/* roulang page: index */
:root{
  --deep:#0B3A2E;
  --deep-2:#14513E;
  --lime:#C8F14B;
  --lime-hover:#B6E03C;
  --orange:#FF6A2B;
  --bg:#F7F8F4;
  --bg-alt:#EFF3EA;
  --dark:#0F1A16;
  --ink:#121A16;
  --ink-2:#5A6A61;
  --white:#FFFFFF;
  --line:#E1E7DC;
  --rule:#EAEEE4;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(15,20,18,.05);
  --sh-2:0 10px 24px -14px rgba(15,20,18,.22);
  --sh-3:0 18px 40px -24px rgba(11,58,46,.45);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:var(--deep);text-decoration:none}
button,input,textarea{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:var(--white)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,248,244,.96);
  border-bottom:1px solid transparent;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1);background:#fff}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:var(--r-sm);background:var(--deep);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:17px;font-weight:700;color:var(--deep);letter-spacing:-.01em;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;
  transition:color .16s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:20%;bottom:0;width:0;height:2px;background:var(--lime);
  transition:width .16s ease-out;
}
.nav-link:hover{color:var(--deep)}
.nav-link:hover::after{width:60%;left:20%}
.nav-link.active{color:var(--deep);font-weight:600}
.nav-link.active::after{width:60%;left:20%;height:3px}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--deep);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--deep);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer-mask{
  position:fixed;inset:0;background:rgba(15,26,22,.6);opacity:0;visibility:hidden;
  transition:opacity .18s ease-out,visibility .18s;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .22s ease-out;padding:22px 20px;
  display:flex;flex-direction:column;gap:4px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;cursor:pointer;color:var(--deep);font-size:18px;line-height:1;
}
.drawer a.drawer-link{
  min-height:52px;display:flex;align-items:center;font-size:15px;font-weight:500;
  color:var(--ink);border-bottom:1px solid var(--rule);
}
.drawer a.drawer-link.active{color:var(--deep);font-weight:700;border-left:3px solid var(--lime);padding-left:10px}
.drawer .btn{margin-top:18px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);font-size:16px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:all .18s ease-out;white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--deep)}
.btn-primary:hover{background:var(--lime-hover);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;color:var(--deep);border-color:var(--deep)}
.btn-ghost:hover{background:var(--deep);color:#F2F6EF}
.btn-ghost:active{transform:translateY(1px)}
.btn-dark-ghost{background:transparent;color:#F2F6EF;border-color:rgba(242,246,239,.55)}
.btn-dark-ghost:hover{background:rgba(242,246,239,.12);border-color:var(--lime);color:var(--lime)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.4;cursor:not-allowed}

/* ---------- labels / chips ---------- */
.tag-label{
  display:inline-block;font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--deep-2);text-transform:uppercase;margin-bottom:12px;
}
.tag-label::before{
  content:"";display:inline-block;width:12px;height:12px;background:var(--lime);
  border-radius:3px;margin-right:8px;vertical-align:-1px;
}
.chip{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(200,241,75,.18);color:var(--deep);line-height:1.6;
}
.chip-orange{background:rgba(255,106,43,.12);color:#C24A15}

/* ---------- section head ---------- */
.section-head{max-width:720px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{
  font-size:clamp(24px,3.2vw,36px);font-weight:700;line-height:1.25;color:var(--ink);
  letter-spacing:-.01em;
}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px;line-height:1.8}
.section-head-dark h2{color:#F2F6EF}
.section-head-dark p{color:rgba(242,246,239,.72)}
.section-head-dark .tag-label{color:var(--lime)}

/* ---------- hero ---------- */
.hero{position:relative;padding:72px 0 80px;background:linear-gradient(180deg,#F7F8F4 0%,#EFF3EA 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.hero-copy{max-width:560px}
.hero h1{
  font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.01em;color:var(--ink);
}
.hero-sub{margin-top:18px;font-size:17px;color:var(--ink-2);line-height:1.8}
.hero-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.trust-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
}
.trust-item{display:flex;flex-direction:column;gap:2px}
.trust-num{font-family:var(--mono);font-size:19px;font-weight:700;color:var(--deep);letter-spacing:-.02em}
.trust-txt{font-size:12px;color:var(--ink-2)}
.hero-media{position:relative}
.hero-media-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/12;background:var(--deep);
}
.hero-media-frame img{width:100%;height:100%;object-fit:cover;border-radius:0}
.slash-block{
  position:absolute;left:-26px;bottom:-26px;width:150px;height:150px;background:var(--lime);
  transform:skewX(-12deg);z-index:-1;border-radius:6px;
}
.score-chip{
  position:absolute;left:20px;bottom:20px;background:#fff;border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh-2);display:flex;flex-direction:column;gap:2px;
}
.score-num{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--deep);letter-spacing:-.02em}
.score-num i{font-style:normal;color:var(--orange)}
.score-label{font-size:12px;color:var(--ink-2)}

/* ---------- services ---------- */
.svc-top{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.svc-bottom{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  display:flex;flex-direction:column;height:100%;
}
.card:hover{border-color:rgba(11,58,46,.35);transform:translateY(-2px);box-shadow:var(--sh-2)}
.card-num{
  font-family:var(--mono);font-size:14px;font-weight:700;color:var(--deep);
  width:38px;height:38px;border:1.5px solid var(--line);border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card-lg .card-num{width:44px;height:44px;font-size:15px;background:rgba(200,241,75,.2);border-color:transparent}
.card h3{font-size:19px;font-weight:600;line-height:1.4;color:var(--ink)}
.card-lg h3{font-size:22px}
.card p{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.8}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:18px;
  font-size:14px;font-weight:600;color:var(--deep);text-decoration:underline;
  text-underline-offset:3px;text-decoration-thickness:1px;
  transition:color .18s ease-out;
}
.text-link:hover{color:var(--orange)}
.text-link::after{content:"→";transition:transform .18s ease-out}
.text-link:hover::after{transform:translateX(3px)}

/* ---------- dark stats ---------- */
.stats{background:var(--dark);padding:78px 0;position:relative;overflow:hidden}
.stats::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--lime) 0 42%,rgba(200,241,75,.18) 42% 100%);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:20px}
.stat-cell{padding:8px 28px;border-left:1px solid rgba(242,246,239,.14)}
.stat-cell:first-child{border-left:none;padding-left:0}
.stat-value{font-family:var(--mono);font-size:clamp(30px,3.6vw,44px);font-weight:700;color:var(--lime);letter-spacing:-.03em;line-height:1.1}
.stat-value small{font-size:16px;margin-left:2px;color:rgba(200,241,75,.8);font-family:inherit}
.stat-name{margin-top:8px;font-size:15px;font-weight:600;color:#F2F6EF}
.stat-desc{margin-top:4px;font-size:13px;color:rgba(242,246,239,.6)}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(11,58,46,.3)}
.case-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.case-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .18s ease-out}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-body{padding:22px;display:flex;flex-direction:column;flex:1;gap:10px}
.case-body h3{font-size:19px;font-weight:600;line-height:1.4}
.case-body p{font-size:15px;color:var(--ink-2);line-height:1.8}
.meta-row{
  display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-2);
  margin-top:auto;padding-top:14px;border-top:1px solid var(--rule);flex-wrap:wrap;
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--line)}

