brand-700);
  font-variant-numeric:tabular-nums;
}

/* ============ 正文分节 ============ */
.article-body{max-width:760px;}
.content-section{margin-bottom:56px;scroll-margin-top:130px;}
.content-section h2{
  position:relative;
  padding-left:16px;
  font-size:28px;
  font-weight:700;
  line-height:1.32;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.content-section h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
  border-radius:2px;background:var(--brand-500);
}
.content-section h3{
  font-size:20px;font-weight:600;line-height:1.5;
  margin:26px 0 10px;color:var(--brand-900);
}
.content-section p{color:#2B3A37;margin-bottom:1.2em;}
.content-section p:last-child{margin-bottom:0;}

.inline-figure{
  margin:26px 0;
  border:1px solid var(--line);
  border-radius:var(--radius-img);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-sm);
}
.inline-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.inline-figure figcaption{padding:10px 16px;font-size:13px;color:var(--muted);background:#fff;}

.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:26px 0;}
.mini-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.mini-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(18,161,131,.35);
}
.mini-card h3{margin:0 0 8px;font-size:17px;font-weight:600;color:var(--brand-900);}
.mini-card p{font-size:14px;line-height:1.8;color:var(--muted);margin:0;}

.badge{
  display:inline-block;
  padding:3px 11px;
  font-size:12px;
  font-weight:500;
  background:var(--brand-100);
  color:var(--brand-700);
  clip-path:polygon(0 0,100% 0,100% 100%,6px 100%);
  margin-bottom:12px;
}
.badge-hot{background:var(--accent-100);color:var(--accent-500);}
.badge-hot::before{
  content:"";display:inline-block;width:5px;height:5px;border-radius:50%;
  background:var(--accent-500);margin-right:5px;vertical-align:middle;
}

.dot-list{margin:18px 0 22px;}
.dot-list li{
  position:relative;
  padding-left:20px;
  margin-bottom:10px;
  font-size:15px;
  line-height:1.8;
  color:#2B3A37;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:12px;width:7px;height:7px;
  border-radius:2px;background:var(--brand-500);
}

.quote-box{
  margin:26px 0;
  padding:18px 22px;
  border-left:3px solid var(--brand-500);
  background:var(--brand-100);
  border-radius:0 var(--radius-img) var(--radius-img) 0;
  font-size:15px;
  line-height:1.85;
  color:#2E4E48;
}

.steps{display:grid;gap:16px;margin:26px 0;}
.step{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:18px 20px;
  box-shadow:var(--shadow-sm);
  transition:border-color .22s var(--ease), transform .22s var(--ease);
}
.step:hover{border-color:rgba(18,161,131,.35);transform:translateY(-2px);}
.step-num{
  flex:0 0 auto;
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--brand-100);
  color:var(--brand-700);
  font-weight:700;
  font-size:15px;
  font-variant-numeric:tabular-nums;
}
.step-body h3{margin:0 0 4px;font-size:16px;font-weight:600;color:var(--brand-900);}
.step-body p{margin:0;font-size:14px;line-height:1.8;color:var(--muted);}

.table-wrap{
  margin:26px 0;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow-x:auto;
  background:#fff;
}
.matrix-table{width:100%;border-collapse:collapse;min-width:520px;font-size:14px;}
.matrix-table th{
  background:var(--brand-100);
  color:var(--brand-700);
  font-weight:600;
  text-align:left;
  padding:12px 16px;
  white-space:nowrap;
}
.matrix-table td{padding:12px 16px;border-top:1px solid var(--line);color:#2B3A37;}
.matrix-table tbody tr:nth-child(even){background:var(--bg);}
.matrix-table tbody tr:hover{background:var(--brand-100);}

/* ============ FAQ ============ */
.faq{max-width:800px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .18s var(--ease), background .18s var(--ease);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:16px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:background .18s var(--ease), color .18s var(--ease);
}
.faq-q:hover{background:var(--brand-100);color:var(--brand-700);}
.faq-q .arrow{flex:0 0 auto;width:18px;height:18px;fill:none;stroke:var(--brand-500);stroke-width:1.8;transition:transform .18s var(--ease);}
.faq-item.open{background:var(--brand-100);border-color:rgba(18,161,131,.35);}
.faq-item.open .faq-q{color:var(--brand-700);}
.faq-item.open .arrow{transform:rotate(180deg);}
.faq-a{
  display:none;
  padding:0 20px 18px 20px;
  font-size:15px;
  line-height:1.85;
  color:#2E4E48;
}
.faq-item.open .faq-a{
  display:block;
  border-left:3px solid var(--brand-500);
  margin-left:20px;
  padding-left:17px;
}