/* ---------- zigzag ---------- */
.zig-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0}
.zig-row + .zig-row{border-top:1px solid var(--rule)}
.zig-row.reverse .zig-media{order:2}
.zig-row.reverse .zig-copy{order:1}
.zig-media{aspect-ratio:16/11;overflow:hidden;border-radius:var(--r-lg);background:var(--bg-alt)}
.zig-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.zig-copy h3{font-size:clamp(20px,2.4vw,26px);font-weight:600;line-height:1.35;margin-top:12px}
.zig-copy p{margin-top:12px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.point-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.point-list li{display:flex;gap:10px;font-size:15px;color:var(--ink);line-height:1.7}
.point-list li::before{
  content:"";flex-shrink:0;width:6px;height:6px;border-radius:2px;background:var(--lime);
  margin-top:10px;
}

/* ---------- cms list ---------- */
.cms-grid{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.feature-media{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.feature-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .18s ease-out}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-body{padding:24px;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.feature-body h3{font-size:clamp(20px,2.2vw,24px);font-weight:600;line-height:1.4}
.feature-body h3 a{color:var(--ink);transition:color .18s ease-out}
.feature-body h3 a:hover{color:var(--deep-2)}
.feature-body p{font-size:15px;color:var(--ink-2);line-height:1.8}
.compact-list{margin-top:8px}
.compact-item{padding:20px 0;border-bottom:1px solid var(--rule);display:flex;gap:16px;justify-content:space-between}
.compact-item h3{font-size:17px;font-weight:600;line-height:1.5}
.compact-item h3 a{color:var(--ink);transition:color .18s ease-out}
.compact-item h3 a:hover{color:var(--deep-2)}
.compact-item p{margin-top:6px;font-size:14.5px;color:var(--ink-2);line-height:1.75}
.compact-meta{
  display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12px;color:var(--ink-2);flex-wrap:wrap;
}
.compact-date{font-family:var(--mono);font-size:12.5px;color:var(--ink-2);white-space:nowrap;padding-top:4px}
.cms-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px}
.side-card h4{font-size:14px;font-weight:700;color:var(--deep);letter-spacing:.02em;margin-bottom:14px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.rank-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--rule);font-size:14.5px;line-height:1.6}
.rank-list li:last-child{border-bottom:none}
.rank-idx{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--orange);flex-shrink:0}
.rank-list a{color:var(--ink);transition:color .18s ease-out}
.rank-list a:hover{color:var(--deep-2)}
.side-card-dark{background:var(--deep);border-color:var(--deep)}
.side-card-dark h4{color:var(--lime)}
.side-card-dark p{font-size:14px;color:rgba(242,246,239,.78);line-height:1.8}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;
}
.empty-state svg{width:48px;height:48px;stroke:var(--deep-2);opacity:.6}
.empty-state p{font-size:15px;color:var(--ink-2)}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;border-top:1px solid var(--rule)}
.faq-item{border-bottom:1px solid var(--rule)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:14px 0 14px 20px;font-size:16.5px;font-weight:600;color:var(--ink);
  position:relative;transition:color .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:0;background:var(--lime);border-radius:2px;transition:height .18s ease-out;
}
.faq-item[open] summary::before{height:26px}
.faq-item summary:hover{color:var(--deep-2)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--deep);
  transition:transform .18s ease-out,background .18s ease-out;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(200,241,75,.25);border-color:transparent}
.faq-answer{padding:0 20px 22px 20px;font-size:15.5px;color:var(--ink-2);line-height:1.85}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:11px 14px;font-size:15px;color:var(--ink);line-height:1.6;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field input{height:44px}
.field textarea{min-height:112px;resize:vertical}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--deep);box-shadow:0 0 0 3px rgba(200,241,75,.45);
}
.form-note{margin-top:14px;font-size:12px;color:var(--ink-2);line-height:1.7}
.form-msg{margin-top:14px;font-size:14px;font-weight:600;color:var(--deep-2);display:none}
.form-msg.show{display:block}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;margin-bottom:20px}
.info-card h4{font-size:15px;font-weight:700;color:var(--deep);margin-bottom:12px}
.info-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.75;padding:6px 0}
.info-list b{color:var(--ink);font-weight:600;flex-shrink:0}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--deep);border-radius:var(--r-lg);padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-3);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:0;bottom:0;width:220px;
  background:repeating-linear-gradient(115deg,rgba(200,241,75,.22) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#F2F6EF;line-height:1.3}
.cta-band p{margin-top:8px;color:rgba(242,246,239,.72);font-size:15px}
.cta-band .btn{position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);padding:66px 0 0;margin-top:88px;color:rgba(242,246,239,.7)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(200,241,75,.16)}
.footer-brand-text{font-size:16px;font-weight:700;color:#F2F6EF}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(242,246,239,.62)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--lime);margin-bottom:16px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:rgba(242,246,239,.7);transition:color .18s ease-out}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:13.5px;color:rgba(242,246,239,.7);margin-bottom:10px;line-height:1.7}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(242,246,239,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(242,246,239,.5);
}
.footer-bottom a{color:rgba(242,246,239,.55)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn{display:none}
  .hero{padding:52px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy{max-width:100%}
  .hero-media{order:2}
  .slash-block{display:none}
  .svc-top{grid-template-columns:1fr}
  .svc-bottom{grid-template-columns:repeat(2,minmax(0,1fr))}
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .zig-row{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .zig-row.reverse .zig-media{order:1}
  .zig-row.reverse .zig-copy{order:2}
  .cms-grid{grid-template-columns:1fr}
  .cms-side{position:static}
  .contact-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 0}
  .stat-cell{padding:8px 20px}
  .stat-cell:nth-child(3){border-left:none;padding-left:0}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .site-footer{padding-top:52px;margin-top:56px}
  .trust-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .svc-bottom{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr;display:grid}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compact-item{flex-direction:column;gap:6px}
  .compact-date{padding-top:0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero-cta .btn{flex:1 1 auto}
  .form-card{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink-green:#0B3A2E;
  --ink-green-2:#14513E;
  --lime:#C8F14B;
  --lime-dark:#B6E03C;
  --lime-soft:#EAF6CB;
  --orange:#FF6A2B;
  --sand:#F7F8F4;
  --paper:#FFFFFF;
  --paper-2:#EFF3EA;
  --dark:#0F1A16;
  --text:#121A16;
  --muted:#5A6A61;
  --white-soft:#F2F6EF;
  --line:#E1E7DC;
  --divider:#EAEEE4;
  --r-lg:16px;
  --r-md:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(15,20,18,.05);
  --sh-2:0 10px 24px -14px rgba(15,20,18,.22);
  --sh-cta:0 18px 40px -24px rgba(11,58,46,.45);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.container-narrow{width:100%;max-width:1100px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--ink-green);display:grid;place-items:center;flex-shrink:0}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink-green);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:8px 0;transition:color .16s ease-out}
.nav-link::before{content:"";position:absolute;left:0;bottom:2px;height:3px;width:0;border-radius:2px;background:var(--lime);transition:width .16s ease-out}
.nav-link:hover{color:var(--ink-green)}
.nav-link:hover::before{width:100%}
.nav-link.active{color:var(--ink-green);font-weight:700}
.nav-link.active::before{left:20%;width:60%}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--paper);position:relative}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-green);margin:0 auto;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink-green)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(15,26,22,.6);opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;z-index:60}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;background:var(--paper);z-index:70;transform:translateX(100%);transition:transform .22s ease-out;padding:20px;overflow-y:auto;box-shadow:var(--sh-2)}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--divider)}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--paper);font-size:20px;line-height:1;color:var(--ink-green)}
.drawer-links{display:grid;margin-top:8px}
.drawer-links a{display:flex;align-items:center;height:52px;font-size:15px;font-weight:500;border-bottom:1px solid var(--divider);transition:color .16s ease-out,padding-left .16s ease-out}
.drawer-links a:hover,.drawer-links a.active{color:var(--ink-green);font-weight:700;padding-left:4px}
.drawer-cta{margin-top:24px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border:1.5px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:var(--lime);color:var(--ink-green)}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--ink-green);color:var(--ink-green);background:transparent}
.btn-ghost:hover{background:var(--ink-green);color:var(--white-soft)}
.btn-ghost:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- page head / breadcrumb ---------- */
.page-head{background:var(--paper);border-bottom:1px solid var(--line);padding:20px 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:4px;list-style:none;font-size:13px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:4px}
.breadcrumb li+li::before{content:"/";color:#B9C4B8;margin:0 6px}
.breadcrumb a{color:var(--muted);transition:color .16s ease-out}
.breadcrumb a:hover{color:var(--ink-green);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .current{color:var(--ink-green);font-weight:600}