/* ============ CTA 大条 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  background:var(--brand-900);
  color:#fff;
  border-radius:24px;
  padding:44px 48px;
  margin-bottom:88px;
}
.cta-band .spark{position:absolute;fill:#fff;opacity:.08;pointer-events:none;}
.cta-band .spark-1{width:120px;height:120px;right:-20px;top:-30px;}
.cta-band .spark-2{width:64px;height:64px;left:38%;bottom:-18px;}
.cta-band-text{position:relative;z-index:2;max-width:640px;}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  line-height:1.32;
  letter-spacing:-.01em;
  margin-bottom:10px;
}
.cta-band p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);margin:0;}
.cta-band .cta-actions{position:relative;z-index:2;flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.cta-note{font-size:12px;color:rgba(255,255,255,.5);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.5fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand{color:#fff;margin-bottom:14px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-list a:hover{color:#fff;}
.footer-contact p{font-size:14px;line-height:1.8;margin-bottom:10px;}
.footer-contact a{color:var(--brand-500);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 空态 / 骨架 ============ */
.empty-state{
  min-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  padding:32px;
}
.empty-state svg{width:36px;height:36px;fill:none;stroke:var(--muted);stroke-width:1.5;}
.empty-state p{font-size:15px;color:var(--muted);margin:0;}
.skeleton{
  background:linear-gradient(90deg,var(--line) 0%,#F2F3F1 50%,var(--line) 100%);
  background-size:200% 100%;
  animation:shine 1.4s linear infinite;
  border-radius:8px;
}
@keyframes shine{0%{background-position:200% 0;}100%{background-position:-200% 0;}}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:90;
  background:rgba(12,30,28,.45);
  opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease), visibility .28s var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:100;
  width:280px;max-width:86vw;
  background:#fff;
  padding:24px 22px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  box-shadow:var(--shadow-lg);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-head .brand{font-size:17px;}
.drawer h4{font-size:13px;font-weight:600;color:var(--muted);margin:22px 0 10px;letter-spacing:.02em;}
.drawer ul li{margin-bottom:4px;}
.drawer ul li a{
  display:block;padding:10px 12px;border-radius:10px;
  color:var(--ink);font-size:15px;
}
.drawer ul li a:hover,.drawer ul li a.active{background:var(--brand-100);color:var(--brand-700);text-decoration:none;}
.drawer .btn-primary{width:100%;margin-top:22px;}
.drawer-foot{
  margin-top:26px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;line-height:1.8;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .header-top-inner{gap:16px;}
  .search-box input{width:210px;}
}
@media (max-width:1023px){
  .container{padding:0 20px;}
  .nav-bar{padding:0 20px;}
  .layout{grid-template-columns:minmax(0,1fr);gap:36px;padding-top:44px;padding-bottom:56px;}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap;}
  .sidebar > *{flex:1 1 260px;}
  .article-body{max-width:100%;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
  .cta-band .cta-actions{align-items:flex-start;}
  .search-box{display:none;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .mobile-search{display:inline-flex;}
  .cat-banner-inner{padding-top:44px;padding-bottom:40px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-bar{padding:0 16px;}
  .nav-chips{margin:0 -16px;padding-left:16px;padding-right:16px;}
  .header-top-inner{height:60px;}
  .brand{font-size:18px;}
  .content-section h2{font-size:24px;}
  .content-section{margin-bottom:44px;}
  .mini-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:28px 22px;border-radius:20px;margin-bottom:56px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cat-meta-row{gap:18px 26px;}
  .cat-meta-row .meta-item strong{font-size:19px;}
  .site-footer{padding-top:48px;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .cat-banner h1{font-size:25px;}
  .cat-lead{font-size:15px;}
  .step{flex-direction:column;gap:12px;}
  .faq-q{font-size:15px;padding:14px 16px;}
  .faq-a{padding-right:16px;}
}

/* roulang page: category3 */
:root{
  --brand-900:#0C1E1C;
  --brand-700:#0E5F52;
  --brand-500:#12A183;
  --brand-100:#E3F5EF;
  --accent-500:#FF6A2B;
  --accent-100:#FFE8DC;
  --ink:#16211F;
  --muted:#66756F;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E7E3;
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(12,30,28,.06);
  --shadow-md:0 8px 24px -10px rgba(12,30,28,.18);
  --shadow-lg:0 18px 44px -18px rgba(12,30,28,.28);
  --danger:#D94A3D;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","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(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease}
a:hover{text-decoration:underline;text-underline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,242,.92);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:var(--shadow-sm);
  border-bottom-color:var(--line);
}
.topbar-inner{
  display:flex;align-items:center;gap:20px;height:72px;
  transition:height .2s ease;
}
.site-header.is-scrolled .topbar-inner{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;position:relative;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  box-shadow:0 6px 16px -8px rgba(18,161,131,.8);
}
.brand-mark::after{
  content:"";position:absolute;inset:0;margin:auto;width:15px;height:15px;background:#fff;opacity:.92;
  clip-path:polygon(50% 0,58% 42%,100% 50%,58% 58%,50% 100%,42% 58%,0 50%,42% 42%);
}
.brand-text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.topbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  padding:0 12px;height:40px;width:290px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box svg{width:18px;height:18px;stroke:var(--muted);flex:0 0 auto}
.search-box input{
  border:0;outline:0;background:transparent;width:100%;font-size:14px;line-height:1;
}
.search-box input::placeholder{color:#93A09B}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent-500);color:#fff;font-weight:600;font-size:15px;
  border-radius:999px;padding:11px 22px;line-height:1.2;white-space:nowrap;
  box-shadow:0 8px 20px -12px rgba(255,106,43,.95);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s ease,background .18s ease;
}
.btn-primary:hover{background:#F25B18;color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid var(--brand-500);color:var(--brand-500);font-weight:600;font-size:15px;
  border-radius:10px;padding:9px 18px;line-height:1.2;white-space:nowrap;background:transparent;
  transition:background .18s ease,color .18s ease,transform .18s cubic-bezier(.2,.7,.3,1);
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none;transform:translateY(-1px)}
.btn-sm{padding:8px 16px;font-size:14px}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.nav-bar{border-top:1px solid transparent}
.site-header.is-scrolled .nav-bar{border-top-color:var(--line)}
.nav-chips{
  display:flex;gap:26px;margin:0 auto;padding:0 24px;max-width:1200px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chips li{flex:0 0 auto}
.nav-chips a{
  display:inline-flex;align-items:center;gap:6px;height:46px;font-size:15px;color:var(--ink);font-weight:500;
  box-shadow:inset 0 0 0 var(--brand-500);
  transition:color .18s ease,box-shadow .18s ease;
}
.nav-chips a:hover{color:var(--brand-500);text-decoration:none;box-shadow:inset 0 -2px 0 var(--brand-500)}
.nav-chips a.active{color:var(--brand-500);font-weight:700;box-shadow:inset 0 -3px 0 var(--brand-500)}
.nav-chips a.has-dot::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500);flex:0 0 auto;
}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,30,28,.45);opacity:0;pointer-events:none;
  transition:opacity .2s ease;z-index:60;
}
.drawer-mask.is-show{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;background:var(--surface);
  z-index:70;transform:translateX(100%);transition:transform .24s cubic-bezier(.2,.7,.3,1);
  padding:22px 20px;overflow-y:auto;box-shadow:var(--shadow-lg);
}
.drawer.is-show{transform:translateX(0)}
.drawer h3{font-size:13px;color:var(--muted);font-weight:600;margin:18px 0 10px}
.drawer h3:first-of-type{margin-top:8px}
.drawer-list li a{display:block;padding:10px 0;color:var(--ink);font-size:15px;border-bottom:1px solid var(--line)}
.drawer-list li a:hover{color:var(--brand-500);text-decoration:none}
.drawer-list li a.active{color:var(--brand-500);font-weight:700}
.drawer .btn-primary{width:100%;margin-top:18px}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}
.drawer-tags span{font-size:13px;color:var(--brand-700);background:var(--brand-100);padding:4px 10px;border-radius:6px}
.drawer-close{
  position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:9px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--muted);
}