/* ---------- article layout ---------- */
.article-wrap{
  display:grid;grid-template-columns:repeat(12,minmax(0,1fr));
  gap:24px;padding-top:48px;padding-bottom:88px;align-items:start;
}
.article-main{grid-column:span 8;min-width:0}
.article-side{grid-column:span 4;min-width:0}

.article-head{padding-bottom:28px;border-bottom:1px solid var(--divider);margin-bottom:32px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--lime-soft);color:var(--ink-green);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag-orange{background:rgba(255,106,43,.12);color:#B8461A}
.article-head h1{
  font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.2;letter-spacing:-.01em;
  margin:16px 0 18px;color:var(--text);
}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.meta span{display:inline-flex;align-items:center}
.meta span+span::before{content:"·";margin-right:8px;color:#C2CCC1}

/* ---------- prose ---------- */
.prose{max-width:800px;font-size:16.5px;line-height:1.88;color:var(--text);overflow-wrap:break-word}
.prose p{margin:0 0 18px}
.prose h2{
  position:relative;font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.35;
  margin:44px 0 16px;padding-left:16px;color:var(--ink-green);
}
.prose h2::before{content:"";position:absolute;left:0;top:.35em;width:4px;height:1.05em;border-radius:2px;background:var(--lime)}
.prose h3{font-size:19px;font-weight:600;line-height:1.45;margin:32px 0 12px;color:var(--ink-green)}
.prose h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin:6px 0}
.prose a{color:var(--ink-green);text-decoration:underline;text-underline-offset:3px;transition:color .16s ease-out}
.prose a:hover{color:var(--orange)}
.prose strong{font-weight:700}
.prose blockquote{
  margin:24px 0;padding:16px 20px;background:#F2F8E4;
  border-left:4px solid var(--lime);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-green-2);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-md);margin:24px 0}
.prose figure{margin:24px 0}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;line-height:1.6}
.prose th{background:var(--paper-2);font-weight:600;color:var(--ink-green)}
.prose pre{
  background:var(--dark);color:#E4F0DE;padding:16px 18px;border-radius:var(--r-md);
  overflow-x:auto;margin:24px 0;font-size:13.5px;line-height:1.7;
}
.prose code{font-family:var(--font-mono);font-size:.92em;background:rgba(11,58,46,.07);padding:2px 6px;border-radius:6px}
.prose pre code{background:none;padding:0;color:inherit}
.prose hr{border:0;border-top:1px solid var(--divider);margin:32px 0}

.empty-state{
  text-align:center;padding:56px 24px;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-lg);
}
.empty-state svg{width:48px;height:48px;stroke:var(--ink-green);margin:0 auto 16px}
.empty-state p{font-size:17px;font-weight:600;color:var(--ink-green);margin-bottom:8px}
.empty-state .empty-sub{font-size:14px;font-weight:400;color:var(--muted);margin-bottom:20px}

/* ---------- article footer bits ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:44px 0 0;padding-top:24px;border-top:1px solid var(--divider)}
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px}
.post-nav a{
  display:block;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.post-nav a:hover{transform:translateY(-2px);border-color:rgba(11,58,46,.3);box-shadow:var(--sh-2)}
.post-nav .label{font-size:12px;letter-spacing:.08em;color:var(--muted)}
.post-nav .title{font-size:16px;font-weight:600;color:var(--ink-green);margin-top:6px}
.post-nav .arrow{font-size:12px;color:var(--orange);margin-left:6px}

/* ---------- sidebar ---------- */
.side-sticky{position:sticky;top:92px;display:grid;gap:20px}
.widget{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px}
.widget-title{
  display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;letter-spacing:.04em;
  color:var(--ink-green);margin-bottom:12px;
}
.widget-title::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--lime)}
.widget-list{list-style:none;padding:0}
.widget-list a{
  display:flex;align-items:baseline;gap:10px;padding:10px 0;border-bottom:1px solid var(--divider);
  font-size:14px;transition:color .16s ease-out,padding-left .16s ease-out;
}
.widget-list li:last-child a{border-bottom:0}
.widget-list a:hover{color:var(--ink-green);padding-left:4px}
.rank-no{font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--orange);min-width:16px}
.widget-cta{background:var(--paper-2)}
.widget-cta p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-bottom:16px}

/* ---------- related ---------- */
.related{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0}
.section-label{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--ink-green-2);text-transform:uppercase}
.section-title{font-size:clamp(24px,3.2vw,32px);font-weight:700;line-height:1.3;margin:10px 0 10px;color:var(--text)}
.section-desc{font-size:15px;color:var(--muted);max-width:640px}
.section-head{margin-bottom:32px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.card:hover{transform:translateY(-2px);border-color:rgba(11,58,46,.3);box-shadow:var(--sh-2)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.4;margin:10px 0 8px;color:var(--text)}
.card-body p{font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:16px}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;font-size:12.5px;color:var(--muted)}
.card-link{color:var(--ink-green);font-weight:600}
.card-link:hover{color:var(--orange)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;background:var(--dark);color:var(--white-soft);overflow:hidden}
.cta-band::before,.cta-band::after{content:"";position:absolute;left:0;right:0;height:1px}
.cta-band::before{bottom:24px;background:rgba(200,241,75,.32)}
.cta-band::after{bottom:17px;background:rgba(200,241,75,.16)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:64px 0;box-shadow:var(--sh-cta)}
.cta-inner h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;color:#fff;margin-bottom:10px}
.cta-inner p{font-size:15px;line-height:1.8;color:rgba(242,246,239,.72);max-width:640px}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--white-soft);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-text{font-size:16px;font-weight:700;color:#fff}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(242,246,239,.68);max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--lime);margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col li,.footer-col a{font-size:13px;line-height:1.75;color:rgba(242,246,239,.68);transition:color .16s ease-out}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(242,246,239,.14);
  font-size:12.5px;color:rgba(242,246,239,.55);
}
.footer-bottom a{color:rgba(242,246,239,.7)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container,.container-narrow{padding:0 28px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-actions .btn{display:none}
  .article-main{grid-column:span 12}
  .article-side{grid-column:span 12}
  .side-sticky{position:static}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container,.container-narrow{padding:0 20px}
  .nav-wrap{height:60px}
  .brand-text{font-size:14px}
  .article-wrap{padding-top:32px;padding-bottom:64px}
  .prose{font-size:16px;line-height:1.85}
  .related{padding:56px 0}
  .related-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0}
  .cta-inner .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .prose table{display:block;overflow-x:auto;white-space:nowrap}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .article-head h1{font-size:26px}
  .btn{height:46px;padding:0 18px}
}

/* roulang page: category1 */
:root{
  --ink:#121A16;
  --ink-2:#5A6A61;
  --green:#0B3A2E;
  --green-2:#14513E;
  --lime:#C8F14B;
  --lime-dark:#B6E03C;
  --orange:#FF6A2B;
  --bg:#F7F8F4;
  --bg-alt:#EFF3EA;
  --dark:#0F1A16;
  --line:#E1E7DC;
  --line-2:#EAEEE4;
  --inverse:#F2F6EF;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(15,20,18,.05);
  --sh-2:0 10px 24px -14px rgba(15,20,18,.22);
  --sh-3:0 18px 40px -24px rgba(11,58,46,.45);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
*,*::before,*::after{box-sizing:border-box;}
body.site-body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
.site-body img{max-width:100%;display:block;}
.site-body a{color:inherit;text-decoration:none;}
.site-body button{font-family:inherit;font-size:inherit;}
.site-body h1,.site-body h2,.site-body h3,.site-body h4{margin:0;font-weight:700;color:var(--ink);}
.site-body p{margin:0;}
.site-body ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}
.section{padding:88px 0;}
.section--white{background:#fff;}
.section--alt{background:var(--bg-alt);}
.section-head{max-width:780px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25;letter-spacing:-.01em;margin:10px 0 12px;}
.section-sub{color:var(--ink-2);font-size:16px;line-height:1.85;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--green);}
.eyebrow::before{content:"";width:12px;height:12px;background:var(--lime);border-radius:3px;}
.eyebrow--dark{color:var(--lime);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid transparent;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:var(--green);display:grid;place-items:center;}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;color:var(--ink);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 2px;transition:color .16s ease-out;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--green);
  transform:scaleX(0);transform-origin:left;transition:transform .16s ease-out;
}
.nav-link:hover{color:var(--green-2);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--green);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);left:20%;right:20%;height:3px;background:var(--lime);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--green);position:relative;transition:background .18s ease-out;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green);transition:transform .18s ease-out,top .18s ease-out;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}
.nav-mask{position:fixed;inset:0;background:rgba(15,26,22,.6);opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;z-index:70;}
.nav-mask.show{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{background:var(--lime);color:var(--green);}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green);}
.btn-ghost:hover{background:var(--green);color:var(--inverse);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:transparent;border-color:rgba(242,246,239,.5);color:var(--inverse);}
.btn-light:hover{background:rgba(242,246,239,.12);border-color:var(--lime);color:var(--lime);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:18px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li::after{content:"/";color:#C4CFC0;}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a{color:var(--ink-2);transition:color .16s ease-out;}
.breadcrumb a:hover{color:var(--green);text-decoration:underline;text-underline-offset:3px;}

/* ============ Hero ============ */
.page-hero{background:#fff;padding:48px 0 72px;border-bottom:1px solid var(--line-2);}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.hero-copy{max-width:560px;}
.hero-copy h1{
  font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.01em;
  margin:14px 0 16px;
}
.hero-sub{font-size:17px;color:var(--ink-2);line-height:1.8;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-media{position:relative;}
.hero-media::before{
  content:"";position:absolute;right:-18px;bottom:-18px;width:150px;height:150px;
  background:var(--lime);border-radius:18px;transform:skew(-12deg);
}
.hero-media img{position:relative;z-index:1;width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-md);}
.score-chip{
  position:absolute;left:18px;bottom:18px;z-index:2;background:#fff;border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh-2);display:flex;gap:20px;
}
.score-cell{display:flex;flex-direction:column;}
.score-num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:22px;font-weight:700;color:var(--green);line-height:1.15;}
.score-label{font-size:11px;color:var(--ink-2);letter-spacing:.02em;}

/* ============ 数据带 ============ */
.stat-band{background:var(--dark);padding:52px 0;color:var(--inverse);}
.stat-head{margin-bottom:26px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:0 26px;border-left:1px solid rgba(242,246,239,.16);}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:clamp(28px,3.4vw,42px);font-weight:700;color:var(--lime);line-height:1.1;letter-spacing:-.02em;}
.stat-num small{font-size:.45em;margin-left:2px;font-weight:600;}
.stat-label{font-size:13px;color:rgba(242,246,239,.68);margin-top:8px;line-height:1.7;}