/* ============ 分类横幅 ============ */
.hero{
  position:relative;background:var(--brand-900);color:#fff;overflow:hidden;
  padding:52px 0 58px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(12,30,28,.94) 0%,rgba(12,30,28,.82) 45%,rgba(12,30,28,.62) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.95;
}
.hero::after{
  content:"";position:absolute;top:-40px;right:8%;width:180px;height:180px;background:#fff;opacity:.08;
  clip-path:polygon(50% 0,58% 42%,100% 50%,58% 58%,50% 100%,42% 58%,0 50%,42% 42%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.banner-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:40px;align-items:start}
.banner-main h1{
  font-size:44px;line-height:1.2;color:#fff;margin-bottom:16px;letter-spacing:-.01em;
}
.banner-main h1 em{font-style:normal;color:#7FE3CB}
.banner-main p{color:rgba(255,255,255,.78);font-size:16px;max-width:660px;line-height:1.85}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.banner-actions .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.banner-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.banner-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:26px;font-size:14px;color:rgba(255,255,255,.65)}
.banner-meta strong{color:#fff;font-weight:700}
.banner-panel{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);
  padding:22px 22px 18px;
}
.banner-panel-title{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.panel-stats{display:grid;gap:12px;margin-bottom:18px}
.panel-stats li{display:flex;align-items:baseline;gap:8px;font-size:14px;color:rgba(255,255,255,.72);border-bottom:1px dashed rgba(255,255,255,.14);padding-bottom:10px}
.panel-stats li:last-child{border-bottom:0;padding-bottom:0}
.panel-stats .num{font-size:24px;font-weight:700;color:#7FE3CB;font-variant-numeric:tabular-nums;line-height:1}
.panel-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.panel-tags span{font-size:13px;color:#CFF3E9;background:rgba(18,161,131,.28);padding:4px 10px;border-radius:4px}
.fake-pager{display:flex;gap:8px;align-items:center;opacity:.85}
.fake-pager .pg{
  min-width:30px;height:30px;padding:0 8px;border-radius:8px;border:1px solid rgba(255,255,255,.24);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:rgba(255,255,255,.8);
}
.fake-pager .pg.active{background:var(--brand-500);border-color:var(--brand-500);color:#fff;font-weight:700}

/* ============ 通用区块 ============ */
.section{padding:88px 0}
.section-tight{padding:44px 0 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;
}
.section-head h2{
  font-size:30px;position:relative;padding-left:14px;line-height:1.25;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-500);
}
.section-sub{color:var(--muted);font-size:15px;margin-top:10px;padding-left:14px;max-width:760px}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-more:hover{text-decoration:none;gap:9px}
.link-more{transition:gap .18s ease}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--brand-700);background:var(--brand-100);
  padding:4px 12px;line-height:1.5;
  clip-path:polygon(0 0,calc(100% - 6px) 0,100% 6px,100% 100%,0 100%);
}
.badge-hot{background:var(--accent-100);color:var(--accent-500)}
.badge-hot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.tag{
  display:inline-flex;align-items:center;font-size:13px;color:var(--brand-700);
  background:var(--brand-100);padding:3px 10px;
  clip-path:polygon(0 0,calc(100% - 6px) 0,100% 6px,100% 100%,0 100%);
}

/* 筛选条 */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px 20px;box-shadow:var(--shadow-sm);
}
.filter-chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  font-size:14px;color:var(--ink);background:var(--bg);border:1px solid var(--line);
  border-radius:999px;padding:7px 16px;transition:all .18s ease;
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-500)}
.chip.is-active{background:var(--brand-500);border-color:var(--brand-500);color:#fff;font-weight:600}

/* ============ 表格化列表 ============ */
.table-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.table-head,.table-row{
  display:grid;grid-template-columns:minmax(0,2.6fr) 1fr 1fr 132px;
  gap:18px;align-items:center;padding:16px 24px;
}
.table-head{
  background:var(--brand-100);font-size:13px;font-weight:600;color:var(--brand-700);
  border-bottom:1px solid var(--line);
}
.table-row{
  border-bottom:1px solid var(--line);color:var(--ink);transition:background .18s ease,color .18s ease;
}
.table-row:last-child{border-bottom:0}
.table-row:hover{background:var(--brand-100);text-decoration:none}
.row-title{font-size:16px;font-weight:600;line-height:1.5;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.row-title .dot{
  width:6px;height:6px;border-radius:50%;background:var(--brand-500);flex:0 0 auto;
}
.col-cat,.col-time{font-size:14px;color:var(--muted)}
.col-time{font-variant-numeric:tabular-nums}
.col-go{justify-self:end}
.go-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-500);
  border:1.5px solid var(--brand-500);border-radius:999px;padding:6px 16px;transition:all .18s ease;
}
.table-row:hover .go-link{background:var(--brand-500);color:#fff}
.table-row:hover .col-cat,.table-row:hover .col-time{color:var(--brand-700)}

/* ============ 重点卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card-news{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
}
.card-news:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,161,131,.3)}
.card-news .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg)}
.card-news .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.card-news:hover .thumb img{transform:scale(1.04)}
.card-news .thumb .badge{position:absolute;left:12px;top:12px}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:4px}
.card-foot .cat{font-size:13px;color:var(--brand-700);background:var(--brand-100);padding:3px 10px;clip-path:polygon(0 0,calc(100% - 6px) 0,100% 6px,100% 100%,0 100%)}
.card-foot time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;position:relative;box-shadow:var(--shadow-sm);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step .idx{
  width:36px;height:36px;border-radius:10px;background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}