/* ============ 分组条目清单 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.entry-group{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 28px 10px;box-shadow:var(--sh-1);transition:border-color .18s ease-out;}
.entry-group:hover{border-color:rgba(11,58,46,.28);}
.group-index{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;font-weight:700;color:var(--orange);letter-spacing:.06em;}
.group-head h3{font-size:20px;font-weight:700;line-height:1.4;margin:6px 0 6px;}
.group-head p{font-size:13.5px;color:var(--ink-2);line-height:1.75;}
.entry-list{margin-top:16px;}
.entry-item{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-top:1px solid var(--line-2);}
.entry-icon{flex:0 0 34px;width:34px;height:34px;border-radius:var(--r-sm);background:var(--bg-alt);display:grid;place-items:center;color:var(--green);}
.entry-icon svg{width:18px;height:18px;}
.entry-item h4{font-size:15.5px;font-weight:600;line-height:1.5;margin-bottom:2px;}
.entry-item p{font-size:13.5px;color:var(--ink-2);line-height:1.7;}

/* ============ 卡片 ============ */
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.media-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.media-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(11,58,46,.3);}
.thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease-out;}
.media-card:hover .thumb img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(200,241,75,.18);color:var(--green);font-size:12px;font-weight:600;letter-spacing:.02em;
  align-self:flex-start;margin-bottom:12px;
}
.card-body h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.card-body p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:18px;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.meta{font-size:12.5px;color:var(--ink-2);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}
.text-link{color:var(--green);font-size:14px;font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color .16s ease-out;}
.text-link:hover{color:var(--orange);}

/* ============ 更新节奏时间线 ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:8px;}
.timeline::before,.timeline::after{content:"";position:absolute;left:0;right:0;height:1px;background:var(--line);}
.timeline::before{top:21px;}
.timeline::after{top:25px;}
.tl-item{position:relative;padding-top:52px;}
.tl-dot{position:absolute;top:14px;left:0;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--lime);box-shadow:0 0 0 4px #fff;z-index:1;}
.tl-time{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:15px;font-weight:700;color:var(--green);display:block;margin-bottom:6px;}
.tl-item h3{font-size:16.5px;font-weight:600;margin-bottom:6px;}
.tl-item p{font-size:13.5px;color:var(--ink-2);line-height:1.75;}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  min-height:62px;padding:14px 0;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .16s ease-out;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:-18px;top:50%;transform:translateY(-50%);
  width:4px;height:0;background:var(--lime);border-radius:2px;transition:height .18s ease-out;
}
.faq-item[open] summary::before{height:26px;}
.faq-item summary:hover{color:var(--green-2);}
.faq-icon{flex:0 0 18px;width:18px;height:18px;position:relative;margin-left:auto;transition:transform .18s ease-out;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--green);border-radius:1px;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{top:0;left:8px;width:2px;height:18px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-answer{padding:0 0 22px 22px;color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:840px;}

/* ============ CTA 带 ============ */
.cta-band{background:var(--dark);color:var(--inverse);position:relative;overflow:hidden;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:64px 0;position:relative;z-index:2;}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);color:var(--inverse);line-height:1.3;margin-bottom:10px;}
.cta-inner p{font-size:15px;color:rgba(242,246,239,.72);max-width:560px;line-height:1.8;}
.lane-line{position:absolute;right:-80px;width:420px;height:1px;background:rgba(200,241,75,.4);transform:rotate(-12deg);}
.lane-line.l1{top:34%;}
.lane-line.l2{top:48%;}

/* ============ 联系表单 ============ */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;}
.contact-form{display:grid;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1);}
.field{display:grid;gap:8px;}
.field label{font-size:13.5px;font-weight:600;color:var(--ink);}
.field input,.field textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--ink);font-size:15px;font-family:inherit;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.field textarea{height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#9AA79E;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(200,241,75,.55);
}
.form-note{font-size:12.5px;color:var(--ink-2);line-height:1.7;}
.contact-form .btn{justify-self:start;}
.info-list{display:grid;gap:20px;}
.info-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;transition:border-color .18s ease-out,transform .18s ease-out;}
.info-item:hover{border-color:rgba(11,58,46,.28);transform:translateY(-2px);}
.info-item h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.info-item p{font-size:14px;color:var(--ink-2);line-height:1.8;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(242,246,239,.7);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand-text{font-size:15px;font-weight:700;color:var(--inverse);}
.footer-desc{font-size:13px;line-height:1.9;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--lime);margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a,.footer-col li{font-size:13px;color:rgba(242,246,239,.7);line-height:1.8;}
.footer-col a{transition:color .16s ease-out;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(242,246,239,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:12.5px;color:rgba(242,246,239,.55);
}
.footer-bottom a{color:inherit;transition:color .16s ease-out;}
.footer-bottom a:hover{color:var(--lime);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .wrap{padding-left:28px;padding-right:28px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:288px;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:88px 24px 24px;
    transform:translateX(100%);transition:transform .24s ease-out;z-index:80;
    box-shadow:-14px 0 34px -22px rgba(15,20,18,.4);overflow-y:auto;
  }
  .nav-links.open{transform:none;}
  .nav-link{height:52px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--line-2);padding:0 12px;border-radius:8px;}
  .nav-link::after{display:none;}
  .nav-link.active{background:var(--bg-alt);color:var(--green);}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-copy{max-width:none;}
  .entry-grid{grid-template-columns:1fr;}
  .card-grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:56px 0;}
}
@media (max-width:767px){
  .wrap{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .nav-actions .btn{display:none;}
  .stat-band{padding:40px 0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .stat{padding:0 18px;}
  .stat:nth-child(odd){border-left:0;padding-left:0;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:32px 20px;}
  .timeline::before,.timeline::after{display:none;}
  .tl-item{padding-top:40px;}
  .card-grid-3{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .score-chip{gap:14px;padding:10px 14px;}
  .score-num{font-size:19px;}
}
@media (max-width:519px){
  .brand-text{font-size:13px;}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;}
  .hero-cta .btn{width:100%;}
  .faq-item summary{font-size:15.5px;}
  .faq-item summary::before{left:-10px;}
  .faq-answer{padding-left:14px;}
  .contact-form{padding:22px;}
}

/* roulang page: category2 */
:root{
  --green:#0B3A2E;
  --green-2:#14513E;
  --lime:#C8F14B;
  --lime-hover:#B6E03C;
  --orange:#FF6A2B;
  --bg:#F7F8F4;
  --white:#FFFFFF;
  --alt:#EFF3EA;
  --dark:#0F1A16;
  --text:#121A16;
  --muted:#5A6A61;
  --inverse:#F2F6EF;
  --border:#E1E7DC;
  --divider:#EAEEE4;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(15,20,18,.05);
  --sh-2:0 10px 24px -14px rgba(15,20,18,.22);
  --sh-3:0 18px 40px -24px rgba(11,58,46,.45);
  --section:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--section) 0}
.section-alt{background:var(--alt)}
.section-white{background:var(--white)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,248,244,.94);
  border-bottom:1px solid transparent;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--green);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:16px;font-weight:700;color:var(--green);letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:6px 2px;transition:color .16s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;
  transition:transform .16s ease-out;
}
.nav-link:hover{color:var(--green)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--green);font-weight:600}
.nav-link.active::after{
  left:20%;right:20%;height:3px;background:var(--lime);transform:scaleX(1);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);
  border-radius:var(--r-sm);background:var(--white);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--green);position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--green)}
.btn-primary:hover{background:var(--lime-hover);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green)}
.btn-ghost:hover{background:var(--green);color:var(--inverse)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 16px;font-size:15px;border-radius:var(--r-sm)}
.btn-light{border-color:rgba(242,246,239,.5);color:var(--inverse)}
.btn-light:hover{background:var(--inverse);color:var(--dark)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- tags / chips ---------- */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:rgba(200,241,75,.18);
  color:var(--green);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag-orange{background:rgba(255,106,43,.12);color:#B8451A}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--green-2);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:12px;height:12px;background:var(--lime);border-radius:3px}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#C2CBC0}
.crumb a{color:var(--muted);transition:color .16s ease-out}
.crumb a:hover{color:var(--green)}
.crumb .current{color:var(--green);font-weight:600}

/* ---------- hero (compact) ---------- */
.hero-grid{
  display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;
  padding:44px 0 64px;
}
.hero-copy{max-width:560px}
.hero-copy h1{
  font-size:clamp(30px,5vw,46px);font-weight:800;line-height:1.15;
  letter-spacing:-.01em;color:var(--green);margin:16px 0 18px;
}
.hero-copy p.lead{font-size:17px;line-height:1.8;color:var(--muted);margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-md);
  box-shadow:var(--sh-2);
}
.hero-slash{
  position:absolute;right:-14px;bottom:-14px;width:120px;height:120px;
  background:var(--lime);transform:skewX(-12deg);border-radius:8px;z-index:-1;
  opacity:.85;
}
.score-board{
  position:absolute;left:20px;bottom:20px;background:var(--white);
  border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--sh-2);
  border:1px solid var(--border);min-width:184px;
}
.score-board .score-line{
  display:flex;align-items:baseline;gap:10px;font-family:var(--mono);
  font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--green);
  line-height:1.2;
}
.score-board .score-line em{font-style:normal;font-size:14px;color:var(--muted);font-weight:500}
.score-board .score-cap{font-size:12px;color:var(--muted);margin-top:4px;letter-spacing:.02em}

/* ---------- section head ---------- */
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{
  font-size:clamp(24px,3.2vw,36px);font-weight:700;line-height:1.25;
  color:var(--green);margin:14px 0 12px;letter-spacing:-.01em;
}
.section-head p{font-size:16px;color:var(--muted);line-height:1.8}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}

/* ---------- filter row ---------- */
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;padding:18px 0 30px;
  border-bottom:1px solid var(--divider);
}
.filter-tag{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;border:1px solid var(--border);background:var(--white);
  font-size:14px;font-weight:600;color:var(--muted);transition:all .18s ease-out;
}
.filter-tag.is-active{background:var(--green);border-color:var(--green);color:var(--inverse)}
.filter-tag:hover:not(.is-active){border-color:rgba(11,58,46,.35);color:var(--green)}

/* ---------- data card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px}
.data-card{
  display:flex;flex-direction:column;background:var(--white);
  border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.data-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(11,58,46,.3)}
.data-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--alt)}
.data-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease-out}
.data-card:hover .thumb img{transform:scale(1.03)}
.data-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.data-card h3{font-size:19px;font-weight:600;line-height:1.4;color:var(--green)}
.data-card p{font-size:14.5px;line-height:1.75;color:var(--muted)}
.data-card .card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--divider);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.card-link{color:var(--green);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.card-link:hover{color:var(--orange)}
.card-link::after{content:"→";transition:transform .18s ease-out}
.card-link:hover::after{transform:translateX(3px)}

/* ---------- dark metrics ---------- */
.dark-band{background:var(--dark);color:var(--inverse);padding:72px 0}
.dark-band .band-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:44px}
.dark-band .eyebrow{color:var(--lime)}
.dark-band h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;color:var(--inverse);line-height:1.25;margin-top:14px}
.dark-band .band-head p{max-width:480px;font-size:15px;color:rgba(242,246,239,.68);line-height:1.8}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{
  padding:8px 26px;border-left:1px solid rgba(242,246,239,.14);
}
.metric:first-child{border-left:0;padding-left:0}
.metric .num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:clamp(30px,4vw,46px);font-weight:700;color:var(--lime);line-height:1.1;
}
.metric .num small{font-size:15px;font-weight:600;color:rgba(242,246,239,.72);margin-left:6px;letter-spacing:0}
.metric .cap{font-size:13.5px;color:rgba(242,246,239,.62);margin-top:10px;line-height:1.7}

/* ---------- spec split ---------- */
.split{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center}
.split .visual{position:relative}
.split .visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md)}
.split .visual .dot-field{
  position:absolute;left:-18px;top:-18px;width:96px;height:96px;border-radius:10px;
  background-image:radial-gradient(rgba(11,58,46,.32) 1.4px,transparent 1.4px);
  background-size:12px 12px;z-index:-1;
}
.split h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;line-height:1.25;color:var(--green);margin:14px 0 14px}
.split p.desc{font-size:16px;color:var(--muted);line-height:1.8;margin-bottom:22px}
.check-list li{
  display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--divider);
  font-size:15.5px;color:var(--text);
}
.check-list li:last-child{border-bottom:1px solid var(--divider)}
.check-list .idx{
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--green);
  background:rgba(200,241,75,.24);border-radius:6px;padding:2px 8px;height:24px;line-height:20px;
  flex-shrink:0;margin-top:4px;
}
.check-list b{display:block;font-weight:600;color:var(--green);font-size:16px;margin-bottom:2px}
.check-list span{color:var(--muted);font-size:14.5px;line-height:1.7}