/* ============ 保障条 ============ */
.banner-trust{
  background:var(--brand-900);color:#fff;padding:40px 0;position:relative;overflow:hidden;
}
.banner-trust::after{
  content:"";position:absolute;bottom:-50px;left:6%;width:150px;height:150px;background:#fff;opacity:.08;
  clip-path:polygon(50% 0,58% 42%,100% 50%,58% 58%,50% 100%,42% 58%,0 50%,42% 42%);
}
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:relative;z-index:2}
.trust-item{padding:6px 24px;position:relative}
.trust-item+.trust-item{border-left:1px solid rgba(255,255,255,.12)}
.trust-item:first-child{padding-left:0}
.trust-item svg{width:22px;height:22px;stroke:#7FE3CB;margin-bottom:12px}
.trust-item h3{font-size:16px;color:#fff;margin-bottom:6px;font-weight:600}
.trust-item p{font-size:13px;color:rgba(255,255,255,.68);line-height:1.7}

/* ============ FAQ ============ */
.faq{max-width:800px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--radius-card);margin-bottom:14px;overflow:hidden;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.faq-item.is-open{background:var(--brand-100);border-left-color:var(--brand-500);border-color:rgba(18,161,131,.3);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);text-align:left;
}
.faq-q:hover{color:var(--brand-700)}
.faq-arrow{
  width:22px;height:22px;flex:0 0 auto;position:relative;transition:transform .18s ease;
}
.faq-arrow::before{
  content:"";position:absolute;left:5px;top:7px;width:9px;height:9px;
  border-right:2px solid var(--brand-500);border-bottom:2px solid var(--brand-500);
  transform:rotate(45deg);
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease}
.faq-a p{padding:0 22px 20px;font-size:15px;color:#3F4C48;line-height:1.85;max-width:680px}

/* ============ CTA 大条 ============ */
.cta-band{
  background:var(--brand-900);color:#fff;position:relative;overflow:hidden;padding:56px 0;
}
.cta-band::after{
  content:"";position:absolute;top:-40px;right:10%;width:170px;height:170px;background:#fff;opacity:.08;
  clip-path:polygon(50% 0,58% 42%,100% 50%,58% 58%,50% 100%,42% 58%,0 50%,42% 42%);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;position:relative;z-index:2}
.cta-inner h2{font-size:30px;color:#fff;margin-bottom:10px}
.cta-inner p{font-size:14px;color:rgba(255,255,255,.7);max-width:620px}
.cta-inner .btn-primary{padding:14px 30px;font-size:16px}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{line-height:1.85;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-list li{margin-bottom:10px}
.footer-list a{color:rgba(255,255,255,.72)}
.footer-list a:hover{color:#7FE3CB;text-decoration:none}
.footer-contact p{margin-bottom:10px;line-height:1.8}
.footer-contact a{color:#7FE3CB}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 空态 / 骨架 ============ */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--surface);color:var(--muted);padding:32px;
}
.empty-state svg{width:38px;height:38px;stroke:var(--brand-500)}
.empty-state p{font-size:15px}
.skeleton{
  background:var(--line);border-radius:8px;position:relative;overflow:hidden;
}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);
  animation:sk 1.4s ease-in-out infinite;
}
@keyframes sk{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .banner-main h1{font-size:38px}
  .card-grid{gap:20px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .banner-grid{grid-template-columns:1fr;gap:28px}
  .banner-main h1{font-size:34px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .trust-item{padding:0}
  .trust-item+.trust-item{border-left:0}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .search-box{width:220px}
  .table-head,.table-row{grid-template-columns:minmax(0,2.2fr) 1fr 1fr 116px;padding:14px 18px;gap:12px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .topbar-inner{height:62px;gap:12px}
  .site-header.is-scrolled .topbar-inner{height:56px}
  .brand-text{font-size:17px}
  .search-box{display:none}
  .topbar-actions .btn-primary{display:none}
  .hamburger{display:flex}
  .nav-chips{padding:0 16px;gap:20px;margin:0 -16px}
  .nav-chips a{height:42px;font-size:14px}
  .hero{padding:34px 0 40px}
  .banner-main h1{font-size:27px}
  .banner-main p{font-size:15px}
  .section{padding:48px 0}
  .section-tight{padding:28px 0 0}
  .section-head h2{font-size:23px}
  .section-sub{padding-left:0;font-size:14px}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr;gap:20px}
  .trust-item+.trust-item{border-top:1px solid rgba(255,255,255,.12);padding-top:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-inner h2{font-size:23px}
  .table-head{display:none}
  .table-row{
    grid-template-columns:1fr;gap:10px;padding:18px 16px;
    border-bottom:1px solid var(--line);
  }
  .table-row .col-cat::before,.table-row .col-time::before{
    content:attr(data-k);color:var(--muted);margin-right:8px;font-size:13px;
  }
  .col-go{justify-self:start}
  .filter-bar{padding:14px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
}
@media (max-width:479px){
  .banner-main h1{font-size:23px}
  .banner-actions{width:100%}
  .banner-actions .btn-primary,.banner-actions .btn-ghost{width:100%}
  .banner-meta{gap:14px;font-size:13px}
}

/* roulang page: category5 */
:root{
  --brand-900:#0C1E1C;
  --brand-700:#0E5F52;
  --brand-500:#12A183;
  --brand-100:#E3F5EF;
  --accent-500:#FF6A2B;
  --accent-100:#FFE8DC;
  --ink:#16211F;
  --muted:#66756F;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E7E3;
  --danger:#D94A3D;
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(12,30,28,.06);
  --shadow-md:0 8px 24px -10px rgba(12,30,28,.18);
  --shadow-lg:0 18px 44px -18px rgba(12,30,28,.28);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
h1{font-size:44px;line-height:1.2}
h2{font-size:30px}
h3{font-size:20px;font-weight:600}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
input,button{font-family:inherit}
:focus-visible{outline:3px solid var(--brand-100);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-title{position:relative;padding-left:18px;font-size:30px;letter-spacing:-.01em}
.section-title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--brand-500)}
.section-sub{margin:10px 0 0 18px;color:var(--muted);font-size:14px;max-width:680px}
.link-more{font-size:14px;font-weight:600;white-space:nowrap}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,242,.92);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{background:rgba(255,255,255,.96);box-shadow:var(--shadow-sm);border-bottom-color:var(--line)}
.header-top{display:flex;align-items:center;gap:20px;height:72px;transition:height .2s ease}
.site-header.is-stuck .header-top{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:19px;letter-spacing:-.01em;flex:0 0 auto}
.brand:hover{color:var(--ink);text-decoration:none}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700) 62%,var(--brand-900));
  position:relative;box-shadow:var(--shadow-sm);
}
.brand-mark::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 30% 28%,rgba(255,255,255,.85) 0 2px,transparent 2px),
    radial-gradient(circle at 70% 62%,rgba(255,106,43,.9) 0 2.4px,transparent 2.4px);
}
.search-box{position:relative;flex:1 1 auto;max-width:420px;margin-left:auto}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--muted);fill:none;stroke-width:1.5}
.search-box input{
  width:100%;height:42px;padding:0 16px 0 38px;
  border:1px solid var(--line);border-radius:var(--radius-input);
  background:var(--surface);color:var(--ink);font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box input::placeholder{color:#9AA8A3}
.search-box input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent-500);color:#fff;border:none;border-radius:999px;
  padding:11px 24px;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s ease,background .18s ease;
}
.btn-primary:hover{background:#F55E1D;color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0)}
.btn-primary.btn-sm{padding:9px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand-500);
  border:1.5px solid var(--brand-500);border-radius:10px;
  padding:10px 22px;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s var(--ease);
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none;transform:translateY(-1px)}
.hamburger{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);cursor:pointer;padding:0;align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:1.6px;background:var(--ink);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:1.6px;background:var(--ink);border-radius:2px;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

.nav-bar{border-top:1px solid var(--line)}
.site-header.is-stuck .nav-bar{border-top-color:var(--line)}
.nav-chips{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chips li{flex:0 0 auto}
.nav-chips a{
  position:relative;display:inline-block;padding:4px 0;color:var(--ink);
  font-size:15px;font-weight:500;white-space:nowrap;
}
.nav-chips a::after{
  content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-chips a:hover{color:var(--brand-500);text-decoration:none}
.nav-chips a:hover::after{transform:scaleX(1)}
.nav-chips a.active{color:var(--brand-500);font-weight:700}
.nav-chips a.active::after{height:3px;transform:scaleX(1)}
.nav-chips a.has-dot::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--accent-500);margin-right:7px;vertical-align:1px;
}

/* ===== Drawer ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,30,28,.42);opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;z-index:60;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:280px;max-width:86vw;z-index:70;
  background:var(--surface);transform:translateX(100%);
  transition:transform .26s var(--ease);padding:22px 20px 32px;overflow-y:auto;
  box-shadow:var(--shadow-lg);
}
.drawer.open{transform:translateX(0)}
.drawer h4{font-size:14px;color:var(--muted);font-weight:600;margin:22px 0 10px}
.drawer h4:first-child{margin-top:0}
.drawer ul li{margin-bottom:4px}
.drawer ul a{display:block;padding:9px 10px;border-radius:10px;color:var(--ink);font-size:15px}
.drawer ul a:hover,.drawer ul a.active{background:var(--brand-100);color:var(--brand-700);text-decoration:none}
.drawer .drawer-cta{margin-top:22px;width:100%}
.drawer .drawer-note{font-size:13px;color:var(--muted);margin-top:18px;line-height:1.7}

/* ===== Category banner ===== */
.cat-banner{
  position:relative;overflow:hidden;
  background:var(--brand-900);color:#fff;
  padding:56px 0 48px;
}
.cat-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(18,161,131,.22),transparent 58%);
  pointer-events:none;
}
.cat-banner .container{position:relative;z-index:2}
.spark{position:absolute;background:#fff;opacity:.08;clip-path:polygon(50% 0,60% 40%,100% 50%,60% 60%,50% 100%,40% 60%,0 50%,40% 40%);}
.spark.s1{width:120px;height:120px;top:-30px;right:8%}
.spark.s2{width:72px;height:72px;bottom:-18px;right:26%}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .cur{color:var(--accent-500);font-weight:600}
.cat-banner h1{color:#fff;max-width:900px;font-size:40px}
.cat-lede{
  margin:18px 0 0;max-width:760px;color:rgba(255,255,255,.82);
  font-size:16px;line-height:1.9;
}
.cat-meta{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);flex-wrap:wrap;
}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.86);border-radius:8px;
  padding:7px 15px;font-size:13px;cursor:pointer;
  clip-path:polygon(6px 0,100% 0,100% 100%,0 100%,0 6px);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:rgba(255,255,255,.16);color:#fff}
.chip.is-on{background:var(--brand-500);border-color:var(--brand-500);color:#fff;font-weight:600}
.cat-counter{display:flex;align-items:baseline;gap:8px;color:rgba(255,255,255,.72);font-size:13px}
.cat-counter strong{font-size:30px;color:var(--accent-500);font-variant-numeric:tabular-nums;font-weight:700;line-height:1}

/* ===== Waterfall ===== */
.waterfall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}
.wf-wide{grid-column:1 / -1}
.wf-col{display:flex;flex-direction:column;gap:24px}
.wf-col.offset{margin-top:56px}
.wf-card{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);overflow:hidden;
  color:var(--ink);
  transition:transform .22s var(--ease),box-shadow .22s ease,border-color .22s ease;
}
.wf-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-md);
  border-color:rgba(18,161,131,.45);text-decoration:none;color:var(--ink);
}
.wf-card .thumb{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--brand-100)}
.wf-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.wf-card:hover .thumb img{transform:scale(1.04)}
.wf-body{padding:20px 22px 24px}
.wf-body h3{margin-bottom:10px}
.wf-body p{color:var(--muted);font-size:14px;line-height:1.8;margin:0 0 14px}
.wf-foot{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.wf-foot .dot{width:3px;height:3px;border-radius:50%;background:var(--line)}
.tag{
  display:inline-block;background:var(--brand-100);color:var(--brand-700);
  font-size:12px;font-weight:600;padding:3px 10px;
  clip-path:polygon(6px 0,100% 0,100% 100%,0 100%,0 6px);
}
.tag.hot{background:var(--accent-100);color:var(--accent-500)}
.tag.hot::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent-500);margin-right:6px;vertical-align:1px}
.wf-hero{position:relative;display:block;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-md);color:#fff}
.wf-hero:hover{color:#fff;text-decoration:none}
.wf-hero .hero-bg{position:relative;aspect-ratio:16/9;min-height:280px}
.wf-hero .hero-bg img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .5s var(--ease)}
.wf-hero:hover .hero-bg img{transform:scale(1.04)}
.wf-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,30,28,.9) 12%,rgba(12,30,28,.62) 52%,rgba(12,30,28,.18) 100%);
}
.wf-hero .hero-txt{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:38px 40px;max-width:720px}
.wf-hero h3{font-size:26px;color:#fff;margin:14px 0 10px}
.wf-hero p{color:rgba(255,255,255,.82);font-size:15px;max-width:600px;margin:0 0 16px}
.wf-hero .hero-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:rgba(255,255,255,.75);font-variant-numeric:tabular-nums;flex-wrap:wrap}
.wf-hero .hero-meta .sep{width:1px;height:12px;background:rgba(255,255,255,.3)}
.wf-hero .tag{background:rgba(255,255,255,.14);color:#fff}