/* ---------- number strip ---------- */
.strip-list{margin-top:34px;border-top:1px solid var(--divider)}
.strip-item{
  display:grid;grid-template-columns:96px 1fr auto;gap:24px;align-items:center;
  padding:26px 4px;border-bottom:1px solid var(--divider);
  transition:background-color .18s ease-out,padding-left .18s ease-out;
}
.strip-item:hover{background:rgba(200,241,75,.09);padding-left:14px}
.strip-item .no{
  font-family:var(--mono);font-size:22px;font-weight:700;color:var(--orange);letter-spacing:.02em;
}
.strip-item h3{font-size:19px;font-weight:600;color:var(--green);margin-bottom:6px}
.strip-item p{font-size:14.5px;color:var(--muted);line-height:1.75;max-width:620px}
.strip-item .side{font-size:13px;color:var(--muted);font-weight:600;white-space:nowrap}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--dark);color:var(--inverse);border-radius:var(--r-lg);
  padding:52px 56px;display:flex;flex-wrap:wrap;gap:28px;align-items:center;
  justify-content:space-between;position:relative;overflow:hidden;box-shadow:var(--sh-3);
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:6px;
  background-image:linear-gradient(90deg,var(--lime) 0 46%,transparent 46% 54%,var(--lime) 54% 100%);
  opacity:.5;
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.3;color:var(--inverse);margin-bottom:10px}
.cta-band p{font-size:15px;color:rgba(242,246,239,.72);max-width:520px;line-height:1.8}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--inverse);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(242,246,239,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-text{font-size:16px;font-weight:700;color:var(--inverse)}
.footer-desc{font-size:13.5px;color:rgba(242,246,239,.66);line-height:1.85;max-width:360px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--lime);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{font-size:13.5px;color:rgba(242,246,239,.7);line-height:1.7;margin-bottom:10px}
.footer-col ul li a{color:rgba(242,246,239,.7);transition:color .16s ease-out}
.footer-col ul li a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;font-size:12.5px;color:rgba(242,246,239,.55);
}
.footer-bottom a{color:rgba(242,246,239,.72)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,26,22,.6);opacity:0;visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s ease-out;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

@media (max-width:1023px){
  :root{--section:72px}
  .container{padding:0 24px}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:290px;background:var(--white);
    flex-direction:column;align-items:stretch;gap:0;padding:78px 20px 24px;
    transform:translateX(100%);transition:transform .24s ease-out;z-index:80;
    box-shadow:-16px 0 40px -24px rgba(15,20,18,.4);
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-link{
    height:52px;display:flex;align-items:center;font-size:16px;
    border-bottom:1px solid var(--divider);padding:0 4px;
  }
  .nav-link::after{display:none}
  .nav-link.active{color:var(--green)}
  .nav-link.active::before{content:"";width:4px;height:20px;background:var(--lime);border-radius:2px;margin-right:10px}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:32px 0 56px}
  .hero-visual{order:2}
  .hero-slash{display:none}
  .split{grid-template-columns:1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .metric-row{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .metric{border-left:1px solid rgba(242,246,239,.14)}
  .metric:nth-child(3){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:40px 32px}
}
@media (max-width:767px){
  :root{--section:56px}
  .container{padding:0 20px}
  .brand-text{font-size:14px}
  .hero-grid{padding:24px 0 44px}
  .hero-copy h1{font-size:clamp(28px,8vw,36px)}
  .card-grid{grid-template-columns:1fr}
  .strip-item{grid-template-columns:64px 1fr;gap:16px}
  .strip-item .side{display:none}
  .cta-band{padding:32px 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .filter-row{padding-bottom:22px}
}
@media (max-width:520px){
  .metric-row{grid-template-columns:1fr;gap:26px}
  .metric{border-left:0;padding-left:0;padding-right:0}
  .hero-cta .btn{width:100%}
  .score-board{left:12px;bottom:12px;min-width:160px;padding:12px 14px}
}

/* roulang page: category3 */
:root{
  --green-900:#0B3A2E;
  --green-700:#14513E;
  --lime:#C8F14B;
  --lime-dark:#B6E03C;
  --orange:#FF6A2B;
  --sand:#F7F8F4;
  --white:#FFFFFF;
  --mist:#EFF3EA;
  --ink:#121A16;
  --ink-2:#5A6A61;
  --dark:#0F1A16;
  --fog:#F2F6EF;
  --line:#E1E7DC;
  --split:#EAEEE4;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(15,20,18,.05);
  --sh-2:0 10px 24px -14px rgba(15,20,18,.22);
  --sh-3:0 18px 40px -24px rgba(11,58,46,.45);
  --sec:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;
  color:var(--ink);background:var(--sand);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,dl,dd,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--green-900)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec) 0}
.section--white{background:var(--white)}
.section--mist{background:var(--mist)}
.section--tight{padding:64px 0}

/* ===== 排版层级 ===== */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--green-700);margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);border-radius:2px}
h1{font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.01em;color:var(--green-900)}
h2{font-size:clamp(24px,3.2vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--green-900)}
h3{font-size:19px;font-weight:600;line-height:1.4;color:var(--ink)}
.h2-mark{display:inline-block;width:10px;height:26px;border-radius:3px;background:var(--lime);margin-right:12px;vertical-align:-3px}
.section-head{max-width:720px;margin-bottom:32px}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.85}
.lead{font-size:17px;color:var(--ink-2);line-height:1.85}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;letter-spacing:.01em;
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--green-900);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{border:1.5px solid var(--green-900);color:var(--green-900);background:transparent}
.btn-outline:hover{background:var(--green-900);color:var(--fog)}
.btn-outline:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--green-900);border-bottom:1px solid rgba(11,58,46,.28);padding-bottom:2px}
.link-arrow:hover{color:var(--orange);border-color:var(--orange)}

/* ===== 标签 ===== */
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:rgba(200,241,75,.18);color:var(--green-900);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.tag--orange{background:rgba(255,106,43,.12);color:#B8440F}
.tag--plain{background:var(--mist);color:var(--green-700)}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:50;background:var(--white);
  transition:box-shadow .18s ease-out,border-color .18s ease-out;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px -14px rgba(15,20,18,.4)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--green-900);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:17px;font-weight:700;color:var(--green-900);letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:10px 0;
  font-size:15px;font-weight:500;color:#3C4B43;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;height:3px;width:0;
  background:var(--lime);border-radius:2px;transform:translateX(-50%);
  transition:width .16s ease-out;
}
.nav-link:hover{color:var(--green-900)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--green-900);font-weight:600}
.nav-link.active::after{width:60%}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);align-items:center;justify-content:center;
  transition:border-color .18s ease-out,background-color .18s ease-out;
}
.nav-toggle:hover{border-color:rgba(11,58,46,.35);background:var(--mist)}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--green-900);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green-900);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-mask{position:fixed;inset:0;background:rgba(15,26,22,.6);opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;z-index:55}

/* ===== 面包屑 ===== */
.crumbs{padding:22px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--line)}
.crumbs a{color:var(--ink-2);border-bottom:1px solid transparent}
.crumbs a:hover{color:var(--green-900);border-bottom-color:var(--green-900)}
.crumbs [aria-current="page"]{color:var(--green-900);font-weight:600}