/* ===== Rhythm timeline ===== */
.band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;position:relative;
  transition:transform .22s var(--ease),box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,161,131,.4)}
.step-no{
  width:34px;height:34px;border-radius:10px;background:var(--brand-900);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px;margin:0}
.step-line{height:1px;background:var(--line);margin:0 0 0 0}

/* ===== Info cards ===== */
.info-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 24px;
  box-shadow:var(--shadow-sm);transition:transform .22s var(--ease),box-shadow .22s ease,border-color .22s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,161,131,.4)}
.info-card .ico{
  width:44px;height:44px;border-radius:12px;background:var(--brand-100);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.info-card .ico svg{width:22px;height:22px;stroke:var(--brand-700);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.info-card h3{font-size:17px;margin-bottom:8px}
.info-card p{color:var(--muted);font-size:14px;margin:0}

/* ===== FAQ ===== */
.faq-wrap{max-width:800px;margin:0 auto}
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .18s ease,background .18s ease;
}
.faq-item.open{background:var(--brand-100);border-color:rgba(18,161,131,.4)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:none;cursor:pointer;text-align:left;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
  border-left:3px solid transparent;
}
.faq-item.open .faq-q{border-left-color:var(--brand-500)}
.faq-ico{position:relative;width:16px;height:16px;flex:0 0 auto;transition:transform .18s ease}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--brand-500);border-radius:2px;
}
.faq-ico::before{left:0;right:0;top:7px;height:2px}
.faq-ico::after{top:0;bottom:0;left:7px;width:2px;transition:opacity .18s ease}
.faq-item.open .faq-ico{transform:rotate(180deg)}
.faq-item.open .faq-ico::after{opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 24px 22px 27px;color:var(--muted);font-size:15px;margin:0}

/* ===== CTA band ===== */
.cta-band{position:relative;overflow:hidden;background:var(--brand-900);color:#fff;padding:72px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:30px;max-width:640px}
.cta-band .cta-note{margin:14px 0 0;color:rgba(255,255,255,.7);font-size:14px;max-width:640px}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.cta-form input{
  height:48px;min-width:260px;padding:0 16px;border-radius:var(--radius-input);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  color:#fff;font-size:15px;
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,161,131,.35)}
.cta-form .btn-primary{height:48px;padding:0 28px}
.cta-msg{margin:14px 0 0;font-size:14px;color:var(--brand-100);display:none}
.cta-msg.show{display:block}
.cta-spark{position:absolute;background:#fff;opacity:.07;clip-path:polygon(50% 0,60% 40%,100% 50%,60% 60%,50% 100%,40% 60%,0 50%,40% 40%)}
.cta-spark.a{width:150px;height:150px;top:-40px;right:6%}
.cta-spark.b{width:64px;height:64px;bottom:-12px;left:12%}

/* ===== Empty & skeleton ===== */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);
  text-align:center;padding:32px;
}
.empty-state svg{width:32px;height:32px;stroke:var(--muted);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{color:var(--muted);font-size:14px;margin:0}
.skeleton{background:var(--line);border-radius:8px;position:relative;overflow:hidden}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);
  transform:translateX(-100%);animation:sk 1.4s infinite;
}
@keyframes sk{to{transform:translateX(100%)}}

/* ===== Footer ===== */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.site-footer .brand{color:#fff;margin-bottom:16px}
.site-footer .brand:hover{color:#fff}
.site-footer p{font-size:14px;line-height:1.8;margin:0 0 10px;max-width:340px}
.footer-list li{margin-bottom:9px}
.footer-list a{color:rgba(255,255,255,.72);font-size:14px}
.footer-list a:hover{color:#fff;text-decoration:none}
.footer-contact a{color:var(--brand-100);font-size:14px}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== Responsive ===== */
@media (max-width:1279px){
  h1{font-size:38px}
  .cat-banner h1{font-size:34px}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .header-top{height:64px}
  .search-box{max-width:260px}
  .header-cta{display:none}
  .hamburger{display:flex}
  .waterfall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wf-col.offset{margin-top:32px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .info-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  h1{font-size:28px}
  h2{font-size:23px}
  h3{font-size:18px}
  .cat-banner{padding:40px 0 34px}
  .cat-banner h1{font-size:26px}
  .cat-lede{font-size:15px}
  .search-box{display:none}
  .nav-chips{gap:20px;height:46px;margin:0 -16px;padding:0 16px}
  .waterfall{grid-template-columns:1fr;gap:18px}
  .wf-col{gap:18px}
  .wf-col.offset{margin-top:0}
  .wf-hero .hero-txt{padding:24px 20px}
  .wf-hero h3{font-size:20px}
  .wf-hero p{font-size:14px}
  .wf-hero .hero-bg{aspect-ratio:4/3}
  .steps{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-form input{min-width:0;width:100%}
  .cta-form{width:100%}
  .cta-form .btn-primary{width:100%}
  .cat-counter{margin-top:4px}
}
@media (max-width:479px){
  .brand{font-size:17px}
  .wf-body{padding:16px 16px 20px}
  .faq-q{padding:16px 16px;font-size:15px}
  .faq-a p{padding:0 16px 18px 19px}
}