/* ===== Hero ===== */
.hero{padding:36px 0 72px}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.hero-copy{max-width:560px}
.hero h1{margin-bottom:16px}
.hero-sub{font-size:17px;font-weight:600;color:var(--green-700);margin-bottom:14px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stat{padding-right:26px;margin-right:26px;border-right:1px solid var(--line)}
.hero-stat:last-child{border-right:0;margin-right:0;padding-right:0}
.stat-num{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--green-900);line-height:1.25;letter-spacing:-.02em}
.stat-label{font-size:12px;color:var(--ink-2);margin-top:2px}
.hero-media{position:relative}
.hero-media::before{
  content:"";position:absolute;right:-18px;top:-18px;width:132px;height:132px;
  background:var(--lime);opacity:.9;border-radius:14px;transform:rotate(12deg);z-index:0;
}
.hero-media-frame{
  position:relative;z-index:1;border-radius:var(--r-md);overflow:hidden;
  aspect-ratio:16/11;background:var(--mist);box-shadow:var(--sh-2);
}
.hero-media-frame img{width:100%;height:100%;object-fit:cover}

/* ===== 流程 ===== */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 24px 24px;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(11,58,46,.32)}
.step-num{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--green-900);letter-spacing:-.02em;line-height:1.2}
.step-num::after{content:"";display:block;width:36px;height:3px;border-radius:2px;background:var(--lime);margin:10px 0 16px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.8}
.flow-note{
  margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--ink-2);
}
.flow-note .dot-line{flex:1;min-width:60px;height:0;border-top:1px dashed var(--line)}

/* ===== 通道对比 ===== */
.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.plan{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.plan:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(11,58,46,.32)}
.plan h3{margin:14px 0 6px;font-size:22px}
.plan .plan-for{font-size:14px;color:var(--ink-2);margin-bottom:20px}
.plan-list{display:flex;flex-direction:column}
.plan-list > div{
  display:flex;justify-content:space-between;gap:16px;
  padding:13px 0;border-top:1px solid var(--split);font-size:14px;
}
.plan-list dt{color:var(--ink-2);flex-shrink:0}
.plan-list dd{text-align:right;font-weight:600;color:var(--ink)}
.plan-foot{margin-top:22px}
.plan--featured{
  background:var(--green-900);border-color:var(--green-900);color:var(--fog);
}
.plan--featured h3{color:var(--fog)}
.plan--featured .plan-for{color:rgba(242,246,239,.72)}
.plan--featured .plan-list > div{border-top-color:rgba(242,246,239,.16)}
.plan--featured .plan-list dt{color:rgba(242,246,239,.7)}
.plan--featured .plan-list dd{color:var(--fog)}
.plan--featured .link-arrow{color:var(--lime);border-color:rgba(200,241,75,.45)}
.plan--featured .link-arrow:hover{color:var(--fog);border-color:var(--fog)}

/* ===== 服务网格 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.srv-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.srv-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(11,58,46,.32)}
.srv-icon{
  width:36px;height:36px;border-radius:var(--r-sm);
  border:1.5px solid rgba(11,58,46,.28);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--green-900);
}
.srv-icon svg{width:19px;height:19px}
.srv-card p{font-size:14px;color:var(--ink-2);line-height:1.8}
.srv-card .srv-meta{font-size:12px;color:var(--green-700);background:var(--mist);border-radius:8px;padding:6px 10px;display:inline-block}
.srv-card .link-arrow{margin-top:auto}

/* ===== FAQ ===== */
.faq-list{max-width:900px}
.faq-item{position:relative;border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:24px;width:4px;height:20px;
  background:var(--lime);border-radius:2px;
}
.faq-q{
  display:flex;align-items:center;gap:14px;min-height:64px;
  padding:18px 0 18px 22px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--green-900)}
.faq-num{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--green-700);background:var(--mist);border-radius:999px;padding:3px 10px;flex-shrink:0}
.faq-icon{
  margin-left:auto;flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;color:var(--green-900);
  transition:transform .18s ease-out,background-color .18s ease-out,border-color .18s ease-out;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime)}
.faq-a{padding:0 0 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:820px}

/* ===== CTA 带 ===== */
.cta-band{position:relative;background:var(--dark);color:var(--fog);overflow:hidden;padding:64px 0}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;bottom:26px;height:2px;
  background:linear-gradient(90deg,var(--lime) 0 18%,transparent 18% 24%,rgba(200,241,75,.4) 24% 62%,transparent 62%);
  opacity:.6;
}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{color:var(--fog);max-width:640px}
.cta-inner p{margin-top:12px;color:rgba(242,246,239,.72);font-size:15px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-ghost{border:1.5px solid rgba(242,246,239,.55);color:var(--fog)}
.btn-ghost:hover{background:var(--fog);color:var(--dark)}
.cta-band .btn-primary{box-shadow:var(--sh-3)}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:var(--fog);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-text{font-size:17px;font-weight:700;color:var(--fog)}
.footer-desc{font-size:13px;line-height:1.85;color:rgba(242,246,239,.68);max-width:330px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--lime);margin-bottom:16px}
.footer-col li{font-size:13px;line-height:1.7;color:rgba(242,246,239,.7);margin-bottom:10px}
.footer-col a{color:rgba(242,246,239,.7)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(242,246,239,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12px;color:rgba(242,246,239,.55);
}
.footer-bottom a{color:var(--lime)}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  :root{--sec:72px}
  .container{padding:0 24px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;top:0;right:0;z-index:60;
    width:min(320px,84vw);height:100%;
    background:var(--white);
    flex-direction:column;align-items:stretch;gap:0;
    margin-left:0;padding:88px 24px 24px;
    transform:translateX(102%);
    transition:transform .22s ease-out;
    box-shadow:-12px 0 32px -22px rgba(15,20,18,.5);
    overflow-y:auto;
  }
  .nav-links .nav-link{
    display:flex;align-items:center;min-height:52px;width:100%;
    font-size:16px;border-bottom:1px solid var(--split);padding:0;
  }
  .nav-links .nav-link::after{display:none}
  .nav-links .nav-link.active{color:var(--green-900);font-weight:700}
  .nav-links .nav-link.active::before{
    content:"";width:4px;height:18px;background:var(--lime);border-radius:2px;margin-right:10px;
  }
  body.nav-open .nav-links{transform:translateX(0)}
  body.nav-open .nav-mask{opacity:1;visibility:visible}
  body.nav-open{overflow:hidden}
  .brand-text{font-size:15px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-copy{max-width:100%}
  .hero-media{order:2}
  .hero-media::before{width:96px;height:96px;right:-10px;top:-10px}
  .flow{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 20px}
  .nav-wrap{height:60px;gap:14px}
  .site-header .nav-actions .btn{display:none}
  .hero{padding:26px 0 52px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:18px;border-top:1px solid var(--line)}
  .hero-stat{padding:0;margin:0;border-right:0}
  .compare{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .plan-list > div{flex-direction:column;gap:2px}
  .plan-list dd{text-align:left}
  .faq-q{font-size:16px;gap:10px;padding-left:16px}
  .faq-a{padding-left:16px}
  .faq-item[open]::before{left:0}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .flow{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  .brand-text{font-size:14px}
  .h2-mark{height:20px;width:8px;margin-right:9px}
}