/* roulang page: category4 */
:root{
  --brand-900:#0C1E1C;
  --brand-700:#0E5F52;
  --brand-500:#12A183;
  --brand-100:#E3F5EF;
  --accent-500:#FF6A2B;
  --accent-100:#FFE8DC;
  --ink:#16211F;
  --muted:#66756F;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E7E3;
  --danger:#D94A3D;
  --shadow-sm:0 1px 2px rgba(12,30,28,.06);
  --shadow-md:0 8px 24px -10px rgba(12,30,28,.18);
  --shadow-lg:0 18px 44px -18px rgba(12,30,28,.28);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s var(--ease);}
a:hover{text-decoration:underline;text-underline-offset:3px;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;}
.num{font-variant-numeric:tabular-nums;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(247,246,242,.92);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:var(--shadow-sm);
  border-bottom-color:var(--line);
}
.header-brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:14px 0;
  transition:padding .2s ease;
}
.site-header.is-scrolled .header-brand-row{padding:8px 0;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:18px;}
.brand:hover{text-decoration:none;color:var(--brand-700);}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;background:#fff;opacity:.85;
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  padding:0 12px;height:40px;min-width:280px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100);}
.nav-search svg{flex:none;color:var(--muted);}
.nav-search input{
  border:0;outline:0;background:transparent;width:100%;font-size:14px;line-height:1.4;
}
.nav-search input::placeholder{color:var(--muted);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent-500);color:#fff;border:0;border-radius:999px;
  padding:12px 26px;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.btn-primary:hover{background:#F0551A;color:#fff;text-decoration:none;box-shadow:var(--shadow-md);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.header-cta{padding:10px 20px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid var(--brand-500);color:var(--brand-700);background:transparent;
  border-radius:10px;padding:11px 24px;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--brand-100);text-decoration:none;transform:translateY(-1px);}
.icon-btn{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:40px;height:40px;padding:0 9px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);cursor:pointer;
  transition:border-color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-500);}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:background .2s var(--ease);}
.nav-toggle:hover span{background:var(--brand-500);}

.nav-bar{border-top:1px solid var(--line);}
.nav-chips{
  display:flex;align-items:center;gap:28px;list-style:none;
  overflow-x:auto;scrollbar-width:none;padding:0;margin:0;
}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chips li{flex:none;}
.nav-chips a{
  display:inline-block;position:relative;padding:12px 0;
  color:var(--ink);font-size:15px;white-space:nowrap;
}
.nav-chips a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-chips a:hover{color:var(--brand-500);text-decoration:none;}
.nav-chips a:hover::after{transform:scaleX(1);}
.nav-chips a.active{color:var(--brand-500);font-weight:600;}
.nav-chips a.active::after{transform:scaleX(1);height:3px;}
.has-dot::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--accent-500);margin-right:7px;vertical-align:middle;
}

/* ============ 移动端抽屉 ============ */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(12,30,28,.5);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
  z-index:70;
}
.drawer-backdrop.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;width:280px;height:100%;
  background:var(--surface);z-index:80;padding:24px 22px 32px;
  overflow-y:auto;transform:translateX(100%);
  transition:transform .28s var(--ease);
  box-shadow:var(--shadow-lg);
}
.drawer.is-open{transform:translateX(0);}
.drawer h4{font-size:14px;color:var(--muted);font-weight:600;margin:24px 0 10px;}
.drawer .drawer-search{
  display:flex;align-items:center;gap:8px;height:42px;
  border:1px solid var(--line);border-radius:var(--radius-input);padding:0 12px;
  background:var(--bg);
}
.drawer .drawer-search input{border:0;background:transparent;outline:0;width:100%;font-size:14px;}
.drawer-list{list-style:none;display:grid;gap:2px;}
.drawer-list a{display:block;padding:9px 0;color:var(--ink);font-size:15px;border-bottom:1px solid var(--line);}
.drawer-list a:hover{color:var(--brand-500);text-decoration:none;}
.drawer-list a.active{color:var(--brand-500);font-weight:600;}
.drawer .btn-primary{width:100%;margin-top:24px;}
.drawer-note{margin-top:18px;font-size:12px;color:var(--muted);line-height:1.7;}

/* ============ 分类横幅 ============ */
.cat-banner{
  position:relative;overflow:hidden;color:#fff;
  background:var(--brand-900);
  padding:54px 0 62px;
}
.cat-banner::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(100deg,rgba(12,30,28,.95) 0%,rgba(12,30,28,.82) 46%,rgba(12,30,28,.58) 100%),
    url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.cat-banner .container{position:relative;z-index:2;}
.sparkle{position:absolute;color:#fff;opacity:.08;z-index:1;pointer-events:none;}
.sparkle-a{top:26px;right:12%;width:96px;height:96px;}
.sparkle-b{bottom:14px;right:32%;width:56px;height:56px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.65);margin-bottom:18px;}
.breadcrumb a{color:rgba(255,255,255,.75);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span[aria-current]{color:#fff;}
.banner-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.85fr);gap:40px;align-items:center;}
.cat-banner h1{font-size:42px;line-height:1.22;margin-bottom:16px;}
.cat-banner .banner-lead{font-size:16px;color:rgba(255,255,255,.78);max-width:680px;margin-bottom:0;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;font-size:12.5px;line-height:1.6;
  background:var(--brand-100);color:var(--brand-700);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%);
}
.badge-accent{
  background:var(--accent-100);color:#C4470F;
}
.badge-accent::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500);
  margin-right:6px;flex:none;
}
.badge-dark{background:rgba(255,255,255,.1);color:#EAF6F2;}
.banner-side{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);
  padding:24px;
}
.banner-side h2{font-size:16px;color:#fff;margin-bottom:14px;}
.banner-side ul{list-style:none;display:grid;gap:10px;}
.banner-side li{
  position:relative;padding-left:16px;font-size:14px;color:rgba(255,255,255,.76);line-height:1.7;
}
.banner-side li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;
  border-radius:1px;background:var(--brand-500);
}
.banner-side .btn-ghost{
  width:100%;margin-top:20px;border-color:rgba(255,255,255,.4);color:#fff;
}
.banner-side .btn-ghost:hover{background:rgba(255,255,255,.12);}

/* ============ 通用区块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--surface);}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head h2{font-size:30px;position:relative;padding-left:16px;margin-bottom:12px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;
  background:var(--brand-500);
}
.section-head p{color:var(--muted);font-size:15px;margin:0;}

/* ============ 参数卡 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.metric-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.metric-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(18,161,131,.3);
}
.metric-card .metric-icon{
  width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-700);margin-bottom:16px;
}
.metric-card .metric-label{font-size:13px;color:var(--muted);margin-bottom:6px;}
.metric-card .metric-value{font-size:22px;font-weight:700;color:var(--brand-700);margin-bottom:10px;}
.metric-card .metric-value small{font-size:14px;font-weight:600;color:var(--ink);margin-left:2px;}
.metric-card p{font-size:13.5px;color:var(--muted);line-height:1.75;margin:0;}

/* ============ 时间轴 ============ */
.timeline{list-style:none;position:relative;padding:0;margin:0;}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;background:var(--line);
}
.timeline-item{position:relative;padding-left:64px;margin-bottom:24px;}
.timeline-item:last-child{margin-bottom:0;}
.timeline-node{
  position:absolute;left:12px;top:26px;
  width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand-500);
  box-shadow:0 0 0 4px var(--brand-100);
}
.card-cat{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card-cat:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(18,161,131,.3);
}
.card-timeline{padding:26px;}
.tl-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px;}
.tl-stage{
  font-size:12.5px;font-weight:600;color:var(--brand-700);
  background:var(--brand-100);padding:3px 10px;border-radius:6px;
  font-variant-numeric:tabular-nums;
}
.tl-meta{font-size:13px;color:var(--muted);}
.card-timeline h3{font-size:20px;margin-bottom:10px;}
.card-timeline > p{font-size:15.5px;color:var(--muted);line-height:1.85;}
.tl-list{list-style:none;display:grid;gap:9px;margin-top:16px;}
.tl-list li{position:relative;padding-left:18px;font-size:15px;line-height:1.75;}
.tl-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;
  border-radius:1px;background:var(--brand-500);
}
.tl-media{margin-top:20px;border-radius:var(--radius-img);overflow:hidden;}
.tl-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ============ 验证方式 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.verify-card{padding:24px;}
.verify-card .verify-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.verify-card .verify-top svg{color:var(--brand-500);flex:none;}
.verify-card h3{font-size:18px;}
.verify-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.verify-card .verify-note{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.verify-card .verify-note strong{color:var(--brand-700);font-weight:600;}

/* ============ 自检清单 ============ */
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:920px;}
.check-item{
  display:flex;align-items:flex-start;gap:12px;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;cursor:pointer;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.check-item:hover{border-color:var(--brand-500);}
.check-item input{accent-color:var(--brand-500);width:18px;height:18px;margin-top:3px;flex:none;cursor:pointer;}
.check-item span{font-size:14.5px;line-height:1.7;}
.check-item.is-done{background:var(--brand-100);border-color:rgba(18,161,131,.4);}
.check-item.is-done span{color:var(--brand-700);}
.check-progress{
  display:flex;align-items:center;gap:16px;margin-bottom:20px;flex-wrap:wrap;
}
.check-progress .bar{
  flex:1;min-width:180px;height:8px;border-radius:999px;background:var(--line);overflow:hidden;
}
.check-progress .bar i{
  display:block;height:100%;width:0;border-radius:999px;background:var(--brand-500);
  transition:width .3s var(--ease);
}
.check-progress .count{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;}

/* ============ FAQ ============ */
.faq{max-width:800px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.faq-item[open]{
  border-left:3px solid var(--brand-500);
  background:var(--brand-100);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-700);}
.faq-arrow{flex:none;color:var(--muted);transition:transform .18s var(--ease);}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--brand-700);}
.faq-body{padding:0 22px 20px;font-size:15px;color:#3D4A46;line-height:1.9;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-900);color:#fff;
  padding:60px 0;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-inner h2{font-size:30px;margin-bottom:10px;}
.cta-inner p{margin:0;color:rgba(255,255,255,.75);font-size:15px;max-width:620px;}
.cta-band .btn-primary{flex:none;padding:15px 34px;font-size:16px;}
.cta-band .sparkle-a{top:18px;right:8%;}
.cta-band .sparkle-b{bottom:12px;left:46%;width:48px;height:48px;}

/* ============ 空态与骨架 ============ */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;color:var(--muted);
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:32px;
}
.empty-state svg{color:var(--brand-500);opacity:.7;}
.empty-state p{font-size:14.5px;margin:0;}
.skeleton{
  background:var(--line);border-radius:8px;position:relative;overflow:hidden;
}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.65),transparent);
  transform:translateX(-100%);animation:sk 1.4s infinite;
}
@keyframes sk{to{transform:translateX(100%);}}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;
  padding:60px 0 36px;
}
.footer-brand .brand{color:#fff;margin-bottom:14px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);margin:0;max-width:300px;}
.footer-list{list-style:none;display:grid;gap:10px;}
.footer-list a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-list a:hover{color:#fff;}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8;margin-bottom:10px;}
.footer-contact a{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.55);flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .cat-banner h1{font-size:38px;}
}
@media (max-width:1023px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .nav-search{min-width:200px;}
  .banner-grid{grid-template-columns:1fr;gap:28px;}
  .cat-banner{padding:44px 0 52px;}
  .cat-banner h1{font-size:34px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .nav-search,.header-cta{display:none;}
  .nav-toggle,.icon-btn{display:inline-flex;}
  .nav-bar{margin:0 -16px;}
  .nav-chips{gap:18px;padding:0 16px;}
  .nav-chips a{font-size:14.5px;padding:11px 0;}
  .cat-banner h1{font-size:27px;}
  .cat-banner .banner-lead{font-size:15px;}
  .banner-side{padding:20px;}
  .grid-4,.grid-2,.checklist{grid-template-columns:1fr;}
  .timeline::before{left:11px;}
  .timeline-item{padding-left:40px;}
  .timeline-node{left:4px;width:15px;height:15px;box-shadow:0 0 0 3px var(--brand-100);}
  .card-timeline{padding:20px;}
  .section-head h2{font-size:24px;}
  .cta-inner h2{font-size:24px;}
  .cta-band .btn-primary{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .cat-banner h1{font-size:24px;}
  .metric-card{padding:18px;}
  .faq-item summary{padding:16px;font-size:15px;}
  .faq-body{padding:0 16px 18px;}
  .sparkle-a{display:none;}
}